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% Version 3.3.2 prologue for troff files.
%

/#copies 1 store
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/I  /Times-Italic def
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%
% A few arrays used to adjust reference points and character widths in some
% of the printer resident fonts. If square roots are too high try changing
% the lines describing /radical and /radicalex to,
%
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%	/radicalex	[-50 -75 500 0]
%
% Move braceleftbt a bit - default PostScript character is off a bit.
%

/Sdefs [
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	/braceleftbt		[203 490]
	/bracketrightex		[220 -125 500 0]
	/radical		[0 0 550 0]
	/radicalex		[-50 0 500 0]
	/parenleftex		[-20 -170 0 0]
	/integral		[100 -50 500 0]
	/infinity		[10 -75 730 0]
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/S1defs [
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	/endash			[7 90 650 0]
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%
% Tries to round clipping path dimensions, as stored in array pagebbox, so they
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%%EndProlog
%%BeginSetup
mark
%
% Encoding vector and redefinition of findfont for the ISO Latin1 standard.
% The 18 characters missing from ROM based fonts on older printers are noted
% below.
%

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	/a
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	/i
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	/braceleft
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	/degree			% missing
	/plusminus		% missing
	/twosuperior		% missing
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	/acute
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	/paragraph
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	/cedilla
	/onesuperior		% missing
	/ordmasculine
	/guillemotright
	/onequarter		% missing
	/onehalf		% missing
	/threequarters		% missing
	/questiondown
	/Agrave
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	/Acircumflex
	/Atilde
	/Adieresis
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	/AE
	/Ccedilla
	/Egrave
	/Eacute
	/Ecircumflex
	/Edieresis
	/Igrave
	/Iacute
	/Icircumflex
	/Idieresis
	/Eth			% missing
	/Ntilde
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	/Ocircumflex
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	/multiply		% missing
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/NewFontDirectory FontDirectory maxlength dict def

%
% Apparently no guarantee findfont is defined in systemdict so the obvious
%
%	systemdict /findfont get exec
%
% can generate an error. So far the only exception is a VT600 (version 48.0).
%

userdict /@RealFindfont known not {
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/findfont {
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				{1 index /FID ne {def}{pop pop} ifelse} forall
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setup
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1 pagesetup
12 /Times-Bold f
(Pgmtoppm) 2246 1230 w
(User) 2843 1230 w
(Manual) 3112 1230 w
10 /Times-Bold f
(pgmtoppm) 720 1920 w
10 /Times-Roman f
(Updated: 24 January 2001) 720 2076 w
(Table Of Contents) 720 2196 w
10 /Times-Bold f
(NAME) 720 2436 w
10 /Times-Roman f
(pgmtoppm \255 colorize a PGM \(grayscale\) image into a PPM \(color\) image) 720 2592 w
