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%%DocumentFonts: (atend)
%%Pages: (atend)
%%EndComments
%
% Version 3.3.2 prologue for troff files.
%

/#copies 1 store
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/yoffset 0 def

/roundpage true def
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/R  /Times-Roman def
/I  /Times-Italic def
/B  /Times-Bold def
/BI /Times-BoldItalic def
/H  /Helvetica def
/HI /Helvetica-Oblique def
/HB /Helvetica-Bold def
/HX /Helvetica-BoldOblique def
/CW /Courier def
/CO /Courier def
/CI /Courier-Oblique def
/CB /Courier-Bold def
/CX /Courier-BoldOblique def
/PA /Palatino-Roman def
/PI /Palatino-Italic def
/PB /Palatino-Bold def
/PX /Palatino-BoldItalic def
/Hr /Helvetica-Narrow def
/Hi /Helvetica-Narrow-Oblique def
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/KR /Bookman-Light def
/KI /Bookman-LightItalic def
/KB /Bookman-Demi def
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/AR /AvantGarde-Book def
/AI /AvantGarde-BookOblique def
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/AX /AvantGarde-DemiOblique def
/NR /NewCenturySchlbk-Roman def
/NI /NewCenturySchlbk-Italic def
/NB /NewCenturySchlbk-Bold def
/NX /NewCenturySchlbk-BoldItalic def
/ZD /ZapfDingbats def
/ZI /ZapfChancery-MediumItalic def
/S  /S def
/S1 /S1 def
/GR /Symbol def

/inch {72 mul} bind def
/min {2 copy gt {exch} if pop} bind def

/setup {
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	linewidth setlinewidth
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	pagedimensions
	xcenter ycenter translate
	orientation rotation mul rotate
	width 2 div neg height 2 div translate
	xoffset inch yoffset inch neg translate
	margin 2 div dup neg translate
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	addmetrics
	0 0 moveto
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/pagedimensions {
	useclippath userdict /gotpagebbox known not and {
		/pagebbox [clippath pathbbox newpath] def
		roundpage currentdict /roundpagebbox known and {roundpagebbox} if
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	pagebbox aload pop
	4 -1 roll exch 4 1 roll 4 copy
	landscape {4 2 roll} if
	sub /width exch def
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	add 2 div /xcenter exch def
	add 2 div /ycenter exch def
	userdict /gotpagebbox true put
} def

/addmetrics {
	/Symbol /S null Sdefs cf
	/Times-Roman /S1 StandardEncoding dup length array copy S1defs cf
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/pagesetup {
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	currentdict /pagedict known currentdict page known and {
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/decodingdefs [
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	{neg moveto {spacewidth sub 0.0 32 4 -1 roll widthshow} repeat}
	{counttomark 2 idiv {y moveto show} repeat}
	{neg setfunnytext}
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/setdecoding {/t decodingdefs 3 -1 roll get bind def} bind def

/w {neg moveto show} bind def
/m {neg dup /y exch def moveto} bind def
/done {/lastpage where {pop lastpage} if} def

/f {
	dup /font exch def findfont exch
	dup /ptsize exch def scaling div dup /size exch def scalefont setfont
	linewidth ptsize mul scaling 10 mul div setlinewidth
	/spacewidth ( ) stringwidth pop def
} bind def

/changefont {
	/fontheight exch def
	/fontslant exch def
	currentfont [
		1 0
		fontheight ptsize div fontslant sin mul fontslant cos div
		fontheight ptsize div
		0 0
	] makefont setfont
} bind def

/sf {f} bind def

/cf {
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	findfont dup length 1 add dict
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	newencoding type /arraytype eq {newdict /Encoding newencoding put} if

	newdict /Metrics entries dict put
	newdict /Metrics get
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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,
%
%	/radical	[0 -75 550 0]
%	/radicalex	[-50 -75 500 0]
%
% Move braceleftbt a bit - default PostScript character is off a bit.
%

/Sdefs [
	/bracketlefttp		[201 500]
	/bracketleftbt		[201 500]
	/bracketrighttp		[-81 380]
	/bracketrightbt		[-83 380]
	/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]
] def

/S1defs [
	/underscore		[0 80 500 0]
	/endash			[7 90 650 0]
] def
%
% Tries to round clipping path dimensions, as stored in array pagebbox, so they
% match one of the known sizes in the papersizes array. Lower left coordinates
% are always set to 0.
%

/roundpagebbox {
    7 dict begin
	/papersizes [8.5 inch 11 inch 14 inch 17 inch] def

	/mappapersize {
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		/slop .5 inch def
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		/j 0 def
		0 1 papersizes length 1 sub {
			/i exch def
			papersizes i get val sub abs
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	pagebbox 0 0 put
	pagebbox 1 0 put
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	pagebbox dup 3 get mappapersize 3 exch put
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} bind def

%%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.
%

/ISOLatin1Encoding [
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
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	/.notdef
	/.notdef
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	/.notdef
	/.notdef
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	/.notdef
	/.notdef
	/.notdef
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	/.notdef
	/.notdef
	/.notdef
	/space
	/exclam
	/quotedbl
	/numbersign
	/dollar
	/percent
	/ampersand
	/quoteright
	/parenleft
	/parenright
	/asterisk
	/plus
	/comma
	/minus
	/period
	/slash
	/zero
	/one
	/two
	/three
	/four
	/five
	/six
	/seven
	/eight
	/nine
	/colon
	/semicolon
	/less
	/equal
	/greater
	/question
	/at
	/A
	/B
	/C
	/D
	/E
	/F
	/G
	/H
	/I
	/J
	/K
	/L
	/M
	/N
	/O
	/P
	/Q
	/R
	/S
	/T
	/U
	/V
	/W
	/X
	/Y
	/Z
	/bracketleft
	/backslash
	/bracketright
	/asciicircum
	/underscore
	/quoteleft
	/a
	/b
	/c
	/d
	/e
	/f
	/g
	/h
	/i
	/j
	/k
	/l
	/m
	/n
	/o
	/p
	/q
	/r
	/s
	/t
	/u
	/v
	/w
	/x
	/y
	/z
	/braceleft
	/bar
	/braceright
	/asciitilde
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/dotlessi
	/grave
	/acute
	/circumflex
	/tilde
	/macron
	/breve
	/dotaccent
	/dieresis
	/.notdef
	/ring
	/cedilla
	/.notdef
	/hungarumlaut
	/ogonek
	/caron
	/space
	/exclamdown
	/cent
	/sterling
	/currency
	/yen
	/brokenbar		% missing
	/section
	/dieresis
	/copyright
	/ordfeminine
	/guillemotleft
	/logicalnot
	/hyphen
	/registered
	/macron
	/degree			% missing
	/plusminus		% missing
	/twosuperior		% missing
	/threesuperior		% missing
	/acute
	/mu			% missing
	/paragraph
	/periodcentered
	/cedilla
	/onesuperior		% missing
	/ordmasculine
	/guillemotright
	/onequarter		% missing
	/onehalf		% missing
	/threequarters		% missing
	/questiondown
	/Agrave
	/Aacute
	/Acircumflex
	/Atilde
	/Adieresis
	/Aring
	/AE
	/Ccedilla
	/Egrave
	/Eacute
	/Ecircumflex
	/Edieresis
	/Igrave
	/Iacute
	/Icircumflex
	/Idieresis
	/Eth			% missing
	/Ntilde
	/Ograve
	/Oacute
	/Ocircumflex
	/Otilde
	/Odieresis
	/multiply		% missing
	/Oslash
	/Ugrave
	/Uacute
	/Ucircumflex
	/Udieresis
	/Yacute			% missing
	/Thorn			% missing
	/germandbls
	/agrave
	/aacute
	/acircumflex
	/atilde
	/adieresis
	/aring
	/ae
	/ccedilla
	/egrave
	/eacute
	/ecircumflex
	/edieresis
	/igrave
	/iacute
	/icircumflex
	/idieresis
	/eth			% missing
	/ntilde
	/ograve
	/oacute
	/ocircumflex
	/otilde
	/odieresis
	/divide			% missing
	/oslash
	/ugrave
	/uacute
	/ucircumflex
	/udieresis
	/yacute			% missing
	/thorn			% missing
	/ydieresis
] def

/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 {
	userdict begin
		/@RealFindfont systemdict begin /findfont load end def
	end
} if

/findfont {
	dup NewFontDirectory exch known not {
		dup
		%dup systemdict /findfont get exec	% not always in systemdict
		dup userdict /@RealFindfont get exec
		dup /Encoding get StandardEncoding eq {
			dup length dict begin
				{1 index /FID ne {def}{pop pop} ifelse} forall
				/Encoding ISOLatin1Encoding def
				currentdict
			end
			/DummyFontName exch definefont
		} if
		NewFontDirectory 3 1 roll put
	} if
	NewFontDirectory exch get
} bind def

