colour.models.log_decoding_Log3G12

colour.models.log_decoding_Log3G12(y: ArrayLike) → NDArrayFloat

Define the Log3G12 log decoding curve / electro-optical transfer function.

Parameters:

y (ArrayLike) – Non-linear data \(y\).

Returns:

Linear data \(x\).

Return type:

numpy.ndarray

Notes

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

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

References

[Nat16], [REDDCinema17]

Examples

>>> log_decoding_Log3G12(1.0 / 3)  
0.1800015...