Dennis,
You either have to know the absolute path to gdal_polygonize.py or have
its location on your system path to make that work. And I also recommend
the subprocess module instead of the deprecated os.system.
import subprocess
subprocess.check_output(
['/PATH/TO/gdal_polygonize.py',
'-f KML',
'tmp.4.vrt',
'tmp.5.kml'])
The gdal_polygonize.py script is a very thin wrapper around the
gdal.Polygonize() function. Shelling out from a Python script to another
Python script is kind of round-a-bout – you could just grab the
gdal_polygonize.py code and reuse it in your Python program.
On 1/16/14, 9:53 AM, Dennis Burgess wrote:
Runing a command to do a gdal_polygonize, the gdal_translate and org2org
functions work just ifne, just not poloygoize..??
os.system('gdal_polygonize tmp.4.vrt -f KML tmp.5.kml')
I get :
python: can't open file '\bin\gdal_polygonize.py';: error 2, no such
file or directory
any thoughts, windows gdal using osgeo4w
*_Dennis Burgess,_**//*
--
Sean Gillies
s...@mapbox.com
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