colour.models.log_decoding_ACEScct

colour.models.log_decoding_ACEScct(ACEScct: FloatingOrArrayLike, constants: colour.utilities.data_structures.Structure = CONSTANTS_ACES_CCT) → FloatingOrNDArray

Define the ACEScct colourspace log decoding / electro-optical transfer function.

Parameters

• ACEScct (FloatingOrArrayLike) – ACEScct non-linear value.

• constants (colour.utilities.data_structures.Structure) – ACEScct constants.

Returns

lin_AP1 value.

Return type

numpy.floating or numpy.ndarray

References

[TheAoMPAaSciencesScienceaTCouncilAcademyCESACESPSubcommittee14b], [TheAoMPAaSciencesScienceaTCouncilAcademyCESACESPSubcommittee14c], [TheAoMPAaSciencesScienceaTCouncilAcademyCESACESProject16], [TheAoMPAaSciencesScienceaTCouncilAcademyCESACESPSubcommitteec]

Notes

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

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

Examples

>>> log_decoding_ACEScct(0.413588402492442)  
0.1799999...

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