colour.RGB_to_RGB_matrix¶
-
colour.
RGB_to_RGB_matrix
(input_colourspace, output_colourspace, chromatic_adaptation_transform='CAT02')[source]¶ Computes the matrix \(M\) converting from given input RGB colourspace to output RGB colourspace using given chromatic adaptation method.
- Parameters
input_colourspace (RGB_Colourspace) – RGB input colourspace.
output_colourspace (RGB_Colourspace) – RGB output colourspace.
chromatic_adaptation_transform (unicode, optional) – {‘CAT02’, ‘XYZ Scaling’, ‘Von Kries’, ‘Bradford’, ‘Sharp’, ‘Fairchild’, ‘CMCCAT97’, ‘CMCCAT2000’, ‘CAT02_BRILL_CAT’, ‘Bianco’, ‘Bianco PC’, None}, Chromatic adaptation transform, if None no chromatic adaptation is performed.
- Returns
Conversion matrix \(M\).
- Return type
ndarray
Examples
>>> from colour.models import sRGB_COLOURSPACE, PROPHOTO_RGB_COLOURSPACE >>> RGB_to_RGB_matrix(sRGB_COLOURSPACE, PROPHOTO_RGB_COLOURSPACE) ... array([[ 0.5288241..., 0.3340609..., 0.1373616...], [ 0.0975294..., 0.8790074..., 0.0233981...], [ 0.0163599..., 0.1066124..., 0.8772485...]])