handle no npoints arg

PatchesMaps · Jan 24, 2014 · 247519e · 247519e
1 parent 49c6e8f
commit 247519e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arc.js b/arc.js
@@ -123,7 +123,7 @@ GreatCircle.prototype.Arc = function(npoints,options) {
     var first_pass = [];
     //var minx = 0;
     //var maxx = 0;
-    if (npoints <= 2) {
+    if (!npoints || npoints <= 2) {
         first_pass.push([this.start.lon, this.start.lat]);
         first_pass.push([this.end.lon, this.end.lat]);
     } else {