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%%EndProlog
%%BeginSetup
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setup
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(User) 2750 1230 w
(Manual) 3019 1230 w
10 /Times-Bold f
(PPMCIE) 720 1920 w
10 /Times-Roman f
(Updated: July 31, 2005) 720 2076 w
(Table Of Contents) 720 2196 w
10 /Times-Bold f
(NAME) 720 2436 w
10 /Times-Roman f
(ppmcie \255 draw a CIE color chart as a PPM image) 720 2592 w
10 /Times-Bold f
(SYNOPSIS) 720 2832 w
(ppmcie) 720 2988 w
10 /Times-Roman f
([) 1063 2988 w
10 /Times-Bold f
(\255rec709) 1128 2988 w
10 /S f
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10 /Times-Bold f
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10 /S f
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10 /Times-Bold f
(\255ebu) 1690 2988 w
10 /S f
(\357) 1879 2988 w
10 /Times-Bold f
(\255hdtv) 1928 2988 w
10 /S f
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10 /Times-Bold f
(\255ntsc) 2205 2988 w
10 /S f
(\357) 2410 2988 w
10 /Times-Bold f
(\255smpte) 2459 2988 w
10 /Times-Roman f
(]) 2779 2988 w
([) 2844 2988 w
10 /Times-Bold f
(\255xy) 2877 2988 w
10 /S f
(\357) 3010 2988 w
10 /Times-Bold f
(\255upvp) 3059 2988 w
10 /Times-Roman f
(]) 3310 2988 w
([) 3375 2988 w
10 /Times-Bold f
(\255red) 3408 2988 w
10 /Times-Italic f
(rx) 3617 2988 w
(ry) 3732 2988 w
10 /Times-Roman f
(]) 3815 2988 w
([) 3880 2988 w
10 /Times-Bold f
(\255green) 3913 2988 w
10 /Times-Italic f
(gx) 4216 2988 w
(gy) 4343 2988 w
10 /Times-Roman f
(]) 4437 2988 w
([) 4503 2988 w
10 /Times-Bold f
(\255blue) 4536 2988 w
10 /Times-Italic f
(bx) 4786 2988 w
(by) 4913 2988 w
10 /Times-Roman f
(]) 5007 2988 w
([) 720 3108 w
10 /Times-Bold f
(\255white) 753 3108 w
10 /Times-Italic f
(wx) 1053 3108 w
(wy) 1198 3108 w
10 /Times-Roman f
(]) 1309 3108 w
([) 1376 3108 w
10 /Times-Bold f
(\255size) 1409 3108 w
10 /Times-Italic f
(edge) 1631 3108 w
10 /Times-Roman f
(]) 1819 3108 w
([{) 1886 3108 w
10 /Times-Bold f
(\255xsize) 1967 3108 w
10 /S f
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10 /Times-Bold f
(\255width) 2254 3108 w
10 /Times-Roman f
(}) 2532 3108 w
10 /Times-Italic f
(width) 2614 3108 w
10 /Times-Roman f
(]) 2837 3108 w
([{) 2904 3108 w
10 /Times-Bold f
(\255ysize) 2985 3108 w
10 /S f
(\357) 3223 3108 w
10 /Times-Bold f
(\255height) 3272 3108 w
10 /Times-Roman f
(}) 3572 3108 w
10 /Times-Italic f
(height) 3653 3108 w
10 /Times-Roman f
(]) 3903 3108 w
([) 3969 3108 w
10 /Times-Bold f
(\255noblack) 4002 3108 w
10 /Times-Roman f
(]) 4375 3108 w
([) 4441 3108 w
10 /Times-Bold f
(\255nowpoint) 4474 3108 w
10 /Times-Roman f
(]) 4908 3108 w
([) 4974 3108 w
10 /Times-Bold f
(\255) 5007 3108 w
(nolabel) 720 3228 w
10 /Times-Roman f
(] [) 1032 3228 w
10 /Times-Bold f
(\255noaxes) 1123 3228 w
10 /Times-Roman f
(] [) 1445 3228 w
10 /Times-Bold f
(\255full) 1536 3228 w
10 /Times-Roman f
(]) 1714 3228 w
(You may abbreviate any option to its shortest unique prefix.) 720 3384 w
10 /Times-Bold f
(DESCRIPTION) 720 3624 w
10 /Times-Roman f
(This) 720 3816 w
(program) 932 3816 w
(is) 1304 3816 w
(part) 1405 3816 w
(of) 1594 3816 w
(Netpbm.) 1711 3816 w
10 /Times-Bold f
(ppmcie) 2117 3816 w
10 /Times-Roman f
(creates) 2462 3816 w
(a) 2772 3816 w
(PPM) 2850 3816 w
(file) 3085 3816 w
(containing) 3252 3816 w
(a) 3708 3816 w
(plot) 3786 3816 w
(of) 3976 3816 w
(the) 4093 3816 w
(CIE) 4250 3816 w
("tongue") 4446 3816 w
(color) 4835 3816 w
(chart) 720 3936 w
(\255\255) 956 3936 w
(to) 1059 3936 w
(the) 1174 3936 w
(extent) 1333 3936 w
(possible) 1614 3936 w
(in) 1979 3936 w
(a) 2094 3936 w
(PPM) 2175 3936 w
(image.) 2413 3936 w
(Alternatively,) 2744 3936 w
(creates) 3333 3936 w
(a) 3645 3936 w
(pseudo\255PPM) 3725 3936 w
(image) 4278 3936 w
(of) 4558 3936 w
(the) 4677 3936 w
(color) 4835 3936 w
(tongue using RGB values from a color system of your choice.) 720 4056 w
(The) 720 4212 w
(CIE) 908 4212 w
(color) 1102 4212 w
(tongue) 1340 4212 w
(is) 1645 4212 w
(an) 1745 4212 w
(image) 1872 4212 w
(of) 2149 4212 w
(all) 2266 4212 w
(the) 2400 4212 w
(hues) 2556 4212 w
(that) 2773 4212 w
(can) 2957 4212 w
(be) 3129 4212 w
(described) 3257 4212 w
(by) 3673 4212 w
(CIE) 3807 4212 w
(X\255Y) 4002 4212 w
(chromaticity) 4213 4212 w
(coordi\255) 4752 4212 w
(nates.) 720 4332 w
(They) 1005 4332 w
(are) 1240 4332 w
(arranged) 1391 4332 w
(on) 1768 4332 w
(a) 1897 4332 w
(two) 1970 4332 w
(dimensional) 2149 4332 w
(coordinate) 2667 4332 w
(plane) 3117 4332 w
(with) 3362 4332 w
(the) 3569 4332 w
(X) 3720 4332 w
(chromaticity) 3821 4332 w
(on) 4355 4332 w
(the) 4484 4332 w
(horizontal) 4635 4332 w
(axis) 720 4452 w
(and) 919 4452 w
(the) 1101 4452 w
(Y) 1261 4452 w
(chromaticity) 1371 4452 w
(on) 1914 4452 w
(the) 2052 4452 w
(vertical) 2212 4452 w
(scale.) 2549 4452 w
(\(You) 2836 4452 w
(can) 3079 4452 w
(choose) 3255 4452 w
(alternatively) 3570 4452 w
(to) 4107 4452 w
(use) 4223 4452 w
(CIE) 4394 4452 w
(u'\255v') 4593 4452 w
(chro\255) 4830 4452 w
(maticity coordinates, but the general idea of the color tongue is the same\).) 720 4572 w
(Note) 720 4728 w
(that) 947 4728 w
(the) 1130 4728 w
(PPM) 1285 4728 w
(format) 1519 4728 w
(specifies) 1818 4728 w
