[GRASS-user] Is mosaicing 24 bit images possible in Grass 6.2?

Dylan Beaudette dylan.beaudette at gmail.com
Thu Jul 3 21:28:02 EDT 2008


On Thursday 03 July 2008, Maciej Sieczka wrote:
> Hamish pisze:
> > Nagesh wrote:
> >> Is there a way to mosaic 24 bit images and to output it as
> >> a single 24 bit image?
>
> To export a 24 bit image make a group of the 3 bands (i.group) and
> export the *group* using r.out.gdal (gdal_translate can do that also
> from outside GRASS, if you choose it's input as a path to your group
> file). This way you don't loose data as it would be the case for
> r.composite.
>
> Note that you can nicely visualise GRASS raster groups in QGIS, if at
> adding the GRASS raster layer you choose a group.
>
> Maciek

This is an excellent tip. Is this documented anywhere?

Cheers,

Dylan

-- 
Dylan Beaudette
Soil Resource Laboratory
http://casoilresource.lawr.ucdavis.edu/
University of California at Davis
530.754.7341


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