\documentclass{article} \usepackage{pstricks,pstricks-add,pst-solides3d} \pagestyle{empty} \begin{document} \begin{center} %\psset{unit=0.75} \psset{lightsrc=30 -10 10,linewidth=0.5\pslinewidth} \multido{\r=1+1}{60}{ \psset{SphericalCoor,viewpoint=30 \r\space 30,Decran=50} \begin{pspicture}(-5,-5)(5,5) \psSurface[ fillcolor=cyan!50,algebraic, ngrid=.25 .25,incolor=yellow, Zmin=-4,Zmax=4,](-4,-4)(4,4){% 10*(x^3+x*y^4-x/5)*Euler^(-(x^2+y^2))+Euler^(-((x-1.225)^2+y^2)) } \end{pspicture} \newpage } \end{center} \end{document}