Can I confirm what version of the wfs client you are using? We are about to
remove gt-wfs (as gt-wfs-ng is a more capable replacement).
--
Jody Garnett
On 12 May 2015 at 22:16, Gerson Galang <gerson.sa...@gmail.com> wrote:
> Hi,
>
> I'm just following up on the post I made last week. I've done some
> more investigation on what was the reason why I was getting my feature
> geometries having a YX coord sequence even if I've specifically asked
> for it to be in XY sequence using
>
> final Hints hints = new Hints(Hints.FORCE_LONGITUDE_FIRST_AXIS_ORDER,
> Boolean.TRUE);
> crsFactory = ReferencingFactoryFinder.getCRSAuthorityFactory("EPSG",
> hints);
>
> I have access to two datasets, the first one returns this GML snippet...
>
> <wfs:FeatureCollection>
> <gml:featureMembers>
> <DPCD:BH2010_Estates gml:id="BH2010_Estates.1">
> <DPCD:gid>1</DPCD:gid>
> <DPCD:estatename>Manor Lakes</DPCD:estatename>
> <DPCD:the_geom>
> <gml:MultiSurface srsDimension="2"
> srsName="urn:x-ogc:def:crs:EPSG:4283">
> <gml:surfaceMember>
> <gml:Polygon srsDimension="2">
> <gml:exterior>
> <gml:LinearRing srsDimension="2">
> <gml:posList>-37.88634 144.6066
> -37.885634 144.602371 -37.885627 144.602335 -37.885593
> ...</gml:posList>
> </gml:LinearRing>
> </gml:exterior>
> </gml:Polygon>
> </gml:surfaceMember>
> </gml:MultiSurface>
> </DPCD:the_geom>
> </DPCD:BH2010_Estates>
> </gml:featureMembers>
> </wfs:FeatureCollection>
>
>
> And the second dataset returns this...
>
> <wfs:FeatureCollection>
> <gml:boundedBy>
> <gml:Envelope srsDimension="2"
> srsName="http://www.opengis.net/def/crs/EPSG/0/4283";>
> <gml:lowerCorner>-37.73385732
> 144.74719276000008</gml:lowerCorner>
> <gml:upperCorner>-37.66292699
> 144.84819889000005</gml:upperCorner>
> </gml:Envelope>
> </gml:boundedBy>
> <gml:featureMember>
> <wescml-sf0:CombinedMeterReadings
> gml:id="CombinedMeterReadings.fid--2dd7eee8_14d0d6ba0c6_45e8">
> <gml:boundedBy>
> <gml:Envelope srsDimension="2"
> srsName="http://www.opengis.net/def/crs/EPSG/0/4283";>
> <gml:lowerCorner>-37.73385732
> 144.74719276000008</gml:lowerCorner>
> <gml:upperCorner>-37.66292699
> 144.84819889000005</gml:upperCorner>
> </gml:Envelope>
> </gml:boundedBy>
> <wescml-sf0:aggregationID>
> http://wescml.org/yvw-water/combined-meter-readings/2000000
> </wescml-sf0:aggregationID>
> <wescml-sf0:geometryID>3036</wescml-sf0:geometryID>
> <wescml-sf0:spatialRepresentation>
> <gml:MultiSurface srsDimension="2"
> srsName="http://www.opengis.net/def/crs/EPSG/0/4283";>
> <gml:surfaceMember>
> <gml:Polygon srsDimension="2"
> srsName="http://www.opengis.net/gml/srs/epsg.xml#4283";>
> <gml:exterior>
> <gml:LinearRing srsDimension="2">
> <gml:posList>-37.72848142
> 144.8301788 -37.72850366999995 144.83013113000004 ...</gml:posList>
> </gml:LinearRing>
> </gml:exterior>
> </gml:Polygon>
> </gml:surfaceMember>
> </gml:MultiSurface>
> </wescml-sf0:spatialRepresentation>
> <wescml-sf0:propertyTypeURI>
> http://wescml.org/def/ResidentialProperty</wescml-sf0:propertyTypeURI>
> </wescml-sf0:CombinedMeterReadings>
> </gml:featureMember>
> </wfs:FeatureCollection>
>
> Now, here's the interesting part, for the first example, I get the
> coordinate sequence right ie XY (long/lat) which is what I requested.
> And for the second dataset, I get YX (lat/long) still.
>
> And the cause of this?? See line 529 of
>
> https://github.com/geotools/geotools/blob/master/modules/unsupported/wfs/src/main/java/org/geotools/data/wfs/v1_1_0/WFS_1_1_0_DataStore.java
>
> Is there a reason why the colon is needed in the comparison
>
> if (supportedCRSIdentifier.endsWith(":" + epsgCode))
>
> Why is http://www.opengis.net/def/crs/EPSG/0/4283 treated differently
> from urn:x-ogc:def:crs:EPSG:4283
>
> Regards,
> Gerson
>
> On Wed, May 6, 2015 at 11:51 AM, Gerson Galang <gerson.sa...@gmail.com>
> wrote:
> > Hi,
> >
> > I'd like to know if there's a way to force the coordinate sequence to
> > be in long/lat if I am talking to a WFS 1.1 service.
> >
> > This page (
> http://docs.geoserver.org/latest/en/user/services/wfs/basics.html)
> > talks about using either of the following formats EPSG:XXXX or
> > http://www.opengis.net/gml/srs/epsg.xml#xxxx. This method works if I
> > use this format as the value of the SRSName if I send my request
> > directly to the WFS service via POST or GET request. But if I use
> > geotools and setup my query like this...
> >
> > // ... set up the other query parameters
> > // and now the SRS name
> > CoordinateReferenceSystem crs =
> > crsFactory.createCoordinateReferenceSystem("EPSG:4283");
> > query.setCoordinateSystem(crs);
> > featureSource.getFeatures(query);
> >
> > The call to adaptQueryForSupportedCRS((Query) query) will return an
> > srsName in either these formats..
> >
> > http://www.opengis.net/def/crs/EPSG/0/XXXX
> > or
> > urn:x-ogc:def:crs:EPSG:xxxx
> >
> > If GT gives me the above two formats, I will always end up with a Y-X
> > (lat/long) sequence in all my feature collection. Is there a way go
> > around this issue?
> >
> > Thanks,
> > Gerson
>
>
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