[gdal-dev] ogr2ogr: How can I get GML output file in 2D?

kai.zimmerl at srv.se kai.zimmerl at srv.se
Tue Sep 30 03:32:00 EDT 2008


Thanks, Stefan, I tried it but it didn't help!
(I wonder what the 2.5D option is for since the output seems to default to 2.5D)
/Kai

-----Ursprungligt meddelande-----
Från: Stefan Keller [mailto:sfkeller at gmail.com]
Skickat: den 29 september 2008 20:24
Till: Zimmerl Kai
Kopia: gdal-dev at lists.osgeo.org
Ämne: Re: [gdal-dev] ogr2ogr: How can I get GML output file in 2D?

There is an option for 2.5D ("-nlt polygon25d"), so you can try to add parameter "-nlt polygon".

-- Stefan

2008/9/25  <kai.zimmerl at srv.se>:
> Hi!
>
> I tried to use ogr2ogr to reproject/transform a gml file from epsg: 3021 to epsg:4326 but I get the output file in 2,5D (z=0) even though both epsg: 3021 and epsg:4326 are 2D.
>
> I need to have the result in 2D (with only x,y values).
>
> I use  FWTools2.2.6 and the command line: ogr2ogr -t_srs EPSG:4326
> -s_srs EPSG:3021 -f GML Output.gml Input.gml My input file content is attached below.
>
> Is there a solution to this?
>
> Best Regards
> Kai Zimmerl
>
>
> <?xml version="1.0" encoding="UTF-8" standalone="no"?><g:TATUKGIS
> xmlns:gml="http://www.opengis.net/gml"
> xmlns:g="http://www.tatukgis.com/GML"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xsi:schemaLocation="http://www.opengis.net/gml feature.xsd
> http://www.tatukgis.com/GML
> DispersionResult.xsd"><gml:description>Geographic Markup Language
> (GML)</gml:description><gml:name>Layer</gml:name><gml:boundedBy><gml:B
> ox><gml:coordinates>1623780.59514724,6580981.45879942
> 1627316.12905318,6583481.45879942</gml:coordinates></gml:Box></gml:bou
> ndedBy><gml:featureMember><g:PROPERTIES
> fid="UID.1"><g:CONC>17,6</g:CONC><g:UNIT>mg/mł</g:UNIT><g:COLOR>FF1E90
> FF</g:COLOR><g:LEGEND> &gt; ERPG-1 (17,5
> mg/mł)</g:LEGEND><g:GEOMETRY><gml:Polygon><gml:outerBoundaryIs><gml:Li
> nearRing><gml:coordinates>1625548.36210021,6580981.45879942
> 1623780.59514724,6583481.45879942 1627316.12905318,6583481.45879942
> 1625548.36210021,6580981.45879942</gml:coordinates></gml:LinearRing></
> gml:outerBoundaryIs></gml:Polygon></g:GEOMETRY></g:PROPERTIES></gml:fe
> atureMember><gml:featureMember><g:PROPERTIES
> fid="UID.2"><g:CONC>61,25</g:CONC><g:UNIT>mg/mł</g:UNIT><g:COLOR>FF1E9
> 0FF</g:COLOR><g:LEGEND> &gt; ERPG-1 (17,5
> mg/mł)</g:LEGEND><g:GEOMETRY><gml:Polygon><gml:outerBoundaryIs><gml:Li
> nearRing><gml:coordinates>1625548.36210021,6580981.45879942
> 1624369.85079823,6583064.79213275 1626726.87340219,6583064.79213275
> 1625548.36210021,6580981.45879942</gml:coordinates></gml:LinearRing></
> gml:outerBoundaryIs></gml:Polygon></g:GEOMETRY></g:PROPERTIES></gml:fe
> atureMember><gml:featureMember><g:PROPERTIES
> fid="UID.3"><g:CONC>105,1</g:CONC><g:UNIT>mg/mł</g:UNIT><g:COLOR>FFFFF
> F00</g:COLOR><g:LEGEND> &gt; ERPG-2 (105
> mg/mł)</g:LEGEND><g:GEOMETRY><gml:Polygon><gml:outerBoundaryIs><gml:Li
> nearRing><gml:coordinates>1625548.36210021,6580981.45879942
> 1624664.47862373,6582767.17308513 1626432.24557669,6582767.17308513
> 1625548.36210021,6580981.45879942</gml:coordinates></gml:LinearRing></
> gml:outerBoundaryIs></gml:Polygon></g:GEOMETRY></g:PROPERTIES></gml:fe
> atureMember><gml:featureMember><g:PROPERTIES
> fid="UID.4"><g:CONC>157,5</g:CONC><g:UNIT>mg/mł</g:UNIT><g:COLOR>FFFFF
> F00</g:COLOR><g:LEGEND> &gt; ERPG-2 (105
> mg/mł)</g:LEGEND><g:GEOMETRY><gml:Polygon><gml:outerBoundaryIs><gml:Li
> nearRing><gml:coordinates>1625548.36210021,6580981.45879942
> 1624959.10644922,6582496.61031457 1626137.6177512,6582496.61031457
> 1625548.36210021,6580981.45879942</gml:coordinates></gml:LinearRing></
> gml:outerBoundaryIs></gml:Polygon></g:GEOMETRY></g:PROPERTIES></gml:fe
> atureMember><gml:featureMember><g:PROPERTIES
> fid="UID.5"><g:CONC>210,1</g:CONC><g:UNIT>mg/mł</g:UNIT><g:COLOR>FFFF4
> 500</g:COLOR><g:LEGEND> &gt;
> IDLH</g:LEGEND><g:GEOMETRY><gml:Polygon><gml:outerBoundaryIs><gml:Line
> arRing><gml:coordinates>1625548.36210021,6580981.45879942
> 1625106.42036197,6582231.45879942 1625990.30383845,6582231.45879942
> 1625548.36210021,6580981.45879942</gml:coordinates></gml:LinearRing></
> gml:outerBoundaryIs></gml:Polygon></g:GEOMETRY></g:PROPERTIES></gml:fe
> atureMember></g:TATUKGIS>
>
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