Hello Nikolay On 13-Jan-2011, Nikolay Pokhilchenko wrote: > May be the (an example) > > targen -d4 -G -fxxxx -c"preliminary.icc" -A1 -f0,0,0,25 NewTarget > > will help to automate the process? As I understood the targen behavior, it > will optimize the chart by device responcse > curvature first of all (if the -A parameter is 1 - default for preliminary > profile use. > The -f key can help to filter out dark patches. > As I understood the colprof, it computes different error values for the > different device space (or color space?) points. And it > can do this not only by repeated patches, but by adjacent patches too. So I > didn't see the need to duplicate the patches. The > higher number of patches per volume unit can be enough. The colprof will be > able take this into account and account the > errors more precisely. Am I mistaken? I'm not aware of those internals. I was speaking of duplicate patches because sometimes (depending on the print process) the same patch printed at extreme left or extreme right may be slightly different. /&