colour.models.oetf_inverse_DaVinciIntermediate

colour.models.oetf_inverse_DaVinciIntermediate(V, constants={'DI_A': 0.0075, 'DI_B': 7.0, 'DI_C': 0.07329248, 'DI_LIN_CUT': 0.00262409, 'DI_LOG_CUT': 0.02740668, 'DI_M': 10.44426855})[source]

Defines the DaVinci Intermediate inverse opto-electronic transfer function (OETF / OECF).

Parameters
  • V (numeric or ndarray) – Ecoded value \(V\).

  • constants (Structure, optional) – DaVinci Intermediate colour component transfer function constants.

Returns

Linear light value :math`L`.

Return type

numeric or array_like

Notes

Domain

Scale - Reference

Scale - 1

y

[0, 1]

[0, 1]

Range

Scale - Reference

Scale - 1

x

[0, 1]

[0, 1]

References

[BlackmagicDesign20b]

Examples

>>> oetf_inverse_DaVinciIntermediate(0.336043272384855)
... 
0.1799999...