File list

From Knot Atlas
Jump to navigationJump to search

This special page shows all uploaded files.

File list
First pagePrevious pageNext pageLast page
Date Name Thumbnail Size User Description Versions
15:53, 13 March 2010 12crossings-fourfold-symmetric.png (file) 27 KB AnonMoos better 2
23:43, 12 March 2010 K12a975.png (file) 12 KB AnonMoos made by Knotscape 1
17:48, 12 March 2010 9crossings-symmetrical-nonalt.png (file) 20 KB AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 306 396 translate .4 dup scale/x 240 3 sqrt div neg def 24 setlinewidth 1 setgray/A{-120 x 360 210 360 arc 0 x 240 0 180 arc 120 x 360 180 330 arc 60 1
10:22, 8 March 2010 12crossingsx.png (file) 13 KB AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 306 396 translate 1.2 dup scale 90 rotate .92 .96 1 setrgbcolor 8 setlinewidth 1 setlinejoin/Q 50 7500 sqrt add 100 3 sqrt div add def/R 50 7500 sqrt 1
10:21, 8 March 2010 12crossings-pseudo-Borromean.png (file) 21 KB AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 306 396 translate 1 setgray 8 setlinewidth/A{closepath gsave 0 setgray 20 setlinewidth stroke grestore stroke}def -100 0 84 150 210 arcn -158.1969071 1
14:33, 7 March 2010 Solomons-knot-square.png (file) 533 bytes AnonMoos == Summary == Simple squared depiction of L4a1. Self-made graphic, declared to be public domain, converted from the following vector PostScript source code: <pre>%! 36 setlinewidth .92 .96 1 setrgbcolor/X{2{.5 add 144 mul exch}repeat}def/l{X lineto}def/ 1
17:56, 3 March 2010 Trefoil-of-trefoils.png (file) 24 KB AnonMoos Three trefoil knots along a closed loop which itself is knotted as a trefoil. Self-made graphic, declared by me to be in public domain, see http://commons.wikimedia.org/wiki/Image:Trefoil-of-trefoil.svg 1
17:13, 3 March 2010 Square-knot-6-crossings.png (file) 18 KB AnonMoos Single-closed loop version of the "square knot" of practical knot-tying. (The two-closed-loop version of the square knot is two disconnected unlinked simple closed loops.) Self-made, declared to be in public domain, generated from the following PostScri 1
17:09, 3 March 2010 Granny-knot-6-crossings.png (file) 18 KB AnonMoos Single-closed loop version of the "granny knot" of practical knot-tying. (The two-closed-loop version of the granny knot is L4a1.) Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 150 515 trans 1
17:04, 3 March 2010 Celtic-knot-insquare-green-transparentbg.png (file) 21 KB AnonMoos Decorative Celtic or pseudo-Celtic knot which fits within a square. Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 306 326 translate /y{gsave 54 setlinewidth .92 .96 1 setrgbcolor stroke grestore 1
17:01, 3 March 2010 Celtic-insquare-three-fourths.gif (file) 28 KB AnonMoos better version 2
16:54, 3 March 2010 6crossings square.png (file) 366 bytes AnonMoos Square depiction of six-crossing knot. Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 1 setgray 30 setlinewidth/X{.5 add 120 mul exch .5 add 120 mul exch}def/l{X lineto}def 0 4 X moveto 2 4 l 2 0 1
03:40, 1 March 2010 Figure8knot-rose-limacon-curve.png (file) 21 KB AnonMoos Decorative knot with four crossings, depicted with in symmetrical form. The curves were generated from the polar coordinates equation r=b+sin(a?), which is a slight generalization of the Limaçon and Rose/rhodonea curves, using parameters a=(2/3) and b=2. 1
03:32, 1 March 2010 8crossings-rose-limacon-knot.png (file) 26 KB AnonMoos Decorative knot with eight crossings, depicted in symmetrical form. The curves were generated from the polar coordinates equation r=b+sin(a?), which is a slight generalization of the Limaçon and Rose/rhodonea curves, using parameters a=(2/5) and b=(8/5). 1
03:25, 1 March 2010 12crossings-rose-limacon-knot.png (file) 31 KB AnonMoos Decorative knot with twelve crossings, depicted with in symmetrical form. The curves were generated from the polar coordinates equation r=b+sin(aθ), which is a slight generalization of the Limaçon and Rose/rhodonea curves, using parameters a=(2/7) and b 1
03:18, 1 March 2010 K12a477.png (file) 12 KB AnonMoos Knotscape representation of K12a477 1
03:02, 1 March 2010 132-star-polygon-tredecagram2.png (file) 15 KB AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 300 396 translate 0 200 moveto 1 setgray 11 setlinewidth/A 720 13 div def 1 1 12{A mul 90 add/x exch def x A 2 div sub cos 94.7495 mul x A 2 div sub 1
