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:
value (ArrayLike) – Value.
function (LiteralOETF | str) – Opto-electronic transfer function (OETF).
kwargs (Any) – {
colour.models.oetf_ARIBSTDB67()
,colour.models.oetf_BlackmagicFilmGeneration5()
,colour.models.oetf_DaVinciIntermediate()
,colour.models.oetf_BT2020()
,colour.models.oetf_BT2100_HLG()
,colour.models.oetf_BT2100_PQ()
,colour.models.oetf_BT601()
,colour.models.oetf_BT709()
,colour.models.oetf_SMPTE240M()
}, See the documentation of the previously listed definitions.
- Returns:
\(R'G'B'\) video component signal value.
- Return type:
Examples
>>> oetf(0.18) 0.4090077... >>> oetf(0.18, function="ITU-R BT.601") 0.4090077...