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I'm converting a vector (loaded in GRASS plugin in QGIS (1.7.0.-wroclaw) and would like to convert this to a raster with a defined cell size. At the same time I need a value from the attribute tabel to be used as raster value.

This tool: v.to.rast.attr

looks promising. however, I cannot define the output cell size, or a snap raster. In ArcGIS (esri) this is quite easy. Is there a way to do the same in QGIS?

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In GRASS you define the raster cell size for each raster operation by setting the REGION parameters. In QGIS you find the proper button in the GRASS toolbar.

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  • > > > In GRASS you define the raster cell size for each raster operation by > setting the REGION parameters. In QGIS you find the proper button in > the GRASS toolbar. Where Grass toolbar? could u explain more ? – user7664 May 21 '12 at 12:36
  • Have a look to the QGIS user manual, there is an entire chapter about the QGIS/GRASS integration and it describes very well all the meaning of the buttons in the GRASS toolbar. – Giovanni Manghi Jun 30 '12 at 15:12
  • there's nothing like a good ol' RTFM answer... – Alex Apr 4 '17 at 2:08
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Once the mapset is enabled, go to

Plugins - GRASS - Edit Current GRASS region

Change the cell size under 'Resolution'

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