%% 
%%  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{190.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pstricks,multido}
\SpecialCoor
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-3,-3)(8,6)
  \psclip{\psline[linestyle=none](0,0)(0,3.2)(6,3.2)(0,0)}
    \multido{\rA=0.5+0.5}{11}{\multido{\rB=0.5+0.5}{7}{\psdot[dotscale=2,dotstyle=x](\rA,\rB)}}
  \endpsclip
  \rput[lt]{27}(0,0){%
    \psline[linewidth=3pt](0,0)(0,-3)
    \psline[linewidth=3pt](0,-1.5)(-1,-1.5)
    \psline[linewidth=3pt](6,0)(6,-3)
    \psline[linewidth=3pt](6,-1.5)(7,-1.5)
    \multido{\rA=0.0+0.3}{11}{\psline[linewidth=0.1pt,arrowscale=2]{<-}(0,-\rA)(6,-\rA)}
    \psline[linewidth=0.1pt,arrowscale=2]{->}(0,0)(8,0)}
  \psline[linewidth=1pt](-2,3)(0,3)
  \psline[linewidth=1pt]{->}(4.82,0)(8,0)
  \psarc(0,0){3}{30}{90}
  \psarcn(5.2,3){3}{-95}{-150}
  \psline[linewidth=1pt]{->}(3;30)(4.8,-3)
\end{pspicture}
\end{document}