setup
%%EndSetup
%%Page: 1 1
/saveobj save def
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1 pagesetup
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(Pnmtojpeg User) 2250 1230 w
(Manual) 3109 1230 w
10 /Times-Bold f
(PNMTOJPEG) 720 1920 w
10 /Times-Roman f
(Updated: 27 September 2006) 720 2076 w
(Table Of Contents) 720 2196 w
10 /Times-Bold f
(NAME) 720 2436 w
10 /Times-Roman f
(pnmtojpeg \255 convert PNM image to a JFIF \("JPEG"\) image) 720 2592 w
10 /Times-Bold f
(SYNOPSIS) 720 2832 w
(pnmtojpeg) 720 2988 w
10 /Times-Roman f
([) 1284 2988 w
10 /Times-Bold f
(\255exif=) 1317 2988 w
10 /Times-Italic f
(filespec) 1562 2988 w
10 /Times-Roman f
(]) 1867 2988 w
([) 2004 2988 w
10 /Times-Bold f
(\255quality=) 2037 2988 w
10 /Times-Italic f
(n) 2428 2988 w
10 /Times-Roman f
(]) 2478 2988 w
([{) 2615 2988 w
10 /Times-Bold f
(\255grayscale) 2696 2988 w
10 /S f
(\357) 3128 2988 w
10 /Times-Bold f
(\255greyscale) 3177 2988 w
10 /Times-Roman f
(}]) 3603 2988 w
([) 3788 2988 w
10 /Times-Bold f
(\255density=) 3821 2988 w
10 /Times-Italic f
(n) 4217 2988 w
10 /Times-Bold f
(x) 4267 2988 w
10 /Times-Italic f
(n) 4317 2988 w
10 /Times-Roman f
([) 4367 2988 w
10 /Times-Bold f
(dpi) 4400 2988 w
10 /Times-Roman f
(,) 4540 2988 w
10 /Times-Bold f
(dpcm) 4565 2988 w
10 /Times-Roman f
(]]) 4804 2988 w
([) 4974 2988 w
10 /Times-Bold f
(\255) 5007 2988 w
(optimize) 720 3108 w
10 /S f
(\357) 1086 3108 w
10 /Times-Bold f
(\255optimise) 1135 3108 w
10 /Times-Roman f
(]) 1529 3108 w
([) 1628 3108 w
10 /Times-Bold f
(\255rgb) 1661 3108 w
10 /Times-Roman f
(]) 1844 3108 w
([) 1943 3108 w
10 /Times-Bold f
(\255progressive) 1976 3108 w
10 /Times-Roman f
(]) 2497 3108 w
([) 2595 3108 w
10 /Times-Bold f
(\255comment=) 2628 3108 w
10 /Times-Italic f
(text) 3111 3108 w
10 /Times-Roman f
(]) 3255 3108 w
([) 3353 3108 w
10 /Times-Bold f
(\255dct=) 3386 3108 w
10 /Times-Roman f
({) 3609 3108 w
10 /Times-Bold f
(int) 3657 3108 w
10 /S f
(\357) 3774 3108 w
10 /Times-Bold f
(fast) 3823 3108 w
10 /S f
(\357) 3978 3108 w
10 /Times-Bold f
(float) 4027 3108 w
10 /Times-Roman f
(}]) 4221 3108 w
([) 4367 3108 w
10 /Times-Bold f
(\255arithmetic) 4400 3108 w
10 /Times-Roman f
(]) 4876 3108 w
([) 4974 3108 w
10 /Times-Bold f
(\255) 5007 3108 w
(restart=) 720 3228 w
10 /Times-Italic f
(n) 1064 3228 w
10 /Times-Roman f
(]) 1114 3228 w
([) 1187 3228 w
10 /Times-Bold f
(\255smooth=) 1220 3228 w
10 /Times-Italic f
(n) 1621 3228 w
10 /Times-Roman f
(]) 1671 3228 w
([) 1744 3228 w
10 /Times-Bold f
(\255maxmemory=) 1777 3228 w
10 /Times-Italic f
(n) 2404 3228 w
10 /Times-Roman f
(]) 2454 3228 w
([) 2527 3228 w
10 /Times-Bold f
(\255verbose) 2560 3228 w
10 /Times-Roman f
(]) 2920 3228 w
([) 2993 3228 w
10 /Times-Bold f
(\255baseline) 3026 3228 w
10 /Times-Roman f
(]) 3404 3228 w
([) 3477 3228 w
10 /Times-Bold f
(\255qtables=) 3510 3228 w
10 /Times-Italic f
(filespec) 3906 3228 w
10 /Times-Roman f
(]) 4211 3228 w
([) 4285 3228 w
10 /Times-Bold f
(\255qslots=n[,...]) 4318 3228 w
10 /Times-Roman f
(]) 4875 3228 w
([) 4974 3228 w
10 /Times-Bold f
(\255) 5007 3228 w
(sample=) 720 3348 w
10 /Times-Italic f
(H) 1077 3348 w
10 /Times-Bold f
(x) 1149 3348 w
10 /Times-Italic f
(V) 1199 3348 w
10 /Times-Roman f
([,...]]) 1260 3348 w
([) 1509 3348 w
10 /Times-Bold f
(\255scans=) 1542 3348 w
10 /Times-Italic f
(filespec) 1860 3348 w
10 /Times-Roman f
(] [) 2165 3348 w
10 /Times-Bold f
(\255tracelevel=) 2256 3348 w
10 /Times-Italic f
(N) 2755 3348 w
10 /Times-Roman f
(]) 2822 3348 w
10 /Times-Italic f
(filename) 2880 3348 w
10 /Times-Roman f
(Minimum) 720 3504 w
(unique) 1162 3504 w
(abbreviation) 1475 3504 w
(of) 2015 3504 w
(option) 2140 3504 w
(is) 2438 3504 w
(acceptable.) 2547 3504 w
(You) 3059 3504 w
(may) 3273 3504 w
(use) 3487 3504 w
(double) 3662 3504 w
(hyphens) 3976 3504 w
(instead) 4351 3504 w
(of) 4676 3504 w
(single) 4801 3504 w
(hyphen) 720 3624 w
(to) 1042 3624 w
(denote) 1148 3624 w
(options.) 1442 3624 w
(You) 1815 3624 w
(may) 2015 3624 w
(use) 2215 3624 w
(white) 2376 3624 w
(space) 2626 3624 w
(in) 2875 3624 w
(place) 2981 3624 w
(of) 3219 3624 w
(the) 3330 3624 w
(equals) 3480 3624 w
(sign) 3763 3624 w
(to) 3958 3624 w
(separate) 4064 3624 w
(an) 4418 3624 w
(option) 4540 3624 w
(name) 4824 3624 w
(from its value.) 720 3744 w
10 /Times-Bold f
(DESCRIPTION) 720 3984 w
10 /Times-Roman f
(This) 720 4176 w
(program) 931 4176 w
(is) 1302 4176 w
(part) 1402 4176 w
(of) 1590 4176 w
(Netpbm.) 1706 4176 w
10 /Times-Bold f
(pnmtojpeg) 2111 4176 w
10 /Times-Roman f
(converts) 2605 4176 w
(the) 2976 4176 w
(named) 3132 4176 w
(PBM,) 3432 4176 w
(PGM,) 3703 4176 w
(or) 3979 4176 w
(PPM) 4096 4176 w
(image) 4331 4176 w
(file,) 4609 4176 w
(or) 4801 4176 w
(the) 4918 4176 w
(standard input if no file is named, to a JFIF file on the standard output.) 720 4296 w
10 /Times-Bold f
(pnmtojpeg) 720 4452 w
10 /Times-Roman f
(uses) 1258 4452 w
(the) 1507 4452 w
(Independent) 1706 4452 w
(JPEG) 2276 4452 w
(Group's) 2581 4452 w
(JPEG) 2985 4452 w
(library) 3290 4452 w
(to) 3633 4452 w
(create) 3788 4452 w
(the) 4102 4452 w
(output) 4301 4452 w
(file.) 4635 4452 w
(See) 4896 4452 w
10 /Times-Bold f
(http://www.ijg.org) 720 4572 w
10 /Times-Roman f
(for information on the library.) 1558 4572 w
("JFIF") 720 4728 w
(is) 1015 4728 w
(the) 1111 4728 w
(correct) 1262 4728 w
(name) 1567 4728 w
(for) 1812 4728 w
(the) 1957 4728 w
(image) 2108 4728 w
(format) 2381 4728 w
(commonly) 2676 4728 w
(known) 3133 4728 w
(as) 3434 4728 w
("JPEG.") 3546 4728 w
(Strictly) 3910 4728 w
(speaking,) 4234 4728 w
(JPEG) 4643 4728 w
(is) 4900 4728 w
(a) 4996 4728 w
(method) 720 4848 w
(of) 1058 4848 w
(compression.) 1179 4848 w
(The) 1772 4848 w
(image) 1965 4848 w
(format) 2247 4848 w
(using) 2551 4848 w
(JPEG) 2806 4848 w
(compression) 3072 4848 w
(that) 3615 4848 w
(is) 3803 4848 w
(by) 3908 4848 w
(far) 4046 4848 w
(the) 4194 4848 w
(most) 4354 4848 w
(common) 4586 4848 w
(is) 4973 4848 w
(JFIF.) 720 4968 w
(There is also a subformat of TIFF that uses JPEG compression.) 979 4968 w
(EXIF) 720 5124 w
(is) 970 5124 w
(an) 1065 5124 w
(image) 1187 5124 w
(format) 1459 5124 w
(that) 1753 5124 w
(is) 1931 5124 w
(a) 2026 5124 w
(subformat) 2098 5124 w
(of) 2531 5124 w
(JFIF) 2642 5124 w
(\(to) 2855 5124 w
(wit,) 2995 5124 w
(a) 3177 5124 w
(JFIF) 3250 5124 w
(file) 3463 5124 w
(that) 3625 5124 w
(contains) 3804 5124 w
(an) 4166 5124 w
(EXIF) 4289 5124 w
(header) 4540 5124 w
(as) 4834 5124 w
(an) 4946 5124 w
(APP1 marker\).) 720 5244 w
10 /Times-Bold f
(pnmtojpeg) 1369 5244 w
10 /Times-Roman f
(creates an EXIF image when you specify the) 1855 5244 w
10 /Times-Bold f
(\255exif) 3667 5244 w
10 /Times-Roman f
(option.) 3880 5244 w
10 /Times-Bold f
(OPTIONS) 720 5484 w
10 /Times-Roman f
(The basic options are:) 720 5676 w
10 /Times-Bold f
(\255exif=) 970 5832 w
10 /Times-Italic f
(filespec) 1215 5832 w
10 /Times-Roman f
(This) 1520 5832 w
(option) 1730 5832 w
(specifies) 2018 5832 w
(that) 2399 5832 w
(the) 2581 5832 w
(output) 2735 5832 w
(image) 3023 5832 w
(is) 3299 5832 w
(to) 3398 5832 w
(be) 3508 5832 w
(EXIF) 3635 5832 w
(\(a) 3890 5832 w
(subformat) 4000 5832 w
(of) 4438 5832 w
(JFIF\),) 4554 5832 w
(i.e.) 4829 5832 w
(it) 4984 5832 w
(will) 1220 5952 w
(have) 1402 5952 w
(an) 1616 5952 w
(EXIF) 1736 5952 w
(header) 1984 5952 w
(as) 2275 5952 w
(a) 2384 5952 w
(JFIF) 2454 5952 w
(APP1) 2664 5952 w
(marker.) 2924 5952 w
(The) 3282 5952 w
(contents) 3463 5952 w
(of) 3822 5952 w
(that) 3931 5952 w
(marker are the contents) 4107 5952 w
(of the specified file.) 1220 6072 w
(The) 2069 6072 w
(special) 2250 6072 w
(value) 2553 6072 w
10 /Times-Bold f
(\255) 2795 6072 w
10 /Times-Roman f
(means) 2854 6072 w
(to) 3135 6072 w
(read) 3239 6072 w
(the) 3436 6072 w
(EXIF) 3584 6072 w
(header) 3832 6072 w
(contents) 4123 6072 w
(from) 4482 6072 w
(standard) 4702 6072 w
(input.) 1220 6192 w
(It is invalid to specify standard input for both the EXIF header and the input image.) 1501 6192 w
(The) 970 6348 w
(EXIF) 1152 6348 w
(file) 1401 6348 w
(starts) 1561 6348 w
(with) 1799 6348 w
(a) 2004 6348 w
(two) 2075 6348 w
(byte) 2252 6348 w
(field) 2451 6348 w
(which) 2661 6348 w
(is) 2932 6348 w
(the) 3026 6348 w
(length) 3175 6348 w
(of) 3452 6348 w
(the) 3562 6348 w
