%!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 (Pamgauss) 2273 1230 w (User) 2817 1230 w (Manual) 3086 1230 w 10 /Times-Bold f (pamgauss) 720 1920 w 10 /Times-Roman f (Updated: 8 May 2004) 720 2076 w (Table Of Contents) 720 2196 w 10 /Times-Bold f (NAME) 720 2436 w 10 /Times-Roman f (pamgauss \255 create a two dimensional gaussian function as a PAM image) 720 2592 w 10 /Times-Bold f (SYNOPSIS) 720 2832 w (pamgauss) 720 2988 w 10 /Times-Italic f (width height) 1168 2988 w 10 /Times-Bold f (\255sigma=) 1691 2988 w 10 /Times-Italic f (number) 2031 2988 w 10 /Times-Roman f ([) 2361 2988 w 10 /Times-Bold f (\255maxval=) 2394 2988 w 10 /Times-Italic f (number) 2795 2988 w 10 /Times-Roman f (] [) 3100 2988 w 10 /Times-Bold f (\255tupletype=) 3191 2988 w 10 /Times-Italic f (string) 3681 2988 w 10 /Times-Roman f (]) 3915 2988 w (Minimum) 720 3144 w (unique) 1162 3144 w (abbreviation) 1475 3144 w (of) 2015 3144 w (option) 2140 3144 w (is) 2438 3144 w (acceptable.) 2547 3144 w (You) 3059 3144 w (may) 3273 3144 w (use) 3487 3144 w (double) 3662 3144 w (hyphens) 3976 3144 w (instead) 4351 3144 w (of) 4676 3144 w (single) 4801 3144 w (hyphen) 720 3264 w (to) 1042 3264 w (denote) 1148 3264 w (options.) 1442 3264 w (You) 1815 3264 w (may) 2015 3264 w (use) 2215 3264 w (white) 2376 3264 w (space) 2626 3264 w (in) 2875 3264 w (place) 2981 3264 w (of) 3219 3264 w (the) 3330 3264 w (equals) 3480 3264 w (sign) 3763 3264 w (to) 3958 3264 w (separate) 4064 3264 w (an) 4418 3264 w (option) 4540 3264 w (name) 4824 3264 w (from its value.) 720 3384 w 10 /Times-Bold f (EXAMPLES) 720 3624 w 10 /Times-Roman f (pamgauss 3 3 \255sigma=.5 \255tupletype=GRAYSCALE ) 845 3840 w 10 /S f (\357) 2928 3840 w 10 /Times-Roman f (pamtopnm >gauss.pgm) 3002 3840 w (pnmconvol \255nooffset gauss.pgm myimage.ppm >blurred.ppm) 845 3960 w 10 /Times-Bold f (DESCRIPTION) 720 4260 w 10 /Times-Roman f (This program is part of Netpbm.) 720 4452 w 10 /Times-Bold f (pamgauss) 720 4608 w 10 /Times-Roman f (generates) 1170 4608 w (a) 1573 4608 w (one\255plane) 1644 4608 w (PAM) 2065 4608 w (image) 2310 4608 w (whose) 2582 4608 w (samples) 2865 4608 w (are) 3215 4608 w (a) 3364 4608 w (gaussian) 3436 4608 w (function) 3808 4608 w (of) 4169 4608 w (their) 4280 4608 w (distance) 4491 4608 w (from) 4846 4608 w (the) 720 4728 w (center) 869 4728 w (of) 1139 4728 w (the) 1249 4728 w (image.) 1398 4728 w (I.e.) 1719 4728 w (the) 1898 4728 w (sample) 2047 4728 w (value) 2357 4728 w (is) 2600 4728 w (highest) 2694 4728 w (in) 3010 4728 w (the) 3115 4728 w (center) 3264 4728 w (and) 3534 4728 w (goes) 3705 4728 w (down,) 3915 4728 w (in) 4189 4728 w (a) 4294 4728 w (bell) 4365 4728 w (curve) 4541 4728 w (shape,) 4788 4728 w (as you move away from the center.) 720 4848 w (The) 720 5004 w (values) 911 5004 w (are) 1202 5004 w (scaled) 1359 5004 w (so) 1644 5004 w (that) 1769 5004 w (the) 1955 5004 w (area) 2113 5004 w (under) 2314 5004 w (the) 2577 5004 w (surface) 2735 5004 w (of) 3058 5004 w (the) 3177 5004 w (two\255dimensional) 3335 5004 w (Gaussian) 4043 5004 w (function) 4445 5004 w (is) 4814 5004 w (the) 4918 5004 w (maxval of the image.) 720 5124 w (You) 720 5280 w (can) 929 5280 w (use) 1104 5280 w (this) 1274 5280 w (image,) 1457 5280 w (converted) 1764 5280 w (to) 2195 5280 w (PGM,) 2311 5280 w (as) 2591 5280 w (a) 2712 5280 w (convolution) 2794 5280 w (kernel) 3310 5280 w (with) 3597 5280 w 10 /Times-Bold f (pnmconvol) 3813 5280 w 10 /Times-Roman f (to) 4324 5280 w (blur) 4440 5280 w (an) 4639 5280 w (image.) 