colour.models.oetf_SMPTE240M

colour.models.oetf_SMPTE240M(L_c)[source]

Defines SMPTE 240M opto-electrical transfer function (OETF / OECF).

Parameters:L_c (numeric or array_like) – Light input \(L_c\) to the reference camera normalised to the system reference white.
Returns:Video signal output \(V_c\) of the reference camera normalised to the system reference white.
Return type:numeric or ndarray

Notes

Domain Scale - Reference Scale - 1
L_c [0, 1] [0, 1]
Range Scale - Reference Scale - 1
V_c [0, 1] [0, 1]

References

[SocietyofMotionPictureandTelevisionEngineers1999b]

Examples

>>> oetf_SMPTE240M(0.18)  # doctest: +ELLIPSIS
0.4022857...