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%%
%% Ein DANTE-Edition Beispiel
%%
%% Beispiel 01-01-6 auf Seite 7.
%%
%% Copyright (C) 2010 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) 1,2,3
\documentclass[a4paper,11pt]{articlereport}
\pagestyle{empty}
\setcounter{page}{6}
\usepackage{xcolor,url}
\usepackage[pdftex,screen,rightpanel,code,paneltoc,sectionbreak]{pdfscreen}
\usepackage[scaled]{helvet}
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\definecolor{orange}{rgb}{1,.549,0}
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\def\NNext{\fbox{\hbox to
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{\color{button}\Next}\fi}\hfil
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\normalsfcodes%
\centering%
\null\vspace*{18pt}%
\ifnum\thepage=2\relax\else
\scalebox{1}[1.2]{\Huge\color{section1}Graphics with}
\scalebox{1}[1.2]{\huge\color{section1} \textsf{PSTricks}}\\[9pt]\fi
\if@paneltoc%
\@panel@toc\else\relax\fi%
\par\vfill
\begingroup\color{white}
\scalebox{1}[1.15]{\Large\bfseries Online \LaTeX{} Tutorial}\\[6pt]
\scalebox{1}[1.15]{\huge\bfseries Part II -- Graphics}\\
\endgroup
\par\vfill
\begin{minipage}{3in}
\small\color{gray6}\raggedright\sffamily
\copyright2002, The Indian \TeX{} Users Group\\
This document is generated by \textsc{pdf}\TeX{} with hyperref,
pstricks, pdftricks and pdfscreen packages in an intel \textsc{pc}
running \textsc{gnu/linux} and is released under \textsc{lppl}
\end{minipage}\\[6pt]
\begin{minipage}[b]{.55in}
\href{http://www.tug.org.in/}{\includegraphics[width=.54in,height=.75in]{images/pdfscreen/tex}}%
\end{minipage}
\begin{minipage}[b]{2.4in}\color{gray6}%
\normalsize\rmfamily%
{\bfseries The Indian \TeX{} Users Group}\\
\footnotesize Floor \textsc{iii, sjp} Buildings, Cotton Hills\\
\footnotesize Trivandrum 695014, \textsc{india}\\[-4pt]
\rule{2.24in}{1pt}\vskip-3pt
\protect\url{http://www.tug.org.in}
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\usepackage[pdftex,screen,rightpanel,code,paneltoc,sectionbreak]{pdfscreen}
\panelwidth=3.5in \margins{.75in}{.75in}{.75in}{.75in} \screensize{220mm}{297mm}
\hypersetup{pdfcenterwindow=true,pdfpagemode=FullScreen}
\paneloverlay{images/pdfscreen/mp}
\begin{document}
\pagedissolve{Replace} \huge
\overlay{images/pdfscreen/pst}
\begin{slide}
\centering
\includegraphics[width=.7\linewidth]{images/pdfscreen/Tore3d}
\end{slide}
\newpage
\overlay{images/pdfscreen/mpgraph.mps}
\chapter{Graphics with PSTricks}
\noindent
\LaTeX\ has only limited drawing capabilities, while Post\-Script is a
page description language which has a rich set of drawing commands;
and there are programs (such as \textsf{dvips}) which translate the
\texttt{dvi} output to Post\-Script. So, the natural question is whether
one can include pure PostScript code in a \TeX\ source file itself for
programs such as \textsf{dvips} to process after the \TeX\
compilation? This is the idea behind the \textsf{PSTricks} package of
Timothy Van Zandt. The beauty of it is one need not know PostScript to
use it---the necessary PostScript code can be generated by \TeX\
macros defined in the package.
\section{Getting the points}
Any picture is drawn by stringing together appropriate points. How do
we specify the points we need? We've a method of specifying each point
in a plane using a pair of numbers, thanks to the
17\textsuperscript{th} century French mathematicians Pierre de Fermat
and Ren\'e Descartes. The method is to fix a pair of perpendicular
lines (called \emph{axes}) and label each point with the numbers
representing its distance from these two points (called
\emph{coordinates}) as shown in the figure below:
\end{document}
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