(that) 2200 4728 w
(the) 2383 4728 w
(RGB) 2538 4728 w
(values) 2777 4728 w
(in) 3065 4728 w
(the) 3176 4728 w
(file) 3331 4728 w
(are) 3497 4728 w
(from) 3651 4728 w
(the) 3879 4728 w
(ITU\255R) 4035 4728 w
(Recommendation) 4335 4728 w
(BT.709) 720 4848 w
(color) 1058 4848 w
(system,) 1298 4848 w
(gamma\255corrected.) 1636 4848 w
(And) 2418 4848 w
(positive.) 2625 4848 w
(See) 3027 4848 w
10 /Times-Bold f
(ppm) 3206 4848 w
10 /Times-Roman f
(for) 3436 4848 w
(details.) 3587 4848 w
(If) 3933 4848 w
(you) 4033 4848 w
(use) 4217 4848 w
(one) 4384 4848 w
(of) 4562 4848 w
(the) 4679 4848 w
(color) 4835 4848 w
(system) 720 4968 w
(options) 1027 4968 w
(on) 1351 4968 w
10 /Times-Bold f
(ppmcie) 1480 4968 w
10 /Times-Roman f
(,) 1791 4968 w
(what) 1845 4968 w
(you) 2068 4968 w
(get) 2247 4968 w
(is) 2398 4968 w
(not) 2495 4968 w
(a) 2653 4968 w
(true) 2727 4968 w
(PPM) 2912 4968 w
(image,) 3143 4968 w
(but) 3442 4968 w
(is) 3600 4968 w
(very) 3697 4968 w
(similar.) 3904 4968 w
(If) 4262 4968 w
(you) 4358 4968 w
(display) 4538 4968 w
(such) 4857 4968 w
10 /Times-Bold f
(ppmcie) 720 5088 w
10 /Times-Roman f
(output) 1067 5088 w
(using) 1359 5088 w
(a) 1612 5088 w
(device) 1692 5088 w
(that) 1988 5088 w
(expects) 2174 5088 w
(PPM) 2509 5088 w
(input) 2746 5088 w
(\(which) 2988 5088 w
(includes) 3301 5088 w
(just) 3670 5088 w
(about) 3851 5088 w
(any) 4109 5088 w
(computer) 4289 5088 w
(graphics) 4702 5088 w
(display program\), it will display the wrong colors.) 720 5208 w
(However, you may have a device that expects one of these variations on PPM.) 720 5364 w
(In every RGB color system you can) 720 5520 w
(specify,) 2177 5520 w
(including) 2516 5520 w
(the) 2920 5520 w
(default) 3068 5520 w
(\(which) 3371 5520 w
(produces) 3674 5520 w
(a) 4060 5520 w
(true) 4130 5520 w
(PPM) 4311 5520 w
(image\)) 4538 5520 w
(there) 4841 5520 w
(are) 720 5640 w
(hues) 882 5640 w
(in) 1106 5640 w
(the) 1225 5640 w
(color) 1388 5640 w
(tongue) 1634 5640 w
(that) 1947 5640 w
(can't) 2138 5640 w
(be) 2378 5640 w
(represented.) 2513 5640 w
(For) 3063 5640 w
(example,) 3242 5640 w
(monochromatic) 3645 5640 w
(blue\255green) 4312 5640 w
(with) 4778 5640 w
(a) 4996 5640 w
(wavelength of 500nm cannot be represented in a PPM image.) 720 5760 w
(For) 720 5916 w
(these) 885 5916 w
(hues,) 1116 5916 w
10 /Times-Bold f
(ppmcie) 1350 5916 w
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(substitutes) 1687 5916 w
(a) 2136 5916 w
(similar) 2206 5916 w
(hue) 2511 5916 w
(as) 2682 5916 w
(follows:) 2792 5916 w
(They) 3147 5916 w
(are) 3379 5916 w
(desaturated) 3527 5916 w
(and) 4008 5916 w
(rendered) 4179 5916 w
(as) 4554 5916 w
(the) 4664 5916 w
(shade) 4813 5916 w
(where) 720 6036 w
(the) 993 6036 w
(edge) 1145 6036 w
(of) 1363 6036 w
(the) 1476 6036 w
(Maxwell) 1628 6036 w
(triangle) 2013 6036 w
(intersects) 2348 6036 w
(a) 2754 6036 w
(line) 2827 6036 w
(drawn) 3006 6036 w
(from) 3284 6036 w
(the) 3507 6036 w
(requested) 3658 6036 w
(shade) 4069 6036 w
(to) 4325 6036 w
(the) 4432 6036 w
(white) 4583 6036 w
(point) 4834 6036 w
(defined) 720 6156 w
(by) 1066 6156 w
(the) 1213 6156 w
(color) 1382 6156 w
(system's) 1634 6156 w
(white) 2031 6156 w
(point.) 2300 6156 w
(Furthermore,) 2603 6156 w
(unless) 3174 6156 w
(you) 3471 6156 w
(specify) 3668 6156 w
(the) 4004 6156 w
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(\255full) 4174 6156 w
10 /Times-Roman f
(option,) 4400 6156 w
10 /Times-Bold f
(ppmcie) 4729 6156 w
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(reduces their intensity by 25% compared to the true hues in the image.) 720 6276 w
10 /Times-Bold f
(ppmcie) 720 6432 w
10 /Times-Roman f
(draws and labels the CIE X\255Y coordinate axes unless you choose otherwise with options.) 1056 6432 w
10 /Times-Bold f
(ppmcie) 720 6588 w
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(draws) 1060 6588 w
(the) 1327 6588 w
(Maxwell) 1478 6588 w
(triangle) 1862 6588 w
(for) 2196 6588 w
(the) 2341 6588 w
(color) 2492 6588 w
(system) 2726 6588 w
(in) 3033 6588 w
(use) 3140 6588 w
(on) 3302 6588 w
(the) 3431 6588 w
(color) 3582 6588 w
(tongue.) 3816 6588 w
(The) 4167 6588 w
(Maxwell) 4351 6588 w
(triangle) 4735 6588 w
(is) 720 6708 w
(the) 816 6708 w
(triangle) 967 6708 w
(whose) 1301 6708 w
(vertices) 1585 6708 w
(are) 1924 6708 w
(the) 2074 6708 w
(primary) 2225 6708 w
(illuminant) 2570 6708 w
(hues) 3011 6708 w
(for) 3223 6708 w
(the) 3368 6708 w
(color) 3518 6708 w
(system.) 3751 6708 w
(The) 4107 6708 w
(hues) 4290 6708 w
(inside) 4501 6708 w
(the) 4768 6708 w
(tri\255) 4918 6708 w
(angle) 720 6828 w
(show) 967 6828 w
(the) 1209 6828 w
(color) 1362 6828 w
(gamut) 1598 6828 w
(for) 1879 6828 w
(the) 2026 6828 w
(color) 2179 6828 w
(system.) 2415 6828 w
(They) 2774 6828 w
(are) 3010 6828 w
(also) 3162 6828 w
(the) 3355 6828 w
(only) 3509 6828 w
(ones) 3719 6828 w
(that) 3934 6828 w
(are) 4116 6828 w
(correct) 4269 6828 w
(for) 4577 6828 w
(the) 4725 6828 w
(CIE) 4879 6828 w
(X\255Y) 720 6948 w
(chromaticity) 931 6948 w
(coordinates) 1470 6948 w
(shown.) 1964 6948 w
(\(See) 2309 6948 w
(explanation) 2520 6948 w
(above\).) 3020 6948 w
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(ppmcie) 3375 6948 w
