[GRASS-user] Re: i.rgb.his/i.his.rgb not working properly

[Georg Kaspar]

Georg Kaspar wrote:
  > i converted the results back to rgb and it works. pansharpening was also
> possible using channel 8.
> unfortunately - it still doesn't work using quickbird data

It work's, though i had to rescale all channels to 8bit using r.mapcalc. 
Is it possible that 16bit are not supported by i.rgb.his/i.his.rgb in 
general?