[Qgis-developer] (Yet again) SAGA support badly broken in QGIS

[Tim Sutton]

Hi


> On 31 May 2016, at 20:44, Victor Olaya <volayaf at gmail.com> wrote:
> 
> My opinion about this (and getting stronger each time, since the
> situation is getting worse...) is that we have only two solutions:
> 
> 1) fork SAGA and have QGIS depend on that forked software, which we
> will (in principle) not upgrade.
> 2) embed a fixed version of SAGA, and use only that one. SAGA should
> be treated like a library: we support a given version, and not all
> version of it. If you want to use a different one, you cant (just like
> QGIS uses Python2 and a user cannot use Python3)
> 
> I will be happy to discuss about this.

Yes I chatted with Victor about this at the HF and if we want processing to become something everyone can depend on to work reliably in their workflows then his way seems like a very good approach. Same approach for SAGA etc.

Regards

Tim


> 
> 2016-05-31 20:01 GMT+02:00 Paolo Cavallini <cavallini at faunalia.it>:
>> Hi all,
>> SAGA dev team have changed (2.2.7) once more a crucial parameter [0], so
>> raster commands (probably all) are broken in QGIS/Processing.
>> IMHO it is infeasible to chase breaking changes in point releases, so I
>> suggest either saga devs stop breaking compatibility, except for major
>> releases, or Debian stop upgrading the package not to break qgis support.
>> Opinions most welcome.
>> All the best.
>> ===
>> [0]
>> 2016-05-31T17:54:27     0       SAGA execution commands
>>                        io_gdal 0 -TRANSFORM 1 -INTERPOL 0 -GRIDS
>> "/tmp/processingf62696a290e44432ac8de6028ba6582c/be2c1f4c868e48a79eb2098c6a769cfc/InterpolatedRST.sgrd"
>> -FILES
>> "/tmp/processingf62696a290e44432ac8de6028ba6582c/a8fde485740144b7a3218a71f41b2168/elevation.tif"
>> ...
>> Risultato della console di esecuzione di SAGA
>>                        Unknown option 'INTERPOL'
>> --
>> Paolo Cavallini - www.faunalia.eu
>> QGIS & PostGIS courses: http://www.faunalia.eu/training.html
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—






Tim Sutton

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