%!PS-Adobe-2.0 %%Version: 0.1 %%DocumentFonts: (atend) %%Pages: (atend) %%EndComments % % Version 3.3.2 prologue for troff files. % /#copies 1 store /aspectratio 1 def /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 { /page exch def currentdict /pagedict known currentdict page known and { page load pagedict exch get cvx exec } if } def /decodingdefs [ {counttomark 2 idiv {y moveto show} repeat} {neg /y exch def counttomark 2 idiv {y moveto show} repeat} {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 chtab aload pop 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 } for 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 (Ppmchange) 2230 1230 w (User) 2860 1230 w (Manual) 3129 1230 w 10 /Times-Bold f (ppmchange) 720 1920 w 10 /Times-Roman f (Updated: September 2005) 720 2076 w (Table Of Contents) 720 2196 w 10 /Times-Bold f (NAME) 720 2436 w 10 /Times-Roman f (ppmchange \255 change all pixels of one color to another in a PPM image) 720 2592 w 10 /Times-Bold f (SYNOPSIS) 720 2832 w (ppmchange) 720 2988 w 10 /Times-Roman f ([) 1275 2988 w 10 /Times-Bold f (\255closeness=) 1308 2988 w 10 /Times-Italic f (closeness) 1781 2988 w 10 /S f (_) 2158 2988 w 10 /Times-Italic f (percent) 2208 2988 w 10 /Times-Roman f (]) 2507 2988 w ([) 2600 2988 w 10 /Times-Bold f (\255remainder=) 2633 2988 w 10 /Times-Italic f (remainder) 3172 2988 w 10 /S f (_) 3588 2988 w 10 /Times-Italic f (color) 3638 2988 w 10 /Times-Roman f (]) 3849 2988 w ([) 3942 2988 w 10 /Times-Bold f (\255closeok) 3975 2988 w 10 /Times-Roman f (]) 4319 2988 w ([) 4413 2988 w 10 /Times-Italic f (oldcolor) 4446 2988 w (new\255) 4846 2988 w (color) 720 3108 w 10 /Times-Roman f (] ...) 931 3108 w ([) 1114 3108 w 10 /Times-Italic f (ppmfile) 1147 3108 w 10 /Times-Roman f (]) 1447 3108 w 10 /Times-Bold f (EXAMPLES) 720 3348 w (ppmchange red blue redimage.ppm ) 720 3564 w 10 /S f (>) 2262 3564 w 10 /Times-Bold f (blueimage.ppm) 2317 3564 w (ppmchange red red \255remainder=black myimage.ppm ) 720 3684 w 10 /S f (>) 3009 3684 w 10 /Times-Bold f (redblack.ppm) 3064 3684 w (ppmchange \255closeness=90 white white black black) 720 3804 w (DESCRIPTION) 720 4104 w 10 /Times-Roman f (This program is part of Netpbm.) 720 4296 w 10 /Times-Bold f (ppmchange) 720 4452 w 10 /Times-Roman f (reads) 1249 4452 w (a) 1493 4452 w (PPM) 1571 4452 w (image) 1806 4452 w (as) 2084 4452 w (input) 2201 4452 w (and) 2441 4452 w (changes) 2619 4452 w (all) 2974 4452 w (pixels) 3108 4452 w (of) 3381 4452 w (colr) 3498 4452 w 10 /Times-Italic f (oldcolor) 3687 4452 w 10 /Times-Roman f (to) 4060 4452 w (color) 4172 4452 w 10 /Times-Italic f (newcolor) 4411 4452 w 10 /Times-Roman f (.) 