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Avoid unnecessary calls to tileGrid.getZForResolution()

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Tim Schaub
2017-09-02 13:20:50 -06:00
parent 3860ef0198
commit 5e6a4e8cb7
4 changed files with 60 additions and 76 deletions
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src/ol/renderer/canvas/tilelayer.js
+1 -2
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@@ -147,8 +147,7 @@ ol.renderer.canvas.TileLayer.prototype.prepareFrame = function(frameState, layer
return false;
}
var tileRange = tileGrid.getTileRangeForExtentAndResolution(
extent, tileResolution);
var tileRange = tileGrid.getTileRangeForExtentAndZ(extent, z);
var imageExtent = tileGrid.getTileRangeExtent(z, tileRange);
var tilePixelRatio = tileSource.getTilePixelRatio(pixelRatio);