Three 360° turnings of one arm of an Archimedean spiral.
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Produced with the following PostScript code:
%! .75 setgray 2 setlinewidth 280 640 moveto 0 -540 rlineto stroke 16 396 moveto 580 0 rlineto stroke 1 0 0 setrgbcolor %%%%%%%%%%%%%%%% % PostScript program to display an Archimedean spiral by approximating % it with Bezier curves. Can display a double spiral (two spirals % rotated by 180 degrees with respect to each other). %%% Parameters: /sepwid 100 def % width separating successive turnings of spiral % (half this if double spiral is selected) /incrm 11.25 def % insert a curve point after this number of degrees /sweeps 3 def % number of 360 degree turnings to show /centerx 280 def % horizontal coordinate of center of spiral /centery 396 def % vertical coordinate of center of spiral /double 0 def % change to 1 to display double spiral /linew 3 def % increase number for thicker line %%% Procedures: /pi 3.1415926535898 def/radians 57.295779513082 def /sepwid sepwid pi div 2 div def gsave centerx centery translate linew setlinewidth /aspiral{/prevbezy 0 def 0 0 moveto 0 incrm sweeps 360 mul{7{dup}repeat phase add cos/costh exch def phase add sin/sinth exch def costh mul radians div/thcosth exch def sinth mul radians div/thsinth exch def thcosth sepwid mul/x exch def thsinth sepwid mul/y exch def /slope sinth thcosth add costh thsinth sub div def sinth 0 gt sinth 0 eq costh -1 eq and or{/flag -1 def}{/flag 1 def}ifelse /A exch def A 49.29348 lt A 180 gt A 196.273450852 lt and A 360 gt A 368.8301 lt and A 540 gt A 545.9907 lt and A 720 gt A 724.5217 lt and A 900 gt A 903.6281968 lt and or or or or or{/flag flag neg def}if incrm sub 3{dup}repeat phase add cos sepwid mul mul radians div /prevx exch def phase add sin sepwid mul mul radians div /prevy exch def incrm add 3{dup}repeat phase add cos sepwid mul mul radians div /nextx exch def phase add sin sepwid mul mul radians div /nexty exch def /prevdist x prevx sub dup mul y prevy sub dup mul add sqrt pi div def /nextdist x nextx sub dup mul y nexty sub dup mul add sqrt pi div def /normaliz slope slope mul 1 add sqrt def 0 eq{/prevbezx phase cos nextdist mul def}{prevbezx prevbezy x 1 flag mul normaliz div prevdist mul sub y slope flag mul normaliz div prevdist mul sub x y curveto /prevbezx x 1 flag mul normaliz div nextdist mul add def /prevbezy y slope flag mul normaliz div nextdist mul add def}ifelse} for stroke}def /phase 0 def aspiral %%% If different sweeps parameter for second spiral, define here: %%%%%%%%%%%%%%%% double 0 ne{/phase 180 def aspiral}if grestore showpage %EOF
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(One arm of an Archimedean spiral (higher-resolution picture). Produced with the following PostScript code: .75 setgray 2 setlinewidth 280 640 moveto 0 -540 rlineto stroke 16 396 moveto 580 0 rlineto stroke 1 0 0 setrgbcolor 1 setlinecap %%%%%)
La bildo estas kopiita de wikipedia:en. La originala priskribo estas: == Summary == Three 360° turnings of one arm of an Archimedean spiral (higher-resolution picture). Produced with the following PostScript code: <pre><nowiki>%! .75 setgray 2 setline
