[MapProxy] MapProxy passing parameters to wms source

Lars Lingner gislars+list at googlemail.com
Wed Nov 27 04:06:39 PST 2013

Hello MapProxy Community,

I'm trying to find a solution for the following scenario:

MapServer is publishing a WMS with filter configuration. The client is
forced to send a set of vendor parameters. The WMS ist configured with a
default parameter set, so it is for sure that there isn't a request made
without these parameters.

I'm trying to setup MapProxy to cache the default parameter request, as
these set is used most of the time.
All request with different parameter set could be rendered on demand.

For this to work, MapProxy needs to know the default vendor parameter.
If there are variant parameter passed, MapProxy should pass these to the
wms source.

I doubt that it is possible, it would be a mix of a cached and a direct
layer. But maybe I just don't see the simplest solution.

Btw: it is not practical to publish a unique wms for each parameter

Have a nice day


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