[OpenLayers-Users] Flickering while updating overlay

[tommy408]

Anyone know how to get rid of the flickering when refreshing an overlay
layer?

I've tried

       my_layer.redraw(true)
and 
       my_layer.mergeNewParams({'foo': Math.random()});

I'm trying to update user map periodically.  But the layer disappears for a
split sec and appears.

I've tried something like this but it doesn't work.

	var temp_layer = my_later.clone();
	temp_layer.redraw(true);
	map.addLayer(test_layer);
        map.removeLayer(my_later);


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