[GRASS-user] Help with r.landscape.evol

Nicholas Uwadia uwadianicholas at gmail.com
Tue Sep 11 18:54:49 PDT 2018

Thanks makus for your reply, i have added more details as required and also
the error experienced.
operating system :windows 10

this is the output command and error

Iteration 1 -- step 4: calculating divergence/difference of sediment
transport for each process and the actual amount of erosion or deposition
in vertical meters/cell/year


Running soft-knee smoothing filter...

Enacting additional "low" smoothing: one pass of a 3x3 modal smoothing

ERROR: Unable to load rules file

Traceback (most recent call last):

  File "C:\Users\Samy\AppData\Roaming\GRASS7\addons/scripts/
r.landscape.evol.py", line 681, in <module>

    main(x, (x + 1), prefx, statsout,  region1['nsres'], masterlist);

  File "C:\Users\Samy\AppData\Roaming\GRASS7\addons/scripts/
r.landscape.evol.py", line 509, in main

    grass.run_command('r.colors', quiet = "True", map =netchange, rules =

  File "C:\Program Files\GRASS GIS 7.4.0\etc\python\grass\script\core.py",
line 421, in

run_command     return handle_errors(returncode, returncode, args, kwargs)

  File "C:\Program Files\GRASS GIS 7.4.0\etc\python\grass\script\core.py",
line 332, in

handle_errors     returncode=returncode)

grass.exceptions.CalledModuleError: Module run None

['r.colors', '--q', 'rules=c:\\users\\samy\\appdata\\local\\

temp\\grass7-samy-7592\\tmpgyoapy', 'map=levol_ED_rate']

ended with error

Process ended with non-zero return code 1. See errors in the

(error) output.


On Tue, Sep 11, 2018 at 10:32 PM Markus Neteler <neteler at osgeo.org> wrote:

> On Sun, Sep 9, 2018 at 11:55 PM Nicholas Uwadia
> <uwadianicholas at gmail.com> wrote:
> >
> > hi
> > am trying to model gully erosion changes using the r.landscape.evol  i
> get an erros as the output to excel is blank.  i kindly as if there is any
> tutorial using this tool that can guide me.
> Please post more details - which operating system, which GRASS GIS
> version and which error message appears.
> Markus
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/grass-user/attachments/20180912/27f8a1f0/attachment.html>

More information about the grass-user mailing list