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1 files changed, 22 insertions, 0 deletions

diff --git a/graphics/asymptote/examples/sin3.asy b/graphics/asymptote/examples/sin3.asy
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+++ b/graphics/asymptote/examples/sin3.asy
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+import graph3;
+import palette;
+
+size(12cm,IgnoreAspect);
+currentprojection=orthographic(1,-2,1);
+
+real f(pair z) {return abs(sin(z));}
+
+real Arg(triple v) {return degrees(cos((v.x,v.y)),warn=false);}
+
+surface s=surface(f,(-pi,-2),(pi,2),20,Spline);
+
+s.colors(palette(s.map(Arg),Wheel()));
+draw(s,render(compression=Low,merge=true));
+
+real xmin=point((-1,-1,-1)).x;
+real xmax=point((1,1,1)).x;
+draw((xmin,0,0)--(xmax,0,0),dashed);
+
+xaxis3("$\mathop{\rm Re} z$",Bounds,InTicks);
+yaxis3("$\mathop{\rm Im} z$",Bounds,InTicks(beginlabel=false));
+zaxis3("$|\sin(z)|$",Bounds,InTicks);