%manuel de featpost
input mp-solid

figureespace(-10u,-10u,10u,10u);
Initialisation(1500,50,30,40);
arcenciel:=true;
incolor:=0.5[gris,white];
draw SurfZ("cos(X)*cos(Y)+4*mexp(-(X**2+Y**2)*6.4)",-2*pi,2*pi,-2*pi,2*pi,60,120);
finespace;
end