03:01, 1 March 2010 132-star-polygon-tredecagram.png (file) 11 KB AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 300 396 translate 0 200 moveto 1 setgray 10.5 setlinewidth/A 720 13 div def 1 1 12{A mul 90 add/x exch def x cos 200 mul x sin 200 mul lineto} for cl 1
16:40, 24 February 2010 K12a541.png (file) 10 KB AnonMoos K12a541 as generated in KnotScape. 1
16:33, 24 February 2010 Solomons-two.png (file) 15 KB AnonMoos More aesthetic version of Image:Two-L4a1.png Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 235.28932188 396 translate 22 setlinewidth .92 .96 1 setrgbcolor 1 setlinejoin/z{20000 sqrt}def/y{ 1
13:48, 24 February 2010 Celtic-knot-basic-linear.png (file) 11 KB AnonMoos Decorative quasi-Celtic linear knot. Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 306 396 translate .825 dup scale 24 setlinewidth 1 setgray 1 setlinejoin /z{20000 sqrt}def/y{gsave 40 setlinewi 1
13:47, 24 February 2010 K13a4304.png (file) 13 KB AnonMoos K13a4304 as generated in KnotScape. 1
11:12, 24 February 2010 12crossings-rose-rhodonea-limacon-symmetrical-knot.png (file) 36 KB AnonMoos Decorative knot with twelve crossings, depicted with three-fold visual symmetry. The curves were generated from the polar coordinates equation r=b+sin(aθ), which is a slight generalization of the Limaçon and Rose/rhodonea curves, using parameters a=(3/5 1
11:09, 24 February 2010 K12a1019.png (file) 12 KB AnonMoos K12a1019 as generated in KnotScape. 1
11:31, 23 February 2010 10crossings-two-triquetras-joined.png (file) 25 KB AnonMoos 10-crossing knot made from circular arcs, such that the center of each circle is on the circumference of two other circles. Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 406 396 translate .6 dup 1
11:27, 23 February 2010 8crossings-two-triquetras-joined.png (file) 20 KB AnonMoos 8-crossing link made from circular arcs, such that the center of each circle is on the circumference of two other circles. Self-made, declared to be in public domain, generated from a version of the following PostScript source code: <pre>%! 204 396 tran 1
00:58, 20 February 2010 Trefoil-triquetra-rhodonea-rose-limacon.png (file) 15 KB AnonMoos Trefoil knot generated from the polar coordinates equation r=b+sin(aθ), which is a slight generalization of the Limaçon and Rose/rhodonea curves, using parameters a=(3/5) and b=(8/5). For a similar looking visual rendering of the 3_1 knot, but made 1
17:10, 12 February 2010 9crossings-knot-symmetrical.png (file) 19 KB AnonMoos Self-made, declared to be in public domain, generated from a version of the following PostScript source code: <pre>%! 7 3.5 translate/r{rcurveto}def/h{closepath}def/m{moveto}def .2 dup scale 2154 734 m 0 267 -143 478 -310 617 r -77 447 -412 675 -746 675 1
07:29, 10 February 2010 Old German-army-generals-insignia.jpg (file) 17 KB AnonMoos Old German army general's insignia (shoulder epaulet with braid)... 1
07:27, 10 February 2010 4crossings-square-alternate.png (file) 519 bytes AnonMoos add color 2
07:27, 10 February 2010 4crossings-square.png (file) 567 bytes AnonMoos add color 2
01:05, 6 February 2010 Trefoil-Triquetra.png (file) 16 KB AnonMoos An architectural trefoil (i.e. symmetrical pattern of three partially-overlapping circles) which is also a triquetra (i.e. simple threefold closed knot). For non-interlaced architectural trefoil, see http://commons.wikimedia.org/wiki/File:Trefoil-Archite 1
06:26, 5 February 2010 Vodicka triquetra.png (file) 14 KB AnonMoos Quasi-Celtic triquetra by Petr Vodicka, released to public domain (see http://commons.wikimedia.org/wiki/File:Vodicka_triquetra1.svg ). 1
22:25, 3 February 2010 Trefoil-square.png (file) 336 bytes AnonMoos Square depiction of 3_1 knot. For a similar but more complex visual representation of a knot, see Image:10crossings square.png. Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 1 setgray 1
04:41, 3 February 2010 92-star-polygon-nonagram3.png (file) 10 KB AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 300 396 translate 0 200 moveto 0 setgray 12 setlinewidth 1 1 8{80 mul 90 add/x exch def x 40 sub cos 45.3363 mul x 40 sub sin 45.3363 mul lineto x co 1
