colour.models.cctf_encoding_ProPhotoRGB¶
-
colour.models.
cctf_encoding_ProPhotoRGB
(X, bit_depth=8, out_int=False)¶ Defines the ProPhoto RGB encoding colour component transfer function (Encoding CCTF).
- Parameters
- Returns
Non-linear data \(X'_{ROMM}\).
- Return type
numeric or ndarray
Notes
Domain *
Scale - Reference
Scale - 1
X
[0, 1]
[0, 1]
Range *
Scale - Reference
Scale - 1
X_p
[0, 1]
[0, 1]
* This definition has an output integer switch, thus the domain-range scale information is only given for the floating point mode.
References
Examples
>>> cctf_encoding_ROMMRGB(0.18) 0.3857114... >>> cctf_encoding_ROMMRGB(0.18, out_int=True) 98