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Is it possible to query, whether WMS service supports CQL filtering (like Geoserver does) or not? I didn't find any hints from GetCapabilities query result.

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up vote 4 down vote accepted

As far as I know these are not supported by anyone else as they are a vendor specific parameter that is added by GeoServer. I also don't believe there is anyway to determine the vendor specific parameters from the capabilities request.

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That seems to be the case. So I'm going to test, whether it's geoserver or not. – user1702401 Nov 16 '12 at 10:48

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