(file,) 3711 6348 w
(including) 3896 6348 w
(the) 4301 6348 w
(length) 4450 6348 w
(field,) 4727 6348 w
(in) 4962 6348 w
(pure) 970 6468 w
(binary,) 1178 6468 w
(most) 1489 6468 w
(significant) 1715 6468 w
(byte) 2168 6468 w
(first.) 2371 6468 w
(The) 2613 6468 w
(special) 2799 6468 w
(value) 3107 6468 w
(of) 3354 6468 w
(zero) 3467 6468 w
(for) 3668 6468 w
(the) 3814 6468 w
(length) 3966 6468 w
(field) 4246 6468 w
(means) 4459 6468 w
(there) 4744 6468 w
(is) 4973 6468 w
(to) 970 6588 w
(be) 1083 6588 w
(no) 1212 6588 w
(EXIF) 1347 6588 w
(header,) 1604 6588 w
(i.e.) 1929 6588 w
(the) 2086 6588 w
(same) 2243 6588 w
(as) 2484 6588 w
(no) 2603 6588 w
10 /Times-Bold f
(\255exif) 2739 6588 w
10 /Times-Roman f
(option.) 2963 6588 w
(This) 3305 6588 w
(is) 3519 6588 w
(useful) 3622 6588 w
(for) 3902 6588 w
(when) 4054 6588 w
(you) 4306 6588 w
(convert) 4492 6588 w
(a) 4827 6588 w
(file) 4907 6588 w
(from) 970 6708 w
(JFIF) 1190 6708 w
(to) 1400 6708 w
(PNM) 1504 6708 w
(using) 1747 6708 w
10 /Times-Bold f
(jpegtopnm) 1990 6708 w
10 /Times-Roman f
(,) 2451 6708 w
(then) 2502 6708 w
(transform) 2700 6708 w
(it,) 3114 6708 w
(then) 3221 6708 w
(convert) 3419 6708 w
(it) 3744 6708 w
(back to JFIF with) 3826 6708 w
10 /Times-Bold f
(pnmtojpeg) 4554 6708 w
10 /Times-Roman f
(,) 5015 6708 w
(and you don't know whether or not it includes an EXIF header.) 970 6828 w
10 /Times-Bold f
(jpegtopnm) 3549 6828 w
10 /Times-Roman f
(creates an) 4035 6828 w
(EXIF) 4456 6828 w
(file) 4704 6828 w
(con\255) 4863 6828 w
(taining) 970 6948 w
(nothing) 1282 6948 w
(but) 1622 6948 w
(two) 1784 6948 w
(bytes) 1968 6948 w
(of) 2213 6948 w
(zero) 2329 6948 w
(when) 2533 6948 w
(the) 2782 6948 w
(input) 2937 6948 w
(JFIF) 3176 6948 w
(file) 3393 6948 w
(has) 3559 6948 w
(no) 3725 6948 w
(EXIF) 3858 6948 w
(header.) 4113 6948 w
(Thus,) 4461 6948 w
(you) 4719 6948 w
(can) 4902 6948 w
(transfer) 970 7068 w
(any) 1304 7068 w
(EXIF) 1478 7068 w
(header) 1730 7068 w
(from) 2025 7068 w
(the) 2249 7068 w
(input) 2401 7068 w
(JFIF) 2637 7068 w
(to) 2851 7068 w
(the) 2959 7068 w
(output) 3111 7068 w
(JFIF) 3397 7068 w
(without) 3611 7068 w
(worrying) 3947 7068 w
(about) 4343 7068 w
(whether) 4595 7068 w
(an) 4946 7068 w
(EXIF header actually exists.) 970 7188 w
cleartomark
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saveobj restore
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2 pagesetup
10 /Times-Roman f
(\255 2 \255) 2797 480 w
(The) 970 840 w
(contents) 1156 840 w
(of) 1520 840 w
(the) 1634 840 w
(EXIF) 1787 840 w
(file) 2040 840 w
(after) 2204 840 w
(the) 2417 840 w
(length) 2570 840 w
(field) 2852 840 w
(are) 3067 840 w
(the) 3220 840 w
(exact) 3374 840 w
(byte) 3616 840 w
(for) 3820 840 w
(byte) 3968 840 w
(contents) 4172 840 w
(of) 4537 840 w
(the) 4652 840 w
(APP1) 4806 840 w
(marker, not counting the length field, that constitutes the EXIF header.) 970 960 w
10 /Times-Bold f
(\255quality=) 970 1116 w
10 /Times-Italic f
(n) 1361 1116 w
10 /Times-Roman f
(Scale) 1411 1116 w
(quantization) 1661 1116 w
(tables) 2189 1116 w
(to) 2456 1116 w
(adjust) 2568 1116 w
(image) 2841 1116 w
(quality.) 3119 1116 w
10 /Times-Italic f
(n) 3481 1116 w
10 /Times-Roman f
(is) 3565 1116 w
(0) 3666 1116 w
(\(worst\)) 3750 1116 w
(to) 4073 1116 w
(100) 4186 1116 w
(\(best\);) 4371 1116 w
(default) 4661 1116 w
(is) 4973 1116 w
(75.) 1220 1236 w
(Below) 1412 1236 w
(about) 1715 1236 w
(25) 1979 1236 w
(can) 2120 1236 w
(produce) 2299 1236 w
(images) 2661 1236 w
(some) 2985 1236 w
(interpreters) 3237 1236 w
(won't) 3732 1236 w
(be) 4006 1236 w
(able) 4141 1236 w
(to) 4348 1236 w
(interpret.) 4467 1236 w
(See) 4896 1236 w
(below for more info.) 1220 1356 w
10 /Times-Bold f
(\255grayscale) 970 1512 w
(\255greyscale) 970 1668 w
(\255rgb) 970 1824 w
10 /Times-Roman f
(These) 1220 1824 w
(options) 1493 1824 w
(determine) 1823 1824 w
(the) 2257 1824 w
(color) 2414 1824 w
(space) 2654 1824 w
(used) 2910 1824 w
(in) 3128 1824 w
(the) 3241 1824 w
(JFIF) 3399 1824 w
(output.) 3619 1824 w
10 /Times-Bold f
(\255grayscale) 3961 1824 w
10 /Times-Roman f
(\(or) 4429 1824 w
10 /Times-Bold f
(\255greyscale) 4581 1824 w
10 /Times-Roman f
(\)) 5007 1824 w
(means) 1220 1944 w
(to) 1506 1944 w
(create) 1615 1944 w
(a) 1882 1944 w
(gray) 1956 1944 w
(scale) 2163 1944 w
(JFIF,) 2392 1944 w
(converting) 2631 1944 w
(from) 3088 1944 w
(color) 3312 1944 w
(PPM) 3547 1944 w
(input) 3778 1944 w
(if) 4014 1944 w
(necessary.) 4105 1944 w
10 /Times-Bold f
(\255rgb) 4572 1944 w
10 /Times-Roman f
(means) 4785 1944 w
(to create an RGB JFIF, and the program fails if the input is not PPM.) 1220 2064 w
(If you specify neither,) 970 2220 w
(The) 1877 2220 w
(output) 2058 2220 w
(file) 2340 2220 w
(is) 2499 2220 w
(in) 2592 2220 w
(YCbCr) 2696 2220 w
(format) 3011 2220 w
(if) 3303 2220 w
(the) 3390 2220 w
(input) 3538 2220 w
(is) 3770 2220 w
(PPM,) 3863 2220 w
(and) 4115 2220 w
(grayscale) 4285 2220 w
(format) 4687 2220 w
(if) 4979 2220 w
(the input is PBM or PGM.) 970 2340 w
(YCbCr) 970 2496 w
(format) 1299 2496 w
(\(a) 1605 2496 w
(color) 1722 2496 w
(is) 1967 2496 w
(represented) 2074 2496 w
(by) 2573 2496 w
(an) 2713 2496 w
(intensity) 2847 2496 w
(value) 3233 2496 w
(and) 3490 2496 w
(two) 3675 2496 w
(chrominance) 3866 2496 w
(values\)) 4422 2496 w
(usually) 4751 2496 w
(compresses) 970 2616 w
(much) 1457 2616 w
(better) 1706 2616 w
(than) 1960 2616 w
(RGB) 2159 2616 w
(\(a) 2392 2616 w
(color) 2496 2616 w
(is) 2728 2616 w
(represented) 2822 2616 w
(by) 3308 2616 w
(one) 3435 2616 w
(red,) 3606 2616 w
(one) 3785 2616 w
(green,) 3956 2616 w
(and) 4228 2616 w
(one) 4398 2616 w
(blue) 4568 2616 w
(value\).) 4766 2616 w
(RGB) 970 2736 w
(is) 1204 2736 w
(rare.) 1299 2736 w
(But) 1531 2736 w
(you) 1704 2736 w
(may) 1882 2736 w
(be) 2082 2736 w
(able) 2204 2736 w
(to) 2398 2736 w
(convert) 2505 2736 w
(between) 2833 2736 w
(JFIF) 3194 2736 w
(and) 3407 2736 w
(PPM) 3580 2736 w
(faster) 3810 2736 w
(with) 4060 2736 w
(RGB,) 4267 2736 w
(since) 4527 2736 w
(it's) 4761 2736 w
(the) 4918 2736 w
(same color space PPM uses.) 970 2856 w
(The) 970 3012 w
10 /Times-Bold f
(testimg.ppm) 1155 3012 w
10 /Times-Roman f
(file) 1715 3012 w
(that) 1878 3012 w
(comes) 2058 3012 w
(with) 2343 3012 w
(Netpbm) 2551 3012 w
(is) 2903 3012 w
(2.3) 3000 3012 w
(times) 3155 3012 w
(larger) 3402 3012 w
(with) 3665 3012 w
(the) 3874 3012 w
10 /Times-Bold f
(\255rgb) 4027 3012 w
10 /Times-Roman f
(option) 4241 3012 w
(that) 4528 3012 w
(with) 4709 3012 w
(the) 4918 3012 w
(YCbCr) 970 3132 w
(default,) 1286 3132 w
(and) 1615 3132 w
(in) 1786 3132 w
(one) 1891 3132 w
(experiment) 2062 3132 w
10 /Times-Bold f
(pnmtojpeg) 2538 3132 w
10 /Times-Roman f
(took) 3026 3132 w
(16%) 3231 3132 w
(more) 3441 3132 w
(CPU) 3673 3132 w
(time) 3895 3132 w
(to) 4099 3132 w
(convert) 4203 3132 w
(it.) 4528 3132 w
(The) 4660 3132 w
(extra) 4841 3132 w
(CPU) 970 3252 w
(time) 1194 3252 w
(probably) 1401 3252 w
(indicates) 1785 3252 w
(that) 2170 3252 w
(processing) 2350 3252 w
(of) 2807 3252 w
(all) 2920 3252 w
(the) 3050 3252 w
(extra) 3202 3252 w
(compressed) 3431 3252 w
(data) 3932 3252 w
(consumed) 4128 3252 w
(all) 4563 3252 w
(the) 4693 3252 w
(CPU) 4845 3252 w
(time saved by not having to convert the RGB inputs to YCbCr.) 970 3372 w
(Grayscale) 970 3528 w
(format) 1394 3528 w
(takes) 1686 3528 w
(up) 1917 3528 w
(a) 2043 3528 w
(lot) 2113 3528 w
(less) 2245 3528 w
(space) 2421 3528 w
(and) 2668 3528 w
(takes) 2838 3528 w
(less) 3069 3528 w
(time) 3245 3528 w
(to) 3449 3528 w
(create) 3553 3528 w
(and) 3816 3528 w
(process) 3986 3528 w
(than) 4311 3528 w
(the) 4510 3528 w
(color) 4659 3528 w
(for\255) 4891 3528 w
(mats, even if the image contains nothing but black, white, and gray.) 970 3648 w
(The) 970 3804 w
10 /Times-Bold f
(\255rgb) 1150 3804 w
10 /Times-Roman f
(option was added in Netpbm 10.11 in October 2002.) 1358 3804 w
10 /Times-Bold f
(\255density=) 970 3960 w
10 /Times-Italic f
(density) 1366 3960 w
10 /Times-Roman f
(This) 1649 3960 w
(option) 1854 3960 w
(determines) 2137 3960 w
(the) 2602 3960 w
(density) 2751 3960 w
(\(aka) 3067 3960 w
(resolution\)) 3265 3960 w
(information) 3725 3960 w
(recorded) 4224 3960 w
(in) 4600 3960 w
(the) 4706 3960 w
(JFIF) 4856 3960 w
