%%
%% Ein Beispiel der DANTE-Edition
%%
%% 7. Auflage
%%
%% Beispiel 15-04-5 auf Seite 273.
%%
%% 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
%%
%%
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-node}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(3.5,2.5)
\rput(1.5,1.8){\ovalnode{A}{Wurzel}} \rput[lb](0,0){\ovalnode{B}{1}}
\rput[b](1.5,0){\ovalnode{C}{2}} \rput[rb](3,0){\ovalnode{D}{3}}
\ncline{->}{A}{B} \ncline{->}{A}{C} \ncline{->}{A}{D}
\end{pspicture} \qquad \begin{pspicture}(3.5,2.5)
\rput(1.5,1.8){\ovalnode{A}{Wurzel}} \rput[lb](0,0){\ovalnode{B}{1}}
\rput[b](1.5,0){\ovalnode{C}{2}} \rput[rb](3,0){\ovalnode{D}{3}}
\ncdiag[arm=0,angleA=80,angleB=-160]{<-}{B}{A} \ncline{->}{A}{C}
\ncdiag[arm=0,angleA=100,angleB=-20]{<-}{D}{A}
\end{pspicture}
\end{document}
