Hi,
I believe that using &FILTER= is only supported in WFS. With WMS you should
flip the OGC filter inside SLD. If you know that you will use only Geoserver
you could have a try with CQL filters
http://docs.geoserver.org/stable/en/user/tutorials/cql/cql_tutorial.html
-Jukka Rahkonen-
Mattias Bengtsson wrote:
I'm trying to construct an OGC filter to pass to a WMS GetMap request to
GeoServer but I can't seem to do it. The goal is to show the parts of the layer
that intersects with a supplied polygon.
Here is an explanatory image: http://moonlite.github.io/files/description.png
When I run the query I don't get a result but get this in the server logs:
org.xml.sax.SAXException: Attempted to construct illegal filter - I dont
understand the tag: gml:Polygon. HINT: tags are case-sensitive!
Any ideas?
The query:
http://kar-toffel1.kartena.intra:8080/geoserver/kartena/wms?LAYERS=kartena%3Aosakert-luftkabel&STYLES=&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&SRS=EPSG%3A2400&FILTER=%3CFilter%20xmlns%3Agml%3D%22http%3A%2F%2Fwww.opengis.net%2Fgml%22%3E%3CIntersects%3E%3CPropertyName%3Ethe_geom%3C%2FPropertyName%3E%3Cgml%3APolygon%20srsName%3D%22http%3A%2F%2Fwww.opengis.net%2Fgml%2Fsrs%2Fepsg.xml%232400%22%3E%3Cgml%3AouterBoundaryIs%3E%3Cgml%3ALinearRing%3E%3Cgml%3Acoordinates%3E1271018%2C6404272%201271210%2C6404272%201271210%2C6404209%201271018%2C6404272%3C%2Fgml%3Acoordinates%3E%3C%2Fgml%3ALinearRing%3E%3C%2Fgml%3AouterBoundaryIs%3E%3C%2Fgml%3APolygon%3E%3C%2FIntersects%3E%3C%2FFilter%3E&CRS=EPSG%3A2400&BBOX=1270899.0723165,6404076.7312769,1271329.8765605,6404348.0392931&WIDTH=524&HEIGHT=330
The filter unescaped:
<Filter xmlns:gml="http://www.opengis.net/gml";>
<Intersection>
<PropertyName>the_geom</PropertyName>
<gml:Polygon srsName="http://www.opengis.net/gml/srs/epsg.xml#2400";>
<gml:outerBoundaryIs>
<gml:LinearRing>
<gml:coordinates>
1271018,6404272
1271210,6404272
1271210,6404209
1271018,6404272
</gml:coordinates>
</gml:LinearRing>
</gml:outerBoundaryIs>
</gml:Polygon>
</Intersection>
</Filter>
Thanks in advance!
Mattias at Kartena
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