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author | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
commit | ad547a6b5986815fda458221149728d9d9ab1d87 (patch) | |
tree | 16296910eb3eca724371474ea9aea3994dc69614 /Build/source/utils/asymptote/examples/polarcircle.asy | |
parent | 947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (diff) |
restore Build,TODO from r57911
git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/asymptote/examples/polarcircle.asy')
-rw-r--r-- | Build/source/utils/asymptote/examples/polarcircle.asy | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/examples/polarcircle.asy b/Build/source/utils/asymptote/examples/polarcircle.asy new file mode 100644 index 00000000000..ce7ed948199 --- /dev/null +++ b/Build/source/utils/asymptote/examples/polarcircle.asy @@ -0,0 +1,30 @@ +import math; +import graph; +size(0,100); + +real f(real t) {return 2*cos(t);} +pair F(real x) {return (x,f(x));} + +draw(polargraph(f,0,pi,operator ..)); + +defaultpen(fontsize(10pt)); + +xaxis("$x$"); +yaxis("$y$"); + +real theta=radians(50); +real r=f(theta); +draw("$\theta$",arc((0,0),0.5,0,degrees(theta)),red,Arrow,PenMargins); + +pair z=polar(r,theta); +draw(z--(z.x,0),dotted+red); +draw((0,0)--(z.x,0),dotted+red); +label("$r\cos\theta$",(0.5*z.x,0),0.5*S,red); +label("$r\sin\theta$",(z.x,0.5*z.y),0.5*E,red); +dot("$(x,y)$",z,N); +draw("r",(0,0)--z,0.5*unit(z)*I,blue,Arrow,DotMargin); + +dot("$(a,0)$",(1,0),NE); +dot("$(2a,0)$",(2,0),NE); + + |