CIE Color Matching Functions - 2-degree (1931)

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Description

xyz1931.1nm the 1931 2° functions from 360 to 830 nm, at 1nm intervals
xyz1931.5nm the 1931 2° functions from 380 to 780 nm, at 5nm intervals

Format

Each is a colorSpec object organized as a matrix with 3 variables.

x the x-bar responsivity function
y the y-bar responsivity function
z the z-bar responsivity function

Source

http://www.cvrl.org

References

Günther Wyszecki and W.S. Stiles. Color Science : Concepts and Methods, Quantitative Data and Formulae. Second Edition. Wiley-Interscience. 1982. Table I(3.3.1). pp. 723-735.

ASTM E 308 - 01. Standard Practice for Computing the Colors of Objects by Using the CIE System. Table 1

See Also

xyz1964

Examples

1
2
summary(xyz1931.1nm)
white.point = product( D65.1nm, xyz1931.1nm, wave='auto' )

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