[GRASS-user] Problems with r.viewshed.cva

[Miguel Carrero]

Dear all,

I am having problems with r.viewshed.cva addon. I've already re-installed
it several times, but the error continues.
Note that the routine is constrained to points in the current geographic
region.
Traceback (most recent call last):
  File "C:\Users\Miguel\AppData\Roaming\GRASS7\addons/script
s/r.viewshed.cva.py", line 174, in <module>
    main()
  File "C:\Users\Miguel\AppData\Roaming\GRASS7\addons/script
s/r.viewshed.cva.py", line 159, in main
    grass.run_command("r.viewshed", quiet = True,
overwrite=grass.overwrite(), flags=flagstring, input=elev,
output=tempry, coordinates=site[0] + "," + site[1],
**viewshed_options)
  File "C:\Program Files\GRASS GIS
7.0.3\etc\python\grass\script\core.py", line 394, in
run_command
    return handle_errors(returncode, returncode, args,
kwargs)
  File "C:\Program Files\GRASS GIS
7.0.3\etc\python\grass\script\core.py", line 312, in
handle_errors
    returncode=returncode)
grass.exceptions.CalledModuleError: Module run None
['r.viewshed', '--q', 'observer_elevation=0',
'input=dem_cm en Datos_viewshed_ejemplo',
'refraction_coeff=0.14286',
'coordinates=538892.79570571,4756461.28637303',
'memory=800', 'max_distance=-1', 'output=vshed_1\r',
'target_elevation=1.75'] ended with error
Process ended with non-zero return code -1073741701. See
errors in the (error) output.
(Tue Aug 30 17:08:17 2016) Comando finalizado. (0 segundos)


Hope anyone could help. I am using GRASS 7.0.3 in a Windows 10 laptop. I
tried to use it 7.0.4 version, and the error is the same as before, but
with:

WARNING: Illegal filename <vshed_1
>. Character <
> not allowed.


Thanks for the attention,

Best,

Miguel.
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