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Avoid pixel->coord->pixel conversion

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This commit is contained in:
tsauerwein
2015-01-29 11:33:57 +01:00
parent 054227fd26
commit 4d4bed454a
10 changed files with 27 additions and 25 deletions
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7
src/ol/renderer/webgl/webgltilelayerrenderer.js
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@@ -333,16 +333,15 @@ ol.renderer.webgl.TileLayer.prototype.prepareFrame =
* @inheritDoc
*/
ol.renderer.webgl.TileLayer.prototype.forEachLayerAtPixel =
function(coordinate, frameState, callback, thisArg) {
function(pixel, frameState, callback, thisArg) {
if (goog.isNull(this.framebuffer)) {
return undefined;
}
var mapSize = this.getMap().getSize();
var pixelOnMap = this.getMap().getPixelFromCoordinate(coordinate);
var pixelOnMapScaled = [
pixelOnMap[0] / mapSize[0],
(mapSize[1] - pixelOnMap[1]) / mapSize[1]];
pixel[0] / mapSize[0],
(mapSize[1] - pixel[1]) / mapSize[1]];
var pixelOnFrameBufferScaled = [0, 0];
ol.vec.Mat4.multVec2(