%%
%%  Ein Beispiel der DANTE-Edition
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%%  7. Auflage
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%%  Beispiel 12-01-5 auf Seite 158.
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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{145.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-node}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(0,1)(3,3)
\rput[lb](0,2.5){\rnode{A}{PSTricks} ist \rnode{B}{PS}}
\psline[linecolor=red](0,1)(3,1)\psset{linecolor=blue}
\psline{->}(A)(A|0,1)\psline{->}(B)(B|0,1)
\end{pspicture}
\end{document}