Hello Fabrzio, yes, I did. I noticed some small changes but nothing wich would lead to a strong difference. This at least I can claim on FOGRA39-profiles. Anyway I will do some more testing with other, custom-made profile-sets. I´ll report then. Regards Vladimir 2010/4/1 Fabrizio Levati <fabrizio.levati@xxxxxxxxxxxxxx> > > > About the black generation / TAC: The examples you posted -were they > generated > > before or after calculating a profile? > > I roughly tested the -kp settings with xicclu and then created the profile > with -qh. The curves I posted come from the profile. > > > 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 Argyll also offers a few excellent images of testing profile > > conversions. > > Thanks for the suggestions. Have you ever tried comparing Photoshop and > cctiff conversion with Argyll created profile? > > Fabrizio > > > >