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authorKarl Berry <karl@freefriends.org>2013-04-07 18:26:53 +0000
committerKarl Berry <karl@freefriends.org>2013-04-07 18:26:53 +0000
commitb04c2e1a42573e9735547702356c7b9a769a6855 (patch)
treec0753443f39500a062d7698fe6b94359c813f871 /Master/texmf-dist/doc/asymptote/examples/shellsqrtx01.asy
parentfb0bf13304a356f197bfc1add17f98c07e96f17b (diff)
texmf -> texmf-dist: doc
git-svn-id: svn://tug.org/texlive/trunk@29714 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/doc/asymptote/examples/shellsqrtx01.asy')
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diff --git a/Master/texmf-dist/doc/asymptote/examples/shellsqrtx01.asy b/Master/texmf-dist/doc/asymptote/examples/shellsqrtx01.asy
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+++ b/Master/texmf-dist/doc/asymptote/examples/shellsqrtx01.asy
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+import graph3;
+import solids;
+size(0,150);
+currentprojection=orthographic(1,0,10,up=Y);
+pen color=green;
+real alpha=-240;
+
+real f(real x) {return sqrt(x);}
+pair F(real x) {return (x,f(x));}
+triple F3(real x) {return (x,f(x),0);}
+
+path p=graph(F,0,1,n=30,operator ..)--(1,0)--cycle;
+path3 p3=path3(p);
+
+revolution a=revolution(p3,X,alpha,0);
+
+render render=render(compression=0,merge=true);
+draw(surface(a),color,render);
+draw(p3,blue);
+
+surface s=surface(p);
+draw(s,color,render);
+draw(rotate(alpha,X)*s,color,render);
+
+xaxis3(Label("$x$",1),xmax=1.25,dashed,Arrow3);
+yaxis3(Label("$y$",1),Arrow3);
+
+dot("$(1,1)$",(1,1,0));
+arrow("$y=\sqrt{x}$",F3(0.8),Y,0.75cm,red);
+
+real r=0.4;
+draw(F3(r)--(1,f(r),0),red);
+real x=(1+r)/2;
+
+draw("$r$",(x,0,0)--(x,f(r),0),X+0.2Z,red,Arrow3,PenMargin3);
+draw(arc(1.1X,0.4,90,90,3,-90),Arrow3);