4783 4452 w (You) 4868 4452 w (may) 720 4572 w (specify) 931 4572 w (up) 1258 4572 w (to) 1397 4572 w (256) 1514 4572 w (oldcolor/newcolor) 1702 4572 w (pairs) 2472 4572 w (on) 2704 4572 w (the) 2842 4572 w (command) 3002 4572 w (line.) 3434 4572 w 10 /Times-Bold f (ppmchange) 3672 4572 w 10 /Times-Roman f (leaves) 4205 4572 w (all) 4492 4572 w (colors) 4630 4572 w (not) 4912 4572 w (mentioned) 720 4692 w (unchanged,) 1170 4692 w (unless) 1655 4692 w (you) 1933 4692 w (specify) 2111 4692 w (the) 2427 4692 w 10 /Times-Bold f (\255remainder) 2577 4692 w 10 /Times-Roman f (option,) 3087 4692 w (in) 3396 4692 w (which) 3502 4692 w (case) 3774 4692 w (they) 3973 4692 w (are) 4173 4692 w (all) 4322 4692 w (changed) 4450 4692 w (to) 4811 4692 w (the) 4918 4692 w (single specified color.) 720 4812 w (You) 720 4968 w (can) 923 4968 w (specify) 1092 4968 w (that) 1411 4968 w (colors) 1592 4968 w (similar,) 1867 4968 w (but) 2201 4968 w (not) 2360 4968 w (identical,) 2519 4968 w (to) 2919 4968 w (the) 3028 4968 w (ones) 3181 4968 w (you) 3395 4968 w (specify) 3576 4968 w (get) 3895 4968 w (replaced) 4048 4968 w (by) 4416 4968 w (specifying) 4548 4968 w (a) 4996 4968 w ("closeness" factor.) 720 5088 w (Specify the colors as described for the argument of the) 720 5244 w 10 /Times-Bold f (ppm) 2926 5244 w 10 /S f (_) 3121 5244 w 10 /Times-Bold f (parsecolor\(\)) 3171 5244 w 10 /Times-Roman f (library routine.) 3711 5244 w (If) 720 5400 w (a) 815 5400 w (pixel) 888 5400 w (matches) 1117 5400 w (two) 1473 5400 w (different) 1652 5400 w 10 /Times-Italic f (oldcolor) 2024 5400 w 10 /Times-Roman f (s,) 2363 5400 w 10 /Times-Bold f (ppmchange) 2456 5400 w 10 /Times-Roman f (replaces) 2980 5400 w (it) 3335 5400 w (with) 3420 5400 w (the) 3627 5400 w 10 /Times-Italic f (newcolor) 3778 5400 w 10 /Times-Roman f (of) 4179 5400 w (the) 4292 5400 w (leftmost) 4444 5400 w (speci\255) 4802 5400 w (fied one.) 720 5520 w (The) 720 5676 w (maxval) 901 5676 w (of) 1221 5676 w (the) 1330 5676 w (output) 1478 5676 w (image) 1760 5676 w (is) 2030 5676 w (the) 2123 5676 w (same) 2271 5676 w (as) 2502 5676 w (that) 2611 5676 w (of) 2787 5676 w (the) 2896 5676 w (input) 3044 5676 w (image.) 3277 5676 w (If) 3598 5676 w (a) 3691 5676 w 10 /Times-Italic f (newcolor) 3762 5676 w 10 /Times-Roman f (you) 4161 5676 w (specify) 4338 5676 w (cannot) 4653 5676 w (be) 4946 5676 w (exactly) 720 5796 w (represented) 1044 5796 w (in) 1539 5796 w (that) 1653 5796 w (maxval,) 1839 5796 w 10 /Times-Bold f (ppmchange) 2194 5796 w 10 /Times-Roman f (assumes) 2725 5796 w (a) 3094 5796 w (color) 3174 5796 w (that) 3415 5796 w (is) 3601 5796 w (as) 3704 5796 w (close) 3823 5796 w (as) 4064 5796 w (possible) 4183 5796 w (to) 4547 5796 w (what) 4661 5796 w (you) 4890 5796 w (specified) 720 5916 w (but) 1114 5916 w (can) 1276 5916 w (be) 1448 5916 w (represented) 1576 5916 w (with) 2069 5916 w (your) 2281 5916 w (maxval.) 2499 5916 w (Unless) 2878 5916 w (you) 3185 5916 w (specify) 3370 5916 w (the) 3693 5916 w 10 /Times-Bold f (\255closeok) 3850 5916 w 10 /Times-Roman f (option,) 4229 5916 w 10 /Times-Bold f (ppmchange) 4545 5916 w 10 /Times-Roman f (issues a warning that it is using an approximation.) 