Colour transformations using 3D LUTs (Look Up Table) are popular in
cinematography but no so in photography (probably one of the causes is a lack of
support for it in software). I use them a lot and I usually drop using Darktable
for those cases and switch to Natron, but this solution is far from perfect (I
love Darktable for many reasons).
LUT transformation have to applied in pipeline after basic exposure and colour
correction and before some other luma and colour corrections.
AFAIK, ready to use implementation of this transformation is provided by
OpenColorIO library via LookTransform function. It is used in most compositing
programs (like Natron, Fusion, Nuke) and reads all popular file formats (3dl,
A have created issue for this https://redmine.darktable.org/issues/11217
Was there in the past any discussion about such iop?
darktable developer mailing list
to unsubscribe send a mail to darktable-dev+unsubscr...@lists.darktable.org