Table 1
Constants used in computation and checking of ρwoaa, γwoaa, βwoaa.
Designation of constant | En taken as for Plackian radiator at 4, 800°K | En taken as deduced by Davis and Gibson from the characteristics of the filters and light source by means of which the N.P.L standard white is specified |
---|
|
|
---|
| V taken as Vo, the visibility for the O. S. A. “excitation” curves | V taken as Vs, the standard visibility |
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|
|
---|
| wo″ | wo′ | ws′ |
---|
C | 1.0116 | 1.0832 | 101.75 |
(Lr)wwnn | 0.2719 | 0.26958 | 0.26926 |
(Lg)wwnn | .6983 | .70074 | .70468 |
(Lb)wwnn | .0298 | .02968 | .02606 |
| .96431 | 1.03713 | 1.03637 |
| 1.02839 | 1.09905 | 1.09904 |
| 1.04017 | 1.12762 | 1.10964 |
K1 | .50228 | .50239 | .50177 |
K2 | .50157 | .50116 | .50187 |
K3 | −.00388 | -.00355 | −.00364 |
K4 | .00708 | .00703 | .00649 |
K5 | .94813 | .94734 | .94869 |
K6 | .04479 | .04563 | .04482 |
K7 | .00052 | .00052 | .00048 |
K8 | .07003 | .06997 | .07007 |
K9 | .92945 | .92951 | .92945 |
(Lτ)woaa | .50948 | .50702 | .50750 |
(Lg)woaa | .47844 | .48145 | .48517 |
(Lb)woaa | .01208 | .01154 | .00734 |
Table 2
The O. S. A. “excitation” curves (extrapolated) for the spectrum of Abbot-Priest sunlight and for Abbot-Priest sunlight as basic stimulus; also the corresponding trilinear coordinates of the spectrum.
λ in mμ | ρooaa | γooaa | βooaa | Rooaa | Gooaa | Booaa |
---|
|
---|
380 | | | 442 | | | |
390 | | | 1,274 | | | |
400 | | | 2,717 | | | |
410 | | | 5,045 | 0.000 | 0.000 | 1.000 |
420 | | 13 | 7,679 | .000 | .002 | .998 |
430 | | 41 | 12,186 | .000 | .003 | .997 |
440 | | 100 | 14,351 | .000 | .007 | .993 |
450 | | 240 | 14,027 | .000 | .017 | .983 |
460 | 15 | 595 | 12,958 | .001 | .044 | .955 |
470 | 64 | 1,313 | 11,098 | .005 | .105 | .890 |
480 | 231 | 2,040 | 7,767 | .023 | .203 | .774 |
490 | 693 | 2,897 | 3,703 | .095 | .397 | .508 |
500 | 1,430 | 4,546 | 2,112 | .177 | .562 | .261 |
510 | 2,644 | 6,944 | 1,517 | .238 | .625 | .137 |
520 | 4,125 | 9,160 | 1,076 | .287 | .638 | .075 |
530 | 5,479 | 10,357 | 765 | .330 | .624 | .046 |
540 | 6,681 | 10,958 | 517 | .368 | .604 | .028 |
550 | 7,604 | 11,134 | 322 | .399 | .584 | .017 |
560 | 8,325 | 10,475 | 196 | .438 | .551 | .011 |
570 | 8,989 | 9,336 | 124 | .487 | .506 | .007 |
580 | 9,210 | 7,456 | 71 | .550 | .446 | .004 |
590 | 9,388 | 5,269 | 35 | .639 | .359 | .002 |
600 | 8,841 | 3,447 | 17 | .719 | .280 | .001 |
610 | 7,900 | 1,960 | | .801 | .199 | .000 |
620 | 6,291 | 1,004 | | .862 | .138 | .000 |
630 | 4,690 | 484 | | .906 | .094 | .000 |
640 | 3,161 | 164 | | .951 | .049 | .000 |
650 | 1,871 | 48 | | .975 | .025 | .000 |
660 | 1,057 | 16 | | .985 | .015 | .000 |
670 | 606 | | | 1.000 | .000 | .000 |
680 | 326 | | | | | |
690 | 187 | | | | | |
700 | 105 | | | | | |
710 | 54 | | | | | |
720 | 33 | | | | | |
|
Totals | 100,000 | 99,997 | 99,999 | | | |
Table 3
Distribution curves throughout the spectrum of Abbot-Priest sunlight embodying: (1) Wright’s experimental data assuming the N. P. L. standard white to match a Planckian radiator at 4,800°K, (2) the visibility function of the O.S.A. “excitation” curves, (3) the primary color processes of the O. S. A. “excitation” curves, and (4) Abbot-Priest sunlight as basic stimulus. The corresponding trilinear coordinates of the spectrum are also given; see relation (1).
