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Sunlight Illumination-Color-Contrast Tables for Full-form Objects

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Additional resources for Daylight Illumination: Color-Contrast Tables for Full-Form Objects

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1 The listed factor FR is the ratio of the reflected irradiance component at a given sphere latitude to the reflected irradiance component at the lower pole of the object sphere (β — -90°). 3% of the listed values. 2 This table is an auxiliary table and is the only one in the entire set in which a ground reflectance p = 1 is assumed. 2% of the listed values. 5 for definitions. 12 These tables are the illuminance-related tables. At the end of each table, maximum and minimum values of the listed quantity are indicated along with the longitude and latitude (LONGMAX, LATMAX, LONGMIN, LATMIN) where these maxima and minima occur.

In many cases, the fourth place is insignificant. 4% of the listed values. 2 For technical reasons, the dominant wavelengths and excitation purities for ß = -90° are given only once, at the bottom of the second part of the table. The letter c after a listed wavelength designates a complementary wavelength. 3. 3 This table contains the chromaticity coordinates for the color due to the total direct component of irradiation—or for the condition that the ground reflectance is zero—which is needed for follow-up colorimetric computations.

1964). Optical properties of objects, Appl. Opt. 3, 556-562. Hänel, G. (1976). The properties of atmospheric aerosol particles as functions of the relative humidity at thermodynamic equilibrium with the moist air, Adv. Geophys. 19, 74-183. Kimball, H. , and Hand, I. F. (1922). Daylight Illumination on horizontal, vertical and sloping surfaces, Monthly Weather Rev. 50,615-628. , and Möller, F. (1962). " Final Rep. Contr. DA-91-591-EUC-1612, Met. , Univ. of München, West Germany. Krochmann, J. (1970).

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