colour.eotf#

colour.eotf(value: ArrayLike, function: LiteralEOTF | str = 'ITU-R BT.1886', **kwargs: Any) → NDArrayFloat[source]#

Apply the specified electro-optical transfer function (EOTF).

Parameters:

value (ArrayLike) – Non-linear signal value.
function (LiteralEOTF | str) – Electro-optical transfer function (EOTF).
kwargs (Any) – {colour.models.eotf_DCDM(), colour.models.eotf_DICOMGSDF(), colour.models.eotf_BT1886(), colour.models.eotf_BT2100_HLG(), colour.models.eotf_BT2100_PQ(), colour.models.eotf_SMPTE240M(), colour.models.eotf_ST2084(), colour.models.eotf_sRGB()}, See the documentation of the previously listed definitions.

Returns:

Display-linear value.

Return type:

numpy.ndarray

Examples

>>> eotf(0.461356129500442)
0.1...
>>> eotf(0.182011532850008, function="ST 2084", L_p=1000)
...
0.1...