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Diffstat (limited to 'Master/texmf/doc/asymptote/examples/shellmethod.asy')
-rw-r--r-- | Master/texmf/doc/asymptote/examples/shellmethod.asy | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/Master/texmf/doc/asymptote/examples/shellmethod.asy b/Master/texmf/doc/asymptote/examples/shellmethod.asy deleted file mode 100644 index c8e541f2a62..00000000000 --- a/Master/texmf/doc/asymptote/examples/shellmethod.asy +++ /dev/null @@ -1,41 +0,0 @@ -import graph3; -import solids; - -size(400); -currentprojection=perspective(0,-1,30,up=Y); -currentlight=light(gray(0.75),(0.25,-0.25,1),(0,1,0)); - -pen color=green; -real alpha=240; - -real f(real x) {return 2x^2-x^3;} -pair F(real x) {return (x,f(x));} -triple F3(real x) {return (x,f(x),0);} - -int n=10; -path3[] blocks=new path3[n]; -for(int i=1; i <= n; ++i) { - real height=f((i-0.5)*2/n); - real left=(i-1)*2/n; - real right=i*2/n; - blocks[i-1]= - (left,0,0)--(left,height,0)--(right,height,0)--(right,0,0)--cycle; -} - -path p=graph(F,0,2,n,operator ..)--cycle; -surface s=surface(p); -path3 p3=path3(p); - -render render=render(compression=0,merge=true); - -revolution a=revolution(p3,Y,0,alpha); -draw(surface(a),color,render); -draw(rotate(alpha,Y)*s,color,render); -for(int i=0; i < n; ++i) - draw(surface(blocks[i]),color+opacity(0.5),black,render); -draw(p3); - -xaxis3(Label("$x$",1,align=2X),Arrow3); -yaxis3(Label("$y$",1,align=2Y),ymax=1.4,dashed,Arrow3); -arrow("$y=2x^2-x^3$",XYplane(F(1.8)),X+Z,1.5cm,red,Arrow3(DefaultHead2)); -draw(arc(1.17Y,0.3,90,0,7.5,180),ArcArrow3); |