Sounds like you may wish to look at WPS service instead of WFS. WFS
provides access to data directly. WPS allows you to process the data before
it is returned to you.
Jody
Jody Garnett
On Wed, Oct 15, 2014 at 2:00 PM, Michael Moore <
[email protected]> wrote:
> I'm trying to run a query against a WFS layer and then buffer those
> results in a web app. We are currently using CQL to query some attributes
> and to request only features which intersect with a specified geometry.
>
> Our requests look like this.
>
>
> http://example.com/geoserver/testing/ows?version=2.0.0&service=WFS&request=GetFeature&outputFormat=json&srsName=EPSG%3A4326&typeName=testing%3Atrees&CQL_FILTER=(intersects(geom%2CPOLYGON+((45.22109023031564+-93.35150599479677%2C+45.22166456717873+-93.35150599479677%2C+45.22166456717873+-93.35050821304321%2C+45.22109023031564+-93.35050821304321%2C+45.22109023031564+-93.35150599479677))))+AND+type_of_as+IN+(%27Black%27)+AND+approximat+IN+(%272-5%27)
>
> That works great for selecting the correct features, but I can't figure
> out how to buffer those results. I see that buffer is listed here (
> http://docs.geoserver.org/stable/en/user/filter/function_reference.html)
> but I can't find any examples of its use.
>
> Can someone tell me where I should be looking to learn how to use the
> buffer function?
>
> Thanks,
> Michael Moore
>
>
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