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(denotes) 3720 6948 w
(the) 4059 6948 w
(Maxwell) 4214 6948 w
(triangle) 4602 6948 w
(by) 4940 6948 w
(rendering) 720 7068 w
(it) 1132 7068 w
(at) 1218 7068 w
(full) 1320 7068 w
(brightness,) 1489 7068 w
(while) 1955 7068 w
(rendering) 2207 7068 w
(the) 2619 7068 w
(rest) 2771 7068 w
(of) 2945 7068 w
(the) 3058 7068 w
(color) 3210 7068 w
(tongue) 3445 7068 w
(as) 3747 7068 w
(3/4) 3860 7068 w
(brightness.) 4018 7068 w
(You) 4509 7068 w
(can) 4711 7068 w
(turn) 4879 7068 w
(this off with options.) 720 7188 w
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10 /Times-Roman f
(\255 2 \255) 2797 480 w
10 /Times-Bold f
(ppmcie) 720 840 w
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(also) 1057 840 w
(places) 1244 840 w
(a) 1520 840 w
(black) 1591 840 w
(cross) 1834 840 w
(at) 2066 840 w
(the) 2165 840 w
(color) 2314 840 w
(system's) 2546 840 w
(white) 2923 840 w
(point) 3172 840 w
(\(with) 3405 840 w
(the) 3643 840 w
(center) 3792 840 w
(of) 4062 840 w
(the) 4172 840 w
(cross) 4321 840 w
(open) 4553 840 w
(so) 4774 840 w
(you) 4890 840 w
(can) 720 960 w
(actually) 885 960 w
(see) 1228 960 w
(the) 1382 960 w
(white) 1531 960 w
(color\)) 1780 960 w
(and) 2045 960 w
(displays) 2216 960 w
(in) 2571 960 w
(text) 2676 960 w
(the) 2853 960 w
(CIE) 3002 960 w
(X\255Y) 3190 960 w
(chromaticities) 3394 960 w
(of) 3987 960 w
(the) 4097 960 w
(primary) 4246 960 w
(illuminants) 4589 960 w
(and white point for the color system.) 720 1080 w
(You can turn this off with options, though.) 2238 1080 w
10 /Times-Bold f
(ppmcie) 720 1236 w
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(annotates) 1063 1236 w
(the) 1472 1236 w
(periphery) 1626 1236 w
(of) 2040 1236 w
(the) 2155 1236 w
(color) 2309 1236 w
(tongue) 2546 1236 w
(with) 2850 1236 w
(the) 3060 1236 w
(wavelength,) 3214 1236 w
(in) 3731 1236 w
(nanometers) 3841 1236 w
(of) 4333 1236 w
(the) 4448 1236 w
(monochro\255) 4602 1236 w
(matic hues which appear there.) 720 1356 w
10 /Times-Bold f
(ppmcie) 720 1512 w
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(displays) 1060 1512 w
(the) 1417 1512 w
(black) 1568 1512 w
(body) 1814 1512 w
(chromaticity) 2044 1512 w
(curve) 2579 1512 w
(for) 2830 1512 w
(Planckian) 2976 1512 w
(radiators) 3400 1512 w
(from) 3779 1512 w
(1000) 4003 1512 w
(to) 4233 1512 w
(30000) 4341 1512 w
(kelvins) 4621 1512 w
(on) 4940 1512 w
(the image.) 720 1632 w
(This curve traces the colors of black bodies as various temperatures.) 1186 1632 w
(You can choose from several standard color systems, or specify one of your own numerically.) 720 1788 w
(CIE) 720 1944 w
(charts,) 912 1944 w
(by) 1206 1944 w
(their) 1337 1944 w
(very) 1551 1944 w
(nature,) 1759 1944 w
(contain) 2064 1944 w
(a) 2389 1944 w
(very) 2464 1944 w
(large) 2672 1944 w
(number) 2902 1944 w
(of) 3238 1944 w
(colors.) 3352 1944 w
(If) 3677 1944 w
(you're) 3774 1944 w
(encoding) 4065 1944 w
(the) 4463 1944 w
(chart) 4617 1944 w
(for) 4848 1944 w
(a) 4996 1944 w
(color) 720 2064 w
(mapped) 958 2064 w
(device) 1307 2064 w
(or) 1600 2064 w
(file) 1716 2064 w
(format,) 1882 2064 w
(you'll) 2206 2064 w
(need) 2478 2064 w
(to) 2699 2064 w
(use) 2810 2064 w
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(pnmquant) 2976 2064 w
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(or) 3455 2064 w
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(ppmdither) 3571 2064 w
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(to) 4059 2064 w
(reduce) 4169 2064 w
(the) 4466 2064 w
(number) 4620 2064 w
(of) 4957 2064 w
(colors in the image.) 720 2184 w
10 /Times-Bold f
(OPTIONS) 720 2424 w
(\255rec709) 970 2616 w
(\255cie) 970 2772 w
(\255ebu) 970 2928 w
(\255hdtv) 970 3084 w
(\255ntsc) 970 3240 w
(\255smpte) 970 3396 w
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(Select) 1258 3396 w
(a) 1536 3396 w
(standard) 1614 3396 w
(color) 1986 3396 w
(system) 2225 3396 w
(whose) 2537 3396 w
(gamut) 2827 3396 w
(to) 3112 3396 w
(plot.) 3225 3396 w
(The) 3466 3396 w
(default) 3656 3396 w
(is) 3968 3396 w
10 /Times-Bold f
(\255rec709) 4070 3396 w
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(,) 4385 3396 w
(which) 4445 3396 w
(chooses) 4724 3396 w
(ITU\255R) 1220 3516 w
(Recommendation) 1522 3516 w
(BT.709,) 2262 3516 w
(gamma\255corrected.) 2625 3516 w
(This) 3407 3516 w
(is) 3620 3516 w
(the) 3722 3516 w
(only) 3879 3516 w
(color) 4092 3516 w
(system) 4332 3516 w
(for) 4645 3516 w
(which) 4796 3516 w
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(ppmcie) 1220 3636 w
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('s) 1531 3636 w
(output) 1642 3636 w
(is) 1937 3636 w
(a) 2044 3636 w
(true) 2128 3636 w
(PPM) 2323 3636 w
(image.) 2564 3636 w
(See) 2898 3636 w
(explanation) 3082 3636 w
(above.) 3588 3636 w
10 /Times-Bold f
(\255ebu) 3916 3636 w
10 /Times-Roman f
(chooses) 4145 3636 w
(the) 4501 3636 w
(primaries) 4663 3636 w
(used) 1220 3756 w
(in) 1430 3756 w
(the) 1535 3756 w
(PAL) 1684 3756 w
(and) 1900 3756 w
(SECAM) 2070 3756 w
(broadcasting) 2441 3756 w
(standards.) 2977 3756 w
10 /Times-Bold f
(\255ntsc) 3430 3756 w
