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File:8crossings-rose-limacon-knot.svg

From Wikipedia, the free encyclopedia

Original file(SVG file, nominally 642 × 600 pixels, file size: 34 KB)

Summary

Description

Decorative symmetric knot with eight crossings. 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=(2/5) and b=(8/5).

Extends the symmetrical form of the mathematical figure-8 knot (File:Figure8knot-rose-limacon-curve.svg).
Date
Source

Self-made graphic, generated from the following vector PostScript source-code:

%!
300 396 translate -45 rotate 77.5 dup scale .125 setlinewidth .92
.96 1 setrgbcolor/z{{w lineto}for stroke}def/ecc{1.6}def/w{/th
exch def th 2 mul 5 div/x exch def x sin ecc add th cos mul x sin
ecc add th sin mul}def/y{dup w moveto 1 add 1}def 0 y 1800{w
lineto}for closepath gsave 0 setgray .325 setlinewidth stroke
grestore stroke 0 setgray .325 setlinewidth 24 y 68 z 276 y 352 z
472 y 516 z 728 y 800 z 924 y 968 z 1176 y 1252 z 1372 y 1416 z
1628 y 1700 z .125 setlinewidth .92 .96 1 setrgbcolor 23 y 69 z
275 y 353 z 471 y 517 z 727 y 801 z 923 y 969 z 1175 y 1253 z
1371 y 1417 z 1627 y 1701 z showpage
%EOF
Author AnonMoos

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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image/svg+xml

cb31ef57f9313e15739f682a7ba521734853ffc4

34,717 byte

600 pixel

642 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current04:25, 6 August 2022Thumbnail for version as of 04:25, 6 August 2022642 × 600 (34 KB)Smasongarrisonslimmed down with svgomg // Editing SVG source code using c:User:Rillke/SVGedit.js
02:53, 27 February 2010Thumbnail for version as of 02:53, 27 February 2010642 × 600 (52 KB)AnonMoosDecorative symmetric knot with eight crossings. 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=(2/5) and b=(8/5). Extends the symme
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Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.