No composeFrame if layer and view don't intersect
ol.renderer.canvas.TileLayer#prepareFrame immediately returns false if the layer extent and the view extent do not intersect.
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@@ -197,6 +197,10 @@ ol.renderer.canvas.TileLayer.prototype.prepareFrame =
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if (goog.isDef(layerState.extent)) {
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extent = ol.extent.getIntersection(extent, layerState.extent);
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}
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if (ol.extent.isEmpty(extent)) {
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// Return false to prevent the rendering of the layer.
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return false;
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}
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var tileRange = tileGrid.getTileRangeForExtentAndResolution(
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extent, tileResolution);
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