[GRASS-user] Pandas installation in GRASS GIS environment

[Dheeraj Chand]

This may also depend on how you have built GRASS on Mac. There are a few ways to do it, all of which are a big pain! Which technique did you use?

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> On Dec 20, 2021, at 5:42 AM, Veronica Andreo <veroandreo at gmail.com> wrote:
> 
> 
> Hi Gioia,
> 
> Have you tried with `pip3 install pandas` in the terminal? I guess the pandas you use within pycharm is in a virtualenv or so, and grass might not have access to it. I do not use Mac but I found this: https://www.geeksforgeeks.org/how-to-install-python-pandas-on-macos/
> 
> hope that helps
> Vero
> 
>> El dom, 19 dic 2021 a las 15:33, Gioia Blayer (<gioia.blayer at mail.huji.ac.il>) escribió:
>> Hello everyone, 
>> 
>> I am trying to install the module r.area.createweight in GRASS GIS version 7.8.6 on macOS Monterey 12.1. When I run the command g.extension r.area.createweight from the console in GRASS GIS I get the following error:
>> 
>> Fetching <r.area.createweight> from GRASS GIS Addons repository (be patient)...
>> ERROR: Pandas is not installed
>> Compiling...
>> [make: *** [r.area.createweight.tmp.html] Error 1
>> ERROR: Compilation failed, sorry. Please check the above error messages.
>> 
>> I do have Pandas because I use it for python in pycharm, but I do not understand how to install Pandas in the GRASS GIS environment. 
>> Hope someone can help me with this, I feel it's something quick and technical but I'm new to grass gis, so it takes me some time to learn it.
>> 
>> Thank you in advance for the time and help!
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