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(chooses) 3661 3756 w
(the) 4003 3756 w
(primaries) 4151 3756 w
(specified) 4554 3756 w
(by) 4940 3756 w
(the) 1220 3876 w
(NTSC) 1390 3876 w
(broadcasting) 1694 3876 w
(system) 2253 3876 w
(\(few) 2580 3876 w
(modern) 2811 3876 w
(monitors) 3165 3876 w
(actually) 3570 3876 w
(cover) 3935 3876 w
(this) 4205 3876 w
(range\).) 4399 3876 w
10 /Times-Bold f
(\255smpte) 4752 3876 w
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(selects) 1220 3996 w
(the) 1515 3996 w
(primaries) 1666 3996 w
(recommended) 2072 3996 w
(by) 2666 3996 w
(the) 2795 3996 w
(Society) 2946 3996 w
(of) 3274 3996 w
(Motion) 3385 3996 w
(Picture) 3708 3996 w
(and) 4019 3996 w
(Television) 4191 3996 w
(Engineers) 4641 3996 w
(\(SMPTE\)) 1220 4116 w
(in) 1641 4116 w
(standards) 1751 4116 w
(RP\25537) 2160 4116 w
(and) 2448 4116 w
(RP\255145,) 2624 4116 w
(and) 2987 4116 w
10 /Times-Bold f
(\255hdtv) 3163 4116 w
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(uses) 3423 4116 w
(the) 3627 4116 w
(much) 3781 4116 w
(broader) 4035 4116 w
10 /Times-Italic f
(HDTV) 4371 4116 w
(ideal) 4664 4116 w
10 /Times-Roman f
(pri\255) 4896 4116 w
(maries.) 1220 4236 w
10 /Times-Bold f
(\255cie) 1566 4236 w
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(chooses) 1744 4236 w
(a) 2089 4236 w
(color) 2162 4236 w
(system) 2396 4236 w
(that) 2703 4236 w
(has) 2882 4236 w
(the) 3044 4236 w
(largest) 3195 4236 w
(possible) 3490 4236 w
(gamut) 3847 4236 w
(within) 4126 4236 w
(the) 4411 4236 w
(spectrum) 4562 4236 w
(of) 4957 4236 w
(the) 1220 4356 w
(chart.) 1383 4356 w
(This) 1673 4356 w
(is) 1892 4356 w
(the) 2000 4356 w
(same) 2163 4356 w
(color) 2409 4356 w
(system) 2655 4356 w
(as) 2974 4356 w
(you) 3098 4356 w
(get) 3289 4356 w
(with) 3452 4356 w
(the) 3671 4356 w
10 /Times-Bold f
(\255cie) 3835 4356 w
10 /Times-Roman f
(option) 4026 4356 w
(to) 4324 4356 w
(John) 4444 4356 w
(Walker's) 4675 4356 w
10 /Times-Bold f
(cietoppm) 1220 4476 w
10 /Times-Roman f
(program.) 1639 4476 w
10 /Times-Bold f
(\255xy) 970 4632 w
10 /Times-Roman f
(plot CIE 1931 x y chromaticities.) 1220 4632 w
(This is the default.) 2603 4632 w
10 /Times-Bold f
(\255upvp) 970 4788 w
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(plot) 1221 4788 w
(u') 1404 4788 w
(v') 1514 4788 w
(1976) 1624 4788 w
(chromaticities) 1851 4788 w
(rather) 2444 4788 w
(than) 2703 4788 w
(CIE) 2903 4788 w
(1931) 3092 4788 w
(x) 3320 4788 w
(y) 3398 4788 w
(chromaticities.) 3476 4788 w
(The) 4120 4788 w
(advantage) 4303 4788 w
(of) 4735 4788 w
(u') 4846 4788 w
(v') 4957 4788 w
(coordinates) 1220 4908 w
(is) 1706 4908 w
(that) 1799 4908 w
(equal) 1975 4908 w
(intervals) 2217 4908 w
(of distance on the u' v' plane correspond roughly to the eye's) 2587 4908 w
(ability to discriminate colors.) 1220 5028 w
10 /Times-Bold f
(\255red) 970 5184 w
10 /Times-Italic f
(rx) 1179 5184 w
(ry) 1294 5184 w
10 /Times-Roman f
(specifies) 1377 5184 w
(the) 1758 5184 w
(CIE) 1912 5184 w
10 /Times-Italic f
(x) 2105 5184 w
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(and) 2181 5184 w
10 /Times-Italic f
(y) 2357 5184 w
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(co\255ordinates) 2433 5184 w
(of) 2958 5184 w
(the) 3073 5184 w
(red) 3227 5184 w
(illuminant) 3387 5184 w
(of) 3832 5184 w
(a) 3948 5184 w
(custom) 4025 5184 w
(color) 4347 5184 w
(system) 4585 5184 w
(and) 4896 5184 w
(selects the custom system.) 1220 5304 w
10 /Times-Bold f
(\255green) 970 5460 w
10 /Times-Italic f
(gx) 1275 5460 w
(gy) 1403 5460 w
10 /Times-Roman f
(specifies) 1497 5460 w
(the) 1880 5460 w
(CIE) 2036 5460 w
10 /Times-Italic f
(x) 2231 5460 w
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(and) 2309 5460 w
10 /Times-Italic f
(y) 2487 5460 w
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(co\255ordinates) 2565 5460 w
(of) 3092 5460 w
(the) 3209 5460 w
(green) 3365 5460 w
(illuminant) 3621 5460 w
(of) 4068 5460 w
(the) 4186 5460 w
(color) 4343 5460 w
(system) 4583 5460 w
(and) 4896 5460 w
(selects the custom system.) 1220 5580 w
10 /Times-Bold f
(\255blue) 970 5736 w
10 /Times-Italic f
(bx) 1227 5736 w
(by) 1361 5736 w
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(specifies) 1455 5736 w
(the) 1844 5736 w
(CIE) 2006 5736 w
10 /Times-Italic f
(x) 2207 5736 w
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(and) 2291 5736 w
10 /Times-Italic f
(y) 2475 5736 w
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(co\255ordinates) 2559 5736 w
(of) 3092 5736 w
(the) 3215 5736 w
(blue) 3378 5736 w
(illuminant) 3591 5736 w
(of) 4044 5736 w
(the) 4168 5736 w
(color) 4331 5736 w
(system) 4577 5736 w
(and) 4896 5736 w
(selects the custom system.) 1220 5856 w
10 /Times-Bold f
(\255white) 970 6012 w
10 /Times-Italic f
(wx) 1263 6012 w
(wy) 1401 6012 w
10 /Times-Roman f
(specifies) 1512 6012 w
(the) 1888 6012 w
(CIE) 2037 6012 w
10 /Times-Italic f
(x) 2225 6012 w
10 /Times-Roman f
(and) 2296 6012 w
10 /Times-Italic f
(y) 2467 6012 w
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(co\255ordinates) 2538 6012 w
(of) 3058 6012 w
(the) 3168 6012 w
(white) 3318 6012 w
(point) 3568 6012 w
(of) 3802 6012 w
(the) 3913 6012 w
(color) 4063 6012 w
