Missing Camera Profiles, Color Management LUTs in 2.81

Great questions.

First, there are two ways to implement CDL instructions:

  1. Via a CDL stanza.
  2. Via an external file .cc, .cdl, and .ccc. Each has their particular syntax, and can be loaded into an OCIO configuration via the FileTransform transform.

The second answer regarding whether it corresponds to the CDL node, is yes. And no!

Transforms are very non-commutative. This means that the strict order they are applied will yield radically different results. This is nicely highlighted via this post over in the previously reference thread. There is some excellent information there that others have mined. The TL;DR is that yes you can set up your transform chain and use a CDL node to derive values, implement them as a look, and reuse them exactly as they appear in the output. You can also leverage some of the thread information to yield choices that cannot be achieve via the compositor. In particular, the linked post is extremely relevant.

Does that help?

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