set Needs Update
Marks this layer dirty so it redraws on the next frame, propagates the request to tileLayerRenderer, and asks mapController to redraw. Does nothing if the layer is currently hidden, unless force is true.
Marks this layer dirty so it redraws on the next frame, propagates the request to tileLayerRenderer, and asks mapController to redraw. Does nothing if the layer is currently hidden, unless force is true.