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%%Version: 0.1
%%DocumentFonts: (atend)
%%Pages: (atend)
%%EndComments
%
% Version 3.3.2 prologue for troff files.
%

/#copies 1 store
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/formsperpage 1 def
/landscape false def
/linewidth .3 def
/magnification 1 def
/margin 0 def
/orientation 0 def
/resolution 720 def
/rotation 1 def
/xoffset 0 def
/yoffset 0 def

/roundpage true def
/useclippath true def
/pagebbox [0 0 612 792] def

/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
/Hb /Helvetica-Narrow-Bold def
/Hx /Helvetica-Narrow-BoldOblique def
/KR /Bookman-Light def
/KI /Bookman-LightItalic def
/KB /Bookman-Demi def
/KX /Bookman-DemiItalic def
/AR /AvantGarde-Book def
/AI /AvantGarde-BookOblique def
/AB /AvantGarde-Demi def
/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 {
	counttomark 2 idiv {def} repeat pop

	landscape {/orientation 90 orientation add def} if
	/scaling 72 resolution div def
	linewidth setlinewidth
	1 setlinecap

	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
	magnification dup aspectratio mul scale
	scaling scaling scale

	addmetrics
	0 0 moveto
} def

/pagedimensions {
	useclippath userdict /gotpagebbox known not and {
		/pagebbox [clippath pathbbox newpath] def
		roundpage currentdict /roundpagebbox known and {roundpagebbox} if
	} if
	pagebbox aload pop
	4 -1 roll exch 4 1 roll 4 copy
	landscape {4 2 roll} if
	sub /width exch def
	sub /height exch def
	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
} def

/pagesetup {
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	} if
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/decodingdefs [
	{counttomark 2 idiv {y moveto show} repeat}
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	{neg moveto {2 index stringwidth pop sub exch div 0 32 4 -1 roll widthshow} repeat}
	{neg moveto {spacewidth sub 0.0 32 4 -1 roll widthshow} repeat}
	{counttomark 2 idiv {y moveto show} repeat}
	{neg setfunnytext}
] def

/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 {
	dup length 2 idiv
	/entries exch def
	/chtab exch def
	/newencoding exch def
	/newfont exch def

	findfont dup length 1 add dict
	/newdict exch def
	{1 index /FID ne {newdict 3 1 roll put}{pop pop} ifelse} forall

	newencoding type /arraytype eq {newdict /Encoding newencoding put} if

	newdict /Metrics entries dict put
	newdict /Metrics get
	begin
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		1 1 entries {pop def} for
		newfont newdict definefont pop
	end
} bind def

%
% 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 {
		/val exch def
		/slop .5 inch def
		/diff slop def
		/j 0 def
		0 1 papersizes length 1 sub {
			/i exch def
			papersizes i get val sub abs
			dup diff le {/diff exch def /j i def} {pop} ifelse
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		diff slop lt {papersizes j get} {val} ifelse
	} def

