[GRASS-user] Problems with HIS conversion

Georg Kaspar georg at muenster.de
Wed Jul 29 04:47:59 EDT 2009

Hi there,
yesterday I tried to convert three (R,G,B) quickbird channels to HIS
using i.rgb.his.
When I tried to display the resulting channels using d.his all I got was
gray output (I tried every combination and it alway looked like crap...).
The initial data looked good when using d.rgb for display. I'm using RC4
on Ubuntu 9.04.
Any ideas? Thanks!

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