(output) 1220 4080 w
(image.) 1505 4080 w
(It) 1828 4080 w
(does) 1918 4080 w
(not) 2130 4080 w
(affect) 2287 4080 w
(the) 2542 4080 w
(raster) 2693 4080 w
(in) 2943 4080 w
(any) 3050 4080 w
(way;) 3223 4080 w
(it) 3445 4080 w
(just) 3529 4080 w
(tells) 3702 4080 w
(whoever) 3897 4080 w
(reads) 4268 4080 w
(the) 4506 4080 w
(JFIF) 4656 4080 w
(how) 4868 4080 w
(to interpret the raster.) 1220 4200 w
(The) 970 4356 w
(density) 1155 4356 w
(value) 1474 4356 w
(takes) 1720 4356 w
(the) 1955 4356 w
(form) 2107 4356 w
10 /Times-Italic f
(x) 2331 4356 w
10 /Times-Bold f
(x) 2375 4356 w
10 /Times-Italic f
(y) 2425 4356 w
10 /Times-Roman f
(followed) 2499 4356 w
(by) 2884 4356 w
(an) 3014 4356 w
(optional) 3138 4356 w
(unit) 3496 4356 w
(specifier) 3682 4356 w
(of) 4055 4356 w
10 /Times-Bold f
(dpi) 4169 4356 w
10 /Times-Roman f
(or) 4340 4356 w
10 /Times-Bold f
(dpcm) 4454 4356 w
10 /Times-Roman f
(.) 4693 4356 w
(Exam\255) 4774 4356 w
(ples:) 970 4476 w
10 /Times-Bold f
(1x1) 1185 4476 w
10 /Times-Roman f
(,) 1335 4476 w
10 /Times-Bold f
(3x2) 1386 4476 w
10 /Times-Roman f
(,) 1536 4476 w
10 /Times-Bold f
(300x300dpi) 1587 4476 w
10 /Times-Roman f
(,) 2077 4476 w
10 /Times-Bold f
(100x200dpcm) 2128 4476 w
10 /Times-Roman f
(.) 2717 4476 w
(The) 2793 4476 w
(first) 2974 4476 w
(number) 3161 4476 w
(is) 3492 4476 w
(the) 3585 4476 w
(horizontal) 3733 4476 w
(density;) 4164 4476 w
(the 2nd num\255) 4507 4476 w
(ber) 970 4596 w
(is) 1130 4596 w
(the) 1230 4596 w
(vertical) 1385 4596 w
(density.) 1717 4596 w
(Each) 2089 4596 w
(may) 2321 4596 w
(be) 2526 4596 w
(any) 2653 4596 w
(integer) 2830 4596 w
(from) 3140 4596 w
(1) 3367 4596 w
(to) 3450 4596 w
(65535.) 3561 4596 w
(The) 3894 4596 w
(unit) 4082 4596 w
(specifier) 4272 4596 w
(is) 4649 4596 w
10 /Times-Bold f
(dpi) 4750 4596 w
10 /Times-Roman f
(for) 4924 4596 w
(dots) 970 4716 w
(per) 1165 4716 w
(inch) 1320 4716 w
(or) 1519 4716 w
10 /Times-Bold f
(dpcm) 1629 4716 w
10 /Times-Roman f
(for) 1895 4716 w
(dots) 2038 4716 w
(per) 2232 4716 w
(centimeter.) 2386 4716 w
(If) 2884 4716 w
(you) 2977 4716 w
(don't) 3154 4716 w
(specify) 3392 4716 w
(the) 3707 4716 w
(units,) 3856 4716 w
(the) 4103 4716 w
(density) 4252 4716 w
(information) 4568 4716 w
(goes) 970 4836 w
(into) 1180 4836 w
(the) 1363 4836 w
(JFIF) 1512 4836 w
(explicitly) 1723 4836 w
(stating) 2128 4836 w
("density) 2422 4836 w
(unspecified") 2779 4836 w
(\(also) 3307 4836 w
(interpreted) 3528 4836 w
(as) 3987 4836 w
("unknown"\).) 4097 4836 w
(This) 4662 4836 w
(may) 4868 4836 w
(seem) 970 4956 w
(pointless,) 1211 4956 w
(but) 1628 4956 w
(note) 1792 4956 w
(that) 1999 4956 w
(even) 2184 4956 w
(without) 2407 4956 w
(specifying) 2748 4956 w
(the) 3199 4956 w
(units,) 3356 4956 w
(the) 3611 4956 w
(density) 3768 4956 w
(numbers) 4092 4956 w
(tell) 4471 4956 w
(the) 4634 4956 w
(aspect) 4791 4956 w
(ratio) 970 5076 w
(of) 1181 5076 w
(the) 1292 5076 w
(pixels.) 1442 5076 w
(E.g.) 1759 5076 w
10 /Times-Bold f
(1x1) 1948 5076 w
10 /Times-Roman f
(tells) 2126 5076 w
(you) 2321 5076 w
(the) 2499 5076 w
(pixels) 2650 5076 w
(are) 2918 5076 w
(square.) 3068 5076 w
10 /Times-Bold f
(3x2) 3407 5076 w
10 /Times-Roman f
(tells) 3586 5076 w
(you) 3782 5076 w
(the) 3961 5076 w
(pixels) 4112 5076 w
(are) 4380 5076 w
(vertical) 4530 5076 w
(rect\255) 4858 5076 w
(angles.) 970 5196 w
(Note) 970 5352 w
(that) 1196 5352 w
(if) 1378 5352 w
(you) 1471 5352 w
(specify) 1653 5352 w
(different) 1973 5352 w
(horizontal) 2348 5352 w
(and) 2786 5352 w
(vertical) 2963 5352 w
(densities,) 3295 5352 w
(the) 3703 5352 w
(resulting) 3858 5352 w
(JFIF) 4241 5352 w
(image) 4458 5352 w
(is) 4735 5352 w
(not) 4835 5352 w
(a) 4996 5352 w
(true) 970 5472 w
(representation) 1160 5472 w
(of) 1760 5472 w
(the) 1878 5472 w
(input) 2035 5472 w
(PNM) 2276 5472 w
(image,) 2528 5472 w
(because) 2831 5472 w
10 /Times-Bold f
(pnmtojpeg) 3180 5472 w
10 /Times-Roman f
(converts) 3675 5472 w
(the) 4047 5472 w
(raster) 4203 5472 w
(pixel\255for\255pixel) 4458 5472 w
(and) 970 5592 w
(the) 1140 5592 w
(pixels) 1288 5592 w
(of) 1553 5592 w
(a) 1662 5592 w
(PNM) 1732 5592 w
(image) 1975 5592 w
(are) 2245 5592 w
(defined) 2392 5592 w
(to) 2717 5592 w
(be) 2821 5592 w
(square.) 2941 5592 w
(Thus,) 3277 5592 w
(if) 3528 5592 w
(you) 3615 5592 w
(start) 3791 5592 w
(with) 3989 5592 w
(a) 4194 5592 w
(square) 4265 5592 w
(PNM) 4552 5592 w
(image) 4796 5592 w
(and) 970 5712 w
(specify) 1141 5712 w
10 /Times-Bold f
(\255density=3x2) 1456 5712 w
10 /Times-Roman f
(,) 2002 5712 w
(the) 2054 5712 w
(resulting) 2203 5712 w
(JFIF) 2580 5712 w
(image) 2791 5712 w
(is) 3062 5712 w
(a) 3156 5712 w
(horizontally) 3226 5712 w
(squashed) 3735 5712 w
(version) 4127 5712 w
(of) 4447 5712 w
(the) 4556 5712 w
(original.) 4704 5712 w
(However,) 970 5832 w
(it) 1395 5832 w
(is) 1486 5832 w
(common) 1588 5832 w
(to) 1973 5832 w
(use) 2086 5832 w
(an) 2255 5832 w
(input) 2385 5832 w
(image) 2627 5832 w
(which) 2907 5832 w
(is) 3187 5832 w
(a) 3290 5832 w
(slight) 3370 5832 w
(variation) 3629 5832 w
(on) 4020 5832 w
(PNM) 4156 5832 w
(rather) 4409 5832 w
(than) 4677 5832 w
(true) 4885 5832 w
(PNM) 970 5952 w
(such) 1213 5952 w
(that) 1422 5952 w
(the) 1598 5952 w
(pixels) 1746 5952 w
(are) 2011 5952 w
(not) 2158 5952 w
(square.) 2312 5952 w
(In) 2648 5952 w
(that) 2757 5952 w
(case,) 2933 5952 w
(the) 3155 5952 w
(appropriate) 3303 5952 w
(\255density) 3783 5952 w
(option) 4131 5952 w
(yields a faithful) 4413 5952 w
(reproduction of the input pseudo\255PNM image.) 970 6072 w
(The default is 1x1 in unspecified units.) 970 6228 w
(Before) 970 6384 w
(Netpbm) 1278 6384 w
(10.15) 1638 6384 w
(\(April) 1901 6384 w
(2003\),) 2183 6384 w
(this) 2479 6384 w
(option) 2662 6384 w
(did) 2956 6384 w
(not) 3122 6384 w
(exist) 3288 6384 w
(and) 3515 6384 w
(the) 3697 6384 w
10 /Times-Bold f
(pnmtojpeg) 3857 6384 w
10 /Times-Roman f
(always) 4356 6384 w
(created) 4671 6384 w
(a) 4996 6384 w
(JFIF with a density of 1x1 in unspecified units.) 970 6504 w
10 /Times-Bold f
(\255optimize) 970 6660 w
10 /Times-Roman f
(Perform) 1415 6660 w
(optimization) 1788 6660 w
(of) 2340 6660 w
(entropy) 2469 6660 w
(encoding) 2821 6660 w
(parameters.) 3234 6660 w
(Without) 3768 6660 w
(this,) 4143 6660 w
10 /Times-Bold f
(pnmtojpeg) 4360 6660 w
10 /Times-Roman f
(uses) 4868 6660 w
(default) 1220 6780 w
(encoding) 1529 6780 w
(parameters.) 1927 6780 w
10 /Times-Bold f
(\255optimize) 2445 6780 w
10 /Times-Roman f
(usually) 2875 6780 w
(makes) 3195 6780 w
(the) 3481 6780 w
(JFIF) 3634 6780 w
(file) 3849 6780 w
(a) 4013 6780 w
(little) 4088 6780 w
(smaller,) 4303 6780 w
(but) 4653 6780 w
10 /Times-Bold f
(pnm\255) 4812 6780 w
(tojpeg) 1220 6900 w
10 /Times-Roman f
(runs) 1528 6900 w
(somewhat) 1742 6900 w
(slower) 2189 6900 w
(and) 2497 6900 w
(needs) 2683 6900 w
(much) 2952 6900 w
(more) 3216 6900 w
(memory.) 3463 6900 w
(Image) 3888 6900 w
(quality) 4179 6900 w
(and) 4500 6900 w
(speed) 4687 6900 w
(of) 4957 6900 w
(decompression are unaffected by) 1220 7020 w
10 /Times-Bold f
(\255optimize) 2560 7020 w
10 /Times-Roman f
(.) 2959 7020 w
10 /Times-Bold f
(\255progressive) 970 7176 w
10 /Times-Roman f
(Create a progressive JPEG file \(see below\).) 1491 7176 w
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3 pagesetup
10 /Times-Roman f
(\255 3 \255) 2797 480 w
10 /Times-Bold f
(\255comment=) 970 840 w
10 /Times-Italic f
(text) 1453 840 w
10 /Times-Roman f
(Include) 1597 840 w
(a) 1927 840 w
(comment) 2002 840 w
(marker) 2406 840 w
(in) 2720 840 w
(the) 2830 840 w
(JFIF) 2984 840 w
(output,) 3200 840 w
(with) 3513 840 w
(comment) 3723 840 w
(text) 4127 840 w
10 /Times-Italic f
(text) 4309 840 w
10 /Times-Roman f
(.) 4453 840 w
(Without) 4535 840 w
(this) 4895 840 w
(option, there are no comment markers in the output.) 1220 960 w
(The) 720 1116 w
10 /Times-Bold f
(\255quality) 907 1116 w
10 /Times-Roman f
(option) 1273 1116 w
(lets) 1561 1116 w
(you) 1732 1116 w
(trade) 1914 1116 w
(off) 2145 1116 w
(compressed) 2293 1116 w
(file) 2796 1116 w
(size) 2961 1116 w
(against) 3148 1116 w
(quality) 3463 1116 w
(of) 3773 1116 w
(the) 3888 1116 w
(reconstructed) 4043 1116 w
(image:) 4613 1116 w
(the) 4918 1116 w
(higher) 720 1236 w
(the) 1011 1236 w
(quality) 1169 1236 w
