help w/ WFS request
Eijnden, B. van den (Bart)
b.vdeijnden at AGI.RWS.MINVENW.NL
Tue Apr 18 22:14:19 PDT 2006
Some more thoughts:
1. you need to use msGeometry instead of the_geom in your GetFeature request
2. just checking, but have you set DUMP TRUE on your LAYER?
Best regards,
Bart
-----Oorspronkelijk bericht-----
Van: UMN MapServer Users List
[mailto:MAPSERVER-USERS at LISTS.UMN.EDU]Namens John Cartwright
Verzonden: dinsdag 18 april 2006 22:19
Aan: MAPSERVER-USERS at LISTS.UMN.EDU
Onderwerp: Re: [UMN_MAPSERVER-USERS] help w/ WFS request
Thanks for the prompt replies Perry and Bart!
I found part of my problem was that the TNS_ADMIN variable was not being
recognized so mapserver was not finding my tnsnames.ora. Having
corrected that, I now get the correct coordinates in the response, but
it 's not finding any features. This is mapserver 4.8.3 (on RHEL WS4)
running against an Oracle (10.1.0.4) spatial data source.
Here's my current request and response. I expect to find 67 point
features w/in this particular geographic extent, but the
featureCollection is coming back empty. The complete
DescribeFeatureType response is listed at the bottom of the message.
Thanks again for your help!
-- john
----------------------------------------------------------------------------
----------------------------------------------------------------------------
--------------------------
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:PropertyName>OBJECT_ID</ogc:PropertyName>
<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>
----------------------------------------------------------------------------
----------------------------------------------------------------------------
--------------------------
Response (note the empty featureCollection where there should be 67 points):
<?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&SERVICE=WFS&VERSI
ON=1.0.0&REQUEST=DescribeFeatureType&TYPENAME=soundings&OUTPUTFO
RMAT=XMLSCHEMA">
<gml:boundedBy>
<gml:Box srsName="EPSG:4269">
<gml:coordinates>-94.999165,26.504089
-94.757270,26.742092</gml:coordinates>
</gml:Box>
</gml:boundedBy>
</wfs:FeatureCollection>
----------------------------------------------------------------------------
----------------------------------------------------------------------------
--------------------------
DescribeFeatureType Response:
<schema
targetNamespace="http://mapserver.gis.umn.edu/mapserver"
xmlns:ms="http://mapserver.gis.umn.edu/mapserver"
xmlns:ogc="http://www.opengis.net/ogc"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns="http://www.w3.org/2001/XMLSchema"
xmlns:gml="http://www.opengis.net/gml"
elementFormDefault="qualified" version="0.1" >
<import namespace="http://www.opengis.net/gml"
schemaLocation="http://schemas.opengeospatial.net/gml/2.1.2/feature.xsd" />
<element name="soundings"
type="ms:soundingsType"
substitutionGroup="gml:_Feature" />
<complexType name="soundingsType">
<complexContent>
<extension base="gml:AbstractFeatureType">
<sequence>
<element name="msGeometry" type="gml:GeometryPropertyType"
minOccurs="0" maxOccurs="1"/>
<element name="OBJECT_ID" type="string"/>
<element name="SURVEY_ID" type="string"/>
<element name="ORIGINAL_LAT" type="string"/>
<element name="ORIGINAL_LONG" type="string"/>
<element name="CALCULATED_LAT" type="string"/>
<element name="CALCULATED_LONG" type="string"/>
<element name="ORIGINAL_DEPTH" type="string"/>
<element name="CURRENT_DEPTH" type="string"/>
<element name="CARTOCODE" type="string"/>
<element name="OBJECT_CODE" type="string"/>
<element name="QUALITY_CODE" type="string"/>
<element name="ACTIVE" type="string"/>
</sequence>
</extension>
</complexContent>
</complexType>
</schema>
Pericles S. Nacionales wrote:
>John,
>
>On Tuesday 18 April 2006 13:28, 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">
>>
>>
>
>Shouldn't this be "<gml:Box srsName="EPSG:4269">" (or is it EPSG:4326)?
Looks
>like the srsName in your mapfile maybe incorrect.
>
>-Perry
>
>
>
>> <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&SERVICE=WFS&VER
S
>>ION=1.0.0&REQUEST=DescribeFeatureType&TYPENAME=soundings&OUTPU
TF
>>ORMAT=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
>>
>>
>
>
>
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