[QGIS-ZA-user] Creating batch jobs from using Grass inside QGIS 3.4

[Zoltan Szecsei]

Ha!
Looks good.
Thanks Admire.
Regards,
Zoltan

On 2019/09/13 16:32, admire via qgis-za-user wrote:
> Hi Zoltan
>
>
> On 2019/09/13 14:43, Zoltan Szecsei via qgis-za-user wrote:
>> Hi Listers,
>> I'm using Grass 7.6 inside QGIS 3.4 (installed via OSGEO4W64)
>>
>> I'm needing to set up a chain of tasks involving rasterizing 
>> polygons, thinning them and putting them back into vector formats.
>> There are many steps involved, and I am experimenting with a large 
>> number of parameters available in each step - so doing this through 
>> the GUI is tedious.
>>
>> Is there a way to capture the grass commands and parameters I have 
>> chosen in the GUI?
>> I have traced much of them into users/appdata/local/blah blah, but 
>> then they reference other files wherein my GUI params are listed, and 
>> piecing this lot together, as my first attempt at using Grass, is not 
>> massively intuitive (no, I have not RTFM'd :-)  )
>
> If you are using the algorithms from the processing toolbox you simply 
> have to navigate to the Processing Menu > History and you will see 
> that each algorithm has been captured
>
> as a processing.run with all the parameters captures there. You can 
> then just run the processing.run() algorithms within the python 
> console or create a script that will incorporate them.
>
> Regards
>
>>
>> If I can create a batch file chaining all the steps together, I could 
>> then run and tweak that in powershell (or even cmd.exe)  - and test 
>> different options more quickly.
>>
>> Thanks for any pointers that might be offered.
>> Regards,
>> Zoltan
>> PS: Yes, I could go through the Grass manuals and see all the params, 
>> but hacking is so much easier :-)
>>
> _______________________________________________
> qgis-za-user mailing list
> qgis-za-user at lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/qgis-za-user

-- 

=============================================
Zoltan Szecsei GPrGISc 0031
Geograph (Pty) Ltd.
GIS and Photogrammetric Services

P.O. Box 7, Muizenberg 7950, South Africa.

Mobile: +27-83-6004028
Qatar:  +974 5083 2722     www.geograph.co.za
=============================================