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Add ol.Extent.boundingExtent

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This commit is contained in:
Tom Payne
2012-07-19 00:28:08 +02:00
parent 4e347dcf45
commit 3ff84dce9b
1 changed files with 20 additions and 0 deletions
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20
src/ol/extent.js
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@@ -19,6 +19,26 @@ ol.Extent = function(minX, minY, maxX, maxY) {
goog.inherits(ol.Extent, ol.Rectangle);
/**
* @param {...goog.math.Coordinate} var_args Coordinates.
* @return {!ol.Extent} Boundin extent.
*/
ol.Extent.boundingExtent = function(var_args) {
var coordinate0 = arguments[0];
var extent = new ol.Extent(coordinate0.x, coordinate0.y,
coordinate0.x, coordinate0.y);
var i;
for (i = 1; i < arguments.length; ++i) {
var coordinate = arguments[i];
extent.minX = Math.min(extent.minX, coordinate.x);
extent.minY = Math.min(extent.minY, coordinate.y);
extent.maxX = Math.max(extent.maxX, coordinate.x);
extent.maxY = Math.max(extent.maxY, coordinate.y);
}
return extent;
};
/**
* @return {ol.Extent} Extent.
*/