colour.eotf¶
- colour.eotf(value: Union[float, numpy.typing._array_like._SupportsArray[numpy.dtype], numpy.typing._nested_sequence._NestedSequence[numpy.typing._array_like._SupportsArray[numpy.dtype]], bool, int, complex, str, bytes, numpy.typing._nested_sequence._NestedSequence[Union[bool, int, float, complex, str, bytes]]], function: Union[Literal['DCDM', 'DICOM GSDF', 'ITU-R BT.1886', 'ITU-R BT.2020', 'ITU-R BT.2100 HLG', 'ITU-R BT.2100 PQ', 'SMPTE 240M', 'ST 2084', 'sRGB'], str] = 'ITU-R BT.1886', **kwargs: Any) Union[float, numpy.ndarray][source]¶
Decode \(R'G'B'\) video component signal value to tristimulus values at the display using given electro-optical transfer function (EOTF).
- Parameters
value (Union[float, numpy.typing._array_like._SupportsArray[numpy.dtype], numpy.typing._nested_sequence._NestedSequence[numpy.typing._array_like._SupportsArray[numpy.dtype]], bool, int, complex, str, bytes, numpy.typing._nested_sequence._NestedSequence[Union[bool, int, float, complex, str, bytes]]]) – Value.
function (Union[Literal['DCDM', 'DICOM GSDF', 'ITU-R BT.1886', 'ITU-R BT.2020', 'ITU-R BT.2100 HLG', 'ITU-R BT.2100 PQ', 'SMPTE 240M', 'ST 2084', 'sRGB'], str]) – Electro-optical transfer function (EOTF).
kwargs (Any) – {
colour.models.eotf_DCDM(),colour.models.eotf_DICOMGSDF(),colour.models.eotf_BT1886(),colour.models.eotf_BT2020(),colour.models.eotf_HLG_BT2100(),colour.models.eotf_PQ_BT2100(),colour.models.eotf_SMPTE240M(),colour.models.eotf_ST2084(),colour.models.eotf_sRGB()}, See the documentation of the previously listed definitions.
- Returns
Tristimulus values at the display.
- Return type
Examples
>>> eotf(0.461356129500442) 0.1... >>> eotf(0.409007728864150, function='ITU-R BT.2020') ... 0.1... >>> eotf(0.182011532850008, function='ST 2084', L_p=1000) ... 0.1...