What is the data source for the layers? Is it a database? If so, would
SQL Views offer a solution?
On Tue, Feb 10, 2015 at 4:29 AM, Roel De Nijs <[email protected]>
wrote:
> Hi list,
>
>
>
> We send a WMS GetMap-request (through OpenLayers) to geoserver for a set
> of layers. The number of comma-seperated values in the layers parameter
> ranges from 1 to 30.
>
>
>
> Some of our users are only allowed to see the objects of a certain
> geographic area like a city or a state. To implement this requirement, we
> currently add a cql_filter to the request and so for each layer (in the
> layers parameter) we add something like “WITHIN(the_geom, wktOfArea)”. This
> wktOfArea can get quite big and is thus repeated for every layer (resulting
> in a very big request). It works, but it’s slow.
>
>
>
> Are there any alternatives to implement this requirement? What’s
> considered tob e the best approach? I noticed the querylayer module (cross
> layer filtering) and because the cities and states are defined in a
> seperate geoserver layer, I assume this could be a (good) alternative...
>
>
>
>
>
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