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Avoid pixel->coord->pixel conversion

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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/canvas/canvaslayerrenderer.js
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@@ -217,15 +217,14 @@ ol.renderer.canvas.Layer.prototype.prepareFrame = goog.abstractMethod;
/**
* @param {ol.Coordinate} coordinate Coordinate.
* @param {ol.Pixel} pixelOnMap Pixel.
* @param {goog.vec.Mat4.Number} imageTransformInv The transformation matrix
* to convert from a map pixel to a canvas pixel.
* @return {ol.Pixel}
* @protected
*/
ol.renderer.canvas.Layer.prototype.getPixelFromCoordinates =
function(coordinate, imageTransformInv) {
var pixelOnMap = this.getMap().getPixelFromCoordinate(coordinate);
ol.renderer.canvas.Layer.prototype.getPixelOnCanvas =
function(pixelOnMap, imageTransformInv) {
var pixelOnCanvas = [0, 0];
ol.vec.Mat4.multVec2(imageTransformInv, pixelOnMap, pixelOnCanvas);
return pixelOnCanvas;