colour.models.log_encoding_ACEScct¶
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colour.models.
log_encoding_ACEScct
(lin_AP1, constants={'A': 10.5402377416545, 'B': 0.0729055341958355, 'X_BRK': 0.0078125, 'Y_BRK': 0.155251141552511})[source]¶ Defines the ACEScct colourspace log encoding / opto-electronic transfer function.
Parameters: - lin_AP1 (numeric or array_like) – lin_AP1 value.
- constants (Structure, optional) – ACEScct constants.
Returns: ACEScct non-linear value.
Return type: numeric or ndarray
Notes
Domain Scale - Reference Scale - 1 lin_AP1
[0, 1] [0, 1] Range Scale - Reference Scale - 1 ACEScct
[0, 1] [0, 1] References
[TheAoMPAaSciencesScienceaTCouncilAcademyCESACESPSubcommittee14c], [TheAoMPAaSciencesScienceaTCouncilAcademyCESACESPSubcommittee14d], [TheAoMPAaSciencesScienceaTCouncilAcademyCESACESProject16], [TheAoMPAaSciencesScienceaTCouncilAcademyCESACESPSubcommittee]
Examples
>>> log_encoding_ACEScct(0.18) # doctest: +ELLIPSIS 0.4135884...