colour.oetf#
- colour.oetf(value: ArrayLike, function: Literal['ARIB STD-B67', 'Blackmagic Film Generation 5', 'DaVinci Intermediate', 'ITU-R BT.2020', 'ITU-R BT.2100 HLG', 'ITU-R BT.2100 PQ', 'ITU-R BT.601', 'ITU-R BT.709', 'ITU-T H.273 IEC 61966-2', 'ITU-T H.273 Log', 'ITU-T H.273 Log Sqrt', 'SMPTE 240M'] | 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 (Literal['ARIB STD-B67', 'Blackmagic Film Generation 5', 'DaVinci Intermediate', 'ITU-R BT.2020', 'ITU-R BT.2100 HLG', 'ITU-R BT.2100 PQ', 'ITU-R BT.601', 'ITU-R BT.709', 'ITU-T H.273 IEC 61966-2', 'ITU-T H.273 Log', 'ITU-T H.273 Log Sqrt', 'SMPTE 240M'] | 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...