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diff --git a/Master/texmf-dist/doc/asymptote/examples/sphericalharmonic.asy b/Master/texmf-dist/doc/asymptote/examples/sphericalharmonic.asy
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+import graph3;
+import palette;
+size(200);
+
+currentprojection=orthographic(4,2,4);
+currentlight=Viewport;
+
+real r(real theta, real phi) {return 1+0.5*(sin(2*theta)*sin(2*phi))^2;}
+
+triple f(pair z) {return r(z.x,z.y)*expi(z.x,z.y);}
+
+surface s=surface(f,(0,0),(pi,2pi),50,Spline);
+s.colors(palette(s.map(abs),Gradient(yellow,red)));
+draw(s,render(compression=Low,merge=true));