On Thu, Oct 21, 2010 at 6:02 PM, Gregory Giuliani <
[email protected]> wrote:
> Dear all,
>
> With two colleagues, we are trying to intersect two features, like this
> example:
>
>
> http://localhost:8080/geoserver/ows?&VERSION=1.0.0&SERVICE=WFS&REQUEST=GetFeature&TYPENAME=cities&Filter=
> <Filter>
>
> <Intersect><PropertyName>Geometry</PropertyName><gml:Polygon><gml:outerBoundaryIs><gml:LinearRing>
> <gml:coordinates>135.5329,34.6624 135.4921,34.8153 135.3673,34.7815
> 135.3800,34.6216 135.5361,34.6210
> 135.5329,34.6624</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></Intersect></Filter>
>
> but instead of defining the <gml:coordinates> we want to call a second WFS
> GetFeature like that:
>
>
> http://localhost:8080/geoserver/ows?&VERSION=1.0.0&SERVICE=WFS&REQUEST=GetFeature&TYPENAME=cities&Filter=
> <Filter>
> <Intersect><PropertyName>Geometry</PropertyName><HTTP><Get onlineResource="
> http://sdi.unige.ch/arcgis/services/WFS_GDB/MapServer/WFSServer?
> request=GetFeature&version=1.0.0&srs=EPSG:4326&typename=WFS_GDB:river"/></HTTP></Intersect></Filter>
>
> But unfortunately this does not work.
>
> Did someone has an idea on how to do that and if it is possible?
>
>
It is not possible, you have to make two separate WFS calls, one to retrieve
the geometry coordinates, the second to use those coordinates in the
intersect call
Cheers
Andrea
-----------------------------------------------------
Ing. Andrea Aime
Senior Software Engineer
GeoSolutions S.A.S.
Via Poggio alle Viti 1187
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Italy
phone: +39 0584962313
fax: +39 0584962313
http://www.geo-solutions.it
http://geo-solutions.blogspot.com/
http://www.linkedin.com/in/andreaaime
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