I am currently developing a small Openlayers project using Geoserver.
I have been using a WMS base layer and the WPS service to do most calculations like buffer, interseccion, etc. It is very easy to perform and chain these operations.
I can't seem to find, however, a way to perform a thematic map over a geometry object. The only way I see possible is to attach a SLD file to a WMS request but that just ruins the point of using WPS to chain actions, I think it would actually completely replace WPS.
Is WMS the way to go?