On Tue, Aug 30, 2016 at 12:30 PM, Miguel Carrero <[email protected]> wrote: > Hi Anna, > > > > Thanks for replying. The problem seems to be related to r.viewshed. I tried > to run it as you sugggested, and it didn’t start. So, I removed it and > re-installed it, and gives me this error: > > > > Downloading precompiled GRASS Addons <r.viewshed>... > > ERROR: File is not a zip file: > http://wingrass.fsv.cvut.cz/grass70/x86_64/addons/grass-7.0.3/r.viewshed.zip >
r.viewshed is not an addon, but core module. If I remember correctly, there has been a problem with r.viewshed in 7.0.3 if you are running 64 bit GRASS. Try 7.0.4 or later. > > > Miguel. > > > > > > De: Anna Petrášová > Enviado: martes, 30 de agosto de 2016 16:22 > Para: Miguel Carrero > CC: GRASS user list > Asunto: Re: [GRASS-user] Problems with r.viewshed.cva > > > > Hi, > > > > On Tue, Aug 30, 2016 at 11:14 AM, Miguel Carrero > > <[email protected]> wrote: > >> 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@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) > > > > Module r.viewshed fails, so I would suggest changing > > observer_elevation to a number bigger than zero, although I am not > > sure if that's the problem. Then you can also try running r.viewshed > > itself for one of your points just to check it is running. > > > > Anna > > > >> > >> > >> 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. > >> > >> _______________________________________________ > >> grass-user mailing list > >> [email protected] > >> http://lists.osgeo.org/mailman/listinfo/grass-user > > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
