[mapserver-users] wfs data conversion with ogr2ogr?
Rahkonen Jukka
Jukka.Rahkonen at mmmtike.fi
Tue Dec 16 01:47:44 PST 2008
Hi,
Are you sure there are data within that bounding box?
-Jukka Rahkonen-
> -----Alkuperäinen viesti-----
> Lähettäjä: mapserver-users-bounces at lists.osgeo.org
> [mailto:mapserver-users-bounces at lists.osgeo.org] Puolesta
> Knut Behrends
> Lähetetty: 16. joulukuuta 2008 11:31
> Vastaanottaja: mapserver-users at lists.osgeo.org
> Aihe: Re: [mapserver-users] wfs data conversion with ogr2ogr?
>
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> Hash: SHA1
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> Frank Warmerdam schrieb:
> > Knut Behrends wrote:
> >> -----BEGIN PGP SIGNED MESSAGE-----
> >> Hash: SHA1
> >>
> >> Hi all,
> >>
> >> I have received data from a WFS that was returned in this format:
> >> (Sample feature member)
> >>
> >> <gml:featureMember>
> >> <featureSet_704 fid="featureSet_704-feature_1732">
> >> <gml:boundedBy>
> >> <gml:Box>
> >> <gml:coord>
> >> <gml:X>4436682.0</gml:X>
> >> <gml:Y>5783076.0</gml:Y>
> >> </gml:coord>
> >> <gml:coord>
> >> <gml:X>4441086.0</gml:X>
> >> <gml:Y>5786776.0</gml:Y>
> >> </gml:coord>
> >> </gml:Box>
> >> </gml:boundedBy>
> >> <GEOM_ID>1732</GEOM_ID>
> >> <NAME>Marienborn</NAME>
> >> </featureSet_704>
> >> </gml:featureMember>
> > ...
> >
> >> After successful conversion, however, only the GEOM_ID and
> the NAME
> >> are exported. The spatial information is ignored lost
> during the conversion.
> >> Maybe it's in the wrong format, but it is obviously
> present in the
> >> GML fragment above. What can I do to convert the spatial
> information
> >> that is contained in the <X> and <Y> elements?
> >
> > Knut,
> >
> > The above feature fragment from a WFS lacks a geometry
> properly. The
> > boundedBy properly is normally ignored by OGR. Following
> is a simple
> > example of a GML feature with a point geometry attribute.
> >
> > <gml:featureMember>
> > <airports fid="2">
> > <NAME>Bowstring Municipal Airport</NAME>
> > <LAT> 47.5583</LAT>
> > <LON> -93.8689</LON>
> > <ELEVATION> 1372.0000</ELEVATION>
> > <QUADNAME>Jessie Lake</QUADNAME>
> >
> >
> <ogr:geometryProperty><gml:Point><gml:coordinates>434634,5267578</gml:
> > coordinates></gml:Point></ogr:geometryProperty>
> >
> > </airports>
> > </gml:featureMember>
> >
> > If you can influence your WFS, then producing something a bit like
> > this might be good.
> >
>
> The (non-UMN-mapserver based) WFS is public, and I am acting
> as a WFS client, merely retrieving data. Maybe it's just the
> HTTP GET request that was misspelled or incomplete.
> This was my request:
> http://geoportal.geodaten.sachsen-anhalt.de/geodatenportal/ser
> vlet/gtEntryPoint?&REQUEST=GetFeature&VERSION=1.0.0&SERVICE=WF
> S&TYPENAME=featureSet_704&BBOX=4400161.55779751,5779082.696127
> 75,4502841.70515686,5881251.07072079&MAXFEATURES=100
>
> Are these the correct URL parameters?
>
> - --
> ______________________________________________________________
> ______________
>
> Knut Behrends Phone: +49 (0) 331 288 1688
> Potsdam 14473 KeyID: 0xF22CACEF (PGP
> Public Key)
> ______________________________________________________________
> ______________
>
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