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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>OSM Community Index</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no'/>
<script src='https://cdn.jsdelivr.net/npm/[email protected]/dist/mapbox-gl.min.js'></script>
<link href='https://cdn.jsdelivr.net/npm/[email protected]/dist/mapbox-gl.min.css' rel='stylesheet'/>
<style>
body { margin: 0; padding: 0; }
h2 { margin: 10px; font-size: 1.2em; }
a { text-decoration: none; }
a:visited, a { color: #67e; font-weight: bold; }
a:hover { color: #56a; }
.resource {
margin: 10px;
font-size: 1em;
display: flex;
flex-flow: row nowrap;
align-items: center;
}
.resource .icon {
width: 24px;
}
.resource .label {
margin-left: 8px;
}
.map-overlay {
position: absolute;
top: 0;
right: 0;
background: rgba(255, 255, 255, 0.8);
margin-right: 20px;
font-family: Arial, sans-serif;
overflow: auto;
border-radius: 3px;
}
#map {
position:absolute;
top: 0;
bottom: 0;
width: 100%;
}
#features {
top: 0;
margin-top: 20px;
width: 350px;
}
</style>
</head>
<body>
<script>var $buoop={required:{i:15,e:-4,f:-3,o:-3,s:-1,c:-3},reminder:0,noclose:true,no_permanent_hide:true,insecure:true,api:2021.06};</script>
<script src='https://browser-update.org/update.js'></script>
<div id='map'></div>
<div class='map-overlay' id='features'><h2>OSM Communities</h2><div id='resultPane'></div></div>
<script>
mapboxgl.accessToken = 'pk.eyJ1IjoiYmhvdXNlbCIsImEiOiJjbGZ1NG5qbTgwMzJyM3JydmJoY3ZvdDZzIn0.45qwn8YXGm4QofNsZryK4g';
var cdnBase = 'https://cdn.jsdelivr.net/gh/osmlab/osm-community-index@main/dist/';
// create map
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/light-v11',
projection: 'mercator',
center: [0,0],
zoom: 1
});
var previous = '';
var flying = false;
// wait for map to load before adjusting it
map.on('load', function() {
var dataURL = cdnBase + 'completeFeatureCollection.min.json';
map.addSource('osm-community-index', { type: 'geojson', data: dataURL });
map.addLayer({
'id': 'osm-community-index',
'type': 'fill',
'source': 'osm-community-index',
'paint': { 'fill-color': 'hsla(243, 93%, 64%, 0.24)', 'fill-opacity': 1 }
});
// make a pointer cursor
map.getCanvas().style.cursor = 'default';
// change info window on click
map.on('click', function(e) {
serveClick(e.point, e.lngLat);
});
if (getParameterByName("map") != "" && getParameterByName("map") !== null) {
var iZoom = 7;
if (getParameterByName("zoom") != "" && getParameterByName("zoom") !== null) {
iZoom = parseInt(getParameterByName("zoom"));
if (isNaN(iZoom)) { iZoom = 7; }
}
var coords = getParameterByName("map").split(/\,/);
flying = true;
map.flyTo({center: [coords[1], coords[0]], zoom: iZoom, essential: true});
}
});
map.on('moveend', function(e) {
if (flying) {
flying = false;
map.fire('flyend');
}
});
map.on('flyend', function(e) {
serveClick(new mapboxgl.Point(document.getElementById('map').offsetWidth / 2, document.getElementById('map').offsetHeight / 2), map.getCenter());
});
function serveClick(ePoint, eLatLng) {
var hits = map.queryRenderedFeatures(ePoint, { layers: ['osm-community-index'] });
var seen = {}; // to ignore duplicate results from queryRenderedFeatures - #360
var communities = [];
// gather the communities from the result
hits.forEach(function(hit) {
var props = hit.properties || {};
var resources = {};
try {
resources = JSON.parse(props.resources || '{}');
} catch (e) { }
for (var k in resources) {
if (seen[k]) continue;
seen[k] = true;
var community = resources[k];
communities.push({
'area': props.area || Infinity,
'order': community.order || 0,
'community': community
});
}
});
// sort by feature area ascending, community order descending
communities.sort(function(a, b) {
return a.area - b.area || b.order - a.order;
});
// display
var inner = '';
communities.forEach(function(c) {
var community = c.community;
var iconURL = cdnBase + 'img/' + community.type + '.svg';
var url = community.url || community.resolved.url;
var name = community.name || community.resolved.name;
var properName = name.charAt(0).toUpperCase() + name.slice(1); // capitalize
inner += '<div class="resource">'
+ '<img class="icon" src="' + iconURL + '"/>'
+ '<a class="label" target="_blank" href="' + url + '">' + properName + '</a>'
+ '</div>';
});
// show permalink
var lat = eLatLng.lat.toFixed(5);
var lng = eLatLng.lng.toFixed(5);
var zoom = map.getZoom().toFixed(2);
var iconURL = cdnBase + 'img/url.svg';
inner += '<hr style="border:1px solid #67e;color:#67e"/><div class="resource"><img class="icon" src="' + iconURL + '"/><a class="label" target="_blank" href="?map=' + lat + ',' + lng + '&zoom=' + zoom + '">Permalink to this position</a></div>';
if (inner !== previous) {
previous = inner;
document.getElementById('resultPane').innerHTML = inner;
}
}
function getParameterByName(name) {
name = name.replace(/[\[\]]/g, '\\$&');
var url = window.location.href;
var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)');
var results = regex.exec(url);
if (!results) return null;
if (!results[2]) return '';
return decodeURIComponent(results[2].replace(/\+/g, ' '));
}
</script>
<a href="https://github.com/osmlab/osm-community-index" class="github-corner" aria-label="View source on GitHub"><svg width="80" height="80" viewBox="0 0 250 250" style="fill:#151513; color:#fff; position: absolute; top: 0; border: 0; left: 0; transform: scale(-1, 1);" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg><style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style></a>
</body>
</html>