%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
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%%  Beispiel 29-02-3 auf Seite 636.
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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{121.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pstricks-add} \psset{xunit=0.67cm}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid=true](-1,0)(3,2)
  \pnode(-1,0){A}\pnode(3,2){B}\psline[linestyle=dashed](A)(B)
  \psRelLine[angle=30,trueAngle,linewidth=1.5pt](A)(B){0.5}{E}
  \qdisk(E){3pt}\uput[0](E){E}
  \psarc[nodesep=0]{<-}(-1,0){1.67}{36.73}{66.73}
\end{pspicture}
\end{document}
