colour.colour_rendering_index¶
-
colour.
colour_rendering_index
(sd_test, additional_data=False)[source]¶ Returns the Colour Rendering Index (CRI) \(Q_a\) of given spectral distribution.
Parameters: - sd_test (SpectralDistribution) – Test spectral distribution.
- additional_data (bool, optional) – Whether to output additional data.
Returns: Colour Rendering Index (CRI).
Return type: numeric or CRI_Specification
References
Examples
>>> from colour import ILLUMINANTS_SDS >>> sd = ILLUMINANTS_SDS['FL2'] >>> colour_rendering_index(sd) # doctest: +ELLIPSIS 64.1515202...