colour.models.log_decoding_Log3G10

colour.models.log_decoding_Log3G10(y, method: Literal['v1', 'v2', 'v3'] | str = 'v3') → NDArrayFloat

Define the Log3G10 log decoding curve / electro-optical transfer function.

Parameters:

• y – Non-linear data \(y\).

• method (Literal['v1', 'v2', 'v3'] | str) – Computation method.

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_Log3G10(1.0)  
184.3223476...
>>> log_decoding_Log3G10(1.0 / 3, method="v1")  
0.1799994...