%% 
%%  Ein Beispiel der DANTE-Edition
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%%  7. Auflage
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%%  Beispiel 15-04-9 auf Seite 275.
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%%  Copyright (C) 2016 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
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-node} \psset{arrowscale=1.5}
%StopShownPreambleCommands
\begin{document}
\parbox{3cm}{\circlenode{X}{X}\\[1cm]
  \circlenode{Y}{Y}\ncbarr[angleA=0,arrows=->,arrowscale=2]{X}{Y}}
\parbox{4cm}{\ovalnode[fillcolor=red!50,fillstyle=solid]{X}{Xxxxx}\\[1.5cm]
  \circlenode{Y}{Yyyy}\ncbarr[angleA=180,arm=1cm,arrows=->,arrowscale=2]{X}{Y}}
\end{document}