(setting,) 1483 1236 w
(the) 1810 1236 w
(larger) 1967 1236 w
(the) 2234 1236 w
(JFIF) 2391 1236 w
(file,) 2610 1236 w
(and) 2803 1236 w
(the) 2982 1236 w
(closer) 3139 1236 w
(the) 3412 1236 w
(output) 3569 1236 w
(image) 3860 1236 w
(will) 4139 1236 w
(be) 4330 1236 w
(to) 4459 1236 w
(the) 4572 1236 w
(original) 4729 1236 w
(input.) 720 1356 w
(Normally) 1002 1356 w
(you) 1411 1356 w
(want) 1587 1356 w
(to) 1807 1356 w
(use) 1911 1356 w
(the) 2070 1356 w
(lowest) 2218 1356 w
(quality) 2505 1356 w
(setting) 2809 1356 w
(\(smallest) 3102 1356 w
(file\)) 3489 1356 w
(that) 3682 1356 w
(decompresses) 3859 1356 w
(into) 4440 1356 w
(something) 4623 1356 w
(visually) 720 1476 w
(indistinguishable) 1069 1476 w
(from) 1785 1476 w
(the) 2011 1476 w
(original) 2165 1476 w
(image.) 2507 1476 w
(For) 2832 1476 w
(this) 3002 1476 w
(purpose) 3178 1476 w
(the) 3525 1476 w
(quality) 3678 1476 w
(setting) 3987 1476 w
(should) 4285 1476 w
(be) 4583 1476 w
(between) 4708 1476 w
(50) 720 1596 w
(and) 852 1596 w
(95) 1028 1596 w
(for) 1160 1596 w
(reasonable) 1308 1596 w
(results;) 1766 1596 w
(the) 2087 1596 w
(default) 2241 1596 w
(of) 2550 1596 w
(75) 2665 1596 w
(is) 2797 1596 w
(often) 2897 1596 w
(about) 3135 1596 w
(right.) 3390 1596 w
(If) 3662 1596 w
(you) 3761 1596 w
(see) 3944 1596 w
(defects) 4104 1596 w
(at) 4419 1596 w
10 /Times-Bold f
(\255quality=75) 4524 1596 w
10 /Times-Roman f
(,) 5015 1596 w
(then) 720 1716 w
(go) 926 1716 w
(up) 1059 1716 w
(5) 1192 1716 w
(or) 1275 1716 w
(10) 1391 1716 w
(counts) 1524 1716 w
(at) 1818 1716 w
(a) 1923 1716 w
(time) 2000 1716 w
(until) 2211 1716 w
(you) 2428 1716 w
(are) 2611 1716 w
(happy) 2765 1716 w
(with) 3042 1716 w
(the) 3253 1716 w
(output) 3408 1716 w
(image.) 3697 1716 w
(\(The) 4024 1716 w
(optimal) 4245 1716 w
(setting) 4584 1716 w
(will) 4884 1716 w
(vary from one image to another.\)) 720 1836 w
10 /Times-Bold f
(\255quality=100) 720 1992 w
10 /Times-Roman f
(generates) 1288 1992 w
(a) 1691 1992 w
(quantization) 1762 1992 w
(table) 2283 1992 w
(of) 2504 1992 w
(all) 2614 1992 w
(1's,) 2741 1992 w
(minimizing) 2916 1992 w
(loss) 3406 1992 w
(in) 3590 1992 w
(the) 3696 1992 w
(quantization) 3846 1992 w
(step) 4368 1992 w
(\(but) 4557 1992 w
(there) 4746 1992 w
(is) 4973 1992 w
(still) 720 2112 w
(information) 897 2112 w
(loss) 1395 2112 w
(in) 1577 2112 w
(subsampling,) 1681 2112 w
(as) 2238 2112 w
(well) 2347 2112 w
(as roundoff error\).) 2545 2112 w
(This setting is mainly of interest for exper\255) 3328 2112 w
(imental) 720 2232 w
(purposes.) 1046 2232 w
(Quality) 1477 2232 w
(values) 1803 2232 w
(above) 2084 2232 w
(about) 2348 2232 w
(95) 2597 2232 w
(are) 2724 2232 w
(not) 2872 2232 w
(recommended) 3027 2232 w
(for) 3619 2232 w
(normal) 3762 2232 w
(use;) 4072 2232 w
(the) 4260 2232 w
(compressed) 4409 2232 w
(file) 4907 2232 w
(size goes up dramatically for hardly any gain in output image quality.) 720 2352 w
(In) 720 2508 w
(the) 831 2508 w
(other) 981 2508 w
(direction,) 1214 2508 w
(quality) 1622 2508 w
(values) 1928 2508 w
(below) 2211 2508 w
(50) 2483 2508 w
(will) 2611 2508 w
(produce) 2795 2508 w
(very) 3144 2508 w
(small) 3349 2508 w
(files) 3595 2508 w
(of) 3796 2508 w
(low) 3908 2508 w
(image) 4087 2508 w
(quality.) 4360 2508 w
(Settings) 4717 2508 w
(around) 720 2628 w
(5) 1025 2628 w
(to) 1103 2628 w
(10) 1209 2628 w
(might) 1337 2628 w
(be) 1598 2628 w
(useful) 1719 2628 w
(in) 1990 2628 w
(preparing) 2095 2628 w
(an) 2504 2628 w
(index) 2625 2628 w
(of) 2874 2628 w
(a) 2984 2628 w
(large) 3055 2628 w
(image) 3281 2628 w
(library,) 3552 2628 w
(for) 3870 2628 w
(example.) 4013 2628 w
(Try) 4428 2628 w
10 /Times-Bold f
(\255quality=2) 4599 2628 w
10 /Times-Roman f
(\(or) 720 2748 w
(so\)) 862 2748 w
(for) 1010 2748 w
(some) 1152 2748 w
(amusing) 1389 2748 w
(Cubist) 1754 2748 w
(effects.) 2042 2748 w
(\(Note:) 2384 2748 w
(quality) 2666 2748 w
(values) 2971 2748 w
(below) 3253 2748 w
(about) 3524 2748 w
(25) 3773 2748 w
(generate) 3900 2748 w
(2\255byte) 4264 2748 w
(quantization) 4546 2748 w
(tables,) 720 2868 w
(which) 1006 2868 w
(are) 1278 2868 w
(considered) 1427 2868 w
(optional) 1887 2868 w
(in) 2243 2868 w
(the) 2349 2868 w
(JFIF) 2499 2868 w
(standard.) 2710 2868 w
10 /Times-Bold f
(pnmtojpeg) 3125 2868 w
10 /Times-Roman f
(emits) 3613 2868 w
(a) 3857 2868 w
(warning) 3928 2868 w
(message) 4282 2868 w
(when) 4647 2868 w
(you) 4890 2868 w
(give) 720 2988 w
(such) 926 2988 w
(a) 1143 2988 w
(quality) 1221 2988 w
(value,) 1533 2988 w
(because) 1808 2988 w
(some) 2157 2988 w
(other) 2402 2988 w
(JFIF) 2642 2988 w
(programs) 2861 2988 w
(may) 3273 2988 w
(be) 3480 2988 w
(unable) 3609 2988 w
(to) 3910 2988 w
(decode) 4023 2988 w
(the) 4340 2988 w
(resulting) 4497 2988 w
(file.) 4882 2988 w
(Use) 720 3108 w
10 /Times-Bold f
(\255baseline) 900 3108 w
10 /Times-Roman f
(if you need to ensure compatibility at low quality values.\)) 1303 3108 w
(The) 720 3264 w
10 /Times-Bold f
(\255progressive) 909 3264 w
10 /Times-Roman f
(option) 1464 3264 w
(creates) 1754 3264 w
(a) 2064 3264 w
("progressive) 2142 3264 w
(JPEG") 2677 3264 w
(file.) 2980 3264 w
(In) 3197 3264 w
(this) 3314 3264 w
(type) 3493 3264 w
(of) 3699 3264 w
(JFIF) 3816 3264 w
(file,) 4034 3264 w
(the) 4226 3264 w
(data) 4382 3264 w
(is) 4582 3264 w
(stored) 4683 3264 w
(in) 4962 3264 w
(multiple) 720 3384 w
(scans) 1087 3384 w
(of) 1336 3384 w
(increasing) 1452 3384 w
(quality.) 1894 3384 w
(If) 2254 3384 w
(the) 2352 3384 w
(file) 2506 3384 w
(is) 2671 3384 w
(being) 2770 3384 w
(transmitted) 3024 3384 w
(over) 3506 3384 w
(a) 3715 3384 w
(slow) 3791 3384 w
(communications) 4012 3384 w
(link,) 4705 3384 w
(the) 4918 3384 w
(decoder can use the first scan to display a low\255quality image) 720 3504 w
(very) 3158 3504 w
(quickly,) 3361 3504 w
(and) 3712 3504 w
(can) 3882 3504 w
(then) 4046 3504 w
(improve) 4244 3504 w
(the) 4603 3504 w
(display) 4751 3504 w
(with) 720 3624 w
(each) 925 3624 w
(subsequent) 1134 3624 w
(scan.) 1605 3624 w
(The) 1858 3624 w
(final) 2039 3624 w
(image) 2248 3624 w
(is) 2518 3624 w
(exactly) 2611 3624 w
(equivalent) 2925 3624 w
(to) 3367 3624 w
(a) 3471 3624 w
(standard) 3541 3624 w
(JFIF) 3905 3624 w
(file) 4115 3624 w
(of) 4274 3624 w
(the) 4383 3624 w
(same) 4531 3624 w
(quality) 4762 3624 w
(setting, and the total file size is about the same \255\255 often a little smaller.) 720 3744 w
(Caution:) 720 3900 w
(progressive) 1093 3900 w
(JPEG) 1581 3900 w
(is) 1837 3900 w
(not) 1932 3900 w
(yet) 2088 3900 w
(widely) 2239 3900 w
(implemented,) 2540 3900 w
(so) 3116 3900 w
(many) 3234 3900 w
(decoders) 3485 3900 w
(will) 3868 3900 w
(be) 4053 3900 w
(unable) 4176 3900 w
(to) 4471 3900 w
(view) 4578 3900 w
(a) 4801 3900 w
(pro\255) 4874 3900 w
(gressive JPEG file at all.) 720 4020 w
(If) 720 4176 w
(you're) 818 4176 w
(trying) 1110 4176 w
(to) 1381 4176 w
(control) 1492 4176 w
(the) 1808 4176 w
(quality/file) 1963 4176 w
(size) 2435 4176 w
(tradeoff,) 2623 4176 w
(you) 2996 4176 w
(might) 3179 4176 w
(consider) 3446 4176 w
(the) 3817 4176 w
(JPEG2000) 3972 4176 w
(format) 4433 4176 w
(instead.) 4732 4176 w
(See pamtojpeg2k.) 720 4296 w
(Options for advanced users:) 720 4452 w
10 /Times-Bold f
(\255dct=int) 970 4608 w
10 /Times-Roman f
(Use integer DCT method \(default\).) 1310 4608 w
10 /Times-Bold f
(\255dct=fast) 970 4764 w
10 /Times-Roman f
(Use fast integer DCT \(less accurate\).) 1348 4764 w
10 /Times-Bold f
(\255dct=float) 970 4920 w
10 /Times-Roman f
(Use) 1387 4920 w
(floating\255point) 1571 4920 w
(DCT) 2150 4920 w
(method.) 2379 4920 w
(The) 2758 4920 w
(float) 2942 4920 w
(method) 3155 4920 w
(is) 3485 4920 w
(very) 3582 4920 w
(slightly) 3789 4920 w
(more) 4120 4920 w
(accurate) 4355 4920 w
(than) 4716 4920 w
(the) 4918 4920 w
(int) 1220 5040 w
(method,) 1368 5040 w
(but) 1735 5040 w
(is) 1905 5040 w
(much) 2013 5040 w
(slower) 2276 5040 w
(unless) 2583 5040 w
(your) 2874 5040 w
(machine) 3098 5040 w
(has) 3477 5040 w
(very) 3651 5040 w
(fast) 3869 5040 w
(floating\255point) 4054 5040 w
(hardware.) 4645 5040 w
(Also) 1220 5160 w
(note) 1445 5160 w
(that) 1653 5160 w
(results) 1839 5160 w
(of) 2136 5160 w
(the) 2255 5160 w
(floating\255point) 2413 5160 w
(method) 2999 5160 w
(may) 3335 5160 w
