Re: reversable, but not 1D color transforms in config.ocio

doug <colo...@...>

The conversion from XYZ to CIELab can be done with matrices and 1d-LUTs, so you should be able to do the forward and reverse quite exactly with the existing machinery and without resorting to 3d-LUTs.

(Of course CIELab is only appropriate for display-referred colors, but that is a separate issue.)

Doug Walker

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