colour.models.log_encoding_CanonLog2

colour.models.log_encoding_CanonLog2(x, bit_depth=10, out_normalised_code_value=True, in_reflection=True, **kwargs)[source]

Defines the Canon Log 2 log encoding curve / opto-electronic transfer function.

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

  • bit_depth (int, optional) – Bit depth used for conversion.

  • out_normalised_code_value (bool, optional) – Whether the Canon Log 2 non-linear data is encoded as normalised code values.

  • in_reflection (bool, optional) – Whether the light level \(x\) to a camera is reflection.

Other Parameters

**kwargs (dict, optional) – Keywords arguments for deprecation management.

Returns

Canon Log 2 non-linear data.

Return type

numeric or ndarray

Notes

Domain

Scale - Reference

Scale - 1

x

[0, 1]

[0, 1]

Range

Scale - Reference

Scale - 1

clog2

[0, 1]

[0, 1]

References

[Can16]

Examples

>>> log_encoding_CanonLog2(0.18) * 100  
39.8254694...