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ไฟล, archimedean, spiral, ไฟล, ประว, ไฟล, หน, าท, ภาพน, การใช, ไฟล, วนกลางไม, ภาพท, รายละเอ, ยดส, งกว, าน, archimedean, spiral, 8206, กเซล, ขนาดไฟล, โลไบต, ชน, ดไมม, image, ปภาพหร, อไฟล, เส, ยงน, นฉบ, บอย, คอมมอนส, รายละเอ, ยดด, านล, าง, เป, นข, อความท, แสดงผล. ifl prawtiifl hnathimiphaphni karichiflswnklangimmiphaphthimiraylaexiydsungkwani Archimedean spiral png 8206 656 600 phikesl khnadifl 10 kiolibt chnidimm image png rupphaphhruxiflesiyngni tnchbbxyuthi khxmmxns raylaexiyddanlang epnkhxkhwamthiaesdngphlcak ifltnchbbinkhxmmxns khxmmxnsepnewbistinokhrngkarsahrbekbrwbrwmsuxesri thi khunsamarthchwyid enuxha 1 khwamyx 2 karxnuyatichsiththi 3 Edit history on en wikipedia 4 Upload history on en wikipedia khwamyx khaxthibayArchimedean spiral png Three 360 turnings of one arm of an Archimedean spiral wnthi 23 tulakhm ph s 2548aehlngthima Produced with the following PostScript code 75 setgray 2 setlinewidth 280 640 moveto 0 540 rlineto stroke 16 396 moveto 580 0 rlineto stroke 1 0 0 setrgbcolor PostScript program to display an Archimedean spiral by approximating it with Bezier curves Can display a double spiral two spirals rotated by 180 degrees with respect to each other Parameters sepwid 100 def width separating successive turnings of spiral half this if double spiral is selected incrm 11 25 def insert a curve point after this number of degrees sweeps 3 def number of 360 degree turnings to show centerx 280 def horizontal coordinate of center of spiral centery 396 def vertical coordinate of center of spiral double 0 def change to 1 to display double spiral linew 3 def increase number for thicker line Procedures pi 3 1415926535898 def radians 57 295779513082 def sepwid sepwid pi div 2 div def gsave centerx centery translate linew setlinewidth aspiral prevbezy 0 def 0 0 moveto 0 incrm sweeps 360 mul 7 dup repeat phase add cos costh exch def phase add sin sinth exch def costh mul radians div thcosth exch def sinth mul radians div thsinth exch def thcosth sepwid mul x exch def thsinth sepwid mul y exch def slope sinth thcosth add costh thsinth sub div def sinth 0 gt sinth 0 eq costh 1 eq and or flag 1 def flag 1 def ifelse A exch def A 49 29348 lt A 180 gt A 196 273450852 lt and A 360 gt A 368 8301 lt and A 540 gt A 545 9907 lt and A 720 gt A 724 5217 lt and A 900 gt A 903 6281968 lt and or or or or or flag flag neg def if incrm sub 3 dup repeat phase add cos sepwid mul mul radians div prevx exch def phase add sin sepwid mul mul radians div prevy exch def incrm add 3 dup repeat phase add cos sepwid mul mul radians div nextx exch def phase add sin sepwid mul mul radians div nexty exch def prevdist x prevx sub dup mul y prevy sub dup mul add sqrt pi div def nextdist x nextx sub dup mul y nexty sub dup mul add sqrt pi div def normaliz slope slope mul 1 add sqrt def 0 eq prevbezx phase cos nextdist mul def prevbezx prevbezy x 1 flag mul normaliz div prevdist mul sub y slope flag mul normaliz div prevdist mul sub x y curveto prevbezx x 1 flag mul normaliz div nextdist mul add def prevbezy y slope flag mul normaliz div nextdist mul add def ifelse for stroke def phase 0 def aspiral If different sweeps parameter for second spiral define here double 0 ne phase 180 def aspiral if grestore showpage EOFphusrangsrrkh User AnonMoosewxrchnxun phaphnimiphaphinrupaebbewketxr SVG hakphaph SVG thaihkaraesdngphldikwa hnathiichphaphnikhwrepliynipichphaph SVG aethn File Archimedean spiral png File Archimedean spiral svg sahrbkhxmulephimetimekiywkbphaphewketxr duthi karepliynipichphaph SVG inkhxmmxnsnxkcaknisamarthduephimetimekiywkb khxmulekiywkbkarrxngrbphaph SVG sahrbsxftaewrmiediywiki id inphasaxunAlemannisch العربية belaruskaya tarashkevica blgarski ব ল catala