> Using OL + WFS as Ricardo suggested is another option. It will give > you more control,probably nice popup functionality and visual feedback as you > hover on the selection, but it won't scale up to large selections (e.g., more > than a few tens of features) whilst the approach I'm suggesting above will be > much more static but will scale up to whatever selection size with no > particular problems. > Andrea - the SLDSelect control in Openlayers more less implements what you suggest. This issue with it is that SLD filters are not honouring the SRS of spatial geometry on geoserver (though they are honoured on mapserver). If the spatial filter in the sld is in the same SRS as the layer in geoserver, this mechanism scale fine.
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