[Qgis-developer] Improving ftools geoprocessing tools

Matthias Kuhn matthias at opengis.ch
Thu Oct 22 08:15:41 PDT 2015


Giovanni,

Would (some of) these datasets be suitable to include in unit tests for
processing?
It would be very interesting to have these available for this purpose.

Matthias

On 10/22/2015 05:07 PM, Giovanni Manghi wrote:
> On Thu, Oct 22, 2015 at 3:27 PM, Victor Olaya <volayaf at gmail.com> wrote:
>>> The issue here is about the lousy performances (and even wrong
>>> results) of the native qgis vector geoprocessing tools. I think we all
>>> agree that qgis should have a few (at least the most commonly used)
>>> ones, without depending on any 3rd party software.
>> I fully agree on that
>>
>> Do we have any benchmark or list of those algorithms with very bad
>> performance or that give wrong results? I don't think that all of them
>> behave so badly, so it would be good to have more detail about where
>> we should be focusing our efforts in this
>
> great, so I would suggest try underestand why the tools here
>
> https://github.com/qgis/QGIS/blob/master/python/plugins/fTools/tools/doGeoprocessing.py
>
> are so bad with such "problematic" datasets (that I can easily
> provide). If is possible to do something
> then take João company offer use it to improve the situation, then we
> can decide with calm were to put the
> shortcuts :)
>
> cheers!
>
> -- G --
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> Qgis-developer at lists.osgeo.org
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