colour.models.log_decoding_ALEXALogC¶
-
colour.models.
log_decoding_ALEXALogC
(t, firmware='SUP 3.x', method='Linear Scene Exposure Factor', EI=800)[source]¶ Defines the ARRI ALEXA Log C log decoding curve / electro-optical transfer function.
- Parameters
t (numeric or array_like) – ARRI 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) 0.18...