2010/4/1 Vladimir Gajic <vgajic67@xxxxxxxxxxxxxx>: > My "old" way of testing the > separation quality of a profile is simply in generating a Lab-ramp (from 0 0 > 0 to 100 0 0) and converting using perceptual ri. This what you see in your > separations responds almost exactly to what you will get running xicclu -v > -g -fb -ip profile.icc I do this too. Convert Lab to CMYK in Photoshop then turn CMYK-channels on and off to spot sudden changes. If you have a good monitor/set-up you will see if those non-smooth curves will cause visual (real) problems. Martin Weberg