Blender AgX in darktable (proof of concept)

Software darktable
1296

Hello,

Today, I ran a few tests with AGX (version 5.1.0+952~g78cc81807f) and, for the first time, I used the “logarithmic tone mapping only” option.
This gave me an idea: combining AGX and Base Curve.
Here are the results below with basic editing.

  1. Using the “smooth | base” preset to start the processing,

    01
    011920×1080 1.02 MB

  2. without primaries and preserve hue = 1

    02
    021920×1080 1.09 MB

2020-04-23-free raw from signature edits 2- Smooth_LR
2020-04-23-free raw from signature edits 2- Smooth_LR1000×1500 249 KB

2020-04-23-free raw from signature edits 2_LR
2020-04-23-free raw from signature edits 2_LR1000×1500 249 KB

free raw from signature edits 2_02.dng.xmp (8.1 KB)
free raw from signature edits 2_03.dng.xmp (8.6 KB)

This exercise gives me a few points to think about.

  • Position the base curve module after sigmoid, filmic, and AGX
  • Add a basic tone mapper to the “base curve” module to make it compatible with the scene workflow
  • Only a scene-based workflow for future versions of Darktable?

What do you think?

Greetings from Luberon,
Christian

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