[argyllcms] Re: printer profiles - how to get max black
- From: Graeme Gill <graeme@xxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Thu, 07 Dec 2006 22:02:15 +1100
Gerhard Fürnkranz wrote:
doesn't the gamut mapping of 0.60 now bend the perceptual gray axis at
> the lower end towards device black, such that PCS CIELAB [0,0,0] (or
> actually the BP of the supplied source color space (profile -S ...))
> should eventually always map to device black? What am I missing?
I was referring to the the relative colorimetric table.
I didn't try generating a perceptual table and seeing if
it behaved similarly or differently. I suspect it
may be better for the reasons you state above, but
may still not perfectly hit the black point.
Part of the reason is that the black point is
a sharp cone shape providing a smaller target,
and amplifying any inaccuracy.
Graeme Gill.
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