On Mon, Apr 29, 2013 at 12:04 PM, Rahkonen Jukka 
<[email protected]<mailto:[email protected]>> wrote:
Hi,

I believe that using  &FILTER= is only supported in WFS. With WMS you should 
flip the OGC filter inside SLD.

Ah, that might be it. Do I need to store that SLD in geoserver or can I send 
that along with the request?

If you know that you will use only Geoserver you could have a try with CQL 
filters http://docs.geoserver.org/stable/en/user/tutorials/cql/cql_tutorial.html

I tried with CQL filters first, but they seem to only be about boolean 
expressions, in the sense that either a geometry doesn't match or when it 
matches the whole geometry will be rendered.
I need something more like a spatial version of the set operation intersection. 
That is I want the parts of the geometries that are outside of my bounding 
polygon to be cut away.
Does this make sense? I think my bad painting linked above helps with 
understanding what I'm after.
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