File:Celtic-13crossings-knot-rectangular.png
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Celtic-13crossings-knot-rectangular.png (800 × 420 pixels, file size: 15 KB, MIME type: image/png)
Self-made graphic, declared to be in public domain, generated from a version of the following PostScript source code:
%!
300 396 translate 5.5 rotate
/x 5000 sqrt def/y x 2 div def
-241 96.1278 52.44 45 84.5 arc
-245.79 149.271 lineto
-1.5 x mul y 150 174.5 315 arc
1.5 x mul y neg 50 135 225 arcn
-1.5 x mul y 50 45 315 arc
1.5 x mul y neg 150 135 354.5 arcn
245.79 -149.271 lineto
241 -96.1278 52.44 264.5 225 arcn
-1.5 x mul y 100 45 315 arc
1.5 x mul y neg 100 135 225 arcn closepath
gsave 100 3 div setlinewidth stroke grestore
50 3 div setlinewidth .133 .733 .133 setrgbcolor stroke
0 setlinejoin 0 setgray 100 3 div setlinewidth
/A{-16 16 moveto 16 -16 lineto stroke}def A
gsave 0 x translate A grestore
gsave 0 x neg translate A grestore
gsave x 0 translate A grestore
gsave x neg 0 translate A grestore
gsave -2.5 x mul 1.5 x mul translate A grestore
gsave 2.5 x mul -1.5 x mul translate A grestore
/A{16 16 moveto -16 -16 lineto stroke}def
gsave y y neg translate A grestore
gsave y neg y translate A grestore
-1.5 x mul y 50 92 178 arc stroke
1.5 x mul y neg 50 272 358 arc stroke
-1.5 x mul y 100 302 315 arc 12 12 rlineto stroke
1.5 x mul y neg 100 122 135 arc -12 -12 rlineto stroke
50 3 div setlinewidth .133 .733 .133 setrgbcolor
/A{-17 17 moveto 17 -17 lineto stroke}def A
gsave 0 x translate A grestore
gsave 0 x neg translate A grestore
gsave x 0 translate A grestore
gsave x neg 0 translate A grestore
gsave -2.5 x mul 1.5 x mul translate A grestore
gsave 2.5 x mul -1.5 x mul translate A grestore
/A{17 17 moveto -17 -17 lineto stroke}def
gsave y y neg translate A grestore
gsave y neg y translate A grestore
-1.5 x mul y 50 90 180 arc stroke
1.5 x mul y neg 50 270 360 arc stroke
-1.5 x mul y 100 300 315 arc 13 13 rlineto stroke
1.5 x mul y neg 100 120 135 arc -13 -13 rlineto stroke
showpage
%EOF
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:16, 27 March 2012 | | 800 × 420 (15 KB) | AnonMoos (talk | contribs) | Self-made graphic, declared to be in public domain, generated from a version of the following PostScript source code: <pre>%! 300 396 translate 5.5 rotate /x 5000 sqrt def/y x 2 div def -241 96.1278 52.44 45 84.5 arc -245.79 149.271 lineto -1.5 x mul y 1 |
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