[Qgis-user] Fwd: qgis - v.vol.rst from grass

[Luigi Pirelli]

follows these steps

1) install plugin "reload" that allow you to reload plugin (e.g.
processing) without restart qgis... this is useful to test your algoritm.
Btw, for the nature of some temporary path classes in aprocessing, the
plugin would continue to generate temporary stuffs in the session id of the
previous processing session... in few word, reload processiong can have
some side effects. btw this are side effects only for developers

2) clone the qgis code in https://github.com/qgis/QGIS
3) read carefully the guide in:
https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/grass7/grass7.txt
(r in your local clone)
4) find a similar grass algoritm to that has similar input or output
prameters => step 5
5) check how the interface is specified in one of descriptors in
https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/grass7/description
6) generate you new alg descriptor in
https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/grass7/description
7) copy the entire directory in the your local plugin directory (depends on
platform) or do a link directly to
https://github.com/qgis/QGIS/blob/master/python/plugins/processing/
8) reload processing plugin (or restart qgis) and test
9) open
https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/grass7/TODO.md
10) repeat from 6 until TODO list is empty ;)

cheers and thanks to add support to another algorithm... as you can see any
qgis user can develop the correct interface to grass algorithms giving an
important contribution to the community.

Luigi Pirelli

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*
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On Fri, 16 Nov 2018 at 01:38, Francois Chartier <fra.chartier at gmail.com>
wrote:

> Hi
>
> I am not a coder but i have some time and perseverence to integrate this
> module in qgis, but I would need guidance. Is anybody interested?
>  This tool would be great for a lot of discipline in environmental, soil
> sciences etc.
>
> On Mon, Oct 29, 2018, 04:12 Luigi Pirelli <luipir at gmail.com wrote:
>
>> Hi Francois
>>
>> is it just matter to create appropriate algorithm descriptop in qgis
>> core? e.g. doing a Pull Request (with tsts) to have the algoritym supported?
>>
>> This guid sould give you the appropriate hints
>> https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/grass7/grass7.txt
>> and obviously all the descriptors available in:
>>
>> https://github.com/qgis/QGIS/tree/master/python/plugins/processing/algs/grass7/description
>>
>> this is one of the QGIS part where users can help a lot adding new
>> backend algorithms with related tests. To create tests for a not tested
>> algorithms please see this guide:
>>
>> http://www.opengis.ch/2016/02/04/increasing-the-stability-of-processing-algorithms/
>>
>> a TODO list for grass is here:
>>
>> https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/grass7/TODO.md
>>
>> regards
>>
>> Luigi Pirelli
>>
>>
>> **************************************************************************************************
>> * LinkedIn: https://www.linkedin.com/in/luigipirelli
>> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
>> * GitHub: https://github.com/luipir
>> * Mastering QGIS 2nd Edition:
>> *
>> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
>> * Hire me: http://goo.gl/BYRQKg
>>
>> **************************************************************************************************
>>
>>
>> On Sun, 28 Oct 2018 at 16:01, Francois Chartier <fra.chartier at gmail.com>
>> wrote:
>>
>>> Hi
>>>
>>> Is the plugin v vol rst available from within qgis?  i didnt see it in
>>> the list of vector plugin from grass.
>>> i am looking for a 3d interpolator and i believe only grass can do this
>>> in open source.
>>> Are there other plugins that can do 3d interpolation?
>>> by 3d i am not referring to interpolation of elevation, but by
>>> interpolation of 3d dataset with xyz + attribute (ex: soil moisture), with
>>> data points vertically stacked, and would need to interpolate verically and
>>> horizontally.
>>>
>>> thks
>>> f
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>>
>>
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