4771 5280 w (\(This) 720 5400 w (technique) 970 5400 w (is) 1397 5400 w (known) 1503 5400 w (as) 1814 5400 w (Gaussian) 1936 5400 w (blurring\).) 2340 5400 w 10 /Times-Italic f (width) 2783 5400 w 10 /Times-Roman f (and) 3044 5400 w 10 /Times-Italic f (height) 3226 5400 w 10 /Times-Roman f (are) 3514 5400 w (the) 3673 5400 w (dimensions) 3833 5400 w (of) 4327 5400 w (the) 4448 5400 w (image) 4608 5400 w (that) 4890 5400 w 10 /Times-Bold f (pamgauss) 720 5520 w 10 /Times-Roman f (generates.) 1170 5520 w (Mathematically) 1623 5520 w (speaking,) 2277 5520 w (they) 2684 5520 w (are) 2883 5520 w (the) 3031 5520 w (domain) 3180 5520 w (of) 3507 5520 w (the) 3617 5520 w (two) 3766 5520 w (dimensional) 3943 5520 w (gaussian) 4459 5520 w (func\255) 4830 5520 w (tion.) 720 5640 w (The) 720 5796 w (sum) 902 5796 w (of) 1096 5796 w (all) 1206 5796 w (the) 1333 5796 w (samples) 1482 5796 w (is) 1831 5796 w (equal) 1925 5796 w (to) 2169 5796 w (the) 2275 5796 w (image's) 2425 5796 w (maxval) 2769 5796 w (\(within) 3091 5796 w (rounding) 3408 5796 w (error\).) 3797 5796 w (This) 4101 5796 w (is) 4307 5796 w (true) 4402 5796 w (even) 4585 5796 w (if) 4801 5796 w (you) 4890 5796 w (clip) 720 5916 w (the) 896 5916 w (Gaussian) 1044 5916 w (function) 1436 5916 w (by) 1795 5916 w (making) 1921 5916 w (the) 2247 5916 w (image) 2395 5916 w (too) 2665 5916 w (small.) 2819 5916 w (If) 3112 5916 w (you) 3204 5916 w (want) 3380 5916 w (to) 3600 5916 w (be sure you get a whole Gaussian) 3704 5916 w (function,) 720 6036 w (make) 1111 6036 w (sure) 1360 6036 w (that) 1559 6036 w (you) 1742 6036 w (choose) 1925 6036 w (a) 2235 6036 w (sigma) 2312 6036 w (and) 2584 6036 w (image) 2761 6036 w (dimensions) 3038 6036 w (so) 3527 6036 w (that) 3649 6036 w (if) 3832 6036 w (you) 3926 6036 w (made) 4109 6036 w (it) 4359 6036 w (any) 4449 6036 w (larger,) 4627 6036 w (the) 4918 6036 w (sample values at the edges would be zero.) 720 6156 w (The) 720 6312 w (output) 936 6312 w (image) 1253 6312 w (is) 1558 6312 w (PAM.) 1687 6312 w (To) 2016 6312 w (turn) 2189 6312 w (it) 2412 6312 w (into) 2530 6312 w (a) 2748 6312 w (PGM) 2854 6312 w (that) 3133 6312 w (you) 3345 6312 w (can) 3557 6312 w (use) 3757 6312 w (with) 3952 6312 w 10 /Times-Bold f (pnmconvol) 4192 6312 w 10 /Times-Roman f (,) 4665 6312 w (specify) 4752 6312 w 10 /Times-Bold f (\255tupletype=GRAYSCALE) 720 6432 w 10 /Times-Roman f (and) 1864 6432 w (pass) 2034 6432 w (the) 2232 6432 w (output) 2380 6432 w (through) 2662 6432 w 10 /Times-Bold f (pamtopnm) 2999 6432 w 10 /Times-Roman f (.) 3466 6432 w (You must use the) 3541 6432 w 10 /Times-Bold f (\255nooffset) 4263 6432 w 10 /Times-Roman f (option on) 4659 6432 w 10 /Times-Bold f (pnmconvol) 720 6552 w 10 /Times-Roman f (because zero means zero in the PAM that) 1218 6552 w 10 /Times-Bold f (pamgauss) 2897 6552 w 10 /Times-Roman f (generates.) 3345 6552 w 10 /Times-Bold f (DESCRIPTION) 720 6792 w 10 /Times-Roman f (This program is part of Netpbm.) 