[GRASS-user] Installing r.viewshed add-on in GRASS 6.4.3 in Windows 7

Markus Neteler neteler at osgeo.org
Wed Dec 19 12:32:38 PST 2012

On Wed, Dec 19, 2012 at 9:19 PM, Brian Sanjeewa Rupasinghe
<jinkabs at gmail.com> wrote:
> Hi all,
> I am a newbie to GRASS


> and i recently installed GRASS 6.4.3 for Windows 7.
> When I try to add r.viewshed add-on, it gives an error as follows:
> g.extension.py extension=r.viewshed
> svnurl=http://svn.osgeo.org/grass/grass-addons/grass6
> Downloading precompiled GRASS Addons <r.viewshed>...
> ERROR: GRASS Addons <r.viewshed> not found
> (Wed Dec 19 20:17:56 2012) Command finished (1 sec)

Did you use the installation from the graphical user interface,

The addon for winGRASS is precompiled there:

I am not sure why this fails for you. Others, any idea?


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