Hi,
I'd like to switch on/off basemap. I found the following which works so far:
// Empty layer in order to switch off basemap (given a transparent
image called clear.gif)
var clearBaseLayer = new OpenLayers.Layer.Image(
"None",
'img/clear.gif',
new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34);
// BOUNDS_OF_MERCATOR
new OpenLayers.Size(8, 8),
{isBaseLayer: true}
);
The only problem here is, that when switching back to th original
basemap (whatever this is in your application) the extent was/is set
back to some larger area.
What can I do?
-S.
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