colour.models.log_encoding_PivotedLog#
- colour.models.log_encoding_PivotedLog(x: ArrayLike, log_reference: float = 445, linear_reference: float = 0.18, negative_gamma: float = 0.6, density_per_code_value: float = 0.002) NDArrayFloat [source]#
Define the Josh Pines style Pivoted Log log encoding curve / opto-electronic transfer function.
- Parameters:
- Returns:
Non-linear data \(y\).
- Return type:
Notes
Domain
Scale - Reference
Scale - 1
x
[0, 1]
[0, 1]
Range
Scale - Reference
Scale - 1
y
[0, 1]
[0, 1]
References
Examples
>>> log_encoding_PivotedLog(0.18) 0.4349951...