[GRASS-user] Defining Environment variable for WinGRASS

Luisa Peña luisapena1979 at gmail.com
Thu Mar 31 14:00:49 EDT 2011

Hi Glynn
For instance if I define GDAL_DATA like that, If in the same script I run
grass.Popen(<command to external gdal executable) is  that defined GDAL_DATA
path applicable?

2011/3/31 Glynn Clements <glynn at gclements.plus.com>

> Luisa Peña wrote:
> > Is it possible to define a Environmental variable for Windows, like
> > GDAL_DATA, like this in a Python Script?
> >
> > os.environ['GDAL_DATA'] = <PATH>
> >
> > Is this possible? does this work?
> Yes.
> However, as each process has its own environment, it only affects the
> process running the script and any child processes spawned from the
> script. You can't modify the environment of other processes, e.g. the
> process which invoked the script.
> --
> Glynn Clements <glynn at gclements.plus.com>
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