Re: [Gimp-user] Can I Subtract a color overall?

2010-01-31 Thread John Mills
Thanks to Stefan, Dan, and David for your replies. I'll look into all three approaches, but this looks most directly like what I had in mind. My limited intuition seemed to suggest that since RGB is an additive color space, there might be a direct way to subtract a cast out of it. Regards. -

Re: [Gimp-user] Can I Subtract a color overall?

2010-01-31 Thread David Gowers
On Mon, Feb 1, 2010 at 1:05 AM, John Mills johnmi...@speakeasy.net wrote: Thanks to Stefan, Dan, and David for your replies. I'll look into all three approaches, but this looks most directly like what I had in mind. My limited intuition seemed to suggest that since RGB is an additive color

Re: [Gimp-user] Can I Subtract a color overall?

2010-01-30 Thread David Gowers
On Sun, Jan 31, 2010 at 12:50 PM, John Mills johnmi...@speakeasy.net wrote: All - I don't know if this makes conceptual sense, but ... I am printing a scanned image onto a slightly toned surface (heavy watercolor paper), and I would like to precompensate somewhat for the effect of printing