colour.colorimetry.dataset.illuminants.d_illuminants_s_spds Module

CIE Standard Illuminant D Series \(S_n(\lambda)\) Distributions

Defines the CIE Standard Illuminant D Series \(S_n(\lambda)\) distributions involved in the computation of CIE Standard Illuminant D Series relative spectral power distributions.

References

[1]Wyszecki, G., & Stiles, W. S. (2000). CIE Method of Calculating D-Illuminants. In Color Science: Concepts and Methods, Quantitative Data and Formulae (pp. 145–146). Wiley. ISBN:978-0471399186
[2]Lindbloom, B. (2007). Spectral Power Distribution of a CIE D-Illuminant. Retrieved April 05, 2014, from http://www.brucelindbloom.com/Eqn_DIlluminant.html
colour.colorimetry.dataset.illuminants.d_illuminants_s_spds.D_ILLUMINANTS_S_SPDS = CaseInsensitiveMapping({'S0': SpectralPowerDistribution( 'S0', {300: 0.04, 310: 6.0, 320: 29.6, 330: 55.3, 340: 57.3, 350: 61.8, 360: 61.5, 370: 68.8, 380: 63.4, 390: 65.8, 400: 94.8, 410: 104.8, 420: 105.9, 430: 96.8, 440: 113.9, 450: 125.6, 460: 125.5, 470: 121.3, 480: 121.3, 490: 113.5, 500: 113.1, 510: 110.8, 520: 106.5, 530: 108.8, 540: 105.3, 550: 104.4, 560: 100.0, 570: 96.0, 580: 95.1, 590: 89.1, 600: 90.5, 610: 90.3, 620: 88.4, 630: 84.0, 640: 85.1, 650: 81.9, 660: 82.6, 670: 84.9, 680: 81.3, 690: 71.9, 700: 74.3, 710: 76.4, 720: 63.3, 730: 71.7, 740: 77.0, 750: 65.2, 760: 47.7, 770: 68.6, 780: 65.0, 790: 66.0, 800: 61.0, 810: 53.3, 820: 58.9, 830: 61.9}), 'S1': SpectralPowerDistribution( 'S1', {300: 0.02, 310: 4.5, 320: 22.4, 330: 42.0, 340: 40.6, 350: 41.6, 360: 38.0, 370: 43.4, 380: 38.5, 390: 35.0, 400: 43.4, 410: 46.3, 420: 43.9, 430: 37.1, 440: 36.7, 450: 35.9, 460: 32.6, 470: 27.9, 480: 24.3, 490: 20.1, 500: 16.2, 510: 13.2, 520: 8.6, 530: 6.1, 540: 4.2, 550: 1.9, 560: 0.0, 570: -1.6, 580: -3.5, 590: -3.5, 600: -5.8, 610: -7.2, 620: -8.6, 630: -9.5, 640: -10.9, 650: -10.7, 660: -12.0, 670: -14.0, 680: -13.6, 690: -12.0, 700: -13.3, 710: -12.9, 720: -10.6, 730: -11.6, 740: -12.2, 750: -10.2, 760: -7.8, 770: -11.2, 780: -10.4, 790: -10.6, 800: -9.7, 810: -8.3, 820: -9.3, 830: -9.8}), 'S2': SpectralPowerDistribution( 'S2', {300: 0.0, 310: 2.0, 320: 4.0, 330: 8.5, 340: 7.8, 350: 6.7, 360: 5.3, 370: 6.1, 380: 3.0, 390: 1.2, 400: -1.1, 410: -0.5, 420: -0.7, 430: -1.2, 440: -2.6, 450: -2.9, 460: -2.8, 470: -2.6, 480: -2.6, 490: -1.8, 500: -1.5, 510: -1.3, 520: -1.2, 530: -1.0, 540: -0.5, 550: -0.3, 560: 0.0, 570: 0.2, 580: 0.5, 590: 2.1, 600: 3.2, 610: 4.1, 620: 4.7, 630: 5.1, 640: 6.7, 650: 7.3, 660: 8.6, 670: 9.8, 680: 10.2, 690: 8.3, 700: 9.6, 710: 8.5, 720: 7.0, 730: 7.6, 740: 8.0, 750: 6.7, 760: 5.2, 770: 7.4, 780: 6.8, 790: 7.0, 800: 6.4, 810: 5.5, 820: 6.1, 830: 6.5})})

CIE Standard Illuminant D Series \(S_n(\lambda)\) spectral power distributions

D_ILLUMINANTS_S_SPDS : CaseInsensitiveMapping
{‘S0’, ‘S1’, ‘S1’}