[GRASS-user] RES: v.centerline addon

[Moritz Lennert]

MarkusM just merged the PR so you can reinstall the extension and see if it works with your python 3 installation now.

Moritz

Am 6. März 2020 17:34:12 GMT+01:00 schrieb Moritz Lennert <mlennert at club.worldonline.be>:
>Hi César,
>
>Micha Silver sent a pull request that should solve your issue [1], but
>I currently do not have the access necessary to merge.
>
>If one of the other developers can do it, please feel free, otherwise
>I'll do it on Monday.
>
>Moritz
>
>[1]
>https://github.com/OSGeo/grass-addons/commit/20f8becac918dbd2d81368e9a305e62fcb53efc9
>
>Am 5. März 2020 11:37:14 GMT+01:00 schrieb cesar at fototerra.com.br:
>>Hi Moritz and colleagues!!
>>
>> 
>>
>>Thank you for write and being help me. About the python version make
>>sense
>>because I’m using Python 3.7.
>>
>> 
>>
>>I’ll try install Python 2.x and run again the addon v.centerline and
>>I’ll
>>tell about the result.
>>
>> 
>>
>>Tks.
>>
>> 
>>
>>César de Paula
>>
>> 
>>
>>De: Moritz Lennert <mlennert at club.worldonline.be> 
>>Enviada em: quinta-feira, 5 de março de 2020 05:10
>>Para: cesar at fototerra.com.br; grass-user at lists.osgeo.org
>>Assunto: Re: [GRASS-user] v.centerline addon
>>
>> 
>>
>> 
>>
>>On 4/03/20 18:10, cesar at fototerra.com.br
>><mailto:cesar at fototerra.com.br>
>>wrote:
>>
>>Hello!!!
>>
>> 
>>
>>I’m new user on GRASS and I’m trying to execute the addon v.centerline
>>on
>>GRASS 7.9. As input I’m using a shapefile containing line
>>(MultiLineString)
>>as geometry and when I have run the v.centerline an erro is returning:
>>
>> 
>>
>>“Traceback (most recent call last):
>>
>>  File "C:\Users\cesar\AppData\Roaming\GRASS7\addons/scripts
>>
>>/v.centerline.py", line 319, in <module>
>>
>>    main()
>>
>>  File "C:\Users\cesar\AppData\Roaming\GRASS7\addons/scripts
>>
>>/v.centerline.py", line 111, in main
>>
>>    segment_input += 'P ' + category.strip()
>>
>>TypeError: can only concatenate str (not "bytes") to str
>>
>>(Wed Mar  4 17:27:25 2020) Comando terminado (3 segundos)
>>
>>
>>(Wed Mar  4 17:27:25 2020)
>>
>>
>>v.centerline input=Linha_rio_teste_Centerline at PERMANENT output=teste
>>range=2
>>refline=2
>>
>>Traceback (most recent call last):
>>
>>  File "C:\Users\cesar\AppData\Roaming\GRASS7\addons/scripts
>>
>>/v.centerline.py", line 319, in <module>
>>
>>    main()
>>
>>  File "C:\Users\cesar\AppData\Roaming\GRASS7\addons/scripts
>>
>>/v.centerline.py", line 111, in main
>>
>>    segment_input += 'P ' + category.strip()
>>
>>TypeError: can only concatenate str (not "bytes") to str
>>
>>(Wed Mar  4 17:27:28 2020) Comando terminado (2 segundos)”
>>
>> 
>>
>>I would like help to try understand what’s happening.
>>
>> 
>>
>>I would guess that this is a Python 3 vs Python 2 issue. I never
>>updated the
>>addon to Python 3. If someone else can do this, it would be great, as
>>I'm
>>currently on mission abroad and do not really have the necessary
>access
>>to
>>the development tools to do this from here.
>>
>> 
>>
>>Moritz
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