720 6036 w (A) 720 6192 w (common) 820 6192 w (way) 1198 6192 w (that) 1392 6192 w (you) 1570 6192 w (can) 1748 6192 w (have) 1914 6192 w (this) 2130 6192 w (maxval) 2303 6192 w (problem,) 2625 6192 w (where) 3011 6192 w (the) 3282 6192 w (color) 3433 6192 w (you) 3667 6192 w (specify) 3846 6192 w (cannot) 4163 6192 w (be) 4458 6192 w (represented) 4581 6192 w (with) 720 6312 w (your) 924 6312 w (maxval,) 1133 6312 w (is) 1478 6312 w (that) 1571 6312 w (your) 1747 6312 w (input) 1956 6312 w (is) 2188 6312 w (a) 2281 6312 w (PBM) 2351 6312 w (\(black) 2589 6312 w (and) 2864 6312 w (white\)) 3034 6312 w (image) 3315 6312 w (that) 3585 6312 w (you) 3761 6312 w (are) 3937 6312 w (colorizing.) 4084 6312 w (The) 4565 6312 w (maxval) 4746 6312 w (in) 720 6432 w (this) 834 6432 w (case) 1016 6432 w (is) 1224 6432 w (1,) 1328 6432 w (which) 1440 6432 w (severely) 1721 6432 w (limits) 2090 6432 w (the) 2356 6432 w (colors) 2515 6432 w (to) 2796 6432 w (which) 2911 6432 w (you) 3192 6432 w (can) 3379 6432 w (change.) 3554 6432 w (To) 3923 6432 w (avoid) 4071 6432 w (this) 4330 6432 w (problem,) 4512 6432 w (use) 4907 6432 w 10 /Times-Bold f (pamdepth) 720 6552 w 10 /Times-Roman f (to) 1183 6552 w (make) 1290 6552 w (the) 1535 6552 w (maxval) 1686 6552 w (of) 2009 6552 w (your) 2121 6552 w (input) 2332 6552 w (something) 2566 6552 w (consistent) 3011 6552 w (with) 3439 6552 w (your) 3645 6552 w (colors.) 3856 6552 w (255) 4178 6552 w (is) 4356 6552 w (usually) 4451 6552 w (a) 4768 6552 w (good) 4840 6552 w (choice.) 720 6672 w (Before) 720 6828 w (Netpbm) 1018 6828 w (10.22) 1367 6828 w (\(April) 1619 6828 w (2004\),) 1891 6828 w 10 /Times-Bold f (ppmchange) 2177 6828 w 10 /Times-Roman f (always) 2700 6828 w (behaved) 3005 6828 w (as) 3365 6828 w (if) 3476 6828 w (the) 3565 6828 w (user) 3715 6828 w (specified) 3909 6828 w 10 /Times-Bold f (\255closeok) 4297 6828 w 10 /Times-Roman f (and) 4669 6828 w (there) 4841 6828 w (was no) 720 6948 w 10 /Times-Bold f (\255closeok) 1025 6948 w 10 /Times-Roman f (option.) 1394 6948 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 (OPTIONS) 720 840 w (\255closeness) 970 1032 w 10 /Times-Italic f (closeness) 1412 1032 w 10 /S f (_) 1789 1032 w 10 /Times-Italic f (percentcloseness) 1839 1032 w 10 /Times-Roman f (is) 2542 1032 w (an) 2636 1032 w (integer) 2757 1032 w (per) 3061 1032 w (centage) 3215 1032 w (indicating) 3546 1032 w (how) 3973 1032 w (close) 4172 1032 w (to) 4404 1032 w (the) 4509 1032 w (color) 4658 1032 w (you) 4890 1032 w (specified) 1220 1152 w (a) 1606 1152 w (pixel) 1676 1152 w (must) 1902 1152 w (be) 2123 1152 w (to) 2243 1152 w (get) 2347 1152 w (replaced.) 2495 1152 w (By) 2908 1152 w (default,) 3051 1152 w (it) 3379 1152 w (is) 3461 1152 w (0,) 3554 1152 w (which) 3655 1152 w (means) 3925 1152 w (the) 4206 1152 w (pixel must be the) 4354 1152 w (exact color you specified.) 1220 1272 w (A) 970 1428 w (pixel) 1077 1428 w (gets) 1312 1428 w (replaced) 1508 1428 w (if) 1880 1428 w (the) 1976 1428 w (distance) 2133 1428 w (in) 2495 1428 w (color) 2608 1428 w (between) 2848 1428 w (it) 3215 1428 w (and) 3306 1428 w (the) 3485 1428 w (color) 3642 1428 w (you) 3882 1428 w (specified) 4067 1428 w (is) 4462 1428 w (less) 4564 1428 w (than) 4749 1428 w (or) 4957 1428 w (equal to) 970 1548 w 10 /Times-Italic f (closeness) 1314 1548 w 10 /Times-Roman f (per cent of the maxval.) 