720 6984 w 10 /Times-Bold f (\255sigma=) 970 7140 w 10 /Times-Italic f (number) 1310 7140 w 10 /Times-Roman f (This) 1615 7140 w (is) 1821 7140 w (the) 1916 7140 w (sigma) 2066 7140 w (parameter) 2333 7140 w (of) 2759 7140 w (the) 2870 7140 w (Gaussian) 3020 7140 w (function) 3414 7140 w (\(if) 3776 7140 w (it) 3899 7140 w (were) 3984 7140 w (a) 4206 7140 w (Gaussian) 4279 7140 w (probabil\255) 4674 7140 w (ity) 1220 7260 w (function,) 1353 7260 w (this) 1738 7260 w (would) 1910 7260 w (be) 2187 7260 w (its) 2308 7260 w (standard) 2430 7260 w (deviation\).) 2795 7260 w (The) 3277 7260 w (higher) 3459 7260 w (the) 3741 7260 w (number,) 3890 7260 w (the) 4247 7260 w (more) 4395 7260 w (spread) 4626 7260 w (out) 4912 7260 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 (the) 1220 840 w (function) 1369 840 w (is.) 1729 840 w (Normally,) 1873 840 w (you) 2308 840 w (want) 2485 840 w (to) 2706 840 w (make) 2811 840 w (this) 3054 840 w (number) 3226 840 w (low) 3558 840 w (enough) 3735 840 w (that) 4056 840 w (the) 4233 840 w (function) 4382 840 w (reaches) 4742 840 w (zero value before the edge of your image.) 1220 960 w 10 /Times-Italic f (number) 970 1116 w 10 /Times-Roman f (is in units of pixels.) 1300 1116 w (This option is required.) 970 1272 w (There is no default.) 1953 1272 w 10 /Times-Bold f (\255maxval=) 970 1428 w 10 /Times-Italic f (number) 1371 1428 w 10 /Times-Roman f (This is the maxval for the output image.) 1676 1428 w (It defaults to 255.) 3325 1428 w 10 /Times-Bold f (\255tupletype=) 970 1584 w 10 /Times-Italic f (string) 1460 1584 w 10 /Times-Roman f (This) 1694 1584 w (is) 1900 1584 w (the) 1995 1584 w (value) 2145 1584 w (of) 2389 1584 w (the) 2500 1584 w ("tuple) 2650 1584 w 10 /S f (_) 2891 1584 w 10 /Times-Roman f (type") 2941 1584 w (attribute) 3182 1584 w (of) 3543 1584 w (the) 3654 1584 w (created) 3804 1584 w (PAM) 4120 1584 w (image.) 4366 1584 w (It) 4689 1584 w (can) 4779 1584 w (be) 4946 1584 w (any) 1220 1704 w (string) 1401 1704 w (up) 1666 1704 w (to) 1803 1704 w (255) 1918 1704 w (characters.) 2104 1704 w (If) 2593 1704 w (you) 2695 1704 w (don't) 2881 1704 w (specify) 3128 1704 w (this,) 3452 1704 w 10 /Times-Bold f (pamgauss) 3658 1704 w 10 /Times-Roman f (generates) 4117 1704 w (a) 4529 1704 w (PAM) 4609 1704 w (with) 4862 1704 w (unspecified tuple type.) 1220 1824 w 10 /Times-Bold f (SEE ALSO) 720 2064 w (pnmconvol) 720 2220 w 10 /Times-Roman f (,) 1193 2220 w 10 /Times-Bold f (pamtopnm) 1243 2220 w 10 /Times-Roman f (,) 1710 2220 w 10 /Times-Bold f (pgmkernel) 1760 2220 w 10 /Times-Roman f (,) 2221 2220 w 10 /Times-Bold f (pamseq) 2271 2220 w 10 /Times-Roman f (,) 2599 2220 w 10 /Times-Bold f (pam) 2649 2220 w (HISTORY) 720 2460 w (pamgauss) 720 2652 w 10 /Times-Roman f (was new in Netpbm 10.23 \(July 2004\).) 1168 2652 w 10 /S1 f (________________________________________________________________________) 720 2772 w 10 /Times-Bold f (Table Of Contents) 720 3012 w 10 /LucidaSansUnicode22 f (\031) 720 3204 w 10 /Times-Roman f (NAME) 970 3204 w 10 /LucidaSansUnicode22 f (\031) 720 3360 w 10 /Times-Roman f (SYNOPSIS) 970 3360 w 10 /LucidaSansUnicode22 f (\031) 720 3516 w 10 /Times-Roman f (SYNOPSIS) 970 3516 w 10 /LucidaSansUnicode22 f (\031) 720 3672 w 10 /Times-Roman f (DESCRIPTION) 970 3672 w 10 /LucidaSansUnicode22 f (\031) 720 3828 w 10 /Times-Roman f (SEE ALSO) 970 3828 w 10 /LucidaSansUnicode22 f (\031) 720 3984 w 10 /Times-Roman f (AUTHORS) 970 3984 w cleartomark showpage saveobj restore %%EndPage: 2 2 %%Trailer done %%DocumentFonts: Times-Roman LucidaSansUnicode22 Times-Italic Times-Bold S1 S %%Pages: 2