	pagebbox 0 0 put
	pagebbox 1 0 put
	pagebbox dup 2 get mappapersize 2 exch put
	pagebbox dup 3 get mappapersize 3 exch put
    end
} 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
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.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
mark
1 pagesetup
12 /Times-Bold f
(Ppmntsc) 2306 1230 w
(User) 2783 1230 w
(Manual) 3052 1230 w
10 /Times-Bold f
(ppmntsc) 720 1920 w
10 /Times-Roman f
(Updated: April 19, 2000) 720 2076 w
(Table Of Contents) 720 2196 w
10 /Times-Bold f
(NAME) 720 2436 w
10 /Times-Roman f
(ppmntsc \255 Make RGB colors legal for NTSC or PAL color systems.) 720 2592 w
10 /Times-Bold f
(SYNOPSIS) 720 2832 w
(ppmntsc) 720 2988 w
10 /Times-Roman f
([) 1112 2988 w
10 /Times-Bold f
(\255\255pal) 1145 2988 w
10 /Times-Roman f
(] [) 1345 2988 w
10 /Times-Bold f
(\255\255legalonly) 1436 2988 w
10 /Times-Roman f
(] [) 1886 2988 w
10 /Times-Bold f
(\255\255illegalonly) 1977 2988 w
10 /Times-Roman f
(] [) 2483 2988 w
10 /Times-Bold f
(\255\255correctedonly) 2574 2988 w
10 /Times-Roman f
(] [) 3227 2988 w
10 /Times-Bold f
(\255\255verbose) 3318 2988 w
10 /Times-Roman f
(] [) 3711 2988 w
10 /Times-Bold f
(\255\255debug) 3802 2988 w
10 /Times-Roman f
(] [) 4130 2988 w
10 /Times-Italic f
(infile) 4221 2988 w
10 /Times-Roman f
(]) 4427 2988 w
(Minimum unique abbreviations of options are acceptable.) 720 3144 w
10 /Times-Bold f
(DESCRIPTION) 720 3384 w
10 /Times-Roman f
(This program is part of Netpbm.) 720 3576 w
(This) 720 3732 w
(program) 935 3732 w
(makes) 1310 3732 w
(colors) 1602 3732 w
(legal) 1883 3732 w
(in) 2114 3732 w
(the) 2229 3732 w
(NTSC) 2388 3732 w
(\(or) 2682 3732 w
(PAL\)) 2836 3732 w
(color) 3096 3732 w
(systems.) 3339 3732 w
(Often,) 3744 3732 w
(images) 4034 3732 w
(generated) 4355 3732 w
(on) 4780 3732 w
(the) 4918 3732 w
(computer) 720 3852 w
(are) 1125 3852 w
(made) 1274 3852 w
(for) 1518 3852 w
(use) 1662 3852 w
(in) 1823 3852 w
(movies) 1929 3852 w
(which) 2246 3852 w
(ultimately) 2518 3852 w
(end) 2952 3852 w
(up) 3124 3852 w
(on) 3252 3852 w
(video) 3380 3852 w
(tape.) 3629 3852 w
(However,) 3872 3852 w
(the) 4289 3852 w
(range) 4438 3852 w
(of) 4686 3852 w
(colors) 4796 3852 w
(\(as specified by their RGB values\) on a computer does not match the range of) 720 3972 w
(colors) 3851 3972 w
(that) 4121 3972 w
(can) 4297 3972 w
(be) 4461 3972 w
(represented) 4581 3972 w
(using) 720 4092 w
(the) 967 4092 w
(NTSC) 1119 4092 w
(\(or) 1405 4092 w
(PAL\)) 1551 4092 w
(systems.) 1803 4092 w
(If) 2200 4092 w
(an) 2296 4092 w
(image) 2420 4092 w
(with) 2694 4092 w
("illegal") 2902 4092 w
(colors) 3264 4092 w
(is) 3538 4092 w
(sent) 3634 4092 w
(directly) 3824 4092 w
(to) 4158 4092 w
(an) 4265 4092 w
(NTSC) 4388 4092 w
(\(or) 4673 4092 w
(PAL\)) 4818 4092 w
(video) 720 4212 w
(system) 972 4212 w
(for) 1281 4212 w
(recording,) 1428 4212 w
(the) 1866 4212 w
("illegal") 2019 4212 w
(colors) 2382 4212 w
(will) 2657 4212 w
(be) 2844 4212 w
(clipped.) 2969 4212 w
(This) 3344 4212 w
(may) 3553 4212 w
(result) 3756 4212 w
(in) 4009 4212 w
(an) 4118 4212 w
(undesirable) 4243 4212 w
(looking) 4734 4212 w
(picture.) 720 4332 w
(This) 720 4488 w
(utility) 930 4488 w
(tests) 1202 4488 w
(each) 1412 4488 w
(pixel) 1626 4488 w
(in) 1858 4488 w
(an) 1968 4488 w
(image) 2095 4488 w
(to) 2372 4488 w
(see) 2483 4488 w
(if) 2643 4488 w
(it) 2737 4488 w
(falls) 2826 4488 w
(within) 3031 4488 w
(the) 3320 4488 w
(legal) 3475 4488 w
(NTSC) 3702 4488 w
(\(or) 3991 4488 w
(PAL\)) 4140 4488 w
(range.) 4395 4488 w
(If) 4699 4488 w
(not,) 4798 4488 w
(it) 4984 4488 w
(raises) 720 4608 w
(or) 981 4608 w
(lowers) 1098 4608 w
(the) 1398 4608 w
(pixel's) 1554 4608 w
(saturation) 1860 4608 w
(in) 2288 4608 w
(the) 2400 4608 w
(output) 2556 4608 w
(so) 2846 4608 w
(that) 2969 4608 w
(it) 3153 4608 w
(does) 3243 4608 w
(fall) 3460 4608 w
(within) 3627 4608 w
(legal) 3917 4608 w