10 /Times-Bold f
(SYNOPSIS) 720 2832 w
(pgmtoppm) 720 2988 w
10 /Times-Italic f
(colorspec) 1212 2988 w
10 /Times-Roman f
([) 1625 2988 w
10 /Times-Italic f
(pgmfile) 1658 2988 w
10 /Times-Roman f
(]) 1958 2988 w
10 /Times-Bold f
(pgmtoppm) 720 3108 w
10 /Times-Italic f
(colorspec1) 1212 3108 w
10 /Times-Bold f
(\255) 1650 3108 w
10 /Times-Italic f
(colorspec2) 1683 3108 w
10 /Times-Roman f
([) 2146 3108 w
10 /Times-Italic f
(pgmfile) 2179 3108 w
10 /Times-Roman f
(]) 2479 3108 w
10 /Times-Bold f
(pgmtoppm \255map) 720 3228 w
10 /Times-Italic f
(mapfile) 1459 3228 w
10 /Times-Roman f
([) 1784 3228 w
10 /Times-Italic f
(pgmfile) 1817 3228 w
10 /Times-Roman f
(]) 2117 3228 w
10 /Times-Bold f
(DESCRIPTION) 720 3468 w
10 /Times-Roman f
(This program is part of Netpbm.) 720 3660 w
10 /Times-Bold f
(pgmtoppm) 720 3816 w
10 /Times-Roman f
(reads) 1214 3816 w
(a) 1452 3816 w
(PGM) 1524 3816 w
(as) 1769 3816 w
(input) 1880 3816 w
(and) 2114 3816 w
(produces) 2286 3816 w
(a) 2674 3816 w
(PPM) 2746 3816 w
(file) 2975 3816 w
(as) 3136 3816 w
(output) 3247 3816 w
(with) 3531 3816 w
(a) 3737 3816 w
(specific) 3809 3816 w
(color) 4147 3816 w
(assigned) 4380 3816 w
(to) 4752 3816 w
(each) 4858 3816 w
(gray value in the input.) 720 3936 w
(If) 720 4092 w
(you) 813 4092 w
(specify) 990 4092 w
(one) 1305 4092 w
(color) 1476 4092 w
(argument,) 1708 4092 w
(black) 2137 4092 w
(in) 2380 4092 w
(the) 2485 4092 w
(pgm) 2634 4092 w
(file) 2839 4092 w
(stays) 2999 4092 w
(black) 3226 4092 w
(and) 3469 4092 w
(white) 3640 4092 w
(in) 3889 4092 w
(the) 3994 4092 w
(pgm) 4143 4092 w
(file) 4348 4092 w
(turns) 4508 4092 w
(into) 4735 4092 w
(the) 4918 4092 w
(specified) 720 4212 w
(color) 1113 4212 w
(in) 1351 4212 w
(the) 1462 4212 w
(ppm) 1617 4212 w
(file.) 1828 4212 w
(Gray) 2044 4212 w
(values) 2275 4212 w
(in) 2562 4212 w
(between) 2672 4212 w
(are) 3036 4212 w
(linearly) 3189 4212 w
(mapped) 3526 4212 w
(to) 3874 4212 w
(differing) 3984 4212 w
(intensities) 4365 4212 w
(of) 4803 4212 w
(the) 4918 4212 w
(specified color.) 720 4332 w
(If) 720 4488 w
(you) 823 4488 w
(specify) 1010 4488 w
(two) 1335 4488 w
(color) 1522 4488 w
(arguments) 1764 4488 w
(\(separated) 2217 4488 w
(by) 2663 4488 w
(a) 2800 4488 w
(dash\),) 2882 4488 w
(then) 3161 4488 w
(black) 3371 4488 w
(gets) 3625 4488 w
(mapped) 3824 4488 w
(to) 4178 4488 w
(the) 4294 4488 w
(first) 4454 4488 w
(color) 4653 4488 w
(and) 4896 4488 w
(white) 720 4608 w
(gets) 978 4608 w
(mapped) 1175 4608 w
(to) 1527 4608 w
(the) 1641 4608 w
(second) 1799 4608 w
(and) 2112 4608 w
(gray) 2292 4608 w
(values) 2505 4608 w
(in) 2796 4608 w
(between) 2910 4608 w
(get) 3278 4608 w
(mapped) 3436 4608 w
(linearly) 3787 4608 w
(\(across) 4127 4608 w
(a) 4444 4608 w
(three) 4523 4608 w
(dimen\255) 4757 4608 w
(sional space\) to colors in between.) 720 4728 w
(Specify the color \() 720 4884 w
10 /Times-Italic f
(color) 1460 4884 w
10 /Times-Roman f
(\) as described for the argument of the) 1671 4884 w
10 /Times-Bold f
(ppm) 3189 4884 w
10 /S f
(_) 3384 4884 w
10 /Times-Bold f
(parsecolor\(\)) 3434 4884 w
10 /Times-Roman f
(library routine.) 3974 4884 w
(Also,) 720 5040 w
(you) 966 5040 w
(can) 1148 5040 w
(specify) 1318 5040 w
(an) 1638 5040 w
(entire) 1764 5040 w
(colormap) 2023 5040 w
(with) 2432 5040 w
(the) 2642 5040 w
10 /Times-Bold f
(\255map) 2796 5040 w
10 /Times-Roman f
(option.) 3050 5040 w
(The) 3388 5040 w
(mapfile) 3575 5040 w
(is) 3912 5040 w
