Johnn Wani wrote
> Dear GRASS GIS users,
> 
> I am a student from India. I am using *GRASS GIS 7.2.2 as a standalone* in
> Windows 10 operating system.
> 
> My aim is to use r.horizon module to calculate horizon at a point in my
> study area and save it to a .csv file. As I run the following command in
> the console window on GRASS GIS:
> 
> r.horizon -d --overwrite elevation=n34_e077_1arc_v3@PERMANENT direction=90
> step=22.5 coordinates=741302,3793829 file=C:\Users\user\horizon.csv
> 
> But I am receiving an error message as attached herewith. Earlier also I
> got the same error message but at that time it was due to non-alignment of
> my DEM.
> This time my DEM is aligned, here is the output of g.region -p command:
> 
>  g.region -p
> 
> projection: 3 (Latitude-Longitude)
> zone:       0
> datum:      wgs84
> ellipsoid:  wgs84
> north:      35:00:00.5N
> south:      33:59:59.5N
> west:       76:59:59.5E
> east:       78:00:00.5E
> nsres:      0:00:01
> ewres:      0:00:01
> rows:       3601
> cols:       3601
> cells:      12967201
> (Wed Mar 07 15:15:14 2018) Command finished (0 sec)

have you tried the example with the NC sample data set mentioned in the
manual?




-----
best regards
Helmut
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