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I use mac and when I try to use grass modules in qgis (brighton) I get a "cannot find module" message.

  • Have you tried Uninstall and install again? Please elaborate your question e.g. Are you in windows or not, all the other model is working etc? – SIslam May 25 '15 at 13:59
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He uses a Mac. For the procedure, look at Configuring external applications.

Check the path in Processing/Toolbox/Options/Providers/GRASS...

  • If you use the KyngChaos version, there is a GRASS GIS 6.x version integrated in the QGIS application bundle and the path is /Applications/QGIS.app/Contents/MacOS/grass
  • if you want to use another version of GRASS GIS, adapt the path, for example /Applications/GRASS-6.4.app/Contents/MacOSfor GRASS 6.x and /Applications/GRASS/GRASS-7.x.app/Contents/MacOSfor GRASS 7

If you use another version of QGIS (Homebrew, MacPorts, ...), it is the same thing

  • I don't find the tab called processing, where is that one? – me_its May 26 '15 at 9:46
  • You need to activate the processing extension in Plugins/ Manage and Install Plugins (Using Plugins) – gene May 26 '15 at 15:11
  • Thank you! The "processing" plugin gives this info: "This plugin is broken No module named general" Is it possible to fix? – me_its May 27 '15 at 14:56
  • How have you installed QGIS ? – gene May 28 '15 at 15:40
  • I downloaded the suggested files and drivers from qgis-hompage and installed qgis. – me_its May 28 '15 at 20:02

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