colour.oetf#

colour.oetf(value: ArrayLike, function: LiteralOETF | str = 'ITU-R BT.709', **kwargs: Any) NDArrayFloat[source]#

Encode estimated tristimulus values in a scene to \(R'G'B'\) video component signal value using given opto-electronic transfer function (OETF).

Parameters:
Returns:

\(R'G'B'\) video component signal value.

Return type:

numpy.ndarray

Examples

>>> oetf(0.18)  
0.4090077...
>>> oetf(0.18, function="ITU-R BT.601")  
0.4090077...