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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /info/examples/PSTricks_en/33-03-16.ltx
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+%%
+%% A DANTE-Edition example
+%%
+%% Example 33-03-16 on page 692.
+%%
+%% Copyright (C) 2011 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[]{article}
+\pagestyle{empty}
+\setlength\textwidth{201.70511pt}
+\setlength\parindent{0pt}
+
+\usepackage{pst-optic}
+
+\begin{document}
+\psset{unit=0.5}\begin{pspicture}(-1.5,-5.5)(10,5.5)
+ \rput(0,0){\beamLight[drawing=false,mirrorDepth=4.75,mirrorWidth=0.1,
+ mirrorHeight=10,linecolor=lightgray]}
+ \makeatletter \pst@getcoor{Focus}\pst@tempf \psset{linecolor=red}
+ \multido{\n=60+5}{18}{\mirrorCVGRay[linecolor=red,mirrorDepth=4.75,
+ mirrorHeight=10](Focus)(! /XF \pst@tempf pop \pst@number\psxunit div def
+ \n\space cos XF add \n\space sin neg){Endd1}
+ \psOutLine[arrows=->,length=.25](Endd1)(Endd1''){Endd2}
+ \mirrorCVGRay[linecolor=red,mirrorDepth=4.75,mirrorHeight=10](Focus)(!
+ /XF \pst@tempf pop \pst@number\psxunit div def
+ \n\space cos XF add \n\space sin ){End1}
+ \psOutLine[arrows=->,length=.25](End1)(End1''){End2}}
+ \makeatother
+\end{pspicture}
+\end{document}