First of all, I already asked this question in stackoverflow. I don't want to spam by asking again here. But I think the question fits better in gis.stackexchange. I am sorry for the replication. Feel ...
I have multiple layers in OpenLayers: three vector layers, one google map layer, and a marker layer. I registered feature selected event to all three vector layers (which works fine, but btw is that a ...
The OpenLayers.Control class possesses an eventListener property which could be used in the layer switcher control. I am not sure how to make use of it to detect a base layer change event so that I ...