(system) 4296 6012 w
(and) 4602 6012 w
(selects) 4774 6012 w
(the custom system.) 1220 6132 w
10 /Times-Bold f
(\255size) 970 6288 w
10 /Times-Italic f
(edge) 1183 6288 w
10 /Times-Roman f
(Create a pixmap of) 1371 6288 w
10 /Times-Italic f
(edge) 2158 6288 w
10 /Times-Roman f
(by) 2371 6288 w
10 /Times-Italic f
(edge) 2496 6288 w
10 /Times-Roman f
(pixels.) 2709 6288 w
(The default is 512x512.) 3023 6288 w
10 /Times-Bold f
(\255xsize) 970 6444 w
10 /S f
(\357) 1208 6444 w
10 /Times-Bold f
(\255width) 1257 6444 w
10 /Times-Italic f
(width) 1565 6444 w
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(Sets) 1788 6444 w
(the) 1985 6444 w
(width) 2137 6444 w
(of) 2396 6444 w
(the) 2510 6444 w
(generated) 2663 6444 w
(image) 3081 6444 w
(to) 3356 6444 w
10 /Times-Italic f
(width) 3465 6444 w
10 /Times-Roman f
(pixels.) 3719 6444 w
(The) 4039 6444 w
(default) 4225 6444 w
(width) 4533 6444 w
(is) 4792 6444 w
(512) 4890 6444 w
(pixels.) 1220 6564 w
(If the height and width of the image are not the same, the CIE diagram will be stretched) 1535 6564 w
(in the longer dimension.) 1220 6684 w
10 /Times-Bold f
(\255ysize) 970 6840 w
10 /S f
(\357) 1208 6840 w
10 /Times-Bold f
(\255height) 1257 6840 w
10 /Times-Italic f
(height) 1592 6840 w
10 /Times-Roman f
(Sets) 1842 6840 w
(the) 2044 6840 w
(height) 2201 6840 w
(of) 2486 6840 w
(the) 2604 6840 w
(generated) 2761 6840 w
(image) 3183 6840 w
(to) 3462 6840 w
10 /Times-Italic f
(height) 3575 6840 w
10 /Times-Roman f
(pixels.) 3860 6840 w
(The) 4184 6840 w
(default) 4374 6840 w
(height) 4687 6840 w
(is) 4973 6840 w
(512) 1220 6960 w
(pixels.) 1407 6960 w
(If) 1733 6960 w
(the) 1836 6960 w
(height) 1995 6960 w
(and) 2282 6960 w
(width) 2463 6960 w
(of) 2728 6960 w
(the) 2848 6960 w
(image) 3007 6960 w
(are) 3288 6960 w
(not) 3446 6960 w
(the) 3611 6960 w
(same,) 3770 6960 w
(the) 4036 6960 w
(CIE) 4194 6960 w
(diagram) 4391 6960 w
(will) 4754 6960 w
(be) 4946 6960 w
(stretched in the longer dimension.) 1220 7080 w
10 /Times-Bold f
(\255noblack) 970 7236 w
10 /Times-Roman f
(Don't plot the black body chromaticity curve.) 1343 7236 w
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10 /Times-Roman f
(\255 3 \255) 2797 480 w
10 /Times-Bold f
(\255nowpoint) 970 840 w
10 /Times-Roman f
(Don't plot the color system's white point.) 1404 840 w
10 /Times-Bold f
(\255nolabel) 970 996 w
10 /Times-Roman f
(Omit the label.) 1315 996 w
10 /Times-Bold f
(\255noaxes) 970 1152 w
10 /Times-Roman f
(Don't plot axes.) 1292 1152 w
10 /Times-Bold f
(\255full) 970 1308 w
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(Plot) 1220 1308 w
(the) 1412 1308 w
(entire) 1564 1308 w
(CIE) 1821 1308 w
(tongue) 2012 1308 w
(in) 2314 1308 w
(full) 2422 1308 w
(brightness;) 2592 1308 w
(don't) 3062 1308 w
(dim) 3304 1308 w
(the) 3491 1308 w
(part) 3644 1308 w
(which) 3830 1308 w
(is) 4105 1308 w
(outside) 4203 1308 w
(the) 4523 1308 w
(gamut) 4676 1308 w
(of) 4957 1308 w
(the specified color system \(i.e. outside the Maxwell triangle\).) 1220 1428 w
10 /Times-Bold f
(INTERPRETATION OF COLOR CHART) 720 1668 w
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(A color spectrum is a linear combination of one or more monochromatic colors.) 720 1860 w
(A) 720 2016 w
(color) 821 2016 w
(is) 1055 2016 w
(a) 1151 2016 w
(set) 1224 2016 w
(of) 1364 2016 w
(color) 1476 2016 w
(spectra) 1710 2016 w
(that) 2021 2016 w
(all) 2200 2016 w
(look) 2329 2016 w
(the) 2536 2016 w
(same) 2687 2016 w
(to) 2922 2016 w
(the) 3030 2016 w
(human) 3182 2016 w
(eye) 3484 2016 w
(\(and) 3652 2016 w
(brain\).) 3859 2016 w
(Actually,) 4177 2016 w
(for) 4576 2016 w
(the) 4722 2016 w
(pur\255) 4874 2016 w
(poses) 720 2136 w
(of) 972 2136 w
(the) 1085 2136 w
(definition,) 1237 2136 w
(we) 1681 2136 w
(assume) 1827 2136 w
(the) 2151 2136 w
(eye) 2303 2136 w
(has) 2470 2136 w
(infinite) 2632 2136 w
(precision,) 2950 2136 w
(so) 3370 2136 w
(we) 3488 2136 w
(can) 3633 2136 w
(call) 3800 2136 w
(two) 3973 2136 w
(color) 4152 2136 w
(spectra) 4386 2136 w
(different) 4697 2136 w
(colors even though they're so close a person couldn't possibly tell them apart.) 720 2256 w
(The eye contains 3 kinds of color receptors \(cones\).) 720 2412 w
(Each has a) 2834 2412 w
(different) 3286 2412 w
(response) 3655 2412 w
(to) 4030 2412 w
(the) 4134 2412 w
(various) 4282 2412 w
(monochro\255) 4602 2412 w
(matic) 720 2532 w
(colors.) 971 2532 w
(One) 1294 2532 w
(kind) 1489 2532 w
(responds) 1696 2532 w
(most) 2080 2532 w
(strongly) 2304 2532 w
(to) 2661 2532 w
(blue,) 2768 2532 w
(another) 2993 2532 w
(red,) 3320 2532 w
(another) 3500 2532 w
(green.) 3827 2532 w
(Because) 4126 2532 w
(there) 4486 2532 w
(are) 4713 2532 w
(only) 4862 2532 w
(three,) 720 2652 w
(many) 980 2652 w
(different) 1238 2652 w
(color) 1617 2652 w
(spectra) 1858 2652 w
(will) 2176 2652 w
(excite) 2368 2652 w
(the) 2642 2652 w
(cones) 2800 2652 w
(at) 3063 2652 w
(exactly) 3171 2652 w
(the) 3495 2652 w
(same) 3653 2652 w
(level,) 3894 2652 w
(so) 4149 2652 w
(the) 4275 2652 w
(eye) 4434 2652 w
(cannot) 4609 2652 w
(tell) 4912 2652 w
(them apart.) 720 2772 w
(All such spectra that excite the cones in the same way are a single color.) 1219 2772 w
