%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 6-2-12 on page 340.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  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.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{159.83385pt}
\StartShownPreambleCommands
\usepackage{pstricks,pst-node}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid=true](3,3)
  \rput(0.25,0.5){\dotnode[linecolor=red,%
      dotscale=3]{A}}
  \rput(2.5,2.5){\dotnode*[linecolor=blue,%
      dotstyle=triangle*]{B}}
  \ncline[nodesep=5pt]{A}{B}
  \rput(0.25,2.5){\dotnode[dotscale=3,%
      dotstyle=pentagon*]{A}}
  \rput(2.5,0.5){\dotnode[linecolor=blue,%
      dotscale=2,dotstyle=triangle*]{B}}
  \ncline[nodesep=5pt]{A}{B}
\end{pspicture}
\end{document}