(just) 4011 5040 w
(a) 4188 5040 w
10 /Times-Bold f
(ppm) 4264 5040 w
10 /Times-Roman f
(file;) 4492 5040 w
(it) 4686 5040 w
(can) 4775 5040 w
(be) 4946 5040 w
(any) 720 5160 w
(shape,) 896 5160 w
(all) 1180 5160 w
(that) 1312 5160 w
(matters) 1494 5160 w
(is) 1820 5160 w
(the) 1919 5160 w
(colors) 2073 5160 w
(in) 2349 5160 w
(it) 2459 5160 w
(and) 2547 5160 w
(their) 2723 5160 w
(order.) 2938 5160 w
(In) 3230 5160 w
(this) 3345 5160 w
(case,) 3522 5160 w
(black) 3750 5160 w
(gets) 3998 5160 w
(mapped) 4191 5160 w
(into) 4539 5160 w
(the) 4726 5160 w
(first) 4879 5160 w
(color) 720 5280 w
(in) 960 5280 w
(the) 1073 5280 w
(map) 1230 5280 w
(file,) 1437 5280 w
(and) 1630 5280 w
(white) 1809 5280 w
(gets) 2066 5280 w
(mapped) 2262 5280 w
(to) 2613 5280 w
(the) 2727 5280 w
(last) 2885 5280 w
(and) 3060 5280 w
(gray) 3240 5280 w
(values) 3453 5280 w
(in) 3744 5280 w
(between) 3858 5280 w
(are) 4226 5280 w
(mapped) 4383 5280 w
(linearly) 4735 5280 w
(onto the sequence of colors in between.) 720 5400 w
(A) 720 5556 w
(more) 823 5556 w
(direct) 1059 5556 w
(way) 1317 5556 w
(to) 1514 5556 w
(specify) 1623 5556 w
(a) 1942 5556 w
(particular) 2017 5556 w
(color) 2430 5556 w
(to) 2666 5556 w
(replace) 2775 5556 w
(each) 3093 5556 w
(particular) 3307 5556 w
(gray) 3721 5556 w
(level) 3930 5556 w
(is) 4156 5556 w
(to) 4255 5556 w
(use) 4365 5556 w
10 /Times-Bold f
(pamlookup) 4530 5556 w
10 /Times-Roman f
(.) 5015 5556 w
(You make an index file that explicitly associates a color with each possible gray level.) 720 5676 w
10 /Times-Bold f
(NOTE \255 MAXVAL) 720 5916 w
10 /Times-Roman f
(The) 720 6108 w
("maxval,") 903 6108 w
(or) 1332 6108 w
(depth,) 1443 6108 w
(of) 1718 6108 w
(the) 1829 6108 w
(output) 1979 6108 w
(image) 2263 6108 w
(is) 2535 6108 w
(the) 2630 6108 w
(same) 2780 6108 w
(as) 3013 6108 w
(that) 3124 6108 w
(of) 3302 6108 w
(the) 3413 6108 w
(input) 3563 6108 w
(image.) 3797 6108 w
(The) 4119 6108 w
(maxval) 4302 6108 w
(affects) 4624 6108 w
(the) 4918 6108 w
(color) 720 6228 w
(resolution,) 962 6228 w
(which) 1424 6228 w
(may) 1705 6228 w
(cause) 1914 6228 w
(quantization) 2172 6228 w
(errors) 2702 6228 w
(you) 2970 6228 w
(don't) 3156 6228 w
(anticipate) 3403 6228 w
(in) 3827 6228 w
(your) 3941 6228 w
(output.) 4160 6228 w
(For) 4502 6228 w
(example,) 4677 6228 w
(you) 720 6348 w
(have) 903 6348 w
(a) 1124 6348 w
(simple) 1201 6348 w
(black) 1501 6348 w
(and) 1750 6348 w
(white) 1927 6348 w
(image) 2182 6348 w
(as) 2459 6348 w
(a) 2575 6348 w
(PGM) 2652 6348 w
(with) 2902 6348 w
(maxval) 3113 6348 w
(1.) 3440 6348 w
(Run) 3573 6348 w
(this) 3773 6348 w
(image) 3951 6348 w
(through) 4228 6348 w
10 /Times-Bold f
(pgmtoppm) 4573 6348 w
(0f/00/00) 720 6468 w
10 /Times-Roman f
(to) 1090 6468 w
(try) 1199 6468 w
(to) 1341 6468 w
(make) 1450 6468 w
(the) 1697 6468 w
(image) 1850 6468 w
(black) 2125 6468 w
(and) 2372 6468 w
(faint) 2547 6468 w
(red.) 2761 6468 w
(Because) 2969 6468 w
(the) 3332 6468 w
(output) 3485 6468 w
(image) 3772 6468 w
(will) 4046 6468 w
(also) 4232 6468 w
(have) 4423 6468 w
(maxval) 4641 6468 w
(1,) 4965 6468 w
(there) 720 6588 w
(is) 954 6588 w
(no) 1056 6588 w
(such) 1191 6588 w
(thing) 1409 6588 w
(as) 1650 6588 w
(faint) 1769 6588 w
(red.) 1988 6588 w
(It) 2201 6588 w
(has) 2298 6588 w
(to) 2467 6588 w
(be) 2581 6588 w
(either) 2711 6588 w
(full\255on) 2974 6588 w
(red) 3282 6588 w
(or) 3445 6588 w
(black.) 3564 6588 w
10 /Times-Bold f
