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+<html lang="en">
+<head>
+<title>About sketch - Sketch</title>
+<meta http-equiv="Content-Type" content="text/html">
+<meta name="description" content="Sketch">
+<meta name="generator" content="makeinfo 4.7">
+<link title="Top" rel="start" href="index.html#Top">
+<link rel="prev" href="index.html#Top" title="Top">
+<link rel="next" href="Introduction-by-example.html#Introduction-by-example" title="Introduction by example">
+<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
+<!--
+Copyright (C) 2005, 2006, 2007, 2008 Eugene K. Ressler.
+
+This manual is for `sketch', version 0.2 (build 131),
+Saturday, August 09, 2008, a program that converts descriptions of simple
+three-dimensional scenes into static drawings. This version generates
+`PSTricks' or `PGF/TikZ' code suitable for use with the
+TeX document processing system.
+
+`Sketch' is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+Sketch is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with `sketch'; see the file COPYING.txt. If not, see
+http://www.gnu.org/copyleft.-->
+<meta http-equiv="Content-Style-Type" content="text/css">
+<style type="text/css"><!--
+ pre.display { font-family:inherit }
+ pre.format { font-family:inherit }
+ pre.smalldisplay { font-family:inherit; font-size:smaller }
+ pre.smallformat { font-family:inherit; font-size:smaller }
+ pre.smallexample { font-size:smaller }
+ pre.smalllisp { font-size:smaller }
+ span.sc { font-variant:small-caps }
+ span.roman { font-family: serif; font-weight: normal; }
+--></style>
+</head>
+<body>
+<div class="node">
+<p>
+<a name="About-sketch"></a>Next:&nbsp;<a rel="next" accesskey="n" href="Introduction-by-example.html#Introduction-by-example">Introduction by example</a>,
+Previous:&nbsp;<a rel="previous" accesskey="p" href="index.html#Top">Top</a>,
+Up:&nbsp;<a rel="up" accesskey="u" href="index.html#Top">Top</a>
+<hr><br>
+</div>
+
+<!-- node-name, next, previous, up -->
+<h2 class="chapter">1 About sketch</h2>
+
+<ul class="menu">
+<li><a accesskey="1" href="Reporting-bugs.html#Reporting-bugs">Reporting bugs</a>: Let use know what's wrong!
+<li><a accesskey="2" href="Contributions.html#Contributions">Contributions</a>: How you can help....
+</ul>
+
+<p><code>Sketch</code> is a small, simple system for producing line drawings of
+two- or three-dimensional objects and scenes. It began as a way to
+make illustrations for a textbook after we could find no suitable
+tool for this purpose. Existing scene processors emphasized GUIs
+and/or photo-realism, both un-useful to us. We wanted to produce
+finely wrought, mathematically-based illustrations with no extraneous
+detail.
+
+ <p><code>Sketch</code> accepts a tiny scene description language and generates
+<code>PSTricks</code> or <code>TikZ/PGF</code> code for LaTeX. The
+<code>sketch</code> language is similar to <code>PSTricks</code>, making it easy
+to learn for current <code>PSTricks</code> users. See
+<a name="index-PSTricks-1"></a><tt>www.pstricks.de</tt> for information on <code>PSTricks</code>.
+<code>TikZ/PGF</code> are also very similar except for details of syntax.
+See
+<a name="index-TikZ_002fPGF-2"></a><tt>http://sourceforge.net/projects/pgf</tt>. One can easily lay raw
+<code>PSTricks</code> or <code>TikZ/PGF</code> output over, in, or under
+<code>sketch</code> drawings, providing the full power of LaTeX text and
+mathematics formatting in a three-dimensional setting.
+
+ </body></html>
+