[gdal-dev] gdal_polygonize losing the projection info?

Frank Warmerdam warmerdam at pobox.com
Tue Oct 14 12:57:48 EDT 2008


Tyler Erickson wrote:
> I have been trying to use gdal_polygonize to convert a TIF to an ESRI
> Shapefile, but it seems to be losing the projection information (i.e. no
> *.prj file is created). 
> 
> The following output illustrates the loss of projection information. 
> I'm currently using gdal trunk revision 15512.
> 
> Any suggestions on how to keep the projection info?

Tyler,

This was a problem with the gdal_polygonize.py script.  I have modified it
to preserve the coordinate system when creating an output file in subversion.

http://svn.osgeo.org/gdal/trunk/gdal/swig/python/scripts/gdal_polygonize.py

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent



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