colour.colorimetry.SDS_BASIS_FUNCTIONS_CIE_ILLUMINANT_D_SERIES#

colour.colorimetry.SDS_BASIS_FUNCTIONS_CIE_ILLUMINANT_D_SERIES = LazyCanonicalMapping({'S0': ..., 'S1': ..., 'S2': ...})#

CIE Illuminant D Series \(S_n(\lambda)\) spectral distributions.

References