colour.volume.XYZ_outer_surface

colour.volume.XYZ_outer_surface(cmfs=XYZ_ColourMatchingFunctions(name='CIE 1931 2 Degree Standard Observer', ...), illuminant=SpectralDistribution(name='1 Constant', ...), **kwargs)[source]

Generates the CIE XYZ colourspace outer surface for given colour matching functions using multi-spectral conversion of pulse waves to CIE XYZ tristimulus values.

Parameters
Other Parameters

**kwargs (dict, optional) – {colour.multi_sds_to_XYZ()}, Please refer to the documentation of the previously listed definition.

Returns

Outer surface CIE XYZ tristimulus values.

Return type

ndarray

References

[Lin15], [Man18]

Examples

>>> from colour.colorimetry import DEFAULT_SPECTRAL_SHAPE
>>> shape = SpectralShape(
...     DEFAULT_SPECTRAL_SHAPE.start, DEFAULT_SPECTRAL_SHAPE.end, 84)
>>> cmfs = STANDARD_OBSERVER_CMFS['CIE 1931 2 Degree Standard Observer']
>>> XYZ_outer_surface(cmfs.copy().align(shape))  
array([[  0.0000000...e+00,   0.0000000...e+00,   0.0000000...e+00],
       [  9.6361381...e-05,   2.9056776...e-06,   4.4961226...e-04],
       [  2.5910529...e-01,   2.1031298...e-02,   1.3207468...e+00],
       [  1.0561021...e-01,   6.2038243...e-01,   3.5423571...e-02],
       [  7.2647980...e-01,   3.5460869...e-01,   2.1005149...e-04],
       [  1.0971874...e-02,   3.9635453...e-03,   0.0000000...e+00],
       [  3.0792572...e-05,   1.1119762...e-05,   0.0000000...e+00],
       [  2.5920165...e-01,   2.1034203...e-02,   1.3211965...e+00],
       [  3.6471551...e-01,   6.4141373...e-01,   1.3561704...e+00],
       [  8.3209002...e-01,   9.7499113...e-01,   3.5633622...e-02],
       [  7.3745167...e-01,   3.5857224...e-01,   2.1005149...e-04],
       [  1.1002667...e-02,   3.9746651...e-03,   0.0000000...e+00],
       [  1.2715395...e-04,   1.4025439...e-05,   4.4961226...e-04],
       [  3.6481187...e-01,   6.4141663...e-01,   1.3566200...e+00],
       [  1.0911953...e+00,   9.9602242...e-01,   1.3563805...e+00],
       [  8.4306189...e-01,   9.7895467...e-01,   3.5633622...e-02],
       [  7.3748247...e-01,   3.5858336...e-01,   2.1005149...e-04],
       [  1.1099028...e-02,   3.9775708...e-03,   4.4961226...e-04],
       [  2.5923244...e-01,   2.1045323...e-02,   1.3211965...e+00],
       [  1.0912916...e+00,   9.9602533...e-01,   1.3568301...e+00],
       [  1.1021671...e+00,   9.9998597...e-01,   1.3563805...e+00],
       [  8.4309268...e-01,   9.7896579...e-01,   3.5633622...e-02],
       [  7.3757883...e-01,   3.5858626...e-01,   6.5966375...e-04],
       [  2.7020432...e-01,   2.5008868...e-02,   1.3211965...e+00],
       [  3.6484266...e-01,   6.4142775...e-01,   1.3566200...e+00],
       [  1.1022635...e+00,   9.9998888...e-01,   1.3568301...e+00],
       [  1.1021979...e+00,   9.9999709...e-01,   1.3563805...e+00],
       [  8.4318905...e-01,   9.7896870...e-01,   3.6083235...e-02],
       [  9.9668412...e-01,   3.7961756...e-01,   1.3214065...e+00],
       [  3.7581454...e-01,   6.4539130...e-01,   1.3566200...e+00],
       [  1.0913224...e+00,   9.9603645...e-01,   1.3568301...e+00],
       [  1.1022943...e+00,   1.0000000...e+00,   1.3568301...e+00]])