colour.models.log_decoding_Panalog

colour.models.log_decoding_Panalog(y, black_offset=0.04077184461038074)[source]

Defines the Panalog log decoding curve / electro-optical transfer function.

Parameters
  • y (numeric or array_like) – Non-linear data \(y\).

  • black_offset (numeric or array_like) – Black offset.

Returns

Linear data \(x\).

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

y

[0, 1]

[0, 1]

Range

Scale - Reference

Scale - 1

x

[0, 1]

[0, 1]

References

[SonyImageworks12]

Examples

>>> log_decoding_Panalog(0.374576791382298)  
0.1...