On Wed, 27 May 2015, marti.ma...@littlecms.com wrote: > Now for some advice. Colors with L*=0 and chroma not zero are in fact > undefined. This is the old question about how much chroma pure black > has. You really don't want that. So what I would do if I would need to > handle those cases, is to use a CLUT 3D table instead of pure curves. > When building the nodes, I would force all nodes with L*=100 and L*=0 > to be achromatic to the media white (a*=b*=0), and then let the > tetrahedral interpolation to smooth the results for you.
That sounds pretty attractive, but I'm not sure how to go about that starting with the user creating a lightness curve -- how do I create a CLUT 3D table from that curve? Boudewijn ------------------------------------------------------------------------------ _______________________________________________ Lcms-user mailing list Lcms-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lcms-user
