help w/ WFS request

Bart van den Eijnden (OSGIS) bartvde at XS4ALL.NL
Tue Apr 18 14:46:47 EDT 2006


Sorry I meant DescribeFeatureType instead of DescribeLayer ....

Bart

Bart van den Eijnden (OSGIS) wrote:

> Hi John,
>
> 1) what Mapserver version are you using?
> 2) if you do a DescribeLayer request, what is the name of the geometry 
> property (is it really the_geom like in your request)?
>
> Mapserver's response indicates an empty feature collection, so the 
> boundedBy is gml:null.
>
> Best regards,
> Bart
>
> John Cartwright wrote:
>
>> Hello All,
>>
>> I'm trying to get mapserver setup as a simple WFS server. It responds 
>> to a GetCapabilities request OK:
>> but when I send the following GetFeatures request:
>>
>> <wfs:GetFeature service="WFS" version="1.0.0"
>>  outputFormat="GML2"
>>  xmlns:wfs="http://www.opengis.net/wfs"
>>  xmlns:ogc="http://www.opengis.net/ogc"
>>  xmlns:gml="http://www.opengis.net/gml"
>>  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>>  xsi:schemaLocation="http://www.opengis.net/wfs
>>                      
>> http://schemas.opengis.net/wfs/1.0.0/WFS-basic.xsd">
>>  <wfs:Query typeName="soundings">
>>    <ogc:Filter>
>>      <ogc:BBOX>
>>        <ogc:PropertyName>the_geom</ogc:PropertyName>
>>        <gml:Box srsName="http://www.opengis.net/gml/srs/epsg.xml#4269">
>>           <gml:coordinates>-95,26.5 -94.75,26.75</gml:coordinates>
>>        </gml:Box>
>>      </ogc:BBOX>
>>   </ogc:Filter>
>>  </wfs:Query>
>> </wfs:GetFeature>
>>
>> I get this response, and don't know what's wrong:
>>
>> <?xml version='1.0' encoding="ISO-8859-1" ?>
>> <wfs:FeatureCollection
>>   xmlns:ms="http://mapserver.gis.umn.edu/mapserver"
>>   xmlns:wfs="http://www.opengis.net/wfs"
>>   xmlns:gml="http://www.opengis.net/gml"
>>   xmlns:ogc="http://www.opengis.net/ogc"
>>   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>>   xsi:schemaLocation="http://www.opengis.net/wfs 
>> http://schemas.opengeospatial.net/wfs/1.0.0/WFS-basic.xsd
>>                       http://mapserver.gis.umn.edu/mapserver 
>> http://lynx.ngdc.noaa.gov:8000/cgi-bin?map=bathydb&amp;SERVICE=WFS&amp;VERSION=1.0.0&amp;REQUEST=DescribeFeatureType&amp;TYPENAME=soundings&amp;OUTPUTFORMAT=XMLSCHEMA"> 
>>
>>   <gml:boundedBy>
>>      <gml:null>missing</gml:null>
>>   </gml:boundedBy>
>> </wfs:FeatureCollection>
>>
>> It suggests to me that the bounding box coordinates are not being 
>> properly read. I would have expected something like in the response:
>>
>> <gml:boundedBy> <gml:Box srsName="EPSG:4326">
>> <gml:coordinates> -95, 26.5 -94.75, 26.75</gml:coordinates>
>> </gml:Box>
>> </gml:boundedBy>
>>
>> followed by a series of featureMember elements.
>>
>> Can someone tell what I'm doing wrong?
>>
>> Thanks!
>>
>> -- john
>>
>>
>
>


-- 
Bart van den Eijnden
OSGIS, Open Source GIS
http://www.osgis.nl



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