[Qgis-user] qgis and grass7

[Radim Blazek]

On Thu, Jul 2, 2015 at 4:59 PM,  <b.j.kobben at utwente.nl> wrote:
> Hi Radim,
>
> Which of the two (if any) does allow Grass7 to be used in the processing
> toolbox...?

The processing is independent, you can use processing with GRASS 6 or
GRASS 7 regardless what provider/plugin is compiled.

Radim

> --
> Barend Köbben
> Senior Lecturer ­ ITC-University of Twente
> PO Box 217, 7500 AE Enschede (Netherlands)
> @barendkobben
> http://www.itc.nl/geoinformatics
>
>
>
>
>
> On 02-07-15 09:04, "Radim Blazek" <radim.blazek at gmail.com> wrote:
>
>>On Wed, Jul 1, 2015 at 4:06 PM, Gustavo Martínez <gmpuljak at yahoo.com.ar>
>>wrote:
>>> Hello,
>>>
>>> I've been working with Qgis 2.8 in Linux Mint 17-64bit without
>>>problems. The
>>> only error I've found in my use case was when I tried to connect with
>>> Grass7.
>>> When looking in the web, I noticed that the grass plugin will be
>>>updated for
>>> grass7 in Qgis 2.10.
>>
>>GRASS support in QGIS has two parts: provider and plugin. The provider
>>was upgraded to GRASS 7 in QGIS 2.10 and it allows to browse GRASS
>>data in QGIS browser, display maps, import data to GRASS by drag and
>>drop and manage GRASS maps (copy, rename, delete). Upgrade of the
>>plugin (modules, editing, region, mapsets) is scheduled for QGIS 2.12.
>>
>>> I've installed the 2.11.0-Master from:
>>>
>>> deb http://qgis.org/ubuntugis-nightly trusty main
>>>
>>> With this version, I have the same problem. When I open the qgis log it
>>> shows:
>>>
>>> 2015-07-01T10:32:58 1 No se pudo cargar
>>> /usr/lib/qgis/plugins/libgrassplugin6.so (motivo: Cannot load library
>>> /usr/lib/qgis/plugins/libgrassplugin6.so: (libgrass_vect.so: no se puede
>>> abrir el archivo del objeto compartido: No existe el archivo o el
>>> directorio))
>>>
>>> libgrass_vect.so does not exist. I tried creating a link to
>>> libgrass_vector.7.0.so but qgis does not starts and shows a message of
>>> segment violation.
>>
>>Since version 2.10, QGIS  may be compiled with GRASS 6, GRASS 7 or
>>both. All provider/plugin libs and binary modules have GRASS major
>>version suffix, for example libgrassplugin6.so supports GRASS 6, it is
>>linked to GRASS 6 libs and it won't work with GRASS 7 libs. You need
>>libgrassplugin7.so, libgrassprovider7.so and so on, if it is not
>>present in ubuntugis-nightly, it means that the package in the distro
>>was not built with GRASS 7. And of course, you also need GRASS 7
>>package. I am not sure about policy for Ubuntu, but Debian for
>>example, AFAIK, decided to switch from GRASS 6 to GRASS 7 without
>>transition period with parallel support for both versions.
>>
>>> Is there anything I can do?
>>
>>I see grass 7.0.0-1~exp2~trusty3  in
>>https://launchpad.net/~ubuntugis/+archive/ubuntugis-unstable, so it
>>should be possible to compile
>>libqgisgrass*2.11.0*trusty-ubuntugis_*.deb with GRASS 7. I don't see
>>GRASS 6 for trusty however , it implies the same policy as Debian? Can
>>UbuntuGIS and QGIS ubuntugis-nightly maintainers comment?
>>
>>Radim
>>
>>>
>>> Many thanks,
>>>
>>>
>>>
>>> Gustavo
>>>
>>>
>>> --
>>> Gustavo Martínez
>>> Skype: gmpuljak
>>> Linkedin: http://ar.linkedin.com/in/gustavomartínezpuljak
>>>
>>> ³Que la tierra se vaya haciendo camino ante tus pasos,
>>> que el viento sople siempre a tus espaldas,
>>> que el sol brille cálido sobre tu cara,
>>> que la lluvia caiga suavemente sobre tus campos y,
>>> hasta tanto volvamos a encontrarnos,
>>> que Dios te lleve en la palma de su mano.²
>>>
>>>
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