colour.models.rgb.transfer_functions.cineon Module

Kodak Cineon Encoding

Defines the Kodak Cineon encoding:

See also

RGB Colourspaces Jupyter Notebook

References

[1]Sony Imageworks. (2012). make.py. Retrieved November 27, 2014, from https://github.com/imageworks/OpenColorIO-Configs/blob/master/nuke-default/make.py
colour.models.rgb.transfer_functions.cineon.log_encoding_Cineon(x, black_offset=0.0107977516232771)[source]

Defines the Cineon 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

Examples

>>> log_encoding_Cineon(0.18)  
0.4573196...
colour.models.rgb.transfer_functions.cineon.log_decoding_Cineon(y, black_offset=0.0107977516232771)[source]

Defines the Cineon 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

Examples

>>> log_decoding_Cineon(0.457319613085418)  
0.1799999...