File:Squircle2.svg
Summary
| Description |
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
 |
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
The original description page was here. All following user names refer to en.wikipedia.
- 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.