(Each) 720 2928 w
(point) 949 2928 w
(in) 1185 2928 w
(the) 1293 2928 w
(color) 1445 2928 w
(tongue) 1680 2928 w
(represents) 1982 2928 w
(a) 2416 2928 w
(unique) 2490 2928 w
(color.) 2792 2928 w
(But) 3077 2928 w
(there) 3252 2928 w
(are) 3481 2928 w
(an) 3632 2928 w
(infinite) 3756 2928 w
(number) 4075 2928 w
(of) 4410 2928 w
(color) 4523 2928 w
(spectra) 4758 2928 w
(in) 720 3048 w
(the) 826 3048 w
(set) 976 3048 w
(that) 1115 3048 w
(is) 1293 3048 w
(that) 1388 3048 w
(color;) 1566 3048 w
(i.e.) 1826 3048 w
(an) 1975 3048 w
(infinite) 2096 3048 w
(number) 2412 3048 w
(of) 2744 3048 w
(color) 2854 3048 w
(spectra) 3086 3048 w
(that) 3395 3048 w
(would) 3572 3048 w
(look) 3849 3048 w
(to) 4054 3048 w
(you) 4159 3048 w
(like) 4336 3048 w
(this) 4513 3048 w
(point.) 4685 3048 w
(A) 4968 3048 w
(machine could tell them apart, but you could not.) 720 3168 w
(Remember) 720 3324 w
(that) 1185 3324 w
(the) 1362 3324 w
(colors) 1511 3324 w
(outside) 1782 3324 w
(the) 2099 3324 w
(highlighted) 2249 3324 w
(triangle) 2733 3324 w
(are) 3066 3324 w
(approximations) 3215 3324 w
(of) 3865 3324 w
(the) 3976 3324 w
(real) 4126 3324 w
(colors) 4303 3324 w
(because) 4575 3324 w
(the) 4918 3324 w
(PPM) 720 3444 w
(format) 948 3444 w
(cannot) 1241 3444 w
(represent) 1534 3444 w
(them) 1926 3444 w
(\(and) 2153 3444 w
(your) 2356 3444 w
(display) 2565 3444 w
(device) 2880 3444 w
(probably) 3166 3444 w
(cannot) 3547 3444 w
(display) 3839 3444 w
(them\).) 4154 3444 w
(That) 4463 3444 w
(is,) 4672 3444 w
(unless) 4790 3444 w
(you're using a variation of PPM and a special display device, as discussed earlier in this manual.) 720 3564 w
(A) 720 3720 w
(color) 819 3720 w
(is) 1051 3720 w
(always) 1145 3720 w
(relative) 1449 3720 w
(to) 1775 3720 w
(some) 1880 3720 w
(given) 2118 3720 w
(maximum) 2368 3720 w
(brightness.) 2802 3720 w
(A) 3291 3720 w
(particular) 3391 3720 w
(beam) 3801 3720 w
(of) 4045 3720 w
(light) 4156 3720 w
(looks) 4368 3720 w
(lime) 4613 3720 w
(green) 4819 3720 w
(if) 720 3840 w
(in) 820 3840 w
(a) 937 3840 w
(dim) 1020 3840 w
(field,) 1215 3840 w
(but) 1462 3840 w
(pea) 1629 3840 w
(green) 1806 3840 w
(if) 2066 3840 w
(in) 2166 3840 w
(a) 2283 3840 w
(bright) 2366 3840 w
(field.) 2644 3840 w
(An) 2916 3840 w
(image) 3077 3840 w
(on) 3360 3840 w
(a) 3498 3840 w
(movie) 3580 3840 w
(screen) 3868 3840 w
(may) 4160 3840 w
(look) 4370 3840 w
(pitch) 4586 3840 w
(black) 4824 3840 w
(because) 720 3960 w
(the) 1061 3960 w
(projector) 1209 3960 w
(is) 1595 3960 w
(not) 1688 3960 w
(shining) 1842 3960 w
(any) 2163 3960 w
(light) 2333 3960 w
(on) 2543 3960 w
(it,) 2669 3960 w
(but) 2776 3960 w
(when) 2930 3960 w
(you) 3172 3960 w
(turn) 3348 3960 w
(off) 3535 3960 w
(the) 3677 3960 w
(projector) 3825 3960 w
(and) 4211 3960 w
(look) 4382 3960 w
(at) 4587 3960 w
(the) 4686 3960 w
(same) 4835 3960 w
(spot) 720 4080 w
(in) 914 4080 w
(room) 1019 4080 w
(light,) 1257 4080 w
(the) 1493 4080 w
(screen) 1642 4080 w
(looks) 1923 4080 w
(quite) 2167 4080 w
(white.) 2394 4080 w
(The) 2693 4080 w
(same) 2875 4080 w
(light) 3107 4080 w
(from) 3317 4080 w
(that) 3537 4080 w
(spot) 3713 4080 w
(hit) 3906 4080 w
(your) 4038 4080 w
(eye) 4247 4080 w
(with) 4411 4080 w
(the) 4615 4080 w
(project) 4763 4080 w
(on as with it off.) 720 4200 w
(The) 720 4356 w
(chart) 904 4356 w
(shows) 1132 4356 w
(two) 1411 4356 w
(dimensions) 1590 4356 w
(of) 2075 4356 w
(color.) 2187 4356 w
(The) 2471 4356 w
(third) 2655 4356 w
(is) 2873 4356 w
(intensity.) 2969 4356 w
(All) 3393 4356 w
(the) 3550 4356 w
(colors) 3702 4356 w
(in) 3976 4356 w
(the) 4084 4356 w
(chart) 4236 4356 w
(have) 4465 4356 w
(the) 4683 4356 w
(same) 4835 4356 w
(intensity.) 720 4476 w
(To) 1161 4476 w
(get) 1318 4476 w
(all) 1486 4476 w
(possible) 1632 4476 w
(colors) 2006 4476 w
(in) 2296 4476 w
(the) 2420 4476 w
(gamut,) 2588 4476 w
(Make) 2909 4476 w
(copies) 3182 4476 w
(of) 3483 4476 w
(the) 3612 4476 w
(whole) 3779 4476 w
(chart) 4068 4476 w
(at) 4312 4476 w
(every) 4429 4476 w
(intensity) 4695 4476 w
(between zero and the maximum.) 720 4596 w
(The) 720 4752 w
(edge) 901 4752 w
(of) 1115 4752 w
(the) 1224 4752 w
(tongue) 1372 4752 w
(consists) 1670 4752 w
(of) 2013 4752 w
(all) 2122 4752 w
(the) 2248 4752 w
(monochromatic) 2396 4752 w
(colors.) 3049 4752 w
(A) 3369 4752 w
(monochromatic) 3467 4752 w
(color) 4120 4752 w
(is) 4351 4752 w
(one) 4444 4752 w
(with) 4614 4752 w
(a) 4819 4752 w
(sin\255) 4890 4752 w
(gle wavelength.) 720 4872 w
(I.e. a color that is in a rainbow.) 1402 4872 w
(The numbers you see are the wavelengths in nanometers.) 2694 4872 w
(Any) 720 5028 w
(straight) 921 5028 w
(line) 1250 5028 w
(segment) 1429 5028 w
(within) 1791 5028 w
(the) 2076 5028 w
(tongue) 2227 5028 w
(contains) 2528 5028 w
(colors) 2890 5028 w
(which) 3163 5028 w
(are) 3436 5028 w
(linear) 3586 5028 w
(combinations) 3842 5028 w
(of) 4410 5028 w
(two) 4522 5028 w
(colors) 4701 5028 w
(\255\255) 4974 5028 w
(the colors at either end of the line segment.) 720 5148 w
(Any) 720 5304 w
(color) 927 5304 w
(in) 1167 5304 w
(the) 1280 5304 w
(chart) 1437 5304 w
(can) 1671 5304 w
(be) 1844 5304 w
(created) 1973 5304 w
(from) 2295 5304 w
