colour.models.log_encoding_Panalog

colour.models.log_encoding_Panalog(x, black_offset=0.04077184461038074)[source]

Defines the Panalog log encoding curve / opto-electronic transfer function.

Parameters

  • x (numeric or array_like) – Linear data \(x\).

  • black_offset (numeric or array_like) – Black offset.

Returns

Non-linear data \(y\).

Return type

numeric or ndarray

Warning

These are estimations known to be close enough, the actual log encoding curves are not published.

Notes

Domain

Scale - Reference

Scale - 1

x

[0, 1]

[0, 1]

Range

Scale - Reference

Scale - 1

y

[0, 1]

[0, 1]

References

[SonyImageworks12]

Examples

>>> log_encoding_Panalog(0.18)  
0.3745767...