On Wed, Mar 25, 2009 at 6:21 PM, Alexandre Prokoudine wrote: > 1. Client brings an image for poster in CMYK which needs color > correction. Urgent work, not time to ask him to redo it. Double color > space conversion is out of question. So he had to use Photoshop from > VMWare. > > 2. You have a newspaper where first page should have a two-color > photo: black (C=0%M=0%Y=0%K<=100%) and blue (C<=100%M=0%Y=0%K=0%). > separate+ however separates black to 4 channels. > > 3. Some print houses set limit to overall sum of colors, for example > 180%. So if you take Cyan 100% + Magenta 100% (already 200%) + a > little of K and Y this will result in unnatural colors in a newspaper. > > 4. Live density control for each CMYK channel is a must (Scribus/SVN > has that in preview dialog). I was reminded that I actually forgot 5. Part of an image should be b/w and the rest should be colorized with just one tint. E.g. Cyan + Black for sea. separate+ and exporting are of no help here. Alexandre _______________________________________________ Gimp-developer mailing list Gimp-developer@xxxxxxxxxxxxxxxxxxxxxx https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer
