[GRASS-user] From GRASS to postgis - srid 900914 using v.out.ogr

GRASS GRASS user
,
1

Dear all,

exporting a GRASS vector in Postgis suing v.out.ogr the geometry srid is not conserved and I obtain a table with srid = 900914.

There is a way to force the srid export of a grass vector using v.out.ogr?
Something like the “-a_srs” option of the ogr2ogr command.

Many thanks in advanced.
Roberto

2

Hi Roberto,

My experience is that it’s just best to export from GRASS as a shapefile and then import into PostGIS, specifying the coordinate system as I import. That’s for that very reason - otherwise the coordinate system seems not to make it out of GRASS, or perhaps it’s PostGIS that can’t read it, not sure.

Best,
Daniel

–

B.Sc. Daniel Lee
Geschäftsführung für Forschung und Entwicklung
ISIS - International Solar Information Solutions GbR
Vertreten durch: Daniel Lee, Nepomuk Reinhard und Nils Räder

Softwarecenter 3
35037 Marburg
Festnetz: +49 6421 379 6256
Mobil: +49 176 6127 7269
E-Mail: Lee@isi-solutions.org
Web: http://www.isi-solutions.org

2012/5/14 Roberto Marzocchi <roberto.marzocchi@gmail.com>

Dear all,

exporting a GRASS vector in Postgis suing v.out.ogr the geometry srid is not conserved and I obtain a table with srid = 900914.

There is a way to force the srid export of a grass vector using v.out.ogr?
Something like the “-a_srs” option of the ogr2ogr command.

Many thanks in advanced.
Roberto

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3

On Mon, May 14, 2012 at 4:52 PM, Daniel Lee <lee@isi-solutions.org> wrote:

My experience is that it's just best to export from GRASS as a shapefile and
then import into PostGIS, specifying the coordinate system as I import.
That's for that very reason - otherwise the coordinate system seems not to
make it out of GRASS,

While I would not expect that/if so consider it to be a bug, could you try to
enable debug output?

g.gisenv set=DEBUG=3

The output may give ideas.

Use
g.gisenv set=DEBUG=0
to disable then debug output.

Markus

or perhaps it's PostGIS that can't read it, not sure.

Best,
Daniel

--

B.Sc. Daniel Lee
Geschäftsführung für Forschung und Entwicklung
ISIS - International Solar Information Solutions GbR
Vertreten durch: Daniel Lee, Nepomuk Reinhard und Nils Räder

Softwarecenter 3
35037 Marburg
Festnetz: +49 6421 379 6256
Mobil: +49 176 6127 7269
E-Mail: Lee@isi-solutions.org
Web: http://www.isi-solutions.org

2012/5/14 Roberto Marzocchi <roberto.marzocchi@gmail.com>

Dear all,

exporting a GRASS vector in Postgis suing v.out.ogr the geometry srid is
not conserved and I obtain a table with srid = 900914.

There is a way to force the srid export of a grass vector using
v.out.ogr?
Something like the "-a_srs" option of the ogr2ogr command.

Many thanks in advanced.
Roberto

---

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