colour.models.oetf_H273_LogSqrt#
- colour.models.oetf_H273_LogSqrt(L_c)[source]#
Define Recommendation ITU-T H.273 opto-electronic transfer function (OETF) for logarithmic encoding (100*Sqrt(10):1 range).
- Parameters:
L_c – Scene Luminance \(L_c\).
- Returns:
Corresponding electrical signal \(V\).
- Return type:
Notes
Domain
Scale - Reference
Scale - 1
L_c
[0, 1]
[0, 1]
Range
Scale - Reference
Scale - 1
V
[0, 1]
[0, 1]
References
Warning
The function is clamped to domain [
colour.models.oetf_H273_LogSqrt()
(sqrt(10) / 1000), np.inf].
Examples
>>> oetf_H273_LogSqrt(0.18) 0.702109002041... >>> oetf_H273_LogSqrt(0.003162277660168) 0.0 >>> oetf_H273_LogSqrt(0.0001) 0.0 >>> oetf_H273_LogSqrt(1.0) 1.0