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Today's Topics:
1. Fwd: Re: mapcalc/mapcalculator in python script
(Johannes Radinger)
----------------------------------------------------------------------
Message: 1
Date: Thu, 03 Feb 2011 17:19:23 +0100
From: "Johannes Radinger" <jradin...@gmx.at>
Subject: [GRASS-windows] Fwd: Re: mapcalc/mapcalculator in python
script
To: grass-windows@lists.osgeo.org
Message-ID: <20110203161923.252...@gmx.net>
Content-Type: text/plain; charset="utf-8"
Hello,
I posted the same problem already at the GRASS-user list, but
I think here is the better platform:
my Problem is that I run WinGRASS 6.5SVN and want to use
the grass.mapcalc function in python but it doesn't work.
I am running excactly:
> grass.mapcalc("$upstream_shreve = if(${upstream_part},${shreve})",
> upstream_shreve = options['upstream_shreve'],
> upstream_part = options['upstream_part'],
> shreve = options['shreve'])
and according to users this code should work but it doesn't. I get following
answer from the python shell:
Traceback (most recent call last):
File "C:\Users\XY\Documents\Pyhton Scripts\test3.py", line 40, in <module>
sys.exit(main())
File "C:\Users\XY\Documents\Pyhton Scripts\test3.py", line 32, in main
upstream_shreve = options['upstream_shreve'],
KeyError: 'upstream_shreve'
does anyone know what the problem is? It is assumed that it is a bug...
all other grass.run_commands are working...it's just the mapcalculator...
I'm somehow bound to 6.5 as there is also the r.stream.* module integrated in
the install-package.
thank you
cheers
johannes
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