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Add ol.extent.getEnlargedArea

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Tom Payne
2013-11-24 14:15:07 +01:00
parent 0294691446
commit 61afebb1ec
1 changed files with 14 additions and 0 deletions
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src/ol/extent.js
+14
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@@ -355,6 +355,20 @@ ol.extent.getCenter = function(extent) {
}; };
/**
* @param {ol.Extent} extent1 Extent 1.
* @param {ol.Extent} extent2 Extent 2.
* @return {number} Enlarged area.
*/
ol.extent.getEnlargedArea = function(extent1, extent2) {
var minX = Math.min(extent1[0], extent2[0]);
var minY = Math.min(extent1[1], extent2[1]);
var maxX = Math.max(extent1[2], extent2[2]);
var maxY = Math.max(extent1[3], extent2[3]);
return (maxX - minX) * (maxY - minY);
};
/** /**
* @param {ol.Coordinate} center Center. * @param {ol.Coordinate} center Center.
* @param {number} resolution Resolution. * @param {number} resolution Resolution.