The advantage here, I think, is that LAB enveloping all other colour spaces is also mapping mathematically color pixels of all of them.
Hi Pedro, I'm not 100% with your question here, but AFAIK LAB is not going map CMYK values mathematically because of the need for different blk plate data (black generation). The K is the key when it comes to CMYK and this would go on an image by image basis.
And it's very easy to turn from LAB to RGB or any other colour space after you've done your job. Am I right?
Again see above but yes it's easy to go to RGB from LAB, but one does have to be careful with out of gamut colours. (I think I need Stephen Marsh to bail me out on this one. But at the present time I think he's a bit busy looking after Dan's list.) <g>
Christian Macey
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