%% 
%%  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{pstricks,pst-3dplot}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-3,-1.5)(7.5,3)
  \psset{Alpha=60,Beta=10}
  \pstThreeDCoor[xMax=5,yMax=8,zMax=3]
  \pstThreeDPut(4,4,0){\pstParaboloid[increment=20]{2}{3}}
  \pstThreeDDot[drawCoor](4,4,0)
  \pstThreeDPut(2,7,2){\pstParaboloid[increment=6]{1.5}{1.5}}
  \pstThreeDDot[drawCoor](2,7,2)
\end{pspicture}%
\end{document}