import graph3;
import palette;
size(200);
currentprojection=orthographic(4,2,4);
triple f(pair z) {return expi(z.x,z.y);}
surface s=surface(f,(0,0),(pi,2pi),10,Spline);
draw(s,mean(palette(s.map(zpart),BWRainbow())),black,nolight,render(merge=true));
Generated by dwww version 1.15 on Thu Jun 20 14:12:16 CEST 2024.