%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel 35-00-52 auf Seite 839.
%% 
%%  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,pst-coil}
%StopShownPreambleCommands
\begin{document}
\circlenode*{A}{A}\hfill\circlenode{B}{B}
\nccoil[coilaspect=0,coilheight=2.5,coilwidth=.5,%
	coilarm=0.45cm,arrowscale=2,linecolor=cyan]{->}{A}{B}

\circlenode{A}{A}\hfill\circlenode*{B}{B}
\nccoil[coilaspect=0,coilheight=.5,coilwidth=.5,%
	coilarm=0.5cm,arrowscale=2,linecolor=red]{->}{A}{B}

\circlenode{A}{A}\hfill\circlenode{B}{B}
\nccoil[coilheight=.5,coilwidth=.5,%
	coilarm=0.5cm,arrowscale=2,linecolor=blue]{->}{A}{B}
\end{document}