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Adding a user viewing Look

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Doug Walker edited this page Apr 15, 2023 · 1 revision

user-look-base.ocio

The base config in this case is the ACES CG config: cg-config-v1.0.0_aces-v1.3_ocio-v2.1

user-look-input.ocio

ocio_profile_version: 2.1

search_path: .

name: customized_cg-config-v1.0.0_aces-v1.3_ocio-v2.1
description: |
  A modified version of the ACES CG config which adds the following custom LUTS:
  - Viewing Look for our current show

shared_views:
  - !<View>
    name: ACES 1.0 - SDR Video with Look
    view_transform: ACES 1.0 - SDR Video
    display_colorspace: <USE_DISPLAY_NAME>
    looks: grade

displays:
  sRGB - Display:
    - !<Views> [ACES 1.0 - SDR Video with Look]
  Rec.1886 Rec.709 - Display:
    - !<Views> [ACES 1.0 - SDR Video with Look]

looks:
  - !<Look>
    name: grade
    process_space: ARRI LogC3 (EI800)
    description: |
      The primary grade for this show.
    transform: !<FileTransform> {src: primary.cdl, direction: forward}

user-look-merged.ocio

The primary differences is that the new look is added at the top of the looks section and the new view with the look is added as the first element in the shared_views section. The sRGB and Rec.709 displays are updated with the new view at the start of their Views element. The search_path includes the local (aka working) directory. The assumption is that the user's LUT file will be in the same directory as the merged config file. The name and description are updated to prevent any confusion with the merged config and the official CG config.

Diff of base and merged configs:

% diff user-look-base.ocio user-look-merged.ocio
5c5
< search_path: ""
---
> search_path: .
8c8
< name: cg-config-v1.0.0_aces-v1.3_ocio-v2.1
---
> name: customized_cg-config-v1.0.0_aces-v1.3_ocio-v2.1
10,15c10,11
<   Academy Color Encoding System - CG Config [COLORSPACES v1.0.0] [ACES v1.3] [OCIO v2.1]
<   --------------------------------------------------------------------------------------
<
<   This minimalistic "OpenColorIO" config is geared toward computer graphics artists requiring a lean config that does not include camera colorspaces and the less common displays and looks.
<
<   Generated with "OpenColorIO-Config-ACES" v1.0.0 on the 2022/10/26 at 05:59.
---
>   A modified version of the ACES CG config which adds the following custom LUTS:
>   - Viewing LUT for our current show
31a28,32
>   - !<View>
>     name: ACES 1.0 - SDR Video with Look
>     view_transform: ACES 1.0 - SDR Video
>     display_colorspace: <USE_DISPLAY_NAME>
>     looks: grade
41c42
<     - !<Views> [ACES 1.0 - SDR Video, Un-tone-mapped]
---
>     - !<Views> [ACES 1.0 - SDR Video with Look, ACES 1.0 - SDR Video, Un-tone-mapped]
44c45
<     - !<Views> [ACES 1.0 - SDR Video, Un-tone-mapped]
---
>     - !<Views> [ACES 1.0 - SDR Video with Look, ACES 1.0 - SDR Video, Un-tone-mapped]
60a62,68
>     name: grade
>     process_space: ARRI LogC3 (EI800)
>     description: |
>       The primary grade for this show.
>     transform: !<FileTransform> {src: primary.cdl, direction: forward}
>
>   - !<Look>
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