[argyllcms] Re: colormouse vs. digital camera

Graeme Gill schrieb:

It's not perfectly straightforward though, because the preliminary profile has to be inverted within targen to do this, and what sample points should be generated for CMYK, where there there can be a variable amount of black used ?

Generally, the profile should be of course accurate for any amount of black. On the other hand, there is always a preferred (fixed) black generation built into the B2A tables, which is normally used when the profile is applied in PCS -> device direction. So it might be an acceptable compromise to optimize the accuracy of the profile's gray axis especially for this particular black generation. Of course, proofing gray CMYK colors with different amounts of black will then be less accurate.


Regards,
Gerhard



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