nohchijn cestina dansk Deutsch Ellhnika English British English Esperanto espanol eesti euskara فارسی suomi francais Frysk galego עברית hrvatski magyar հայերեն Bahasa Indonesia Ido italiano 日本語 ქართული 한국어 lietuviu makedonski മലയ ള Bahasa Melayu norsk bokmal Plattduutsch Nederlands norsk nynorsk norsk occitan polski portugues portugues do Brasil romană russkij sicilianu Scots slovencina slovenscina srpski srpski svenska தம ழ ithy Turkce tatarcha tatarca ukrayinska veneto Tiếng Việt 中文 简体 中文 繁體 karxnuyatichsiththi Public domain Public domain false falsenganniidthukephyaephrsusatharnsmbtiodyecakhxng AnonMoos sungmiphlthwolkinbangpraeths karkrathadngklawxacimsamarththaidtamkdhmayAnonMoos xnuyatihthukkhnmisiththiinkarichiflniinthukehtuphlkarich odyimmimienguxnikh ewnaetkdhmayimxnuyatihthaechnnnEdit history on en wikipedia date time username edit summary22 42 20 November 2005 en User AnonMoos update description to reflect new version of image 23 05 16 November 2005 en User AnonMoos add category 12 59 23 October 2005 en User AnonMoos tweaking 02 16 23 October 2005 en User AnonMoos Summary01 40 23 October 2005 en User AnonMoos01 38 23 October 2005 en User AnonMoos tags 01 20 23 October 2005 en User AnonMoos One arm of an Archimedean spiral higher resolution picture Produced with the following PostScript code 75 setgray 2 setlinewidth 280 640 moveto 0 540 rlineto stroke 16 396 moveto 580 0 rlineto stroke 1 0 0 setrgbcolor 1 setlinecap Upload history on en wikipedia del cur 22 38 20 November 2005 en User AnonMoos AnonMoos en User talk AnonMoos Talk 656x600 9955 bytes larger slightly corrected version del rev 01 20 23 October 2005 en User AnonMoos AnonMoos en User talk AnonMoos Talk 600x550 9150 bytes One arm of an Archimedean spiral higher resolution picture Produced with the following PostScript code lt nowiki gt 75 setgray 2 setlinewidth 280 640 moveto 0 540 rlineto stroke 16 396 moveto 580 0 rlineto stroke 1 0 0 setrgbcolor 1 setlinecap khabrryayodyyxithyephimkhabrryaythrrthdediywephuxkhyaykhwamwaiflnimixairixethmthiaesdngxyuiniflniprakxbdwysthanalikhsiththicopyrighted dedicated to the public domain by copyright holder xngkvssyyaxnuyatreleased into the public domain by the copyright holder xngkvswnthisrang wnkxtng23 tulakhm 2005 prawtiifl khlikwnthi ewlaephuxduiflthipraktinkhnann wnthi ewlarupyxkhnadphuichkhwamehn pccubn00 12 19 minakhm 2549656 600 10 kiolibt MaksimLa bildo estas kopiita de wikipedia en La originala priskribo estas Summary Three 360 turnings of one arm of an Archimedean spiral higher resolution picture Produced with the following PostScript code lt pre gt lt nowiki gt 75 setgray 2 setline hnathimiphaphni immihnaidoyngmathiphaphnikarichiflswnklang wikixuntxipniichiflni karichbn af wikipedia org Archimedesspiraal karichbn bg wikipedia org Spirala karichbn ca wikipedia org Espiral d Arquimedes karichbn el wikipedia org Speira toy Arximhdh karichbn el wiktionary org speira karichbn en wikipedia org User AnonMoos Gallery karichbn en wikiquote org User Archimedes enwikiquote karichbn es wikipedia org Portal Matematica Imagen archivo 1 2008 karichbn hu wikipedia org Arkhimedeszi spiral karichbn kk wikipedia org Arhimed spirali karichbn nn wikipedia org Arkimedisk spiral karichbn no wikipedia org Arkimedisk spiral karichbn sl wikipedia org Spirala karichbn tr wikipedia org Spiral anlam ayrimi ekhathungcak https th wikipedia org wiki ifl Archimedean spiral png, wikipedia, วิกิ หนังสือ, หนังสือ, ห้องสมุด,
