Hi,
you should use firebug to see what requests were issued and what was
returned. In your case, I suspect that the combination of LAYERS and
SLD_BODY params is invalid and you don't get back an image from your WMS.
Regards,
Andreas.
On 2010-02-17 16:47, David Alda Fernandez de Lezea wrote:
> Hello list,
>
> I had som problems applying a SLD to a OpenLayers.Layer.WMS becuase of the
> mentioned problem of URL length in IE. I followed up the discussions about
> this solution and decided to apply it to my app. But I get an error when I
> try to apply an SLD and make it visible. I mean, I create the layer without
> any error:
>
> olLayers[0] = new OpenLayers.Layer.WMS.Post( "WMSLayer",url,
> { transparent: 'true', layers:
> 'RecintosSigpac,ParcelasSigpac,PoligonosSigpac'},{visibility: false,
> displayInLayerSwitcher:false, isBaseLayer: false, units: 'm', maxExtent: new
> OpenLayers.Bounds(460000, 4710000, 610000, 4820000), maxResolution:
> 292.96875} );
>
> Then, later, I have some links that the user can click to apply some SLD's to
> some parcels. I create the SLD dynamically.
>
> var wms = this.map.getLayersByName("megaWMSLayer")[0];
> wms.mergeNewParams({SLD_BODY: sld});
> wms.setVisibility(true);
>
> And the problem comes in the line 'wms.setVisibility(true);'. Debugging the
> error, I found that it crashes in line 1275 character 174 of OpenLayers.js to
> be precise. This is the code of that line:
>
> tile.onLoadStart=function(){if(this.numLoadingTiles==0){this.events.triggerEvent("loadstart");}
> this.numLoadingTiles++;};
>
> And the variable tile is undefined.
>
> Is this a known problem or it's just my fault??.
>
> Any ideas??
>
> 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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--
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.
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