[GRASS-user] Not being able to produce decent-look color-composites

Markus Neteler neteler at osgeo.org
Mon Feb 13 11:22:50 EST 2012

On Mon, Feb 13, 2012 at 12:50 PM, Luisa Peña <luisapena1979 at gmail.com> wrote:
> Greetings
> I'have 3 layers of Landsat (Green, Red and Near-Infrared) and I'm trying to
> produce a false-color composite (r.composite( with those but... I'm getting
> very frustrated because I'm producing very bad look composites. My layers
> are reflectances from 0-1.8 or something. Shall I rescale them to 0-255?

Did you try with i.landsat.rgb? I didn't check if it works with
reflectance, too.

BTW: I just added a screenshot example to


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