colour.models.log_encoding_Protune

colour.models.log_encoding_Protune(x: ArrayLike) → NDArrayFloat

Define the Protune log encoding curve / opto-electronic transfer function.

Parameters:

x (ArrayLike) – Linear data \(x\).

Returns:

Non-linear data \(y\).

Return type:

numpy.ndarray

Notes

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

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

References

[GoProDM16]

Examples

>>> log_encoding_Protune(0.18)  
0.6456234...