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%%
%% A DANTE-Edition example
%%
%%
%% 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{375.57637pt}
\setlength\parindent{0pt}
\usepackage{pstricks-add}\psset{yunit=0.75cm,xunit=1.1cm}
\begin{document}
\begin{pspicture}[showgrid](-2,-3.4)(3,3.4)
\pnode(-1,0){A}\pnode(3,2){B}\psline[linecolor=red](A)(B)
\psRelLine[linecolor=blue,angle=30](-1,0)(B){0.5}{EndNode}\qdisk(EndNode){2pt}
\psRelLine[linecolor=blue,angle=-30](A)(B){0.5}{EndNode}\qdisk(EndNode){2pt}
\psRelLine[linecolor=magenta,angle=90](-1,0)(3,2){0.5}{EndNode}\qdisk(EndNode){2pt}
\psRelLine[linecolor=magenta,angle=-90](A)(B){0.5}{EndNode}\qdisk(EndNode){2pt}
\end{pspicture}\hfill
\begin{pspicture}[showgrid](-2,-3.4)(3,3.4)
\pnode(-1,0){A}\pnode(3,2){B}\psline[linecolor=red](A)(B)
\psarc[linestyle=dashed](A){2.4}{-90}{135} \psset{trueAngle}
\psRelLine[linecolor=blue,angle=30](-1,0)(B){0.5}{EndNode}\qdisk(EndNode){2pt}
\psRelLine[linecolor=blue,angle=-30](A)(B){0.5}{EndNode} \qdisk(EndNode){2pt}
\psRelLine[linecolor=magenta,angle=90](-1,0)(3,2){0.5}{EndNode}\qdisk(EndNode){2pt}
\psRelLine[linecolor=magenta,angle=-90](A)(B){0.5}{EndNode}\qdisk(EndNode){2pt}
\end{pspicture}
\end{document}
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