[mapserver-users] wfs data conversion with ogr2ogr?

[Rahkonen Jukka]

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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> Frank Warmerdam schrieb:
> > Knut Behrends wrote:
> >> -----BEGIN PGP SIGNED MESSAGE-----
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> >> 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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