Hi,
I meet a problem with geoserver's wfs.
The problem is:
I send a BBOX to query layer A,if the layer A 's geometry is "point",there
is no problem,if the layer A 's geometry is "linestring" or "polygon",at
most time,the response is wrong.
For example,in the BBOX,there is nothing,but the response I queryed using
the BBOX is not nothing.Then I run the Demos of geoserver,I also have found
the same problem.
My geoserver is 2.0.2.Tomcat is 6.0.29.When I run the Demos in geoserver
"WFS_getFeatureBBOX-1.0.xml",I am very confused.
I only update the demo's coordinates .the demo I updated is:
<!-- Performs a get feature with a bounding box filter. -->
<!-- The BBOX filter is a convenience for a <Not><Disjoint>, -->
<!-- it fetches all features that spatially interact with the given box. -->
<!-- This example also shows how to request specific properties, in this -->
<!-- case we just get the STATE_NAME and PERSONS -->
<wfs:GetFeature service="WFS" version="1.0.0"
outputFormat="GML2"
xmlns:topp="http://www.openplans.org/topp";
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="topp:states">
<ogc:PropertyName>topp:STATE_NAME</ogc:PropertyName>
<ogc:PropertyName>topp:PERSONS</ogc:PropertyName>
<ogc:Filter>
<ogc:BBOX>
<ogc:PropertyName>the_geom</ogc:PropertyName>
<gml:Box srsName="http://www.opengis.net/gml/srs/epsg.xml#4326";>
<gml:coordinates>-96.59055589968114,26.815362466713715
-95.29462605408101,27.807862077780122</gml:coordinates>
</gml:Box>
</ogc:BBOX>
</ogc:Filter>
</wfs:Query>
</wfs:GetFeature>
I have only changed "<gml:coordinates>", in "<gml :coordinates>"'s BBOX
there should be nothing on the layer "topp:states",but when
I click the button "submit",I can get the result:
<wfs:FeatureCollection xsi:schemaLocation="http://www.openplans.org/topp
http://localhost:8080/geoserver/wfs?service=WFS&version=1.0.0&request=DescribeFeatureType&typeName=topp%3Astates
http://www.opengis.net/wfs
http://localhost:8080/geoserver/schemas/wfs/1.0.0/WFS-basic.xsd";>
-
<gml:boundedBy>
<gml:null>unknown</gml:null>
</gml:boundedBy>
-
<gml:featureMember>
-
<topp:states fid="states.15">
<topp:STATE_NAME>Texas</topp:STATE_NAME>
<topp:PERSONS>1.712202E7</topp:PERSONS>
</topp:states>
</gml:featureMember>
</wfs:FeatureCollection>
In the BBOX,there should be nothing,but why not null the response is?
Please advise.
Zhao
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