I'm not sure I follow what a Quad scan is but you might want to look at
r.colors especially the discussion on the rules option.
Does anyone have a good colr file for a USGS quad scan
or does anyone know how to create one?Thanks,
Doug Smith
USACOE Omaha, NE
--
W. Fredrick Limp, Director FAX: (501) 575-3846
CAST, Center for Advanced Spatial Technologies TEL: (501) 575-6159
12 Ozark Hall, University of Arkansas
Fayetteville AR 72701 fred@cast.uark.edu