1716 1548 w (The) 970 1704 w ("distance") 1151 1704 w (in) 1587 1704 w (color) 1692 1704 w (is) 1924 1704 w (defined) 2018 1704 w (as) 2344 1704 w (the) 2454 1704 w (cartesian) 2603 1704 w (sum) 2984 1704 w (of) 3178 1704 w (the) 3288 1704 w (individual) 3437 1704 w (differences) 3870 1704 w (in) 4339 1704 w (red,) 4444 1704 w (green,) 4623 1704 w (and) 4896 1704 w (blue) 970 1824 w (intensities) 1171 1824 w (between) 1606 1824 w (the) 1967 1824 w (two) 2118 1824 w (pixels,) 2297 1824 w (normalized) 2590 1824 w (so) 3068 1824 w (that) 3186 1824 w (the) 3365 1824 w (difference) 3516 1824 w (between) 3947 1824 w (black) 4307 1824 w (and) 4551 1824 w (white) 4723 1824 w (is) 4973 1824 w (100%.) 970 1944 w (This) 970 2100 w (is) 1175 2100 w (probably) 1269 2100 w (simpler) 1651 2100 w (than) 1979 2100 w (what) 2179 2100 w (you) 2401 2100 w (want) 2579 2100 w (most) 2801 2100 w (the) 3024 2100 w (time.) 3174 2100 w (You) 3430 2100 w (probably) 3630 2100 w (would) 4013 2100 w (like) 4291 2100 w (to) 4469 2100 w (change) 4575 2100 w (col\255) 4885 2100 w (ors) 970 2220 w (that) 1124 2220 w (have) 1306 2220 w (similar) 1526 2220 w (chrominance,) 1836 2220 w (regardless) 2408 2220 w (of) 2844 2220 w (their) 2959 2220 w (intensity.) 3174 2220 w (So) 3601 2220 w (if) 3738 2220 w (there's) 3830 2220 w (a) 4132 2220 w (red) 4207 2220 w (barn) 4365 2220 w (that) 4573 2220 w (is) 4754 2220 w (vari\255) 4852 2220 w (ously) 970 2340 w (shadowed,) 1213 2340 w (you) 1663 2340 w (want) 1839 2340 w (the) 2059 2340 w (entire) 2207 2340 w (barn) 2460 2340 w (changed.) 2663 2340 w (But) 3071 2340 w (because) 3242 2340 w (the) 3583 2340 w (shadowing) 3732 2340 w (significantly) 4192 2340 w (changes) 4719 2340 w (the) 970 2460 w (color) 1120 2460 w (according) 1353 2460 w (to) 1774 2460 w 10 /Times-Bold f (ppmchange) 1880 2460 w 10 /Times-Roman f ('s) 2375 2460 w (distance) 2475 2460 w (formula,) 2830 2460 w (parts) 3199 2460 w (of) 3421 2460 w (the) 3531 2460 w (barn) 3680 2460 w (are) 3884 2460 w (probably) 4032 2460 w (about) 4414 2460 w (as) 4663 2460 w (distant) 4773 2460 w (in color from other parts of the barn as they are from green grass next to the barn.) 970 2580 w (Maybe) 970 2736 w 10 /Times-Bold f (ppmchange) 1272 2736 w 10 /Times-Roman f (will be enhanced some day to do chrominance analysis.) 1792 2736 w 10 /Times-Bold f (\255closeok) 970 2892 w 10 /Times-Roman f (This) 1314 2892 w (option) 1522 2892 w (affects) 1808 2892 w (how) 2103 2892 w 10 /Times-Bold f (ppmchange) 2305 2892 w 10 /Times-Roman f (interprets) 2830 2892 w (a) 3237 2892 w (color) 3311 2892 w (you) 3546 2892 w (specify) 3726 2892 w (in) 4044 2892 w (the) 4152 2892 w (arguments.) 