colour.temperature.CCT_to_uv_Ohno2013¶
- colour.temperature.CCT_to_uv_Ohno2013(CCT_D_uv, cmfs=XYZ_ColourMatchingFunctions(name='CIE 1931 2 Degree Standard Observer', ...))[source]¶
Returns the CIE UCS colourspace uv chromaticity coordinates from given correlated colour temperature \(T_{cp}\), \(\Delta_{uv}\) and colour matching functions using Ohno (2013) method.
- Parameters
CCT_D_uv (ndarray) – Correlated colour temperature \(T_{cp}\), \(\Delta_{uv}\).
cmfs (XYZ_ColourMatchingFunctions, optional) – Standard observer colour matching functions.
- Returns
CIE UCS colourspace uv chromaticity coordinates.
- Return type
ndarray
References
[]
Examples
>>> from colour.colorimetry import ( ... SPECTRAL_SHAPE_DEFAULT, MSDS_CMFS_STANDARD_OBSERVER) >>> cmfs = ( ... MSDS_CMFS_STANDARD_OBSERVER['CIE 1931 2 Degree Standard Observer']. ... copy().align(SPECTRAL_SHAPE_DEFAULT) ... ) >>> CCT_D_uv = np.array([6507.4342201047066, 0.003223690901513]) >>> CCT_to_uv_Ohno2013(CCT_D_uv, cmfs) array([ 0.1977999..., 0.3122004...])