WFS spatial Filter support

GeoIT info at GEO-IT.COM
Tue Oct 5 09:41:59 EDT 2004


Hi,

We have MapServer Version 4.3 dev installed to test its WFS-capabilities.
We tried to perform a spatial filter as defined in the XML-file below via
curl:

############################################################################
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<?xml version="1.0" encoding="UTF-8"?>
<wfs:GetFeature service="WFS" version="1.0.0" request="GetFeature"
outputFormat="GML2" xmlns:rtgis="http://www.rtg.bv.tum.de/rtgis"
xmlns:wfs="http://www.opengis.net/wfs"
xmlns:gml="http://www.opengis.net/gml"
xmlns:ogc="http://www.opengis.net/ogc"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.opengis.net/wfs">
        <wfs:Query typeName="rtgis:EW_LEITUNGSABS">
                <ogc:Filter>
                        <ogc:Intersects>

<ogc:PropertyName>rtgis:GEOM</ogc:PropertyName>
                                <gml:Polygon srsName="EPSG:31468">
                                        <gml:outerBoundaryIs>
                                                <gml:LinearRing>
                                                        <gml:coordinates
cs="," decimal="." ts=" ">4394954.9510,5319204.3811
4394993.6108,5319198.3668 4394986.7379,5319163.4837
4394957.5283,5319165.7176 4394954.9510,5319204.3811</gml:coordinates>
                                                </gml:LinearRing>
                                        </gml:outerBoundaryIs>
                                </gml:Polygon>
                        </ogc:Intersects>
                </ogc:Filter>
        </wfs:Query>
        <wfs:Query typeName="rtgis:EW_TRAEGER">
                <ogc:Filter>
                        <ogc:Intersects>

<ogc:PropertyName>rtgis:GEOM</ogc:PropertyName>
                                <gml:Polygon srsName="EPSG:31468">
                                        <gml:outerBoundaryIs>
                                                <gml:LinearRing>
                                                        <gml:coordinates
cs="," decimal="." ts=" ">4394954.9510,5319204.3811
4394993.6108,5319198.3668 4394986.7379,5319163.4837
4394957.5283,5319165.7176 4394954.9510,5319204.3811</gml:coordinates>
                                                </gml:LinearRing>
                                        </gml:outerBoundaryIs>
                                </gml:Polygon>
                        </ogc:Intersects>
                </ogc:Filter>
        </wfs:Query>
</wfs:GetFeature>

############################################################################
#############

Mapserver is not able to handle this filter request. It returns the
following exception-report:

############################################################################
#############

<ServiceExceptionReport
xmlns="http://www.opengis.net/ogc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.opengis.net/ogc
http://ogc.dmsolutions.ca/wfs/1.0/OGC-exception.xsd">
  <ServiceException>
msWFSGetFeature(): WFS server error. Invalid or Unsupported FILTER in
GetFeature : &lt;Filter&gt;
  &lt;Intersects&gt;
    &lt;Polygon srsName=&quot;31468&quot;&gt;
      &lt;outerBoundaryIs&gt;
        &lt;LinearRing&gt;
          &lt;coordinates cs=&quot;,&quot; decimal=&quot;.&quot; ts=&quot;
&quot;&gt;4394954.9510,5319204.3811 4394993.6108,5319198.3668
4394986.7379,5319163.4837 4394957.5283,5319165.7176
4394954.9510,5319204.3811&lt;/coordinates&gt;
        &lt;/LinearRing&gt;
      &lt;/outerBoundaryIs&gt;
    &lt;/Polygon&gt;
  &lt;/Intersects&gt;
&lt;/Filter&gt;

  </ServiceException>
</ServiceExceptionReport>

############################################################################
#############

Are there any plans to implement this functionality in future releases ?

Regards,
Daniel

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