[GRASS-user] Pandas installation in GRASS GIS environment

[Gioia Blayer]

Thank you Dheeraj! Sure, let me know how it goes.

Gioia


On Mon, 20 Dec 2021, 16:20 Dheeraj Chand, <dheeraj at dheerajchand.com> wrote:

> Let me try this when I get to my desk. My suspicion is that the Python
> that GRASS is using does not have Pandas and that the path inside the
> self-contained binary’s terminal does not easily give you access to the
> foundation libraries you’ll need to install it.
>
> Let me check and let you know.
>
> Sent from my iPhone
>
> On Dec 20, 2021, at 7:57 AM, Gioia Blayer <gioia.blayer at mail.huji.ac.il>
> wrote:
>
> 
> Thank you all for the reply and help,
>
> Veronica - I tried according to the link sent but unfortunately it still
> doesn't work.
>
> Dheeraj - I downloaded GRASS GIS 7.8.6 from the link on the website
> https://grass.osgeo.org/download/mac/ and followed the instructions
> given. Is this what you meant?
>
> Overall I am able to install Add-ons, it's just with the add-ons that
> depend on python packages (like r.area.createweight that depends on pandas
> and scikit-learn) that I have difficulty in installing the relevant
> packages in GRASS GIS python environment. Maybe I'm missing something - I
> will try to remove and re-install the program from scratch.
>
> Thanks again!
>
>
> On Mon, Dec 20, 2021 at 3:19 PM Dheeraj Chand <dheeraj at dheerajchand.com>
> wrote:
>
>> 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?
>>
>> Sent from my iPhone
>>
>> 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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