%% 
%%  A DANTE-Edition example
%% 
%%  Example 16-04-18 on page 248.
%% 
%%  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}(4,4)
 \rput[tl](0,4){\rnode{A}{\psframebox{node A}}}
 \rput[br](4,0){\ovalnode{B}{node B}}
 \ncangles[angleA=-90,angleB=135,armA=1cm,armB=.5cm,
   linearc=.15]{A}{B}
 \nput[labelsep=0]{-90}{A}{\psarcn(0,0){.4cm}{0}{-90}
 \uput{.4cm}[-45](0,0){\texttt{angleA}}
 \rput[tr](-2pt,0){\valign{\vfil#\vfil\cr
  \hbox{\texttt{armA}\kern 1pt}\cr
  \hbox{\psscaleboxto(.28,.95cm){\{}}\cr\cr}}}
 \nput[labelsep=0]{135}{B}{\psarc(0,0){.4cm}{0}{133}
  \uput{.4cm}[50.5](0,0){\texttt{angleB}}}
 \ncput[nrot=:L,npos=2]{%
    \psline(0,-0.35)(-0.35,-0.35)(-0.35,0)}
  \ncput[npos=3.5]{%
    \rput[r](-.8,0){\rnode{arm}{\texttt{armB}}}
 \pnode{brak}}  \ncline[nodesep=3pt]{->}{arm}{brak}
\end{pspicture}
\end{document}