(vary) 3543 5160 w
(slightly) 3756 5160 w
(across) 4093 5160 w
(machines,) 4379 5160 w
(while) 4818 5160 w
(the) 1220 5280 w
(integer) 1369 5280 w
(methods) 1673 5280 w
(should) 2039 5280 w
(give) 2333 5280 w
(the) 2532 5280 w
(same) 2681 5280 w
(results) 2913 5280 w
(everywhere.) 3201 5280 w
(The) 3742 5280 w
(fast) 3924 5280 w
(integer) 4095 5280 w
(method) 4399 5280 w
(is) 4725 5280 w
(much) 4818 5280 w
(less accurate than the other two.) 1220 5400 w
10 /Times-Bold f
(\255arithmetic) 970 5556 w
10 /Times-Roman f
(Use arithmetic coding.) 1446 5556 w
(Default is Huffman encoding.) 2403 5556 w
(Arithmetic coding) 3645 5556 w
(tends) 4401 5556 w
(to) 4638 5556 w
(get) 4742 5556 w
(you) 4890 5556 w
(a smaller result.) 1220 5676 w
(You) 970 5832 w
(may) 1172 5832 w
(need) 1374 5832 w
(patent) 1592 5832 w
(licenses) 1866 5832 w
(to) 2212 5832 w
(use) 2320 5832 w
(this) 2483 5832 w
(option.) 2659 5832 w
(According) 2996 5832 w
(to) 3448 5832 w
(the) 3557 5832 w
(JPEG) 3710 5832 w
(FAQ,) 3969 5832 w
(This) 4225 5832 w
(method) 4434 5832 w
(is) 4765 5832 w
(cov\255) 4863 5832 w
(ered by patents owned by IBM, AT&T, and Mitsubishi.) 970 5952 w
(The) 970 6108 w
(author) 1171 6108 w
(of) 1472 6108 w
(the) 1601 6108 w
(FAQ) 1769 6108 w
(recommends) 2015 6108 w
(against) 2571 6108 w
(using) 2900 6108 w
(arithmetic) 3163 6108 w
(coding) 3614 6108 w
(\(and) 3932 6108 w
(therefore) 4155 6108 w
(this) 4560 6108 w
(option\)) 4751 6108 w
(because the space savings is not great enough to justify the legal hassles.) 970 6228 w
10 /Times-Bold f
(\255restart=) 970 6384 w
10 /Times-Italic f
(n) 1347 6384 w
10 /Times-Roman f
(Emit) 1397 6384 w
(a) 1622 6384 w
(JPEG) 1696 6384 w
(restart) 1954 6384 w
(marker) 2233 6384 w
(every) 2545 6384 w
10 /Times-Italic f
(n) 2796 6384 w
10 /Times-Roman f
(MCU) 2876 6384 w
(rows,) 3134 6384 w
(or) 3383 6384 w
(every) 3497 6384 w
10 /Times-Italic f
(n) 3749 6384 w
10 /Times-Roman f
(MCU) 3830 6384 w
(blocks) 4089 6384 w
(if) 4381 6384 w
(you) 4473 6384 w
(append) 4654 6384 w
10 /Times-Bold f
(B) 4973 6384 w
10 /Times-Roman f
(to the number.) 1220 6504 w
10 /Times-Bold f
(\255restart 0) 1850 6504 w
10 /Times-Roman f
(\(the default\) means no restart markers.) 2270 6504 w
10 /Times-Bold f
(\255smooth=) 970 6660 w
10 /Times-Italic f
(n) 1371 6660 w
10 /Times-Roman f
(Smooth) 1421 6660 w
(the) 1763 6660 w
(input) 1915 6660 w
(image) 2151 6660 w
(to) 2426 6660 w
(eliminate) 2535 6660 w
(dithering) 2938 6660 w
(noise.) 3330 6660 w
10 /Times-Italic f
(n) 3622 6660 w
10 /Times-Roman f
(,) 3672 6660 w
(ranging) 3728 6660 w
(from) 4064 6660 w
(1) 4289 6660 w
(to) 4370 6660 w
(100,) 4479 6660 w
(indicates) 4685 6660 w
(the strength of smoothing.) 1220 6780 w
(0 \(the default\) means no smoothing.) 2320 6780 w
10 /Times-Bold f
(\255maxmemory=) 970 6936 w
10 /Times-Italic f
(n) 1597 6936 w
10 /Times-Roman f
(Set) 1647 6936 w
(a) 1812 6936 w
(limit) 1893 6936 w
(for) 2121 6936 w
(amount) 2275 6936 w
(of) 2613 6936 w
(memory) 2734 6936 w
(to) 3105 6936 w
(use) 3221 6936 w
(in) 3392 6936 w
(processing) 3508 6936 w
(large) 3973 6936 w
(images.) 4210 6936 w
(Value) 4581 6936 w
(is) 4857 6936 w
(in) 4962 6936 w
(thousands) 1220 7056 w
(of) 1670 7056 w
(bytes,) 1803 7056 w
(or) 2089 7056 w
(millions) 2222 7056 w
(of) 2601 7056 w
(bytes) 2734 7056 w
(if) 2995 7056 w
(you) 3106 7056 w
(append) 3306 7056 w
10 /Times-Bold f
(M) 3644 7056 w
10 /Times-Roman f
(to) 3787 7056 w
(the) 3914 7056 w
(number.) 4085 7056 w
(For) 4489 7056 w
(example,) 4677 7056 w
10 /Times-Bold f
(\255max=4m) 1220 7176 w
10 /Times-Roman f
(selects 4,000,000 bytes.) 1651 7176 w
(If) 2653 7176 w
10 /Times-Bold f
(pnmtojpeg) 2744 7176 w
10 /Times-Roman f
(needs more space, it will use temporary files.) 3230 7176 w
cleartomark
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/saveobj save def
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10 /Times-Roman f
(\255 4 \255) 2797 480 w
10 /Times-Bold f
(\255verbose) 970 840 w
10 /Times-Roman f
(Print) 1330 840 w
(to) 1554 840 w
(the) 1661 840 w
(Standard) 1812 840 w
(Error) 2196 840 w
(file) 2436 840 w
(messages) 2599 840 w
(about) 3006 840 w
(the) 3258 840 w
(conversion) 3410 840 w
(process.) 3878 840 w
(This) 4257 840 w
(can) 4465 840 w
(be) 4633 840 w
(helpful) 4757 840 w
(in debugging problems.) 1220 960 w
(The) 720 1116 w
10 /Times-Bold f
(\255restart) 909 1116 w
10 /Times-Roman f
(option) 1263 1116 w
(tells) 1553 1116 w
10 /Times-Bold f
(pnmtojpeg) 1754 1116 w
10 /Times-Roman f
(to) 2274 1116 w
(insert) 2387 1116 w
(extra) 2644 1116 w
(markers) 2878 1116 w
(that) 3234 1116 w
(allow) 3419 1116 w
(a) 3676 1116 w
(JPEG) 3755 1116 w
(decoder) 4018 1116 w
(to) 4368 1116 w
(resynchronize) 4481 1116 w
(after) 720 1236 w
(a) 935 1236 w
(transmission) 1012 1236 w
(error.) 1550 1236 w
(Without) 1825 1236 w
(restart) 2185 1236 w
(markers,) 2466 1236 w
(any) 2844 1236 w
(damage) 3020 1236 w
(to) 3362 1236 w
(a) 3472 1236 w
(compressed) 3548 1236 w
(file) 4051 1236 w
(will) 4216 1236 w
(usually) 4404 1236 w
(ruin) 4725 1236 w
(the) 4918 1236 w
(image) 720 1356 w
(from) 993 1356 w
(the) 1216 1356 w
(point) 1367 1356 w
(of) 1603 1356 w
(the) 1716 1356 w
(error) 1868 1356 w
(to) 2091 1356 w
(the) 2199 1356 w
(end) 2351 1356 w
(of) 2525 1356 w
(the) 2638 1356 w
(image;) 2790 1356 w
(with) 3092 1356 w
(restart) 3300 1356 w
(markers,) 3579 1356 w
(the) 3955 1356 w
(damage) 4107 1356 w
(is) 4447 1356 w
(usually) 4544 1356 w
(con\255) 4863 1356 w
(fined) 720 1476 w
(to) 955 1476 w
(the) 1063 1476 w
(portion) 1215 1476 w
(of) 1534 1476 w
(the) 1646 1476 w
(image) 1797 1476 w
(up) 2070 1476 w
(to) 2199 1476 w
(the) 2306 1476 w
(next) 2457 1476 w
(restart) 2658 1476 w
(marker.) 2936 1476 w
(Of) 3297 1476 w
(course,) 3431 1476 w
(the) 3745 1476 w
(restart) 3896 1476 w
(markers) 4174 1476 w
(occupy) 4524 1476 w
(extra) 4841 1476 w
(space.) 720 1596 w
(We) 1025 1596 w
(recommend) 1197 1596 w
10 /Times-Bold f
(\255restart=1) 1702 1596 w
10 /Times-Roman f
(for) 2163 1596 w
(images) 2313 1596 w
(that) 2630 1596 w
(will) 2815 1596 w
(be) 3006 1596 w
(transmitted) 3135 1596 w
(across) 3620 1596 w
(unreliable) 3904 1596 w
(networks) 4338 1596 w
(such) 4739 1596 w
(as) 4957 1596 w
(Usenet.) 720 1716 w
(The) 720 1872 w
10 /Times-Bold f
(\255smooth) 912 1872 w
10 /Times-Roman f
(option) 1294 1872 w
(filters) 1588 1872 w
(the) 1859 1872 w
(input) 2019 1872 w
(to) 2263 1872 w
(eliminate) 2379 1872 w
(fine\255scale) 2789 1872 w
(noise.) 3214 1872 w
(This) 3513 1872 w
(is) 3729 1872 w
(often) 3834 1872 w
(useful) 4077 1872 w
(when) 4359 1872 w
(converting) 4613 1872 w
(dithered) 720 1992 w
(images) 1076 1992 w
(to) 1388 1992 w
(JFIF:) 1495 1992 w
(a) 1736 1992 w
(moderate) 1809 1992 w
(smoothing) 2209 1992 w
(factor) 2661 1992 w
(of) 2922 1992 w
(10) 3034 1992 w
(to) 3163 1992 w
(50) 3270 1992 w
(gets) 3399 1992 w
(rid) 3589 1992 w
(of) 3729 1992 w
(dithering) 3841 1992 w
(patterns) 4231 1992 w
(in) 4576 1992 w
(the) 4683 1992 w
(input) 4834 1992 w
(file,) 720 2112 w
(resulting) 909 2112 w
(in) 1291 2112 w
(a) 1401 2112 w
(smaller) 1477 2112 w
(JFIF) 1803 2112 w
(file) 2019 2112 w
(and) 2184 2112 w
(a) 2360 2112 w
(better\255looking) 2436 2112 w
(image.) 3034 2112 w
(Too) 3360 2112 w
(large) 3553 2112 w
(a) 3784 2112 w
(smoothing) 3860 2112 w
(factor) 4315 2112 w
(will) 4579 2112 w
(visibly) 4767 2112 w
(blur the image, however.) 720 2232 w
(Options for wizards:) 720 2388 w
10 /Times-Bold f
(\255baseline) 970 2544 w
10 /Times-Roman f
(Force) 1348 2544 w
(baseline\255compatible) 1616 2544 w
(quantization) 2461 2544 w
(tables) 2996 2544 w
(to) 3270 2544 w
(be) 3389 2544 w
(generated.) 3524 2544 w
(This) 4002 2544 w
(clamps) 4221 2544 w
(quantization) 4546 2544 w
(values) 1220 2664 w
(to) 1510 2664 w
(8) 1623 2664 w
(bits) 1708 2664 w
(even) 1888 2664 w
(at) 2111 2664 w
(low) 2218 2664 w
(quality) 2403 2664 w
(settings.) 2715 2664 w
(\(This) 3105 2664 w
(switch) 3350 2664 w
(is) 3645 2664 w
(poorly) 3746 2664 w
(named,) 4041 2664 w
(since) 4366 2664 w
(it) 4605 2664 w
(does) 4695 2664 w
(not) 4912 2664 w
(ensure that the output is actually baseline JPEG.) 1220 2784 w
(For) 3197 2784 w
(example,) 3362 2784 w
(you) 3751 2784 w
(can) 3927 2784 w
(use) 4091 2784 w
10 /Times-Bold f
