[GRASS-user] Can someone help me troubleshoot GRASS on Windows 10

[Helmut Kudrnovsky]

Eric Eagle wrote
> Hi GRASS users,
> 
> Longtime GIS'er but newbie to GRASS.  I've never been able to get it to
> work properly on my workstation and have always fallen back on Esri or,
> QGIS built-in functions.  Now I am in a situation where I have to get
> GRASS to work because it seems like the fastest way to do some hydro
> things.  I am trying to use it inside of QGIS 3.12.
> 
> Here is my problem.  I have a UTM-projected DEM as input, I just want to
> run r.flow and it fails, reporting:
> 
> "The following layers were not correctly generated. 
> C:/Users/username/AppData/Local/Temp/1/processing_ipancU/89aab5fc64c6999046d99c2e0028b/flowaccumulation.tif
> C:/Users/username/AppData/Local/Temp/1/processing_ipancU/bded4092193446b883446b88344c55272310fa8/flowlength.tif
> C:/Users/username/AppData/Local/Temp/1/processing_ipancU/f4a65331b4ef4fa5a6b2ba826efdd9b4/flowline.gpkg
> 
> You can check the 'Log Messages Panel' in QGIS main window to find more
> information about the execution of the algorithm."
> 
> 
> However, when I check the log messages panel, here is what I see:
> 
> Grass7 tab: only INFO level messages showing the original command payload
> 
> all the other tabs: nothing
> 
> So, not much given to troubleshoot.  This behavior happens with *every*
> GRASS tool I try to run, including even v.buffer.  So something is
> definitely not right.
> 
> *About my setup*
> 
> I do not have admin access rights to my workstation as this is a
> production box in a big enterprise.  However I do have access to write to
> C:/ directories outside of the typical locked down stuff (Program Files,
> Program Files (x86), etc).  I have QGIS currently installed to C:\QGIS_3
> and GRASS sits under that.  The workstation is not connected to the
> internet in case that matters.

some more details are needed:

* which GRASS GIS version used
* g.proj -p output
* g.region -p output
* exact command failing

I guess it has nothing to do with windows 10. works here on several windows
10 boxes.




-----
best regards
Helmut
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