colour.models.log_encoding_CanonLog3¶
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colour.models.
log_encoding_CanonLog3
(x, bit_depth=10, out_legal=True, in_reflection=True)[source]¶ Defines the Canon Log 3 log encoding curve / opto-electronic transfer function.
Parameters: Returns: Canon Log 3 non-linear data.
Return type: numeric or ndarray
Notes
Introspection of the grafting points by Shaw, N. (2018) shows that the Canon Log 3 IDT was likely derived from its encoding curve as the later is grafted at +/-0.014:
>>> clog3 = 0.04076162 >>> (clog3 - 0.073059361) / 2.3069815 -0.014000000000000002 >>> clog3 = 0.105357102 >>> (clog3 - 0.073059361) / 2.3069815 0.013999999999999997
References
Examples
>>> log_encoding_CanonLog3(0.18) * 100 34.3389369...