(two) 2524 5304 w
(other) 2709 5304 w
(colors) 2949 5304 w
(\(actually,) 3228 5304 w
(from) 3637 5304 w
(any) 3866 5304 w
(of) 4045 5304 w
(an) 4163 5304 w
(infinite) 4292 5304 w
(number) 4616 5304 w
(of) 4957 5304 w
(pairs of other colors\).) 720 5424 w
(All) 720 5580 w
(the) 878 5580 w
(colors) 1030 5580 w
(within) 1304 5580 w
(a) 1590 5580 w
(triangle) 1664 5580 w
(inside) 1999 5580 w
(the) 2269 5580 w
(tongue) 2422 5580 w
(can) 2725 5580 w
(be) 2894 5580 w
(created) 3019 5580 w
(from) 3337 5580 w
(a) 3562 5580 w
(linear) 3637 5580 w
(combination) 3895 5580 w
(of) 4426 5580 w
(the) 4540 5580 w
(colors) 4693 5580 w
(at) 4968 5580 w
(the vertices of that triangle.) 720 5700 w
(Any color in the tongue can be created from at most 3 monochromatic colors.) 720 5856 w
(The) 720 6012 w
(highlighted) 906 6012 w
(triangle) 1393 6012 w
(shows) 1729 6012 w
(the) 2010 6012 w
(colors) 2163 6012 w
(that) 2438 6012 w
(can) 2619 6012 w
(be) 2788 6012 w
(expressed) 2913 6012 w
(in) 3337 6012 w
(the) 3446 6012 w
(tristimulus) 3599 6012 w
(color) 4059 6012 w
(system) 4296 6012 w
(you) 4606 6012 w
(chose.) 4788 6012 w
(\(ITU\255R) 720 6132 w
(BT.709) 1047 6132 w
(by) 1378 6132 w
(default\).) 1506 6132 w
(The) 1894 6132 w
(corners) 2077 6132 w
(of) 2398 6132 w
(the) 2509 6132 w
(triangle) 2659 6132 w
(are) 2992 6132 w
(the) 3141 6132 w
(3) 3291 6132 w
(primary) 3369 6132 w
(illuminants) 3713 6132 w
(in) 4192 6132 w
(that) 4298 6132 w
(system) 4476 6132 w
(\(a) 4782 6132 w
(cer\255) 4886 6132 w
(tain red, green, and blue for BT.709\).) 720 6252 w
(The edges of the triangle, then,) 2261 6252 w
(represent) 3526 6252 w
(the) 3917 6252 w
(colors) 4065 6252 w
(you) 4335 6252 w
(can) 4511 6252 w
(represent) 4675 6252 w
(with) 720 6372 w
(two) 927 6372 w
(of) 1106 6372 w
(the) 1218 6372 w
(primary) 1369 6372 w
(illuminants) 1714 6372 w
(\(saturated) 2194 6372 w
(colors\),) 2616 6372 w
(and) 2947 6372 w
(the) 3120 6372 w
(interior) 3270 6372 w
(colors) 3592 6372 w
(require) 3864 6372 w
(all) 4174 6372 w
(three) 4302 6372 w
(primary) 4529 6372 w
(illu\255) 4873 6372 w
(minants \(are not saturated\).) 720 6492 w
(In) 720 6648 w
(the) 832 6648 w
(ITU\255R) 983 6648 w
(BT.709) 1278 6648 w
(color) 1610 6648 w
(system) 1844 6648 w
(\(the) 2151 6648 w
(default\),) 2335 6648 w
(the) 2699 6648 w
(white) 2850 6648 w
(point) 3101 6648 w
(is) 3336 6648 w
(defined) 3432 6648 w
(as) 3760 6648 w
(D65,) 3872 6648 w
(which) 4099 6648 w
(is) 4373 6648 w
(\(and) 4470 6648 w
(is) 4677 6648 w
(named) 4774 6648 w
(after\)) 720 6768 w
(the) 970 6768 w
(color) 1127 6768 w
(of) 1367 6768 w
(a) 1485 6768 w
(black) 1564 6768 w
(body) 1815 6768 w
(at) 2050 6768 w
(6502) 2157 6768 w
(kelvins.) 2392 6768 w
(Therefore,) 2766 6768 w
(you) 3217 6768 w
(should) 3401 6768 w
(see) 3702 6768 w
(the) 3863 6768 w
(temperature) 4019 6768 w
(curve) 4529 6768 w
(on) 4784 6768 w
(the) 4918 6768 w
(image pass through the white part of the image, and the cross that marks the white point, at 6502 kelvins.) 720 6888 w
(D65) 720 7044 w
(white) 920 7044 w
(is) 1170 7044 w
(supposed) 1265 7044 w
(to) 1665 7044 w
(be) 1772 7044 w
(the) 1895 7044 w
(color) 2046 7044 w
(of) 2280 7044 w
(the) 2392 7044 w
(sun.) 2543 7044 w
(If) 2761 7044 w
(you) 2856 7044 w
(have) 3035 7044 w
(a) 3252 7044 w
(perfect) 3325 7044 w
(BT.709) 3630 7044 w
(display) 3962 7044 w
(device,) 4280 7044 w
(you) 4594 7044 w
(should) 4773 7044 w
(see) 720 7164 w
(the) 880 7164 w
(color) 1035 7164 w
(of) 1273 7164 w
(the) 1389 7164 w
(sun) 1544 7164 w
(at) 1716 7164 w
(the) 1821 7164 w
(white) 1976 7164 w
(point) 2231 7164 w
(cross.) 2470 7164 w
(That's) 2758 7164 w
(an) 3046 7164 w
(important) 3172 7164 w
(color,) 3593 7164 w
(because) 3855 7164 w
(when) 4202 7164 w
(you) 4450 7164 w
(look) 4632 7164 w
(at) 4842 7164 w
(an) 4946 7164 w
(object) 720 7284 w
(in) 996 7284 w
(sunlight,) 1106 7284 w
(the) 1486 7284 w
(color) 1640 7284 w
(that) 1877 7284 w
(reflects) 2059 7284 w
(of) 2384 7284 w
(the) 2499 7284 w
(object) 2653 7284 w
(is) 2929 7284 w
(based) 3028 7284 w
(on) 3288 7284 w
(the) 3421 7284 w
(color) 3576 7284 w
(of) 3814 7284 w
(sunlight.) 3930 7284 w
(Note) 4336 7284 w
(that) 4563 7284 w
(the) 4746 7284 w
(sun) 4901 7284 w
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(\255 4 \255) 2797 480 w
(produces) 720 840 w
(a) 1111 840 w
(particular) 1186 840 w
(color) 1599 840 w
(spectrum,) 1835 840 w
(but) 2257 840 w
(many) 2416 840 w
(other) 2668 840 w
(color) 2903 840 w
(spectra) 3138 840 w
(are) 3450 840 w
(the) 3601 840 w
(same) 3753 840 w
(color,) 3988 840 w
(and) 4248 840 w
(display) 4422 840 w
(devices) 4741 840 w
(never use the actual color spectrum of the sun.) 720 960 w
(The) 720 1116 w
(colors) 919 1116 w
(at) 1207 1116 w
(the) 1323 1116 w
(corners) 1489 1116 w
(of) 1826 1116 w
(the) 1953 1116 w
(triangle) 2119 1116 w
(have) 2468 1116 w
(the) 2700 1116 w
(chromaticities) 2866 1116 w
(phosphors) 3476 1116 w
(in) 3932 1116 w
(a) 4055 1116 w
(monitor) 4144 1116 w
(that) 4506 1116 w
(uses) 4701 1116 w
(the) 4918 1116 w
(selected) 720 1236 w
(color) 1071 1236 w
(system.) 1305 1236 w
(Note) 1662 1236 w
(that) 1885 1236 w
(in) 2064 1236 w
(BT.709) 2171 1236 w
(they) 2503 1236 w
