%% A DANTE-Edition example

%%
%% A DANTE-Edition example
%%
%% Example 23-06-71 on page 420.
%%
%% Copyright (C) 2011 Herbert Voss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%
%%
%% ====
% Show page(s) 1
%%
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{225.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-solides3d}

\begin{document}
\psset{lightsrc=30 -10 10,
viewpoint=50 20 20 rtp2xyz,
Decran=10}
\begin{pspicture}(-4,-2)(4,4)
\psSurface[ngrid=0.4 0.4,algebraic,
axesboxed,Zmin=-2,Zmax=10,
grid=false,ticklength=0.5,
stepX=4,stepY=4,stepZ=2,hue=0 1]%
(-13,-13)(13,13)%
{10*sin(sqrt((x^2+y^2)))%
/(sqrt(x^2+y^2)) }
\end{pspicture}
\end{document}