Ok, thanks Andrea.
I've seen in the gwc folder that tiled images are stores in folders
named workspaceName_layerName, and then numbers. I guess that's why the
workspace name has to appear in the request URL, so that it can find the
right folder.
It would be interesting to look in GS code where the folder name for GWC
storage is created, and maybe change it to a simpler name for my
request. But for now, I will work with the complete workspace+layer name...
Gabriel
On 17/11/2012 18:23, Andrea Aime wrote:
On Thu, Nov 15, 2012 at 5:34 PM, Gabriel Vatin
<[email protected]
<mailto:[email protected]>> wrote:
Hello all,
I've been playing around with GeoWebCache and the GeoServer 2.2
lastly, but I still have some questions about WMS request : I
tiled a layer XXX from a workspace xxx. So now I can perfectly
query it with these URL, and have fast raster display :
- with tiled=true
/http://myServer/geoserver/wms?LAYERS=xxx:XXX&TILED=true&FORMAT=image/jpeg&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&SRS=EPSG:4326&BBOX=0,-90,180,90&WIDTH=256&HEIGHT=256
<http://myServer/geoserver/wms?LAYERS=xxx:XXX&TILED=true&FORMAT=image/jpeg&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&SRS=EPSG:4326&BBOX=0,-90,180,90&WIDTH=256&HEIGHT=256>/
- with /gwc
/http:////myServer///geoserver/gwc/service/wms?LAYERS=xxx:XXX&FORMAT=image/jpeg&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&SRS=EPSG:4326&BBOX=0,-90,180,90&WIDTH=256&HEIGHT=256/
The thing is I don't want to use the workspace name xxx in my WMS
query (the GS architecture should be transparent). The query
without this statement works, but it doesn't use the tiled image,
even if I use tiled=true (so it's quite long...). GWC doesn't
recognize the layers if I query only /LAYERS=XXX/ with the
/gwc/service/wms URL.
Does tile caching only works with the full workspace-layer name,
or is there a trick to have tiled images with something like :
/http:////myServer///geoserver/wms?LAYERS=XXX&TILED=true&FORMAT=image/jpeg&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&SRS=EPSG:4326&BBOX=0,-90,180,90&WIDTH=256&HEIGHT=256/
I'm not sure if it's possible or not in the integrated GWC.
GeoServer has the ability to support both qualified and unqualified
names as you say, but
GeoWebCache only supports one name for its layers, and it's the fully
qualified one.
It should not be too hard to make the GWC integration in GeoServer do
some sort of lookup
on the GeoServer catalog in case the layer requested is not found, and
fall back on GS
lookup logic.
Basically the integration code would have to "fix" the layer name
before the request actually
enters in the GWC core.
Cheers
Andrea
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