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%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 5-13-21 on page 289.
%% 
%%  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{135.83385pt}
\StartShownPreambleCommands
\usepackage{pstricks,pst-plot}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid=true](3,4)
  \pscustom[linewidth=2pt]{%
    \translate(0,3)
    \psplot{0}{3}{x 180.0 mul 1.5 div sin}
    \closedshadow[shadowsize=10pt,shadowangle=-30,
                  shadowcolor=blue]}
  \pscustom[linewidth=2pt,fillcolor=red,
            fillstyle=none]{% <-- no effect!
    \translate(0,1.5)
    \psplot{0}{3}{x 180.0 mul 1.5 div sin}
    \closedshadow[shadowsize=10pt,shadowangle=-30,
                  shadowcolor=blue]}
\end{pspicture}
\end{document}