13:29, 2 February 2010 10crossings square.png (file) 378 bytes AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 1 setgray 18 setlinewidth/X{.5 add 72 mul exch .5 add 72 mul exch}def/l{X lineto}def 0 5 X moveto 0 2 l 5 2 l 5 3 l 1 3 l 1 1 l 4 1 l 4 4 l 2 4 l 2 0 1
13:24, 2 February 2010 10crossing-2trefoil.png (file) 16 KB AnonMoos round corners 2
11:57, 1 February 2010 72-star-polygon-septagram2.png (file) 10 KB AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 300 396 translate 0 200 moveto 1 setgray 14 setlinewidth /A 720 7 div def 1 1 6{A mul 90 add/x exch def x cos 200 mul x sin 200 mul lineto}for closep 1
11:07, 1 February 2010 112-star-polygon-undecagram2.png (file) 13 KB AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 300 396 translate 0 200 moveto 1 setgray 11 setlinewidth/A 720 11 div def 1 1 10{A mul 90 add/x exch def x A 2 div sub cos 98.761 mul x A 2 div sub s 1
11:05, 1 February 2010 92-star-polygon-nonagram2.png (file) 12 KB AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 300 396 translate 0 200 moveto 1 setgray 12 setlinewidth 1 1 8{80 mul 90 add/x exch def x 40 sub cos 106.417777 mul x 40 sub sin 106.417777 mul linet 1
09:37, 1 February 2010 112-star-polygon-undecagram.png (file) 11 KB AnonMoos Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 300 396 translate 0 200 moveto 1 setgray 11 setlinewidth/A 720 11 div def 1 1 10{A mul 90 add/x exch def x cos 200 mul x sin 200 mul lineto} for clos 1
09:08, 1 February 2010 72-star-polygon-septagram.png (file) 11 KB AnonMoos Self-made, declared to be in public domain. 1
08:53, 1 February 2010 92-star-polygon-nonagram.png (file) 11 KB AnonMoos Self-made graphic, declared to be public domain, converted from the following PostScript source code: <pre>%! 300 396 translate 0 200 moveto 1 setgray 12 setlinewidth 1 1 8{80 mul 90 add/x exch def x cos 200 mul x sin 200 mul lineto}for closepath gsave 0 1
07:38, 25 January 2010 Endless-knot-81-crossings.png (file) 7 KB AnonMoos Version of Endless knot symbol with 81 crossings (79 of which are structurally significant). Self-made image, declared to be public domain, generated from the following PostScript source: <pre>%! .5 dup scale 1 setgray 18 setlinewidth/X{.5 add 72 mul ex 1
07:36, 25 January 2010 Endless-knot-49-crossings.png (file) 4 KB AnonMoos Version of Endless knot symbol with 49 crossings (47 of which are structurally significant). Self-made image, declared to be public domain, generated from the following PostScript source: <pre>%! 2 3 div dup scale 1 setgray 18 setlinewidth/X{.5 add 72 m 1
11:35, 24 January 2010 Endless knot 23 crossings 25.png (file) 11 KB AnonMoos Form of "Endless Knot" symbol intermediate in complexity between basic 7_4 knot and the form seen in Image:Endless knot Red lacquerware dish Ming Dynasty.jpg . There are 25 crossings, 23 of which are structurally significant. Self-made graphic, 1
11:30, 24 January 2010 Endless knot Red lacquerware dish Ming Dynasty.jpg (file) 112 KB AnonMoos Detail of Chinese dish made of red lacquer over wood, from the Ming Dynasty, dated late 15th to mid 16th century, showing complex form of endless knot (a symbol of longevity in Chinese culture) at center. Knot has 49 crossings, 47 of which are structural 1
18:52, 23 January 2010 Three-loop-link-12-crossings-alternate.png (file) 9 KB AnonMoos Self-made, declared to be public domain, generated from the following PostScript source: <pre>%! 300 0 translate .5 dup scale 1 setgray /A {994 152 moveto 0 228 rlineto -152 0 rlineto 0 76 rlineto 152 0 rlineto 0 228 rlineto -152 0 rlineto 0 152 rlineto 1
17:31, 17 January 2010 12-crossings-squares-16.png (file) 1 KB AnonMoos 3-loop link with 16 crossings, only 12 of which are structurally significant. Topologically the same as Image:Celtic-knot-square-3loops.png... Self-made, declared to be public domain, generated from the following PostScript source: <pre>%! 1 setgr 1
11:18, 17 January 2010 Trefoil-in-trefoil.png (file) 18 KB AnonMoos Self-made, declared to be public domain, generated from the following PostScript source: <pre>%! 240 518 translate/z{20000 sqrt}def gsave .5 .5 scale z .5 mul 42 translate 24 setlinewidth .87 .97 .87 setrgbcolor 0 0 100 330 90 arcn z 0 100 90 210 arcn z 1
First pagePrevious pageNext pageLast page