[argyllcms] Re: Parameter -L 0 in colprof not behaving as expected
- From: Production <production@xxxxxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Thu, 9 Mar 2017 09:42:54 +0000
On 7 Mar 2017, at 20:16, Marcus C. Ludl <mail@xxxxxxxxxxxx> wrote:
Wondering what I'm doing wrong? Or is there a bug in colprof?
Latest version of colprof doesn’t behave as expected.
-kz doesn’t remove k from shadows.
-kz L0 removes k but the cmy curves are similar to kz, so you end up with no
ink at all in the shadows with relative intent.
Perceptual curves for using FOGRA52 data (which I’m experimenting with at the
moment) show cmy curves behaving normally to L19 and then dropping to zero and
then returning to c100 m100 y100 at L0.
If I switch to colprof from v1.5, the curves are as expected.
Regards
—
Martin Orpen
Idea Digital Imaging
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