Hello,
I found a compatibility issue with 1.6.5 and 1.7.0 regarding WFS (1.0)
GetFeature request "0 features results", i.e when using a filter that
doesn't match.
The difference is that in 1.7.0 I get a boundedBy bbox result of -1,-1
0,0 and in 1.6.5 I get a null "unknown".
Some perhaps important information is that this is from a PostGIS
datasource/featuretype, EPSG:2400 and that I have tried with and
without "generate feature bounds".
Result in 1.7.0:
<wfs:FeatureCollection>
<gml:boundedBy>
<gml:Box srsName="http://www.opengis.net/gml/srs/epsg.xml#2400">
<gml:coordinates decimal="." cs="," ts=" ">-1,-1 0,0</gml:coordinates>
</gml:Box>
</gml:boundedBy>
</wfs:FeatureCollection>
Result in 1.6.5:
<wfs:FeatureCollection>
<gml:boundedBy>
<gml:null>unknown</gml:null>
</gml:boundedBy>
</wfs:FeatureCollection>
I couldn't find anything in the WFS spec that indicates how this
should be done...
With regards
/Björn
Hi Björn,
So I believe the 1.7.0 behavior is a bug. Either it should include no boundedBy element or it should include the gml:null element as in 1.6.5. From a schema point of view both would be valid.
From a spec point of view I am not sure... I think that question would better be answered by the spec writers on the wfs-dev mailing list, wfs-dev@anonymised.com
-Justin
Björn Harrtell wrote:
Hello,
I found a compatibility issue with 1.6.5 and 1.7.0 regarding WFS (1.0)
GetFeature request "0 features results", i.e when using a filter that
doesn't match.
The difference is that in 1.7.0 I get a boundedBy bbox result of -1,-1
0,0 and in 1.6.5 I get a null "unknown".
Some perhaps important information is that this is from a PostGIS
datasource/featuretype, EPSG:2400 and that I have tried with and
without "generate feature bounds".
Result in 1.7.0:
<wfs:FeatureCollection>
<gml:boundedBy>
<gml:Box srsName="http://www.opengis.net/gml/srs/epsg.xml#2400">
<gml:coordinates decimal="." cs="," ts=" ">-1,-1 0,0</gml:coordinates>
</gml:Box>
</gml:boundedBy>
</wfs:FeatureCollection>
Result in 1.6.5:
<wfs:FeatureCollection>
<gml:boundedBy>
<gml:null>unknown</gml:null>
</gml:boundedBy>
</wfs:FeatureCollection>
I couldn't find anything in the WFS spec that indicates how this
should be done...
With regards
/Björn
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Justin Deoliveira
OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.