[Qgis-user] Tools of Grass and SAGA do not work

[Jean-Roc Morreale]

Donovan > Both GRASS and SAGA are provided by the standalone version of 
QGIS 2.2

Le 2014-04-10 02:51, Saulteau Don a écrit :
> Hi Andres,
> 
> You probably just have to install GRASS [1] and SAGA [2] because those
> aren't included with QGIS. They are entirely separate software
> packages =)
> 
> Then you will probably have to configure the processing toolbox [3] so
> that the GRASS and SAGA tools can be used. Those can be found in the
> "providers" portion.
> 
> Another option is OSGeo4W [4] which provides an installer that will
> get all or any of the above for you (qgis, saga, grass, etc...).
> 
> Donovan
> 
> [1] http://grass.osgeo.org/download/software/ms-windows/ [3]
> [2] http://sourceforge.net/projects/saga-gis/ [4]
> [3] https://www.qgis.org/en/docs/user_manual/processing/3rdParty.html
> [5]
> [4] https://trac.osgeo.org/osgeo4w/ [6]
> 
> On Wed, Apr 9, 2014 at 3:00 PM, Andrés Ocaña Carretón
> <andresocaac at yahoo.es> wrote:
> 
>> Hi!
>> 
>> I has started to use QGis 2.2 Valmiera. The O.S. of my computer is
>> Windows Vista Home Premium 32 bits. I has downloaded QGis of
>> official website www.qgis.org [1]. I has used the QGis Standalone
>> Installer version 2.2 (32 bit).
>> 
>> When I run the tools GRASS and SAGA the following error message is
>> displayed:
>> 
>> "This algorithm requires GRASS (or SAGA) to be run. Unfortunately,
>> it seems that GRASS (or SAGA) is not installed in your system, or it
>> is not correctly configured to be used from QGIS"
>> 
>> How I can fix the problem?
>> 
>> Tanks