%% 
%%  A DANTE-Edition example
%% 
%%  Example 29-02-25 on page 576.
%% 
%%  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{153.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-eucl}

\begin{document}
\begin{pspicture}(-2,-2)(2,2)
  \pstGeonode[PosAngle={0,0,0,180}]%
    (-1.5,-1.5){A}(1.5,1.5){B}(1.5,0){C}(.5,1.5){D}
  {\psset{linecolor=blue,nodesep=-.5,
    linewidth=1pt}
   \pstLineAB{A}{B}\pstLineAB{C}{D}}
  \pstInterLL[dotscale=2,
    labelsep=10pt]{A}{B}{C}{D}{IP}
\end{pspicture}
\end{document}