If you don't know PostScript programming you have a large amount of learning to do. Especially because with Lab I don't know how you intend to convert tint to Lab.
A sampled function would be more usual I suspect.
If you don't know PostScript programming you have a large amount of learning to do. Especially because with Lab I don't know how you intend to convert tint to Lab.
A sampled function would be more usual I suspect.