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%% 
%%  Ein Beispiel der DANTE-Edition
%% 
%% 
%%  Copyright (C) 2010 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[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pstricks-add,multido}%  Manuel Luque
\definecolor[ps]{bl}{rgb}{ tx@addDict begin  Red Green Blue end }
\newcommand\Touch{%
  \psframe[linestyle=none,fillstyle=solid,fillcolor=bl,dimen=middle](0.1,0.75)}
\StopShownPreambleCommands
\begin{document}
%  Maßstab 1cm <-> 40 nm
%          1nm <-> 0.025 cm
\psframebox[fillstyle=solid,fillcolor=black]{%
  \begin{pspicture}(-1,-0.5)(12,1.5)
    \multido{\iLAMBDA=380+2}{200}{%
      \pstVerb{ /lambda \iLAMBDA\space def
                lambda
                tx@addDict begin  wavelengthToRGB end }%
      \rput(! lambda 0.025 mul 9.5 sub 0){\Touch}}
  \multido{\n=0+1,\iDiv=380+40}{11}{%
    \psline[linecolor=white](\n,0.1)(\n,-0.1)
    \uput[270](\n,0){\textbf{\white\iDiv}}}
    \psline[linecolor=white]{->}(11,0)
    \uput[270](11,0){\textbf{\white$\lambda$(nm)}}
  \end{pspicture}}\par
\psframebox[fillstyle=solid,fillcolor=black]{%
\begin{pspicture}(-1,-0.5)(12,1)
  \pstVerb{ /lambda 656 def
            lambda
            tx@addDict begin  wavelengthToRGB end }%
  \rput(! 656 0.025 mul 9.5 sub 0){\Touch}
  \pstVerb{ /lambda 486 def
            lambda
            tx@addDict begin  wavelengthToRGB end }%
  \rput(! 486 0.025 mul 9.5 sub 0){\Touch}
  \pstVerb{ /lambda 434 def
            lambda
            tx@addDict begin  wavelengthToRGB end }%
  \rput(! 434 0.025 mul 9.5 sub 0){\Touch}
  \pstVerb{ /lambda 410 def
            lambda
            tx@addDict begin  wavelengthToRGB end }%
  \rput(! 410 0.025 mul 9.5 sub 0){\Touch}
  \multido{\n=0+1,\iDiv=380+40}{11}{%
    \psline[linecolor=white](\n,0.1)(\n,-0.1)
    \uput[270](\n,0){\textbf{\white\iDiv}}}
    \psline[linecolor=white]{->}(11,0)
    \uput[270](11,0){\textbf{\white$\lambda$(nm)}}
\end{pspicture}}
\end{document}