File:Squircle2.svg
Original file (SVG file, nominally 608 × 608 pixels, file size: 586 bytes)
Captions
Summary
[edit]DescriptionSquircle2.svg |
English: Not quite exact rendering of squircle mathematical curve (defined by the equation x4+y4=r4) in SVG using cubic bezier curves. |
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
Licensing
[edit]Public domainPublic domainfalsefalse |
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. |
Original upload log
[edit]- 2006-11-22 13:49 SyntaxError55 544×542×0 (1981 bytes) This is my attempt to supersed [[:Image:Squircle.png]]. The original is CC, so so is this one.
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:58, 10 November 2011 | 608 × 608 (586 bytes) | AnonMoos (talk | contribs) | more exact approximation | |
05:09, 10 November 2011 | 608 × 608 (584 bytes) | AnonMoos (talk | contribs) | 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 (talk | contribs) | adjusting margins, increasing stroke width, for better display in articles... | ||
22:26, 14 March 2008 | 544 × 542 (2 KB) | Rky (talk | contribs) | {{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 |
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File usage on Commons
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Metadata
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Short title | Squircle: x to 4th plus y to 4th equals radius to 4th |
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