λ in mμ | ρwo″oaa | γwo″oaa | βwo″oaa | Rwo″oaa | Gwo″oaa | Bwo″oaa |
---|
|
---|
380 | | | 305 | | | |
390 | | | 1,097 | | | |
400 | | | 2,255 | | | |
410 | | | 4,120 | 0.000 | 0.000 | 1.000 |
420 | − 6 | 7 | 6,908 | −.001 | .001 | 1.000 |
430 | −15 | 44 | 10,840 | −.001 | .004 | .997 |
440 | −43 | 145 | 12,593 | −.003 | .011 | .992 |
450 | −65 | 309 | 12,999 | −.005 | .023 | .982 |
460 | −58 | 669 | 13,882 | −.004 | .046 | .958 |
470 | 113 | 1,339 | 12,418 | .008 | .096 | .895 |
480 | 367 | 2,080 | 8,340 | .034 | .193 | .773 |
490 | 815 | 3,003 | 5,015 | .092 | .340 | .568 |
500 | 1,633 | 4,705 | 2,993 | .175 | .504 | .321 |
510 | 2,932 | 7,182 | 1,939 | .243 | .596 | .161 |
520 | 4,437 | 9,479 | 1,241 | .293 | .625 | .082 |
530 | 5,696 | 10,767 | 795 | .330 | .624 | .046 |
540 | 6,870 | 11,330 | 546 | .366 | .604 | .029 |
550 | 7,863 | 11,341 | 438 | .400 | .577 | .022 |
560 | 8,620 | 10,466 | 325 | .444 | .539 | .016 |
570 | 9,300 | 9,084 | 302 | .498 | .486 | .016 |
580 | 9,432 | 7,032 | 226 | .565 | .421 | .014 |
590 | 9,282 | 4,888 | 201 | .646 | .340 | .014 |
600 | 8,571 | 3,083 | 125 | .728 | .262 | .011 |
610 | 7,436 | 1,726 | 65 | .806 | .187 | .007 |
620 | 5,826 | 848 | 23 | .870 | .127 | .003 |
630 | 4,338 | 341 | 4 | .926 | .073 | .001 |
640 | 2,866 | 111 | | .963 | .037 | .000 |
650 | 1,684 | 24 | | .986 | .014 | .000 |
660 | 944 | 6.8 | | .993 | .007 | .000 |
670 | 534 | 0.0 | | 1.000 | .000 | .000 |
680 | 289 | −1.6 | | 1.006 | −.006 | .000 |
690 | 166 | −1.6 | | 1.010 | −.010 | .000 |
700 | 94 | −1.0 | | 1.011 | −.011 | .000 |
710 | 48 | −0.4 | | | | |
720 | 30 | −0.2 | | | | |
|
Totals | 99,999 | 100,005 | 99,995 | | | |
Table 4
Distribution curves throughout the spectrum of Abbot-Priest sunlight embodying: (1) Wright’s experimental data assuming the N. P. L. standard white to match the color corresponding to the spectral distribution of energy deduced by Davis and Gibson, (2) the visibility function of the O. S. A. “excitation” curves, (3) the primary color processes of the O.S.A. “excitation” curves, and (4) Abbot-Priest sunlight as basic stimulus. The corresponding trilinear coordinates of the spectrum are also given; see relation (1).
