%% 
%%  Ein Beispiel der DANTE-Edition
%% 
%% 
%%  Copyright (C) 2010 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[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-solides3d}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-7,-7)(10,12)
\psset[pst-solides3d]{viewpoint=20 5 10,Decran=30,lightsrc=20 10 5}
\psSolid[object=grille,base=-2 2 -2 2,linecolor=white](0,0,-2)
\defFunction{cone}(u,v){u v Cos mul}{u v Sin mul}{u}
\psSolid[object=surfaceparametree,base=-2 2 0 2 pi mul, inhue=0.8 0.2,hue=0.8 0.2,
  function=cone,linewidth=0.01,ngrid=25 40]
\gridIIID[Zmin=-2,Zmax=2](-2,2)(-2,2)[3,0.5,1]
\end{pspicture}
\end{document}
