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+%%
+%% Ein Beispiel der DANTE-Edition
+%%
+%% 7. Auflage
+%%
+%% Beispiel 35-00-60 auf Seite 842.
+%%
+%% 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{pstricks,pst-node}
+\makeatletter
+\def\SpecialCnode{\@ifnextchar[{\SpecialCnode@i}{\SpecialCnode@i[]}}
+\def\SpecialCnode@i[#1](#2,#3)#4{{%
+ \psset{#1}
+ \cnode@ii(#2,#3){\psk@radius}{#4}%
+ \pst@dimc=\psk@radius%
+ \pnode(!#2 \pst@number\pst@dimc \pst@number\psxunit div sub #3){#4L}%
+ \pnode(!#2 \pst@number\pst@dimc \pst@number\psxunit div add #3){#4R}%
+ \pnode(!#2 #3 \pst@number\pst@dimc \pst@number\psyunit div add){#4T}%
+ \pnode(!#2 #3 \pst@number\pst@dimc \pst@number\psyunit div sub){#4B}%
+}}
+\makeatother
+%StopShownPreambleCommands
+\begin{document}
+
+\SpecialCnode[fillstyle=solid,fillcolor=blue!20,radius=0.75,linecolor=blue](1,0.8){d}
+\psdots(d)(dL)(dT)(dR)(dB)
+\uput[90](dT){dT}\uput[0](dR){dR}\uput[-90](dB){dB}\uput[180](dL){dL}
+%
+\SpecialCnode[fillstyle=solid,fillcolor=red!20,linecolor=red,radius=0.5](5,0.8){c}
+\psdots(c)(cL)(cT)(cR)(cB)
+\uput[90](cT){cT}\uput[0](cR){cR}\uput[-90](cB){cB}\uput[180](cL){cL}
+%
+\nccurve[angleA=90,angleB=180,ncurv=2,linecolor=green,linewidth=1pt]{cT}{dL}
+\nccurve[angleA=0,angleB=45,ncurv=2,linecolor=magenta,linewidth=1pt]{->}{cR}{dT}
+\end{document}