λ in mμ | ρwo′oaa | γwo′oaa | βwo′oaa | Gwo′oaa | Gwo′oaa | Bwo′oaa |
---|
|
---|
380 | | | 284 | | | |
390 | | | 1,149 | | | |
400 | | | 2,325 | | | |
410 | | | 4,270 | 0.000 | 0.000 | 1.000 |
420 | − 3 | 9 | 6,985 | .000 | .001 | .999 |
430 | −14 | 47 | 11,033 | −.001 | .004 | .997 |
440 | −41 | 150 | 12,708 | −.003 | .012 | .991 |
450 | −61 | 313 | 12,906 | −.005 | .024 | .981 |
460 | −53 | 675 | 13,749 | −.004 | .047 | .957 |
470 | 120 | 1,345 | 12,284 | .009 | .098 | .893 |
480 | 372 | 2,076 | 8,201 | .035 | .195 | .770 |
490 | 817 | 2,993 | 4,933 | .093 | .342 | .564 |
500 | 1,634 | 4,689 | 2,947 | .176 | .506 | .318 |
510 | 2,930 | 7,161 | 1,914 | .244 | .597 | .159 |
520 | 4,430 | 9,457 | 1,230 | .293 | .626 | .081 |
530 | 5,685 | 10,747 | 794 | .330 | .624 | .046 |
540 | 6,856 | 11,315 | 549 | .366 | .604 | .029 |
550 | 7,847 | 11,333 | 445 | .400 | .577 | .023 |
560 | 8,604 | 10,469 | 332 | .443 | .540 | .017 |
570 | 9,284 | 9,095 | 307 | .497 | .487 | .016 |
580 | 9,419 | 7,049 | 232 | .564 | .422 | .014 |
590 | 9,280 | 4,909 | 205 | .645 | .341 | .014 |
600 | 8,578 | 3,098 | 127 | .727 | .262 | .011 |
610 | 7,447 | 1,736 | 67 | .805 | .188 | .007 |
620 | 5,840 | 854 | 25 | .869 | .127 | .004 |
630 | 4,350 | 344 | 3 | .926 | .073 | .001 |
640 | 2,876 | 111 | | .963 | .037 | .000 |
650 | 1,690 | 24 | | .986 | .014 | .000 |
660 | 948 | 6.7 | | .993 | .007 | .000 |
670 | 537 | 0.0 | | 1.000 | .000 | .000 |
680 | 291 | −1.6 | | 1.006 | −.006 | .000 |
690 | 166 | −1.9 | | 1.012 | −.012 | .000 |
700 | 94 | −1.5 | | 1.016 | −.016 | .000 |
710 | 46 | −0.7 | | | | |
720 | 29 | −0.2 | | | | |
|
Totals | 99,998 | 100,000 | 100,004 | | | |
Table 5
Distribution curves throughout the spectrum of Abbot-Priest sunlight embodying: (1) Wright’s experimental data assuming that the N. P. L. standard white matches the color corresponding to the spectral distribution of energy deduced by Davis and Gibson, (2) the Gibson-Tyndall recommended visibility function adopted as the international standard, (3) the primary color processes of the O. S. A. “excitation” curves, and (4) Abbot-Priest sunlight as basic stimulus; the corresponding trilinear coordinates of the spectrum are also given, see relation (1).
λ in mμ | ρws′oaa | γws′oaa | βws′oaa | Rws′oaa | Gws′oaa | Bws′oaa |
---|
|
---|
380 | | | 25.7 | | | |
390 | | | 86.7 | | | |
400 | | | 316.5 | | | |
410 | | | 1,032 | 0.000 | 0.000 | 1.000 |
420 | − 2.3 | 3.9 | 3,593 | −.001 | .001 | 1.000 |
430 | −13 | 40 | 9,570 | −.001 | .004 | .997 |
440 | −52 | 177 | 15,552 | −.003 | .011 | .992 |
450 | −89 | 439 | 18,414 | −.005 | .023 | .981 |
460 | −68 | 833 | 17,278 | −.004 | .046 | .958 |
470 | 115 | 1,301 | 12,078 | .009 | .096 | .895 |
480 | 362 | 2,025 | 8,126 | .034 | .193 | .773 |
490 | 808 | 2,960 | 4,950 | .093 | .340 | .568 |
500 | 1,558 | 4,470 | 2,847 | .176 | .504 | .321 |
510 | 2,778 | 6,790 | 1,836 | .244 | .595 | .161 |
520 | 4,357 | 9,301 | 1,218 | .293 | .625 | .082 |
530 | 5,780 | 10,926 | 807 | .330 | .624 | .046 |
540 | 6,993 | 11,542 | 555 | .366 | .605 | .029 |
550 | 7,908 | 11,423 | 443 | .400 | .578 | .022 |
560 | 8,668 | 10,551 | 327 | .443 | .540 | .017 |
570 | 9,232 | 9,049 | 299 | .497 | .487 | .016 |
580 | 9,480 | 7,095 | 230 | .564 | .422 | .014 |
590 | 9,308 | 4,922 | 202 | .645 | .341 | .014 |
600 | 8,581 | 3,096 | 125 | .727 | .262 | .011 |
610 | 7,425 | 1,727 | 65 | .806 | .187 | .007 |
620 | 5,921 | 861 | 23 | .870 | .127 | .003 |
630 | 4,283 | 335 | 4 | .927 | .072 | .001 |
640 | 2,892 | 109 | | .964 | .036 | .000 |
650 | 1,768.2 | 22.9 | | .987 | .013 | .000 |
660 | 995.5 | 6.0 | | .994 | .006 | .000 |
670 | 512.3 | −0.4 | | 1.001 | −.001 | .000 |
680 | 267.7 | −1.7 | | 1.006 | −.006 | .000 |
690 | 125.8 | −1.6 | | 1.013 | −.013 | .000 |
700 | 61.3 | −0.7 | | 1.012 | −.012 | .000 |
710 | 30.5 | −0.4 | | | | |
720 | 14.65 | −0.20 | | | | |
|
Totals | 100,001 | 100,000 | 100,003 | | | |