4305 2892 w (When) 4802 2892 w (you) 1220 3012 w (specify) 1405 3012 w (this) 1728 3012 w (option,) 1908 3012 w 10 /Times-Bold f (ppmchange) 2224 3012 w 10 /Times-Roman f (may) 2754 3012 w (use) 2961 3012 w (a) 3129 3012 w (color) 3208 3012 w (close) 3448 3012 w (to,) 3688 3012 w (but) 3826 3012 w (not) 3988 3012 w (the) 4150 3012 w (same) 4306 3012 w (as) 4545 3012 w (what) 4662 3012 w (you) 4890 3012 w (specify.) 1220 3132 w (See the description section for details.) 1583 3132 w (This) 970 3288 w (option) 1179 3288 w (was) 1466 3288 w (new) 1652 3288 w (in) 1849 3288 w (Netpbm) 1958 3288 w (10.22) 2311 3288 w (\(April) 2567 3288 w (2004\).) 2842 3288 w (Before) 3156 3288 w (that,) 3458 3288 w 10 /Times-Bold f (ppmchange) 3664 3288 w 10 /Times-Roman f (always) 4191 3288 w (behaved) 4500 3288 w (as) 4864 3288 w (if) 4979 3288 w (you specified this option.) 970 3408 w 10 /Times-Bold f (\255remainder) 970 3564 w 10 /Times-Italic f (color) 1485 3564 w 10 /Times-Bold f (ppmchange) 1696 3564 w 10 /Times-Roman f (changes) 2224 3564 w (all) 2578 3564 w (pixels) 2711 3564 w (which) 2983 3564 w (are) 3261 3564 w (not) 3416 3564 w (of) 3578 3564 w (a) 3695 3564 w (color) 3773 3564 w (for) 4012 3564 w (which) 4162 3564 w (you) 4440 3564 w (specify) 4624 3564 w (an) 4946 3564 w (explicit replacement color on the command line to color) 1220 3684 w 10 /Times-Italic f (color) 3486 3684 w 10 /Times-Roman f (.) 3697 3684 w (An example application of this is) 970 3840 w 10 /Times-Bold f (ppmchange \255remainder=black red red) 970 4020 w 10 /Times-Roman f (to lift only the red portions from an image, or) 970 4200 w 10 /Times-Bold f (ppmchange \255remainder=black red white ) 970 4380 w 10 /S f (\357) 2715 4380 w 10 /Times-Bold f (ppmtopgm) 2789 4380 w 10 /Times-Roman f (to create a mask file for the red portions of the image.) 970 4560 w 10 /Times-Bold f (SEE ALSO) 720 4800 w (pgmtoppm) 720 4956 w 10 /Times-Roman f (,) 1187 4956 w 10 /Times-Bold f (ppmcolormask) 1237 4956 w 10 /Times-Roman f (,) 1876 4956 w 10 /Times-Bold f (ppm) 1926 4956 w (AUTHOR) 720 5196 w 10 /Times-Roman f (Wilson H. Bent. Jr. \(whb@usc.edu\) with modifications by Alberto Accomazzi \(alberto@cfa.harvard.edu\)) 720 5352 w 10 /S1 f (________________________________________________________________________) 720 5472 w 10 /Times-Bold f (Table Of Contents) 720 5712 w 10 /LucidaSansUnicode22 f (\031) 720 5904 w 10 /Times-Roman f (NAME) 970 5904 w 10 /LucidaSansUnicode22 f (\031) 720 6060 w 10 /Times-Roman f (SYNOPSIS) 970 6060 w 10 /LucidaSansUnicode22 f (\031) 720 6216 w 10 /Times-Roman f (EXAMPLES) 970 6216 w 10 /LucidaSansUnicode22 f (\031) 720 6372 w 10 /Times-Roman f (DESCRIPTION) 970 6372 w 10 /LucidaSansUnicode22 f (\031) 720 6528 w 10 /Times-Roman f (OPTIONS) 970 6528 w 10 /LucidaSansUnicode22 f (\031) 720 6684 w 10 /Times-Roman f (SEE ALSO) 970 6684 w 10 /LucidaSansUnicode22 f (\031) 720 6840 w 10 /Times-Roman f (AUTHOR) 970 6840 w cleartomark showpage saveobj restore %%EndPage: 2 2 %%Trailer done %%DocumentFonts: Times-Roman LucidaSansUnicode22 Times-Italic Times-Bold S1 S %%Pages: 2