%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 2-3-4 on page 44.
%% 
%%  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{111.83385pt}
\setlength\unitlength{0.75pt}
\StartShownPreambleCommands
\usepackage[pstarrows]{pict2e}
\StopShownPreambleCommands
\begin{document}
\begin{picture}(170,50)
  \put(0,25){\vector(2,1){100}}
  \linethickness{10\unitlength}
  \put(0,25){\vector(1,0){100}} \put(170,25){\vector(1,0){0}}
\end{picture}
\end{document}