colour.models.log_encoding_Panalog

colour.models.log_encoding_Panalog(x, black_offset=0.04077184461038074)

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.

References

• [SonyImageworks12]

Examples

>>> log_encoding_Panalog(0.18)  
0.3745767...