Output Transforms Architecture Virtual Working Group

Document Workspace

Alex Fry & Kevin Wheatley - Working Group Co-Chairs
Scott Dyer - ACES Staff Liaison - email
Nick Shaw - ACES Consultant - email
Steve Tobenkin - ACES Adoption/Comms Lead - email


  • Create a stable, robust, capable, and visually pleasing rendering transform to be used for ACES 
  • Correct for known artifacts when using the current model
  • Resolve design limitations and inconsistencies of current model
  • Enable diverse and unforeseen use cases with easy to use parameterized output variables
  • Simplify
  • Maintain backwards compatibility
  • Document the how and the why of all design decisions


Working Group Status
  • Preparation of test set
  • Write background information & level-setting README
  • Prepare Candidates A, B, C
  • Candidate A - Simple 1-D Lookup - rgbDT
  • Candidate B - Mathematical Lookup
  • Candidate C - Z-Cam Hybrid
  • Make modified OCIO v1 config
  • Prepare Image Set
  • Distribution of test package


Working Group Proposal Form

This is the proposal form that formed this working group.

Output Transform Test Images Submission

You can upload any image files that you think would be useful for this group to have access to for testing and development of output transforms. 

Access/view the files: Output Transform Image Submissions

Background Information

An external Dropbox Paper site highlighting the processing steps in the pre-1.0 ACES releases and comparing some images rendered through them. 
This is a living document and will be updated with some comparisons to other vendors’ renderings (e.g. IPP2, T-CAM, K1S1, …)

ACES Retrospective and Enhancements