[OpenLayers-Users] How to have multiple wms layers into one Openlayers.WMS layer

[Marco Scheuble]

Hi David,
For me it works when I do it like this:

map.addLayer(
   new OpenLayers.Layer.WMS(
     "Niedersachsen WMS",
     "http://www.geobasisdaten.niedersachsen.de/bestand",
     {layers: 'ueb5000_nf,ueb1000_nf,ukn500_nf,dtk100_v_nf'},
     {singleTile:true}
   )
);

cheers, Marco





Am 18.01.2010 09:25, schrieb David Alda Fernandez de Lezea:
> Hello,
> I'm trying to have an Openlayers.WMS layer that should contain 2 WMS 
> layers, served by MapServer, using the following code (in theory this 
> is possible):
> var twms = new OpenLayers.Layer.WMS( "Sigpac",
>    "http://192.168.1.65/cgi-bin/mapserv.exe?map=../htdocs/MFD/ejemplo_wms.map", 
>
>    { transparent: 'true', layers: 'ParcelasSigpac, 
> RecintosSigpac'},{strategies: [new 
> OpenLayers.Strategy.BBOX()],isBaseLayer: false, buffer:1, 
> gutter:0,visibility: false, units: 'm', maxExtent: new 
> OpenLayers.Bounds(463506.9978541628, 4702558.185239193, 
> 603185.4988525142, 4811754.780732273)} );
>
> map.addLayer(twms);
> but no layer is displayed. Instead I get a MapServer error: 
> msWMSLoadGetMapParams(): WMS server error. Invalid layer(s) given in 
> the LAYERS parameter.
> Is there anything special that I have to configure or am I doing 
> something wrong??
> On a totally differente subject. I use Tilecache for raster files. It 
> makes sense using Tilecache for non-raster layers, i.e. for wms vector 
> layers??
> Thanks in advance.
>
> Un saludo,
>
> ··················································································
>
> *David Alda Fernández de Lezea*
>
> Lurralde eta Biodibertsitate Saila / Dpto. de Territorio y Biodiversidad
>
> *IKT*
>
> Granja Modelo s/n · 01192 · Arkaute (Araba)
>
>
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> email: dalda at ikt.es 
> <mailto:dalda at ikt.es>                                web: www.ikt.es 
> <http://www.ikt.es/>
> ··················································································
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