Hi,
maybe your paths are mixed up from all those different updates and
versions you installed.
From my experience, updating versions of QGIS rarely runs smoothly, so I
always make "tabula rasa".
Under Windows, I uninstall everything connected with QGIS remove/rename
the .qgis2 folder and delete all registry entries of QGIS with regedit.
When reinstalling, I found the OSGEO4W-installer with advanced install
mode had the best results (but harder to understand).
If you want to go this way, be sure to write down all the plugins you
would like to have, save own scripts or model etc. to a safe place.
You might still have problems when your paths in the Windows enviroment
variables are twisted as well.
Just my 2cents. If other know better ways to solve those problems, please
comment.
Cheers
Bernd
Am 14.07.2015, 12:26 Uhr, schrieb Velizar Strumberger
<[email protected]>:
Hello to all
I am a great admirer of QGIS but I have a serious problem and I hope
that there is someone that can help me. I started working >with QGIS 2.2
(Valmiera) and it worked OK. I then (tried to) switched to QGIS 2.4 but
then GRASS, SAGA and R stopped working. I >have a laptop Windows 7 64
bit and a desktop Windows XP 32 bit. The phenomenons are the same.
Installing it as a standalone or with OSGeo4W gave the same results.
These are the problems:
GDAL: OK it woks
For GRASS 6 and 7: Missing dependency. This algorithm cannot be run :-(
This is for SAGA and TauDEM : Ooooops. The following output layers could
not be open
Channel Network C: and a log path ...........................
The above file(s) cannot be opened, which probably indicates that they
were not correctly produced by the executed algorithm.
For R: Missing dependency. This algorithm cannot be run :-(
Orfeo Toolbox:
OTB folder not configured. Please configure before running OTB
algorithms.
(This also didn't work in QGIS 2.2 but I didn't bother with his).
In the Processing->Options->Providers the paths for
GRASS 6.4.3 was C:/OSGeo4W64/apps/grass/grass-6.4.3/etc/grass-run.bat
and for MSYS
C:/OSGeo4W64/apps/msys/msys.bat
This is wrong because I installed a standalone version and there is no
OSGeo4W64 folder.
I corrected the paths for both and pressed OK. I opened the Providers
once again and saw that the two path were converted to the >"original"
ones that I "changed"; there is no way I can change the paths set up
during the installation
There is also a path for GRASS 7, but this was not installed.
I have the impression that parameters for the Providers is from the
previous installation through OSGeo4W - the previous >installation.
I truly believe that I did not uninstall or delete a file (I also think
that the first time I did not uninstall but just deleted >QGIS) that
determines such behavior because I also noticed the following:
When I install QGIS (any version) and install some plugins (which I
would never use - as a test) and open the toolbox with several
>providers and when I uninstall this version and install it once again I
find that the same plugins are installed and the toolbox >is opened
exactly the same as I left it in the previous installation.
I am not a computer wiz but just a humble geologist who wants to use
software for my work.
Help - or explanation how to correct this would be most welcome.
Regards
Dr. Strumberger
--
Bernd Vogelgesang
Siedlerstraße 2
91083 Baiersdorf/Igelsdorf
Tel: 09133-825374
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