[Tilecache] problems getting tilecache.cfg and Openlayers WMS parameters in sync

[Christopher Schmidt]

On Fri, Jul 20, 2007 at 02:47:27PM +0100, David Herbert wrote:

(As a reminder, please respond to the list, and not just to me.)

> Have changed my cfg file to:
> 
> [bathymetry_and_coastline]
> type=WMSLayer
> url=http://10.48.1.76:8080/geoserver/wms
> layers=sggis:bathy_poly,sggis:coast_polygon
> extension=png
> bbox=-82000,7800,80000,116000
> maxResolution=200.370370
> srs=EPSG:2007056
> 
> Now it makes up a tile request as e.g:

You didn't change your OpenLayers 'layers' parameter to match the
TileCache layer name. You should have OpenLayers talking to
'bathymetry_and_coastline', not to
'sggis:bathy_poly,sggis:coast_polygon'. 

(The rest of this message has been left for posterity.)

-- Chris

> http://10.48.1.76/tilecache/tilecache.cgi?LAYERS=sggis%3Abathy_poly%2Csggis%3Acoast_polygon&STYLES=sggis_bathymetry_polygon%2Csggis_coastline&FORMAT=image%2Fpng&TRANSPARENT=off&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A2007056&BBOX=20589.62944%2C59094.81472%2C71884.44416%2C110389.62944&WIDTH=256&HEIGHT=256
> 
> and now gives me the error:
> 
> An error occurred: 'sggis:bathy_poly,sggis:coast_polygon'
>   File "C:\Program Files\Apache Software
> Foundation\Apache2.2\htdocs\tilecache\TileCache\Service.py", line 489,
> in cgiHandler
>     format, image = service.dispatchRequest( params, path_info,
> req_method, host )
>   File "C:\Program Files\Apache Software
> Foundation\Apache2.2\htdocs\tilecache\TileCache\Service.py", line 397,
> in dispatchRequest
>     tile = WMS(self).parse(params, path_info, host)
>   File "C:\Program Files\Apache Software
> Foundation\Apache2.2\htdocs\tilecache\TileCache\Service.py", line 122,
> in parse
>     return self.getMap(param)
>   File "C:\Program Files\Apache Software
> Foundation\Apache2.2\htdocs\tilecache\TileCache\Service.py", line 126,
> in getMap
>     layer = self.service.layers[param["layers"]]
> 
> which I've seen people reporting before on the list.  I have tried
> another overlay which only contains one WMS layer (called it "surface"
> and contains sggis:surface Geoserver layer).  Any ideas?

-- 
Christopher Schmidt
MetaCarta