%% Ein Beispiel der DANTE-Edition

%%
%% Ein Beispiel der DANTE-Edition
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%% 7. Auflage
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%% Beispiel 29-04-1 auf Seite 652.
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%% 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
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pstricks-add}
\definecolor[ps]{bl}{rgb}{tx@addDict begin Red Green Blue end}
%StopShownPreambleCommands
\begin{document}
\psset{unit=1bp}
\begin{pspicture}(0,-30)(400,100)
\multido{\iLAMBDA=0+1}{400}{%
\pstVerb{
\iLAMBDA\space 379 add dup /lambda exch def
tx@addDict begin wavelengthToRGB end
}%
\psline[linecolor=bl](\iLAMBDA,0)(\iLAMBDA,100)}
\psaxes[yAxis=false,Ox=350,dx=50bp,
Dx=50]{->}(-29,-10)(420,100)[{$\lambda$[\textsf{nm}]},-90][ ,0]
\end{pspicture}
\end{document}