(\255baseline) 4250 2784 w
10 /Times-Roman f
(and) 4654 2784 w
10 /Times-Bold f
(\255pro\255) 4824 2784 w
(gressive) 1220 2904 w
10 /Times-Roman f
(together.\)) 1583 2904 w
10 /Times-Bold f
(\255qtables=) 970 3060 w
10 /Times-Italic f
(filespec) 1366 3060 w
10 /Times-Roman f
(Use the quantization tables given in the specified text file.) 1671 3060 w
10 /Times-Bold f
(\255qslots=n[,...]) 970 3216 w
10 /Times-Roman f
(Select which quantization table to use for each color component.) 1527 3216 w
10 /Times-Bold f
(\255sample=) 970 3372 w
10 /Times-Italic f
(H) 1360 3372 w
10 /Times-Bold f
(x) 1432 3372 w
10 /Times-Italic f
(V) 1482 3372 w
10 /Times-Roman f
([,...]Set JPEG sampling factors for each color component.) 1543 3372 w
10 /Times-Bold f
(\255scans=) 970 3528 w
10 /Times-Italic f
(filespec) 1288 3528 w
10 /Times-Roman f
(Use) 1593 3528 w
(the) 1774 3528 w
(scan) 1922 3528 w
(script) 2126 3528 w
(given) 2375 3528 w
(in) 2624 3528 w
(the) 2729 3528 w
(specified) 2878 3528 w
(text) 3265 3528 w
(file.) 3442 3528 w
(See) 3652 3528 w
(below) 3823 3528 w
(for) 4094 3528 w
(information) 4237 3528 w
(on) 4736 3528 w
(scan) 4863 3528 w
(scripts.) 1220 3648 w
10 /Times-Bold f
(\255tracelevel=) 970 3804 w
10 /Times-Italic f
(N) 1469 3804 w
10 /Times-Roman f
(This) 1536 3804 w
(sets) 1743 3804 w
(the) 1922 3804 w
(level) 2073 3804 w
(of) 2296 3804 w
(debug) 2408 3804 w
(tracing) 2681 3804 w
(the) 2987 3804 w
(program) 3138 3804 w
(outputs) 3506 3804 w
(as) 3831 3804 w
(it) 3944 3804 w
(runs.) 4030 3804 w
(0) 4282 3804 w
(means) 4362 3804 w
(none,) 4647 3804 w
(and) 4896 3804 w
(is) 1220 3924 w
(the) 1317 3924 w
(default.) 1469 3924 w
(This) 1826 3924 w
(level) 2034 3924 w
(primarily) 2258 3924 w
(controls) 2660 3924 w
(tracing) 3012 3924 w
(of) 3319 3924 w
(the) 3431 3924 w
(JPEG) 3582 3924 w
(library,) 3839 3924 w
(and) 4159 3924 w
(you) 4332 3924 w
(can) 4511 3924 w
(get) 4678 3924 w
(some) 4829 3924 w
(pretty interesting information about the compression process.) 1220 4044 w
(The) 720 4200 w
("wizard") 904 4200 w
(options) 1286 4200 w
(are) 1610 4200 w
(intended) 1760 4200 w
(for) 2133 4200 w
(experimentation) 2278 4200 w
(with) 2956 4200 w
(JPEG.) 3163 4200 w
(If) 3470 4200 w
(you) 3565 4200 w
(don't) 3744 4200 w
(know) 3984 4200 w
(what) 4235 4200 w
(you) 4458 4200 w
(are) 4637 4200 w
(doing,) 4787 4200 w
(don't) 720 4320 w
(use) 958 4320 w
(them.) 1118 4320 w
(These) 1395 4320 w
(switches) 1660 4320 w
(are) 2031 4320 w
(documented) 2179 4320 w
(further) 2694 4320 w
(in) 2992 4320 w
(the) 3097 4320 w
(file) 3246 4320 w
(wizard.doc) 3406 4320 w
(that) 3873 4320 w
(comes) 4050 4320 w
(with) 4332 4320 w
(the) 4537 4320 w
(Indepen\255) 4686 4320 w
(dent JPEG Group's JPEG library.) 720 4440 w
10 /Times-Bold f
(EXAMPLES) 720 4680 w
10 /Times-Roman f
(This example compresses the PPM file foo.ppm with a quality factor of 60 and saves the output as foo.jpg:) 720 4872 w
10 /Times-Bold f
(pnmtojpeg \255quality=60 foo.ppm ) 820 5052 w
10 /S f
(>) 2200 5052 w
10 /Times-Bold f
(foo.jpg) 2280 5052 w
10 /Times-Roman f
(Here's a more typical example.) 720 5268 w
(It converts from BMP to JFIF:) 2019 5268 w
10 /Times-Bold f
(cat foo.bmp ) 820 5448 w
10 /S f
(\357) 1350 5448 w
10 /Times-Bold f
(bmptoppm ) 1424 5448 w
10 /S f
(\357) 1922 5448 w
10 /Times-Bold f
(pnmtojpeg ) 1996 5448 w
10 /S f
(>) 2482 5448 w
10 /Times-Bold f
(foo.jpg) 2562 5448 w
(JPEG Loss) 720 5748 w
10 /Times-Roman f
(When) 720 5940 w
(you) 987 5940 w
(compress) 1166 5940 w
(with) 1572 5940 w
(JPEG,) 1779 5940 w
(you) 2061 5940 w
(lose) 2240 5940 w
(information) 2430 5940 w
(\255\255) 2931 5940 w
(i.e.) 3026 5940 w
(the) 3177 5940 w
(resulting) 3328 5940 w
(image) 3707 5940 w
(has) 3980 5940 w
(somewhat) 4143 5940 w
(lower) 4578 5940 w
(qual\255) 4835 5940 w
(ity) 720 6060 w
(than) 859 6060 w
(the) 1064 6060 w
(original.) 1219 6060 w
(This) 1613 6060 w
(is) 1824 6060 w
(a) 1924 6060 w
(characteristic) 2001 6060 w
(of) 2565 6060 w
(JPEG) 2681 6060 w
(itself,) 2942 6060 w
(not) 3200 6060 w
(any) 3361 6060 w
(particular) 3538 6060 w
(program.) 3953 6060 w
(So) 4373 6060 w
(if) 4511 6060 w
(you) 4604 6060 w
(do) 4786 6060 w
(the) 4918 6060 w
(usual) 720 6180 w
(Netpbm) 963 6180 w
(thing) 1317 6180 w
(and) 1555 6180 w
(convert) 1732 6180 w
(from) 2064 6180 w
(JFIF) 2291 6180 w
(to) 2508 6180 w
(PNM,) 2619 6180 w
(manipulate,) 2894 6180 w
(then) 3396 6180 w
(convert) 3601 6180 w
(back) 3933 6180 w
(to) 4154 6180 w
(JFIF,) 4265 6180 w
(you) 4507 6180 w
(will) 4690 6180 w
(lose) 4879 6180 w
(quality.) 720 6300 w
(The) 1079 6300 w
(more) 1265 6300 w
(you) 1501 6300 w
(do) 1682 6300 w
(it,) 1813 6300 w
(the) 1925 6300 w
(more) 2078 6300 w
(you) 2314 6300 w
(lose.) 2495 6300 w
(Drawings) 2737 6300 w
(\(charts,) 3155 6300 w
(cartoons,) 3481 6300 w
(line) 3874 6300 w
(drawings,) 4054 6300 w
(and) 4475 6300 w
(such) 4649 6300 w
(with) 4862 6300 w
(few colors and sharp edges\) suffer the most.) 720 6420 w
(To) 720 6576 w
(avoid) 867 6576 w
(this,) 1125 6576 w
(you) 1331 6576 w
(can) 1517 6576 w
(use) 1691 6576 w
(a) 1860 6576 w
(compressed) 1941 6576 w
(image) 2449 6576 w
(format) 2730 6576 w
(other) 3033 6576 w
(than) 3275 6576 w
(JPEG.) 3484 6576 w
(PNG) 3799 6576 w
(and) 4036 6576 w
(JPEG2000) 4217 6576 w
(are) 4682 6576 w
(good) 4840 6576 w
(choices, and Netpbm contains converters for those.) 720 6696 w
(If) 720 6852 w
(you) 825 6852 w
(need) 1014 6852 w
(to) 1241 6852 w
(use) 1358 6852 w
(JFIF) 1530 6852 w
(on) 1753 6852 w
(a) 1892 6852 w
(drawing,) 1975 6852 w
(you) 2366 6852 w
(should) 2555 6852 w
(experiment) 2861 6852 w
(with) 3349 6852 w
10 /Times-Bold f
(pnmtojpeg) 3566 6852 w
10 /Times-Roman f
('s) 4027 6852 w
10 /Times-Bold f
(\255quality) 4138 6852 w
10 /Times-Roman f
(and) 4512 6852 w
10 /Times-Bold f
(\255smooth) 4696 6852 w
10 /Times-Roman f
(options to get a satisfactory conversion.) 720 6972 w
10 /Times-Bold f
(\255smooth 10) 2357 6972 w
10 /Times-Roman f
(or so is often helpful.) 2851 6972 w
(Because) 720 7128 w
(of) 1081 7128 w
(the) 1193 7128 w
(loss,) 1344 7128 w
(you) 1554 7128 w
(should) 1733 7128 w
(do) 2029 7128 w
(all) 2158 7128 w
(the) 2288 7128 w
(manipulation) 2440 7128 w
(you) 2998 7128 w
(have) 3178 7128 w
(to) 3396 7128 w
(do) 3504 7128 w
(on) 3634 7128 w
(the) 3764 7128 w
(image) 3916 7128 w
(in) 4190 7128 w
(some) 4298 7128 w
(other) 4539 7128 w
(format) 4774 7128 w
(and) 720 7248 w
(convert) 893 7248 w
(to) 1221 7248 w
(JFIF) 1328 7248 w
(as) 1541 7248 w
(the) 1653 7248 w
(last) 1804 7248 w
(step.) 1972 7248 w
(And) 2212 7248 w
(if) 2413 7248 w
(you) 2503 7248 w
(can) 2681 7248 w
(keep) 2847 7248 w
(a) 3063 7248 w
(copy) 3135 7248 w
(in) 3357 7248 w
(the) 3463 7248 w
(original) 3613 7248 w
(format,) 3952 7248 w
(so) 4271 7248 w
(much) 4388 7248 w
(the) 4638 7248 w
(better.) 4788 7248 w
cleartomark
showpage
saveobj restore
%%EndPage: 4 4
%%Page: 5 5
/saveobj save def
mark
5 pagesetup
10 /Times-Roman f
(\255 5 \255) 2797 480 w
(The) 720 840 w
10 /Times-Bold f
(\255optimize) 908 840 w
10 /Times-Roman f
(option) 1340 840 w
(to) 1629 840 w
10 /Times-Bold f
(pnmtojpeg) 1740 840 w
10 /Times-Roman f
(is) 2234 840 w
(worth) 2334 840 w
(using) 2600 840 w
(when) 2850 840 w
(you) 3100 840 w
(are) 3284 840 w
(making) 3439 840 w
(a) 3773 840 w
("final") 3851 840 w
(version) 4150 840 w
(for) 4478 840 w
(posting) 4628 840 w
(or) 4957 840 w
(archiving.) 720 960 w
(It's) 1180 960 w
(also) 1346 960 w
(a) 1540 960 w
(win) 1617 960 w
(when) 1800 960 w
(you) 2048 960 w
(are) 2230 960 w
(using) 2383 960 w
(low) 2632 960 w
(quality) 2814 960 w
(settings) 3124 960 w
(to) 3462 960 w
(make) 3572 960 w
(very) 3820 960 w
(small) 4029 960 w
(JFIF) 4278 960 w
(files;) 4494 960 w
(the) 4726 960 w
(per\255) 4880 960 w
(centage) 720 1080 w
(improvement) 1051 1080 w
(is) 1611 1080 w
(often) 1705 1080 w
(a) 1937 1080 w
(lot) 2008 1080 w
(more) 2141 1080 w
(than) 2373 1080 w
(it) 2572 1080 w
(is) 2655 1080 w
(on) 2749 1080 w
(larger) 2876 1080 w
(files.) 3135 1080 w
(\(At) 3384 1080 w
(present,) 3544 1080 w
10 /Times-Bold f
(\255optimize) 3885 1080 w
10 /Times-Roman f
(mode) 4312 1080 w
(is) 4562 1080 w
(automati\255) 4657 1080 w
(cally in effect when you generate a progressive JPEG file\).) 720 1200 w
(You) 720 1356 w
(can) 921 1356 w
