Original file (SVG file, nominally 608 × 608 pixels, file size: 586 bytes)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
| DescriptionSquircle2.svg |
English: Not quite exact rendering of squircle mathematical curve (defined by the equation x4+y4=r4) in SVG using cubic bezier curves.
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| Date | (original version); 2011-11-9 (new version) |
| Source | Made from vector PostScript source code given below |
| Author | User:AnonMoos (Original version by en:User:SyntaxError55) |
| Permission (Reusing this file) |
PD |
| Other versions |
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Generated from the following vector PostScript source code (in the displayed PostScript, places where the purple is visible behind the black indicate slight deviations from a mathematically-exact squircle):
%!
306 306 translate/r4 288 dup mul dup mul def/midp r4 2 div
sqrt sqrt def/crcx{2 0 360 arc closepath fill}def/q{dup dup
mul dup mul r4 sub neg sqrt sqrt}def gsave 1 0 1 setrgbcolor
4{0 1 242{q crcx}for 0 1 242{q exch crcx}for midp midp crcx
90 rotate}repeat grestore 4 setlinewidth/x 126.2 def/y midp
2 mul 288 sub def 0 288 moveto x 288 y 288 midp midp curveto
288 y 288 x 288 0 curveto 288 x neg 288 y neg midp midp neg
curveto y -288 x -288 0 -288 curveto x neg -288 y neg -288
midp neg midp neg curveto -288 y neg -288 x neg -288 0
curveto -288 x -288 y midp neg midp curveto y neg 288 x neg
288 0 288 curveto closepath stroke showpage
%EOF
| Public domainPublic domainfalsefalse |
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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. |
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:58, 10 November 2011 | | 608 × 608 (586 bytes) | AnonMoos | more exact approximation |
| 05:09, 10 November 2011 |  | 608 × 608 (584 bytes) | AnonMoos | remake file from scratch with more exact geometric definition (8 beziers instead of 4 -- see PostScript). | |
| 16:57, 9 November 2011 |  | 600 × 600 (948 bytes) | AnonMoos | adjusting margins, increasing stroke width, for better display in articles... | |
| 22:26, 14 March 2008 |  | 544 × 542 (2 KB) | Rky | {{Information |Description={{en|This is my attempt to supersed [[:en::Image:Squircle.png]]. The original is CC, so so is this one.}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia]; Transfer was stated to be made by User:Rky. |Date=200 |
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
| Short title | Squircle: x to 4th plus y to 4th equals radius to 4th |
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