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Review: Removed CineonLogToLin Transform
Jeremy Selan <jeremy...@...>
CineonLogToLin was always occupying a sort of transform netherworld.
It's too specific to count as 'general math', but not specific enough
to be useful in many practical cases for linearizing film data. This
transform was a late addition to OCIO (it did not appear in Sony's in
house predecessor), and upon further consideration is not worth
For those interested in doing this conversion in the future, we would
recommend using a 1D LUT, or using the log allocation transform. An
example of the 1D lut approach is demonstrated in the spi-vfx profile,
and an example of the Allocation approach is in the iif profile.
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