[OpenLayers-Users] Openlayers - tilecache and overlay problem
vpi at makina-corpus.com
Wed Dec 6 06:04:25 EST 2006
Here is my setup :
* mapserver serving a WMS layer
* Tilecache caching this layer (same host)
* Openlayers as a client
I set up Openlayers to display the layer as WMS directly from mapserver, it
works well. Then I set it up to display the same layer from tilecache, and it
works like a charm.
The thing is that I would like to have this layer as a transparent overlay in
openlayers. When I enable the transparency (transparent: "true" in layer
creation), the WMS appears as an overlay. Everything fine up to here.
But when I do the same with WMSC from tilecache, and check the corresponding
layer in openlayer's overlay list, I only have broken images. Same result if
I create the WMS layer without transparency, and try this just after
The trouble seems to be on openlayer's side, but I can't figure out why it
can't find tilecache images when the layer is in overlay mode, whereas it can
find them in BaseLayer mode.
Any idea ?
And last but not least : thanks for those tools, great pieces of software !
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