[argyllcms] Re: icmColorantTableVal_write: write of PCS coord failed

Graeme Gill wrote:
> I was thinking that since V4 re-defined 16 bit Lab encoding, it was
> rather a pity that all the ICC did was fiddle 0xff00 to 0xffff
> for a 0.4% change, rather than doing something useful such as allowing
> for real world colorants outside the V2 Lab gamut.

Yes, I agree [ in particular since my monitor is affected and I'm now
the victim ;-) ]

> So an cLUT based XYZ PCS profile is what's needed.

I did some trials (though with a different display). However, there seem
to be banding issues. Looks like -qh is a must for this kind of profiles
(though -qm gives reasonable results for a CIELAB PCS, using the same .ti3).

Best Regards,
Gerhard

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