(are) 2704 1236 w
(very) 2854 1236 w
(close) 3060 1236 w
(to) 3294 1236 w
(monochromatic) 3401 1236 w
(red,) 4057 1236 w
(green,) 4238 1236 w
(and) 4513 1236 w
(blue,) 4686 1236 w
(but) 4912 1236 w
(not quite.) 720 1356 w
(That's why you can't display even one true color of the rainbow on a video monitor.) 1148 1356 w
(Remember that the chart shows colors) 720 1512 w
(of) 2274 1512 w
(constant) 2383 1512 w
(intensity,) 2742 1512 w
(therefore) 3138 1512 w
(the) 3523 1512 w
(corners) 3671 1512 w
(of) 3990 1512 w
(the) 4099 1512 w
(triangles) 4247 1512 w
(are) 4617 1512 w
(not) 4764 1512 w
(the) 4918 1512 w
(full) 720 1632 w
(colors) 891 1632 w
(of) 1167 1632 w
(the) 1281 1632 w
(primary) 1434 1632 w
(illuminants,) 1781 1632 w
(but) 2288 1632 w
(only) 2447 1632 w
(their) 2656 1632 w
(chromaticities.) 2870 1632 w
(In) 3517 1632 w
(fact,) 3631 1632 w
(the) 3836 1632 w
(illuminants) 3989 1632 w
(typically) 4471 1632 w
(have) 4852 1632 w
(different) 720 1752 w
(intensities.) 1098 1752 w
(In) 1589 1752 w
(BT.709,) 1707 1752 w
(the) 2070 1752 w
(blue) 2228 1752 w
(primary) 2436 1752 w
(illuminant) 2788 1752 w
(is) 3236 1752 w
(far) 3339 1752 w
(more) 3485 1752 w
(intense) 3726 1752 w
(than) 4045 1752 w
(the) 4253 1752 w
(green,) 4411 1752 w
(which) 4693 1752 w
(is) 4973 1752 w
(more) 720 1872 w
(intense) 952 1872 w
(than) 1262 1872 w
(the) 1461 1872 w
(red.) 1610 1872 w
(Designers) 1814 1872 w
(did) 2240 1872 w
(this) 2394 1872 w
(in) 2565 1872 w
(order) 2669 1872 w
(to) 2905 1872 w
(make) 3009 1872 w
(an) 3251 1872 w
(equal) 3371 1872 w
(combination) 3613 1872 w
(of) 4139 1872 w
(red,) 4248 1872 w
(green,) 4426 1872 w
(and) 4698 1872 w
(blue) 4868 1872 w
(generate gray.) 720 1992 w
(I.e.) 1334 1992 w
(a combination of full strength red, full) 1511 1992 w
(strength) 3066 1992 w
(green,) 3414 1992 w
(and) 3686 1992 w
(full) 3856 1992 w
(strength) 4021 1992 w
(blue) 4369 1992 w
(BT.709) 4567 1992 w
(pri\255) 4896 1992 w
(mary illuminants is D65 white.) 720 2112 w
(The) 720 2268 w
(tongue) 902 2268 w
(has) 1201 2268 w
(a) 1361 2268 w
(sharp) 1432 2268 w
(straight) 1675 2268 w
(edge) 2003 2268 w
(at) 2219 2268 w
(the) 2319 2268 w
(bottom) 2469 2268 w
(because) 2781 2268 w
(that's) 3124 2268 w
(the) 3374 2268 w
(limit) 3524 2268 w
(of) 3742 2268 w
(human) 3853 2268 w
(vision.) 4153 2268 w
(There) 4476 2268 w
(are) 4736 2268 w
(col\255) 4885 2268 w
(ors) 720 2388 w
(below) 869 2388 w
(that) 1140 2388 w
(line,) 1317 2388 w
(but) 1519 2388 w
(they) 1674 2388 w
(involve) 1873 2388 w
(infrared) 2200 2388 w
(and) 2542 2388 w
(ultraviolet) 2712 2388 w
(light,) 3149 2388 w
(so) 3384 2388 w
(you) 3499 2388 w
(can't) 3675 2388 w
(see) 3900 2388 w
(them.) 4053 2388 w
(This) 4329 2388 w
(line) 4533 2388 w
(is) 4709 2388 w
(called) 4802 2388 w
(the "line of purples.") 720 2508 w
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(SEE ALSO) 720 2748 w
(ppmdither) 720 2904 w
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(,) 1176 2904 w
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(pnmquant) 1226 2904 w
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(,) 1672 2904 w
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(ppm) 1722 2904 w
(AUTHOR) 720 3144 w
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(Copyright \(C\) 1995 by John Walker \(kelvin@fourmilab.ch\)) 720 3336 w
(WWW home page: http://www.fourmilab.ch/) 720 3492 w
(Permission) 720 3648 w
(to) 1201 3648 w
(use,) 1315 3648 w
(copy,) 1509 3648 w
(modify,) 1764 3648 w
(and) 2114 3648 w
(distribute) 2294 3648 w
(this) 2708 3648 w
(software) 2889 3648 w
(and) 3268 3648 w
(its) 3448 3648 w
(documentation) 3579 3648 w
(for) 4209 3648 w
(any) 4362 3648 w
(purpose) 4543 3648 w
(and) 4896 3648 w
(without) 720 3768 w
(fee) 1057 3768 w
(is) 1209 3768 w
(hereby) 1307 3768 w
(granted,) 1608 3768 w
(without) 1962 3768 w
(any) 2298 3768 w
(conditions) 2472 3768 w
(or) 2919 3768 w
(restrictions.) 3032 3768 w
(This) 3556 3768 w
(software) 3764 3768 w
(is) 4137 3768 w
(provided) 4234 3768 w
(as) 4619 3768 w
(is) 4732 3768 w
(with\255) 4829 3768 w
(out express or implied warranty.) 720 3888 w
10 /S1 f
(________________________________________________________________________) 720 4008 w
10 /Times-Bold f
(Table Of Contents) 720 4248 w
10 /LucidaSansUnicode22 f
(\031) 720 4440 w
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(NAME) 970 4440 w
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(\031) 720 4596 w
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(SYNOPSIS) 970 4596 w
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(\031) 720 4752 w
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(DESCRIPTION) 970 4752 w
10 /LucidaSansUnicode22 f
(\031) 720 4908 w
10 /Times-Roman f
(OPTIONS) 970 4908 w
10 /LucidaSansUnicode22 f
(\031) 720 5064 w
10 /Times-Roman f
(INTERPRETATION OF COLOR CHART) 970 5064 w
10 /LucidaSansUnicode22 f
(\031) 720 5220 w
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(SEE ALSO) 970 5220 w
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(\031) 720 5376 w
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(AUTHOR) 970 5376 w
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