colour.ootf

colour.ootf(value, function='ITU-R BT.2100 PQ', **kwargs)[source]

Maps relative scene linear light to display linear light using given opto-optical transfer function (OOTF / OOCF).

Parameters:
  • value (numeric or array_like) – Value.
  • function (unicode, optional) – {‘ITU-R BT.2100 HLG’, ‘ITU-R BT.2100 PQ’} Opto-optical transfer function (OOTF / OOCF).
Returns:

Luminance of a displayed linear component.

Return type:

numeric or ndarray

Examples

>>> ootf(0.1)  # doctest: +ELLIPSIS
779.9883608...
>>> ootf(0.1, function='ITU-R BT.2100 HLG')  # doctest: +ELLIPSIS
63.0957344...