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AMPAS Academy Color Encoding System Developer Resources
As I was rolling a Python version of some parts of the CTL codebase, I noticed some significant code duplication in the `transforms/ctl/lib/ACESlib.Tonescales.ctl` module, especially the `segmented_spline_c5_fwd` and `segmented_spline_c9_fwd` functions...
Unlike S-Log and S-Log2, the Sony S-Log3 curve is defined in terms of Reflection rather than IRE. It is (not-very-clearly) documented in the Appendix here: https://pro.sony/s3/cms-static-content/uploadfile/06/1237494271406.pdf The current IDTs for...
I noticed that the standard cinema range output transforms perform the scale / rolloff highlight (as part of the white point simulation) in the rendering space (AP1, not pre-compensated) but...
I would love to see a DPX file within the ACES test file corpus containing ADX encoding with the constrained field values described in SMPTE ST 268:2014. I ask because...
All the video ODTs are using the CINEMA_BLACK and CINEMA_WHITE values in the Y_2_linCV conversion. It has been suggested that the black value used for the video ODTs should be...
I know that the content at https://github.com/ampas/aces-dev/tree/dev/transforms/ctl/idt/vendorSupplied/panasonic may be vendor supplied, but the link there is listed as http://pro-av.panasonic.net/en/varicam/35/dl.html is broken, and it should be https://pro-av.panasonic.net/en/cinema_camera_varicam_eva/support/download_data/idt_panasonic_forV35_ver100.zip or https://pro-av.panasonic.net/en/cinema_camera_varicam_eva/support/index.html (search for...
So that HDR Display P3 Output Transforms get (semi) automatically added to the official ACES OCIO configs, these additional Output Transforms need to exist in `aces-dev`. I have only created...
ARRI LogC4 has been added to the IDTs, but not to the CSCs. This PR adds it to the CSCs as well, for completeness.