All Questions
Tagged with grass.script python
28 questions
1
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1
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60
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Importing GRASS GIS into another Python Environment on Windows
How do I access GRASS GIS modules from inside a brand new Python environment such as venv, pipx, uv, pixi, or just regular Python?
- 23
1
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0
answers
145
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GRASS paths in Python standalone from QGIS install
I am trying to access GRASS from Python (Spyder).
I have:
Installed via pip install grass-session
Started GRASS from OSGEO4W, loaded the mapset and location
Started Spyder from Anaconda
Tried to ...
- 381
1
vote
1
answer
93
views
Looping GRASS "v.extract" in python
I have a multipolygon shapefile representing different cities. I am trying to loop the "v.extract" GRASS command through the different polygons via the Python interface.
This is the code I ...
- 103
2
votes
1
answer
458
views
How to use Python packages (GeoPandas, rioxarray) inside GRASS Python scripts?
I want to combine the functionality of GRASS GIS with other Python packages such as GeoPandas and rioxarray. My OS is Windows. It is possible to import other standard packages such as numpy and Pandas....
2
votes
0
answers
281
views
Problems with python GRASS module setup outside GRASS
I currently have GRASS version 78 installed with my OSGEO4W. I am trying to utilize the boilerplate instructions here to call the GRASS module in my python script outside of the GRASS console (ie in ...
- 1,975
2
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1
answer
1k
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How to fix "No module named grass.script" error in Linux PyCharm?
I'm trying to use v.generalize in the GRASS GIS library within a python code in PyCharm on my Linux Ubuntu system to make a shapefile that originally was a raster look less "blocky" by ...
- 231
1
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1
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147
views
Can't access rasters from PERMANENT mapset from Python
I'm having trouble accessing files from my PERMANENT mapset in the Python code editor inside GRASS.
I am able to access the raster I would like to set my projection to from the console, but for some ...
1
vote
0
answers
235
views
Errors Running Some Commands in GRASS Standalone Script
After much struggle I have managed to get a GRASS standalone script run outside of GRASS. I can successfully get an output from running some commands, while others give a very unclear and unhelpful ...
- 77
1
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1
answer
644
views
Error while performing actions in GRASS GIS in Python
While performing actions in python console as described in the module of GRASS GIS,am getting following error:
import grass.script as gs
r.in.gdal -e input="D:...\ASTGTMV003_N19E073_dem" ...
- 67
3
votes
0
answers
220
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CalledModuleError: Module run None g.gisenv -n ended with error
I am trying to use r.horizon GRASS module(version GRASS 7.8) in Python script. But I couldn't able to access the grass modules. Everytime, I am getting the following error.
File "C:\OSGEO4~1\apps\...
0
votes
1
answer
41
views
GRASS GIS 7.8 trigometric function of vector attribtue
I need to calculate the sin and cos of a vector attribute column, but these functions do not appear to be available. In Python I've tried using v.db.update:
gscript.run_command('v.db.update', map='...
1
vote
1
answer
66
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run r.random through script in python shell
Trying to run r.random using the script but receiving an error message. It works when the module is run outside of the python shell so it must be te code, I'm new to this so I can't figure out what is ...
- 13
0
votes
1
answer
82
views
Creating reclass-rules-textfile within Simple Python Editor of GRASS GIS
We are writing a script with the simple Python editor (GRASS GIS).
We try to set the rules for a reclass command within the script (without creating a txt.file manually).
Is it possible to set the ...
- 1
2
votes
1
answer
165
views
Creating cumulative friction map
I am looking at bottom friction (Manning's n) values in relation to storm surge as large volumes of water flow over a surface.
In order to calculate total head loss occurring as water passes from the ...
1
vote
1
answer
288
views
Setting variable from input map in GRASS python script?
I'm currently working on a GRASS script that takes maps from user input and computes them into a mapcalc expression. The issue i'm stucked with that when i ask for the map i can't set a variable name ...
- 100