[GRASS-user] r.viewshed Python Script OSError

[Martin Lacayo]

Hi Markus,

I did install r.viewshed (it is located in ~/.grass6/addons/), and the
full path does appear in $PATH.

I am executing the Python script from outside of GRASS. Is this
normal? I am hoping for some advice on this. The intent is to liberate
some software (naturalcapitalproject.org) from ArcGIS for users on
Windows.

When I start GRASS (in text mode) it says "Welcome to GRASS 6.4.2 (2012)."

Thank you,
Martin

On Sun, May 26, 2013 at 1:27 PM, Markus Metz
<markus.metz.giswork at gmail.com> wrote:
> On Fri, May 24, 2013 at 11:32 PM, Martin Lacayo <mlacayo at stanford.edu> wrote:
>> Hello,
>>
>> I am using GRASS 6.4 on Debian. I am trying to make a call to
>> r.viewshed from Python, but it fails with the following exception:
>>
>> OSError: [Errno 2] No such file or directory
>>
>> Any suggestions?
>
> Did you install r.viewshed?
>
> Where is the r.viewshed binary?
>
> Is the location of r.viewshed in the PATH (within GRASS, test with
> "echo $PATH")?
>
> Did you execute the python script from within GRASS?
>
> Which GRASS 6.4 version are you using? Recommended is 6.4.3.svn.
>
> Markus M