colour.uv_to_CCT¶
-
colour.
uv_to_CCT
(uv, method=u'Ohno 2013', **kwargs)[source]¶ Returns the correlated colour temperature \(T_{cp}\) and \(\Delta_{uv}\) from given CIE UCS colourspace uv chromaticity coordinates using given method.
Parameters: - uv (array_like) – CIE UCS colourspace uv chromaticity coordinates.
- method (unicode, optional) – {‘Ohno 2013’, ‘Robertson 1968’}, Computation method.
Other Parameters: - cmfs (XYZ_ColourMatchingFunctions, optional) – {
colour.temperature.uv_to_CCT_Ohno2013()
}, Standard observer colour matching functions. - start (numeric, optional) – {
colour.temperature.uv_to_CCT_Ohno2013()
}, Temperature range start in kelvins. - end (numeric, optional) – {
colour.temperature.uv_to_CCT_Ohno2013()
}, Temperature range end in kelvins. - count (int, optional) – {
colour.temperature.uv_to_CCT_Ohno2013()
}, Temperatures count in the planckian tables. - iterations (int, optional) – {
colour.temperature.uv_to_CCT_Ohno2013()
}, Number of planckian tables to generate.
Returns: Correlated colour temperature \(T_{cp}\), \(\Delta_{uv}\).
Return type: ndarray
References
Examples
>>> from colour import STANDARD_OBSERVERS_CMFS >>> cmfs = STANDARD_OBSERVERS_CMFS['CIE 1931 2 Degree Standard Observer'] >>> uv = np.array([0.1978, 0.3122]) >>> uv_to_CCT(uv, cmfs=cmfs) array([ 6.5074738...e+03, 3.2233461...e-03])