%% 
%%  A DANTE-Edition example
%% 
%%  Example 16-06-4 on page 255.
%% 
%%  Copyright (C) 2011 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[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}

\usepackage{pstricks,pst-node}

\begin{document}
\begin{pspicture}(3,3)
  \cnode(0.5,0.5){0.5cm}{A}
  \cnode(2.9,2.9){0.1cm}{B}
  \ncline[linewidth=0.1pt]{<->}{A}{B}
  \ncput{\textbf{n}}
  \thput{\texttt{t}}
\end{pspicture}
\end{document}
