I guess you only need to escape the value for the SLD parameter, like in
with the JavaScript escape function:
url += "&SLD=" +
escape("http://localhost:8080/geoserver/DynamicSLDRequest?shapeType=polygon&layer=topp:states";);
Cheers,
Gabriel
sabman wrote:
> I am working on implementing a web service where a user can send parameters
> to change the image returned by WMS. Right now I have written a servlet
> which simply returns a SLD xml file based on the parameters given to it. It
> looks something like this:
>
> http://localhost:8080/geoserver/DynamicSLDRequest?layer=topp:states&shapeType=polygon
>
> So I can use this dynamic SLD generator to implement the web service. The
> servlet would take assign parameter "layer" to
> "<NamedLayer><Name>______</Name>...." and return an SLD appropriate for a
> polygon shape. If I make a request to the servlet directly it outputs a
> valid SLD xml.
>
> Now when I try to use the WMS service and use the "SLD=" feature, I get an
> error. This is how I make the call:
>
> http://localhost:8080/geoserver/wms?bbox=-130,24,-66,50&Format=image/png&request=GetMap&width=550&height=250&srs=EPSG:4326&SLD=http://localhost:8080/geoserver/DynamicSLDRequest?layer=topp:states&shapeType=polygon
>
> After working on it, I found the error was becasue when I make the call
> through the WMS service, it recognizes only the first parameter that is sent
> in the SLD URL. So in the above example, layer is assigned the correct value
> and shapeType is assigned null. If I send a request with shapeType as the
> first parameter like this:
>
> http://localhost:8080/geoserver/wms?bbox=-130,24,-66,50&Format=image/png&request=GetMap&width=550&height=250&srs=EPSG:4326&SLD=http://localhost:8080/geoserver/DynamicSLDRequest?shapeType=polygon&layer=topp:states
>
> Then shapeType is assigned the correct value but payer is assigned null.
>
> Is there some kind of limitation on the SLD url when used thorugh the WMS
> service for a GetMap operation?
--
Gabriel Roldan
OpenGeo - http://opengeo.org
Expert service straight from the developers.
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