[Qgis-user] QGIS 3.24 Ubuntu

[Piet]

Hello Angeles,

For your second question: Maybe you can compile an older version of Qgis by using  Github 

https://github.com/qgis/QGIS

How to uninstall Qgis is depending on the way you use to install it before, I guess.

But it would be possible to use different versions of Qgis as well (Keep your actual version
and compile Qgis in a separate folder).

Kind regards

Piet





Am 04/21/  schrieb Angeles Raphaël Saul via Qgis-user:
>    Dear QGIS community,                                                         
>                                                                                 
>    I have two questions : Do you know how to install easily pcraster on         
>    ubuntu ? How can I uninstall the latest version of QGIS 3.24 and get an      
>    older version of QGIS on ubuntu ?                                            
>                                                                                 
>    Situation : I am a recent ubuntu user and I need to install pcraster for     
>    advanced watershed calculations. Apparently it is possible to install        
>    it using anaconda-navigator, so I first needed to install anaconda using     
>    this tutorial                                                                
>    : [1]https://gisunchained.wordpress.com/2019/05/29/using-qgis-from-conda/.   
>    But once QGIS 3.18.3 installed and opened, any plugin utilization do not     
>    work at all. For example, applying strahler order tool from SAGA on a DEM    
>    does not work. Every time, the python error is :                             
>                                                                                 
>      WARNING    Traceback (most recent call last):                              
>                                                                                 
>      File                                                                       
>      "/home/raphael/anaconda3/envs/demonstration/share/qgis/python/plugins/processing/gui/AlgorithmDialog.py",
>      line 194, in runAlgorithm                                                  
>                                                                                 
>      self.cancelButton().setEnabled(self.algorithm().flags() &                  
>      QgsProcessingAlgorithm.FlagCanCancel)                                      
>                                                                                 
>      TypeError: setEnabled(self, bool): argument 1 has unexpected type          
>      'Flags'                                                                    
>                                                                                 
>    Thus I tried to install QGIS 3.24 via this                                   
>    link [2]https://www.qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu to
>    see if the problem can be resolved with a more recent version. The problem   
>    is that this tutorial is not for a conda environment, so now I want to       
>    uninstall 3.24 to go to an older and more stable version and I don't know    
>    how to do it. If I install and uninstall QGIS, the version 3.24 still        
>    appears. Moreover, I still don't have pcraster installed and operational     
>    which I need the most.                                                       
>                                                                                 
>    Thank you in advance for your precious answer and have a good night!         
>                                                                                 
>    Raphaël                                                                      
> 
> References
> 
>    Visible links
>    1. https://gisunchained.wordpress.com/2019/05/29/using-qgis-from-conda/
>    2. https://www.qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu

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-- 


Kind regards

Piet


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