(do) 1088 1356 w
(flipping) 1217 1356 w
(and) 1563 1356 w
(rotating) 1736 1356 w
(transformations) 2076 1356 w
(losslessly) 2732 1356 w
(with) 3145 1356 w
(the) 3352 1356 w
(program) 3504 1356 w
10 /Times-Bold f
(jpegtran) 3872 1356 w
10 /Times-Roman f
(,) 4238 1356 w
(which) 4293 1356 w
(is) 4567 1356 w
(packaged) 4664 1356 w
(with) 720 1476 w
(the) 935 1476 w
(Independent) 1094 1476 w
(Jpeg) 1624 1476 w
(Group's) 1844 1476 w
(JPEG) 2208 1476 w
(library.) 2473 1476 w
10 /Times-Bold f
(jpegtran) 2825 1476 w
10 /Times-Roman f
(exercises) 3227 1476 w
(its) 3628 1476 w
(intimate) 3759 1476 w
(knowledge) 4123 1476 w
(of) 4597 1476 w
(the) 4716 1476 w
(way) 4874 1476 w
(JPEG works to do the transformation without ever actually decompressing the image.) 720 1596 w
(Another) 720 1908 w
(program,) 1084 1908 w
10 /Times-Bold f
(cjpeg) 1484 1908 w
10 /Times-Roman f
(,) 1711 1908 w
(is) 1773 1908 w
(similar.) 1877 1908 w
10 /Times-Bold f
(cjpeg) 2242 1908 w
10 /Times-Roman f
(is) 2507 1908 w
(maintained) 2612 1908 w
(by) 3094 1908 w
(the) 3232 1908 w
(Independent) 3392 1908 w
(JPEG) 3923 1908 w
(Group) 4189 1908 w
(and) 4482 1908 w
(packaged) 4664 1908 w
(with) 720 2028 w
(the) 927 2028 w
(JPEG) 1078 2028 w
(library) 1335 2028 w
(which) 1630 2028 w
10 /Times-Bold f
(pnmtojpeg) 1903 2028 w
10 /Times-Roman f
(uses) 2393 2028 w
(for) 2594 2028 w
(all) 2739 2028 w
(its) 2868 2028 w
(JPEG) 2992 2028 w
(work.) 3249 2028 w
(Because) 3533 2028 w
(of) 3894 2028 w
(that,) 4006 2028 w
(you) 4210 2028 w
(may) 4389 2028 w
(expect) 4590 2028 w
(it) 4878 2028 w
(to) 4962 2028 w
(exploit) 720 2148 w
(more) 1033 2148 w
(current) 1273 2148 w
(JPEG) 1590 2148 w
(features.) 1853 2148 w
(Also,) 2253 2148 w
(since) 2502 2148 w
(you) 2742 2148 w
(have) 2927 2148 w
(to) 3150 2148 w
(have) 3263 2148 w
(the) 3486 2148 w
(library) 3643 2148 w
(to) 3944 2148 w
(run) 4057 2148 w
10 /Times-Bold f
(pnmtojpeg) 4226 2148 w
10 /Times-Roman f
(,) 4687 2148 w
(but) 4748 2148 w
(not) 4912 2148 w
(vice versa,) 720 2268 w
10 /Times-Bold f
(cjpeg) 1171 2268 w
10 /Times-Roman f
(may be more commonly available.) 1423 2268 w
(On) 720 2424 w
(the) 874 2424 w
(other) 1028 2424 w
(hand,) 1265 2424 w
10 /Times-Bold f
(cjpeg) 1516 2424 w
10 /Times-Roman f
(does) 1775 2424 w
(not) 1990 2424 w
(use) 2150 2424 w
(the) 2315 2424 w
(NetPBM) 2469 2424 w
(libraries) 2857 2424 w
(to) 3217 2424 w
(process) 3328 2424 w
(its) 3660 2424 w
(input,) 3788 2424 w
(as) 4052 2424 w
(all) 4168 2424 w
(the) 4301 2424 w
(NetPBM) 4456 2424 w
(tools) 4845 2424 w
(such) 720 2544 w
(as) 937 2544 w
10 /Times-Bold f
(pnmtojpeg) 1054 2544 w
10 /Times-Roman f
(do.) 1549 2544 w
(This) 1733 2544 w
(means) 1945 2544 w
(it) 2234 2544 w
(is) 2324 2544 w
(less) 2425 2544 w
(likely) 2609 2544 w
(to) 2871 2544 w
(be) 2983 2544 w
(consistent) 3111 2544 w
(with) 3544 2544 w
(all) 3755 2544 w
(the) 3888 2544 w
(other) 4043 2544 w
(programs) 4281 2544 w
(that) 4691 2544 w
(deal) 4874 2544 w
(with) 720 2664 w
(the) 933 2664 w
(NetPBM) 1090 2664 w
(formats.) 1481 2664 w
(Also,) 1871 2664 w
(the) 2120 2664 w
(command) 2277 2664 w
(syntax) 2706 2664 w
(of) 3003 2664 w
10 /Times-Bold f
(pnmtojpeg) 3122 2664 w
10 /Times-Roman f
(is) 3619 2664 w
(consistent) 3722 2664 w
(with) 4158 2664 w
(that) 4372 2664 w
(of) 4558 2664 w
(the) 4677 2664 w
(other) 4835 2664 w
(Netpbm tools, unlike) 720 2784 w
10 /Times-Bold f
(cjpeg) 1587 2784 w
10 /Times-Roman f
(.) 1814 2784 w
10 /Times-Bold f
(SCAN SCRIPTS) 720 3024 w
10 /Times-Roman f
(Use) 720 3216 w
(the) 901 3216 w
10 /Times-Bold f
(\255scan) 1049 3216 w
10 /Times-Roman f
(option) 1297 3216 w
(to) 1579 3216 w
(specify) 1684 3216 w
(a) 1999 3216 w
(scan) 2070 3216 w
(script.) 2274 3216 w
(Or) 2573 3216 w
(use) 2705 3216 w
(the) 2865 3216 w
10 /Times-Bold f
(\255progressive) 3014 3216 w
10 /Times-Roman f
(option) 3562 3216 w
(to) 3845 3216 w
(specify) 3950 3216 w
(a) 4265 3216 w
(particular) 4336 3216 w
(built\255in) 4745 3216 w
(scan script.) 720 3336 w
(Just) 720 3492 w
(what) 904 3492 w
(a) 1126 3492 w
(scan) 1198 3492 w
(script) 1403 3492 w
(is,) 1653 3492 w
(and) 1773 3492 w
(the) 1945 3492 w
(basic) 2096 3492 w
(format) 2330 3492 w
(of) 2625 3492 w
(the) 2737 3492 w
(scan) 2888 3492 w
(script) 3094 3492 w
(file,) 3345 3492 w
(is) 3532 3492 w
(covered) 3628 3492 w
(in) 3972 3492 w
(the) 4079 3492 w
10 /Times-Bold f
(wizard.doc) 4230 3492 w
10 /Times-Roman f
(file) 4728 3492 w
(that) 4890 3492 w
(comes) 720 3612 w
(with) 1006 3612 w
(the) 1215 3612 w
(Independent) 1368 3612 w
(JPEG) 1892 3612 w
(Group's) 2151 3612 w
(JPEG) 2509 3612 w
(library.) 2768 3612 w
(Scan) 3115 3612 w
(scripts) 3340 3612 w
(are) 3631 3612 w
(same) 3782 3612 w
(for) 4017 3612 w
10 /Times-Bold f
(pnmtojpeg) 4163 3612 w
10 /Times-Roman f
(as) 4654 3612 w
(the) 4767 3612 w
(are) 4919 3612 w
(for) 720 3732 w
10 /Times-Bold f
(cjpeg) 861 3732 w
10 /Times-Roman f
(.) 1088 3732 w
(This section contains additional information that isn't, but probably should be, in that document.) 720 3888 w
(First,) 720 4044 w
(there) 964 4044 w
(are) 1198 4044 w
(many) 1354 4044 w
(restrictions) 1611 4044 w
(on) 2090 4044 w
(what) 2225 4044 w
(is) 2454 4044 w
(a) 2556 4044 w
(valid) 2635 4044 w
(scan) 2870 4044 w
(script.) 3082 4044 w
(The) 3389 4044 w
(JPEG) 3580 4044 w
(library,) 3844 4044 w
(and) 4171 4044 w
(thus) 4351 4044 w
10 /Times-Bold f
(pnmtojpeg) 4554 4044 w
10 /Times-Roman f
(,) 5015 4044 w
(checks) 720 4164 w
(thoroughly) 1029 4164 w
(for) 1506 4164 w
(any) 1660 4164 w
(lack) 1842 4164 w
(of) 2046 4164 w
(compliance) 2167 4164 w
(with) 2665 4164 w
(these) 2881 4164 w
(restrictions,) 3124 4164 w
(but) 3631 4164 w
(does) 3797 4164 w
(little) 4018 4164 w
(to) 4240 4164 w
(tell) 4356 4164 w
(you) 4522 4164 w
(how) 4709 4164 w
(the) 4918 4164 w
(script fails to comply.) 720 4284 w
(The messages are very general and sometimes untrue.) 1642 4284 w
(To) 720 4440 w
(start) 859 4440 w
(with,) 1060 4440 w
(the) 1292 4440 w
(entries) 1443 4440 w
(for) 1738 4440 w
(the) 1883 4440 w
(DC) 2034 4440 w
(coefficient) 2202 4440 w
(must) 2657 4440 w
(come) 2881 4440 w
(before) 3126 4440 w
(any) 3409 4440 w
(entries) 3582 4440 w
(for) 3877 4440 w
(the) 4022 4440 w
(AC) 4173 4440 w
(coefficients.) 4341 4440 w
(The) 4885 4440 w
(DC) 720 4560 w
(coefficient) 895 4560 w
(is) 1357 4560 w
(Coefficient) 1460 4560 w
(0;) 1945 4560 w
(all) 2058 4560 w
(the) 2193 4560 w
(other) 2350 4560 w
(coefficients) 2590 4560 w
(are) 3090 4560 w
(AC) 3246 4560 w
(coefficients.) 3420 4560 w
(So) 3970 4560 w
(in) 4111 4560 w
(an) 4224 4560 w
(entry) 4353 4560 w
(for) 4593 4560 w
(the) 4744 4560 w
(DC) 4901 4560 w
(coefficient,) 720 4680 w
(the) 1197 4680 w
(two) 1345 4680 w
(numbers) 1521 4680 w
(after) 1891 4680 w
(the) 2099 4680 w
(colon) 2247 4680 w
(must) 2495 4680 w
(be) 2716 4680 w
(0) 2836 4680 w
(and) 2912 4680 w
(0.) 3082 4680 w
(In) 3208 4680 w
(an) 3317 4680 w
(entry) 3437 4680 w
(for) 3668 4680 w
(AC) 3810 4680 w
(coefficients,) 3975 4680 w
(the) 4492 4680 w
(first) 4641 4680 w
(num\255) 4829 4680 w
(ber after the colon must not be 0.) 720 4800 w
(In) 720 4956 w
(a) 835 4956 w
(DC) 911 4956 w
(entry,) 1082 4956 w
(the) 1344 4956 w
(color) 1498 4956 w
(components) 1736 4956 w
(must) 2252 4956 w
(be) 2480 4956 w
(in) 2607 4956 w
(increasing) 2718 4956 w
(order.) 3161 4956 w
(E.g.) 3454 4956 w
("0,2,1") 3648 4956 w
(before) 3963 4956 w
(the) 4250 4956 w
(colon) 4405 4956 w
(is) 4660 4956 w
(wrong.) 4760 4956 w
(So is "0,0,0".) 720 5076 w
(In) 720 5232 w
(an) 838 5232 w
(entry) 967 5232 w
(for) 1207 5232 w
(an) 1358 5232 w
(AC) 1487 5232 w
(coeffient,) 1661 5232 w
(you) 2075 5232 w
(must) 2260 5232 w
(specify) 2491 5232 w
(only) 2815 5232 w
(one) 3029 5232 w
(color) 3209 5232 w
(component.) 3450 5232 w
(I.e.) 3980 5232 w
(there) 4143 5232 w
(can) 4378 5232 w
(be) 4552 5232 w
(only) 4682 5232 w
(one) 4896 5232 w
(number before the colon.) 720 5352 w
(In) 720 5508 w
(the) 832 5508 w
(first) 983 5508 w
(entry) 1174 5508 w
(for) 1409 5508 w
(a) 1555 5508 w
(particular) 1629 5508 w
(coefficient) 2041 5508 w
(for) 2497 5508 w
(a) 2643 5508 w
(particular) 2717 5508 w
(color) 3129 5508 w
(component,) 3364 5508 w
(the) 3863 5508 w
("Ah") 4015 5508 w
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