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Work around precision issues in circle radius, fixes #2425

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This commit is contained in:
Iván Sánchez Ortega 2016-01-08 14:45:34 +01:00
parent 88fa86a692
commit 228d357239
1 changed files with 4 additions and 0 deletions
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src/layer/vector/Circle.js
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@ -47,6 +47,10 @@ L.Circle = L.CircleMarker.extend({
lngR = Math.acos((Math.cos(latR * d) - Math.sin(lat * d) * Math.sin(lat2 * d)) /
(Math.cos(lat * d) * Math.cos(lat2 * d))) / d;
if (isNaN(lngR) || lngR === 0) {
lngR = latR / Math.cos(Math.PI / 180 * lat); // Fallback for edge case, #2425
}
this._point = p.subtract(map.getPixelOrigin());
this._radius = isNaN(lngR) ? 0 : Math.max(Math.round(p.x - map.project([lat2, lng - lngR]).x), 1);
this._radiusY = Math.max(Math.round(p.y - top.y), 1);