colour.models.log_encoding_Protune#

colour.models.log_encoding_Protune(x: FloatingOrArrayLike) FloatingOrNDArray[source]#

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

Parameters

x (FloatingOrArrayLike) – Linear data \(x\).

Returns

Non-linear data \(y\).

Return type

numpy.floating or 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...