(pgmtoppm) 3866 6588 w
10 /Times-Roman f
(rounds) 4369 6588 w
(the) 4677 6588 w
(color) 4835 6588 w
(0f/00/00 down to black, and you get an output image that is nothing but black.) 720 6708 w
(The fix is easy: Pass the input through) 720 6864 w
10 /Times-Bold f
(pamdepth) 2275 6864 w
10 /Times-Roman f
(on the way into) 2734 6864 w
10 /Times-Bold f
(pgmtoppm) 3378 6864 w
10 /Times-Roman f
(to increase its depth) 3870 6864 w
(to) 4692 6864 w
(some\255) 4796 6864 w
(thing) 720 6984 w
(that) 962 6984 w
(would) 1148 6984 w
(give) 1434 6984 w
(you) 1642 6984 w
(the) 1828 6984 w
(resolution) 1986 6984 w
(you) 2422 6984 w
(need) 2608 6984 w
(to) 2832 6984 w
(get) 2946 6984 w
(your) 3104 6984 w
(desired) 3323 6984 w
(color.) 3647 6984 w
(In) 3938 6984 w
(this) 4057 6984 w
(case,) 4238 6984 w
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(16) 4940 6984 w
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(would do it.) 720 7104 w
(Or spare yourself the unnecessary thinking and just say) 1251 7104 w
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(.) 4092 7104 w
(PBM) 720 7260 w
(input) 968 7260 w
(is) 1210 7260 w
(a) 1313 7260 w
(special) 1393 7260 w
(case.) 1706 7260 w
(While) 1963 7260 w
(you) 2243 7260 w
(might) 2429 7260 w
(think) 2699 7260 w
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(would) 3123 7260 w
(be) 3410 7260 w
(equivalent) 3541 7260 w
(to) 3994 7260 w
(a) 4109 7260 w
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(1) 4990 7260 w
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(since) 720 840 w
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(two) 1159 840 w
(gray) 1337 840 w
(levels) 1541 840 w
(are) 1801 840 w
(necessary) 1949 840 w
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(represent) 2468 840 w
(a) 2860 840 w
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(image,) 3170 840 w
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(pgmtoppm) 3466 840 w
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(,) 3933 840 w
(like) 3985 840 w
(all) 4162 840 w
(Netpbm) 4289 840 w
(programs,) 4638 840 w
(in fact treats it as a maxval of 255.) 720 960 w
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(SEE ALSO) 720 1200 w
(pamdepth) 720 1356 w
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(,) 1154 1356 w
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(rgb3toppm) 1204 1356 w
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(,) 2199 1356 w
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(ppm) 2777 1356 w
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(,) 2972 1356 w
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(AUTHOR) 720 1596 w
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(Copyright \(C\) 1991 by Jef Poskanzer.) 720 1752 w
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(________________________________________________________________________) 720 1872 w
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(Table Of Contents) 720 2112 w
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(SYNOPSIS) 970 2460 w
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(DESCRIPTION) 970 2616 w
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(NOTE \255 MAXVAL) 970 2772 w
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(SEE ALSO) 970 2928 w
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(AUTHOR) 970 3084 w
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