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Merge pull request #6863 from cs09g/cs09g-patch-1

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change size to optional
This commit is contained in:
Andreas Hocevar
2017-05-31 13:37:52 +02:00
committed by GitHub
parent 8b6a29decf 5475841ca0
commit b8b2712f73
1 changed files with 4 additions and 2 deletions
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src/ol/view.js
+4 -2
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@@ -662,11 +662,13 @@ ol.View.prototype.getResolutions = function() {
/** /**
* Get the resolution for a provided extent (in map units) and size (in pixels). * Get the resolution for a provided extent (in map units) and size (in pixels).
* @param {ol.Extent} extent Extent. * @param {ol.Extent} extent Extent.
* @param {ol.Size} size Box pixel size. * @param {ol.Size=} opt_size Box pixel size.
* @return {number} The resolution at which the provided extent will render at * @return {number} The resolution at which the provided extent will render at
* the given size. * the given size.
* @api
*/ */
ol.View.prototype.getResolutionForExtent = function(extent, size) { ol.View.prototype.getResolutionForExtent = function(extent, opt_size) {
var size = opt_size || this.getSizeFromViewport_();
var xResolution = ol.extent.getWidth(extent) / size[0]; var xResolution = ol.extent.getWidth(extent) / size[0];
var yResolution = ol.extent.getHeight(extent) / size[1]; var yResolution = ol.extent.getHeight(extent) / size[1];
return Math.max(xResolution, yResolution); return Math.max(xResolution, yResolution);