[mapserver-users] WFS Spatial Filter Problem

Fri Aug 5 07:41:38 EDT 2011

Sorry, I forgot to mention the Error message:

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>500 Internal Server Error</title>
</head><body>
<h1>Internal Server Error</h1>
<p>The server encountered an internal error or
misconfiguration and was unable to complete
your request.</p>
<p>Please contact the server administrator,
  root at localhost and inform them of the time the error occurred,
and anything you might have done that may have
caused the error.</p>
<p>More information about this error may be available
in the server error log.</p>
<hr>
<address>Apache/2.2.3 (Red Hat) Server at localhost Port 80</address>
</body></html>

Thanks,
Bryan

On 05/08/2011 13:02, Bryan Hempen wrote:
> The problem: I am trying to implement something similar to 
> http://openlayers.org/dev/examples/wfs-spatial-filter.html with my own 
> data served by MapServer through a WFS. I just changed some lines in 
> the code to make it work with MapServer, so the code is almost equal 
> to the code in the example at the moment. So far it's working fine 
> UNTIL I drag the polygon to apply the spatial filter! According to the 
> getCapabitilies the server should be able to handle the request:
>
> ...
> <ogc:Spatial_Capabilities>
> <ogc:Spatial_Operators>
> <ogc:Equals/>
> <ogc:Disjoint/>
> <ogc:Touches/>
> <ogc:Within/>
> <ogc:Overlaps/>
> <ogc:Crosses/>
> <ogc:Intersect/>
> <ogc:Contains/>
> <ogc:DWithin/>
> <ogc:BBOX/>
> </ogc:Spatial_Operators>
> </ogc:Spatial_Capabilities>
> ...
>
> Both WFS GetFeature requests are sent via HTTP POST. The first one 
> that works (called on page load) looks like this:
>
> <wfs:GetFeature xmlns:wfs="http://www.opengis.net/wfs" 
> xmlns:xsi="http  ://www.w3.org/2001/XMLSchema-instance" service="WFS" 
> version="1.0.0" xsi:schemaLocation="http://www.opengis.net/wfs 
> http://schemas.opengis.net/wfs/1.0.0/WFS-transaction.xsd">
> <wfs:Query typeName="omega">
> <ogc:Filter xmlns:ogc="http://www  .opengis.net/ogc">
> <ogc:BBOX>
> <ogc:PropertyName>msGeometry</ogc:PropertyName>
> <gml:Box xmlns:gml="http:  //www.opengis.net/gml" srsName="EPSG:4326">
> <gml:coordinates decimal="." cs="," ts=" ">135.45,-47.425 
> 157.95,-36.175</gml:coordinates>
> </gml:Box>
> </ogc:BBOX>
> </ogc:Filter>
> </wfs:Query>
> </wfs:GetFeature>
>
> The request not working looks like this:
>
> <wfs:GetFeature xmlns:wfs="http://www.opengis.net/wfs" 
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" service="WFS" 
> version="1.0.0" xsi:schemaLocation="http://www.opengis.net/wfs 
> http://schemas.opengis.net/wfs/1.0.0/WFS-transaction.xsd">
> <wfs:Query xmlns:ms="http://mapserver.gis.umn.edu/mapserver" 
> typeName="ms:omega">
> <ogc:Filter xmlns:ogc="http://www.opengis.net/ogc">
> <ogc:And>
> <ogc:Intersects>
> <ogc:PropertyName>msGeometry</ogc:PropertyName>
> <gml:Polygon xmlns:gml="http://www.opengis.net/gml" srsName="EPSG:4326">
> <gml:outerBoundaryIs>
> <gml:LinearRing>
> <gml:coordinates decimal="." cs="," ts=" 
> ">145.72880866081,-40.709423872828 145.83867194206,-42.752880904078 
> 148.34355475456,-40.995068404078 
> 145.72880866081,-40.709423872828</gml:coordinates>
> </gml:LinearRing>
> </gml:outerBoundaryIs>
> </gml:Polygon>
> </ogc:Intersects>
> <ogc:BBOX>
> <ogc:PropertyName>msGeometry</ogc:PropertyName>
> <gml:Box xmlns:gml="http://www.opengis.net/gml" srsName="EPSG:4326">
> <gml:coordinates decimal="." cs="," ts=" ">135.45,-47.40302734375 
> 157.95,-36.15302734375</gml:coordinates>
> </gml:Box>
> </ogc:BBOX>
> </ogc:And>
> </ogc:Filter>
> </wfs:Query>
> </wfs:GetFeature>
>
> Does anyone have an idea? Any help is appreciated, I am stuck.
>
> The setup:
>
>     * OS: Red Hat Enterprise Linux 5.4
>     * PostgreSQL 8.2
>     * PostGIS 1.3
>     * MapServer 5.6.5
>     * OpenLayers, one of the latest versions. ProxyHost set and
>       working (calling the proxy.cgi shows OpenLayers website)
>
> Kind regards,
> Bryan
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