%%
%% Ein Beispiel der DANTE-Edition
%%
%% 7. Auflage
%%
%% Beispiel 29-04-2 auf Seite 653.
%%
%% Copyright (C) 2016 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}
