colour.models.log_decoding_ALEXALogC¶
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colour.models.
log_decoding_ALEXALogC
(t, firmware='SUP 3.x', method='Linear Scene Exposure Factor', EI=800)[source]¶ Defines the ALEXA Log C log decoding curve / electro-optical transfer function.
Parameters: - t (numeric or array_like) – ALEXA Log C encoded data \(t\).
- firmware (unicode, optional) – {‘SUP 3.x’, ‘SUP 2.x’}, Alexa firmware version.
- method (unicode, optional) – {‘Linear Scene Exposure Factor’, ‘Normalised Sensor Signal’}, Conversion method.
- EI (int, optional) – Ei.
Returns: Linear data \(x\).
Return type: numeric or ndarray
Notes
Domain Scale - Reference Scale - 1 t
[0, 1] [0, 1] Range Scale - Reference Scale - 1 x
[0, 1] [0, 1] References
Examples
>>> log_decoding_ALEXALogC(0.391006832034084) # doctest: +ELLIPSIS 0.18...