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.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
Returns

Tristimulus values at the display.

Return type

numpy.floating or numpy.ndarray

Examples

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