[Bf-committers] Updating OCIO luts in runtime

tamerlan311 tamerlan311 at gmail.com
Sun Jan 26 17:36:37 CET 2014

2014/1/26 Troy Sobotka <troy.sobotka at gmail.com>

> On Jan 26, 2014 11:10 AM, "tamerlan311" <tamerlan311 at gmail.com> wrote:
> > Apply LUT node currently has the following problems:
> > 2) Ignores that blender internally use linear color space, but LUT
> profiles
> > mainly required srgb.
> This is incorrect.
> LUTs do not require sRGB.
> Probably I am not correctly put it.
LUT profile may be designed for any input color space (linear, srgb or
Apply profile in the wrong color space does not give the correct result.
Many color graded profiles that i have met (cine style or LUT presets from
adobe photoshop CS6) based on sRGB color space.

Further, there are many implications of color transforms that are
> important, such as changing the color model of the data to pull a key or
> secondary grade region, etc.
> Remaining in a scene linear or display linear model has nothing to do with
> the need for a color transform node. It is an artificial barrier, and an
> OCIO node is an important and welcome addition.
> With respect,
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