colour.ootf#

colour.ootf(value: ArrayLike, function: LiteralOOTF | str = 'ITU-R BT.2100 PQ', **kwargs: Any) → NDArrayFloat[source]#

Apply the specified opto-optical transfer function (OOTF).

Parameters:

value (ArrayLike) – Scene-linear value.
function (LiteralOOTF | str) – Opto-optical transfer function (OOTF).
kwargs (Any) – {colour.models.ootf_BT2100_HLG(), colour.models.ootf_BT2100_PQ()}, See the documentation of the previously listed definitions.

Returns:

Display-linear value.

Return type:

numpy.ndarray

Examples

>>> ootf(0.1)
np.float64(779.9883608...)
>>> ootf(0.1, function="ITU-R BT.2100 HLG")
np.float64(63.0957344...)