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Proper map extent for GetFeatureInfo request

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Note that with and without this change, the pixel provided to the ol.source.wms.getFeatureInfo function will be wrong if the view has non-zero rotation.
This commit is contained in:
Tim Schaub
2013-10-29 09:41:33 -06:00
parent 9ada23a08a
commit 1af11e27ac
1 changed files with 5 additions and 7 deletions
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src/ol/source/imagewmssource.js
+5 -7
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@@ -104,13 +104,11 @@ ol.source.ImageWMS.prototype.getImage =
*/ */
ol.source.ImageWMS.prototype.getFeatureInfoForPixel = ol.source.ImageWMS.prototype.getFeatureInfoForPixel =
function(pixel, map, success, opt_error) { function(pixel, map, success, opt_error) {
var view2D = map.getView().getView2D(), var view = map.getView().getView2D();
projection = view2D.getProjection(), var size = map.getSize();
size = map.getSize(), goog.asserts.assert(goog.isDefAndNotNull(size));
bottomLeft = map.getCoordinateFromPixel([0, size[1]]), var extent = view.calculateExtent(size);
topRight = map.getCoordinateFromPixel([size[0], 0]), var url = this.imageUrlFunction(extent, size, view.getProjection());
extent = [bottomLeft[0], topRight[0], bottomLeft[1], topRight[1]],
url = this.imageUrlFunction(extent, size, projection);
goog.asserts.assert(goog.isDef(url), goog.asserts.assert(goog.isDef(url),
'ol.source.ImageWMS#imageUrlFunction does not return a URL'); 'ol.source.ImageWMS#imageUrlFunction does not return a URL');
ol.source.wms.getFeatureInfo(url, pixel, this.getFeatureInfoOptions_, success, ol.source.wms.getFeatureInfo(url, pixel, this.getFeatureInfoOptions_, success,