colour.models.log_encoding_ACEScct

colour.models.log_encoding_ACEScct(lin_AP1: ArrayLike, constants: Structure = CONSTANTS_ACES_CCT) → NDArrayFloat

Define the ACEScct colourspace log encoding / opto-electronic transfer function.

Parameters:

• lin_AP1 (ArrayLike) – lin_AP1 value.

• constants (Structure) – ACEScct constants.

Returns:

ACEScct non-linear value.

Return type:

numpy.ndarray

Notes

Domain	Scale - Reference	Scale - 1
lin_AP1	[0, 1]	[0, 1]

Range	Scale - Reference	Scale - 1
ACEScct	[0, 1]	[0, 1]

References

[TheAoMPAaSciencesScienceaTCouncilAcademyCESACESPSubcommittee14b], [TheAoMPAaSciencesScienceaTCouncilAcademyCESACESPSubcommittee14c], [TheAoMPAaSciencesScienceaTCouncilAcademyCESACESProject16], [TheAoMPAaSciencesScienceaTCouncilAcademyCESACESPSubcommitteea]

Examples

>>> log_encoding_ACEScct(0.18)  
0.4135884...