colour.colorimetry.RGB_10_degree_cmfs_to_XYZ_10_degree_cmfs#

colour.colorimetry.RGB_10_degree_cmfs_to_XYZ_10_degree_cmfs(wavelength: ArrayLike) → NDArrayFloat[source]#

Convert Stiles & Burch 1959 10 Degree RGB CMFs colour matching functions into the CIE 1964 10 Degree Standard Observer colour matching functions.

Parameters:

wavelength (ArrayLike) – Wavelength \(\lambda\) in nm.

Returns:

CIE 1964 10 Degree Standard Observer spectral tristimulus values.

Return type:

numpy.ndarray

Notes

  • Data for the CIE 1964 10 Degree Standard Observer already exists, this definition is intended for educational purpose.

References

[WS00j]

Examples

>>> from colour.utilities import numpy_print_options
>>> with numpy_print_options(suppress=True):
...     RGB_10_degree_cmfs_to_XYZ_10_degree_cmfs(700)  
...
array([ 0.0096432...,  0.0037526..., -0.0000041...])