[argyllcms] Re: Recommendations to tweak ArgyllCMS profile to open up shadows?
- From: "Brad Funkhouser" <brad.funkhouser@xxxxxxxxxxx>
- To: <argyllcms@xxxxxxxxxxxxx>
- Date: Thu, 04 Dec 2014 09:53:43 -0600
Jerry,
On soft proofing...
I think another way you can soft proof is to convert the image from your
working space into printer space using your chosen intent (relative without
bpc, relative with bpc, absolute, perceptual). This yields the device RGB
values that would be sent to the printer. Then convert those from printer
space back to working space using absolute colorimetric. This will put the
expected print colors back into a standard space for comparison and display.
With this manual method, you're in control and you aren't having to rely on
any soft proofing features in your software.
On the matte shadows...
If you had grayscale patches as part of your printer profiling targets, then
you can look at the measurements for those patches inside the ti3 files (to
do the comparisons that Graeme suggested). There will for sure be black
patches in there. What are the black patch Lab values for the matte papers
versus the glossy?
When you print with relative colorimetric, are you using a black point
compensation option?
Thanks.
- Brad
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