[GRASS-user] Attempt to export (r.out.gdal) produces sometimes an error and sometimes not

[Nikos Alexandris]

[...]
> Anyhow, exporting the group of 3 bands with r.out.tiff or r.out.gdal
> works but there is something important: I don't like the white
> background. I would like to have a black backgroud surrounding my map. I
> could not get that really. I think I managed to see that only when I
> reduced levels with r.composite. Don't remember right now but I think
> rescaling initial bands with range from 0 up to 8000 in to 0 to 255 and
> export the group did not work either.
...and setting nodata=0!