(limits.) 4145 4608 w
(Pixels) 4458 4608 w
(that) 4736 4608 w
(are) 4919 4608 w
(already OK just go unmodified into the output.) 720 4728 w
(Input) 720 4884 w
(is) 963 4884 w
(from) 1062 4884 w
(the) 1288 4884 w
(file) 1442 4884 w
(named) 1607 4884 w
10 /Times-Italic f
(input) 1905 4884 w
10 /Times-Roman f
(.) 2111 4884 w
(If) 2193 4884 w
10 /Times-Italic f
(input) 2291 4884 w
10 /Times-Roman f
(is) 2529 4884 w
10 /Times-Bold f
(\255) 2628 4884 w
10 /Times-Roman f
(,) 2661 4884 w
(input) 2718 4884 w
(is) 2956 4884 w
(from) 3055 4884 w
(Standard) 3281 4884 w
(Input.) 3668 4884 w
(If) 3962 4884 w
(you) 4061 4884 w
(don't) 4244 4884 w
(specify) 4488 4884 w
10 /Times-Italic f
(input) 4809 4884 w
10 /Times-Roman f
(,) 5015 4884 w
(input is from Standard Input.) 720 5004 w
(Output is always to Standard Output.) 720 5160 w
(This program handles multi\255image PPM input, producing multi\255image PPM output.) 720 5316 w
10 /Times-Bold f
(OPTIONS) 720 5556 w
(\255\255pal) 970 5748 w
10 /Times-Roman f
(Use the PAL transform instead of the default NTSC.) 1220 5748 w
10 /Times-Bold f
(\255\255verbose) 970 5904 w
10 /Times-Roman f
(Print a grand total of the number of illegal pixels.) 1363 5904 w
10 /Times-Bold f
(\255\255debug) 970 6060 w
10 /Times-Roman f
(Produce) 1298 6060 w
(a) 1667 6060 w
(humongous) 1754 6060 w
(listing) 2264 6060 w
(of) 2558 6060 w
(illegal) 2684 6060 w
(colors) 2977 6060 w
(and) 3264 6060 w
(their) 3451 6060 w
(legal) 3677 6060 w
(counterparts.) 3914 6060 w
(NOTE:) 4500 6060 w
(This) 4862 6060 w
(option may produce a great deal of output.) 1220 6180 w
10 /Times-Bold f
(\255\255legalonly) 970 6336 w
10 /Times-Roman f
(Output only pixels that are already legal.) 1420 6336 w
(Output black in place of pixels that are not.) 3098 6336 w
10 /Times-Bold f
(\255\255illegalonly) 970 6492 w
10 /Times-Roman f
(Output) 1476 6492 w
(only) 1783 6492 w
(pixels) 1990 6492 w
(that) 2258 6492 w
(are) 2437 6492 w
(illegal) 2587 6492 w
(\(and) 2866 6492 w
(output) 3072 6492 w
(them) 3357 6492 w
(uncorrected\).) 3586 6492 w
(Output) 4168 6492 w
(black) 4476 6492 w
(in) 4722 6492 w
(place) 4830 6492 w
(of pixels that are already legal.) 1220 6612 w
10 /Times-Bold f
(\255\255correctedonly) 970 6768 w
10 /Times-Roman f
(Output) 1623 6768 w
(only) 1927 6768 w
(pixels) 2131 6768 w
(that) 2396 6768 w
(are) 2572 6768 w
(corrected) 2719 6768 w
(versions) 3115 6768 w
(of) 3474 6768 w
(illegal) 3584 6768 w
(pixels.) 3861 6768 w
(Output) 4177 6768 w
(black) 4482 6768 w
(in) 4725 6768 w
(place) 4830 6768 w
(of pixels that are already legal.) 1220 6888 w
cleartomark
showpage
saveobj restore
%%EndPage: 1 1
%%Page: 2 2
/saveobj save def
mark
2 pagesetup
10 /Times-Roman f
(\255 2 \255) 2797 480 w
10 /Times-Bold f
(SEE ALSO) 720 840 w
(pamdepth) 720 996 w
10 /Times-Roman f
(,) 1154 996 w
10 /Times-Bold f
(ppmdim) 1204 996 w
10 /Times-Roman f
(,) 1566 996 w
10 /Times-Bold f
(ppmbrighten) 1616 996 w
10 /Times-Roman f
(,) 2178 996 w
10 /Times-Bold f
(ppm) 2228 996 w
(AUTHOR) 720 1236 w
10 /Times-Roman f
(Wes Barris, Minnesota Supercomputer Center, Inc., Bryan Henderson) 720 1392 w
10 /S1 f
(________________________________________________________________________) 720 1512 w
10 /Times-Bold f
(Table Of Contents) 720 1752 w
10 /LucidaSansUnicode22 f
(\031) 720 1944 w
10 /Times-Roman f
(NAME) 970 1944 w
10 /LucidaSansUnicode22 f
(\031) 720 2100 w
10 /Times-Roman f
(SYNOPSIS) 970 2100 w
10 /LucidaSansUnicode22 f
(\031) 720 2256 w
10 /Times-Roman f
(DESCRIPTION) 970 2256 w
10 /LucidaSansUnicode22 f
(\031) 720 2412 w
10 /Times-Roman f
(OPTIONS) 970 2412 w
10 /LucidaSansUnicode22 f
(\031) 720 2568 w
10 /Times-Roman f
(SEE ALSO) 970 2568 w
10 /LucidaSansUnicode22 f
(\031) 720 2724 w
10 /Times-Roman f
(AUTHOR) 970 2724 w
cleartomark
showpage
saveobj restore
%%EndPage: 2 2
%%Trailer
done
%%DocumentFonts: Times-Roman LucidaSansUnicode22 Times-Italic Times-Bold S1
%%Pages: 2