[Ubuntu] QGIS: unsupported SAGA version after last update -- ubuntugis-unstable channel

2019-07-23 Thread Domenico Mozzanica
Hello to everybody,
I use the ubuntugis-unstable and this week i upgraded all the ubuntugis
packages.
I saw the saga was updated to version 7.3.0.
Unfortunately QGIS doesn't recognize this version and saga plugings aren't
in sextante anymore.
In the logs i find "2019-07-22T20:44:40 CRITICALProblem with SAGA
installation: unsupported SAGA version (found: 7.3.0, required: 2.3.).
My distro is Ubuntu 18.04.

Please, could you check this problem?

Thanks
Domenico Mozzanica
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Re: [Ubuntu] QGIS: unsupported SAGA version after last update -- ubuntugis-unstable channel

2019-07-23 Thread Sebastiaan Couwenberg
On 7/23/19 8:27 PM, Domenico Mozzanica wrote:
> Please, could you check this problem?

No. Such is the fate of processing plugins.

SAGA 2.3.x was hopelessly outdated, and freezing that branch and dub it
LTS didn't really work out. It didn't break qgis often, but it also
didn't backport fixes to keep up with changes in the system. See how
much grief it caused in Fedora for example.

If projects when their processing plugin to not break when their project
is upgraded, they need to provide a stable API that QGIS can use. If
your project cannot do that, it shouldn't be a QGIS plugin.

The SAGA update is required to unblock to transition to PROJ 6, which is
much more important than keeping the QGIS plugin working. It sucks for
QGIS users of the SAGA plugin, you should voice your complaints to SAGA
upstream.

Kind Regards,

Bas

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Re: [Ubuntu] QGIS: unsupported SAGA version after last update -- ubuntugis-unstable channel

2019-07-23 Thread Domenico Mozzanica
Dear Sebastiaan,
thank for your explanation. I'll contact the SAGA team for this problem.

I hope they will fix it, as using SAGA by a plugin in QSIG it's powerfull
and very convenient.

Kind Regards,
Domenico Mozzanica

Il giorno mar 23 lug 2019 alle ore 20:43 Sebastiaan Couwenberg <
sebas...@xs4all.nl> ha scritto:

> On 7/23/19 8:27 PM, Domenico Mozzanica wrote:
> > Please, could you check this problem?
>
> No. Such is the fate of processing plugins.
>
> SAGA 2.3.x was hopelessly outdated, and freezing that branch and dub it
> LTS didn't really work out. It didn't break qgis often, but it also
> didn't backport fixes to keep up with changes in the system. See how
> much grief it caused in Fedora for example.
>
> If projects when their processing plugin to not break when their project
> is upgraded, they need to provide a stable API that QGIS can use. If
> your project cannot do that, it shouldn't be a QGIS plugin.
>
> The SAGA update is required to unblock to transition to PROJ 6, which is
> much more important than keeping the QGIS plugin working. It sucks for
> QGIS users of the SAGA plugin, you should voice your complaints to SAGA
> upstream.
>
> Kind Regards,
>
> Bas
>
> --
>  GPG Key ID: 4096R/6750F10AE88D4AF1
> Fingerprint: 8182 DE41 7056 408D 6146  50D1 6750 F10A E88D 4AF1
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Re: [Ubuntu] QGIS: unsupported SAGA version after last update -- ubuntugis-unstable channel

2019-07-23 Thread Johan Van de Wauw
Domenico,

Ubuntu 18.04 actually contains saga 2.3 in the universe repository. I'm
currently on holidays without access to a ubuntu machine, but you could try
sth like
apt install -t universe saga (someone with a bionic around, please check).
This should force the old version.
It was actually in discussion with QGis that the decision was made to make
7.3 the new LTR version. It should be quite easy to make processing support
this version, most modules would probably still work anyway.

Kind Regards,
Johan

On Tue, Jul 23, 2019, 20:43 Sebastiaan Couwenberg 
wrote:

> On 7/23/19 8:27 PM, Domenico Mozzanica wrote:
> > Please, could you check this problem?
>
> No. Such is the fate of processing plugins.
>
> SAGA 2.3.x was hopelessly outdated, and freezing that branch and dub it
> LTS didn't really work out. It didn't break qgis often, but it also
> didn't backport fixes to keep up with changes in the system. See how
> much grief it caused in Fedora for example.
>
> If projects when their processing plugin to not break when their project
> is upgraded, they need to provide a stable API that QGIS can use. If
> your project cannot do that, it shouldn't be a QGIS plugin.
>
> The SAGA update is required to unblock to transition to PROJ 6, which is
> much more important than keeping the QGIS plugin working. It sucks for
> QGIS users of the SAGA plugin, you should voice your complaints to SAGA
> upstream.
>
> Kind Regards,
>
> Bas
>
> --
>  GPG Key ID: 4096R/6750F10AE88D4AF1
> Fingerprint: 8182 DE41 7056 408D 6146  50D1 6750 F10A E88D 4AF1
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[Ubuntu] QGIS: unsupported SAGA version after last update -- ubuntugis-unstable channel

2019-07-23 Thread Pieter du Plooy
Domenico,

There is a QGIS plugin for QGIS higher than 3.4 that works with SAGA 7.2.

It is called SAGA nextgen.

It works as is under Windows with SAGA 7.3, and I'm pretty sure it would
work in Ubuntu if you change the provider.py file so that REQUIRED_VERSION =
'7.2.' becomes REQUIRED_VERSION = '7.3.'.

Hope this helps.

Pieter
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