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    <h1 class="module">TiogaDoc</h1>

    <div id="description" class="description">
      
<pre>Copyright (C) 2005, 2006, 2007  Bill Paxton

This file is part of Tioga.

Tioga is free software; you can redistribute it and/or modify
it under the terms of the GNU General Library Public License as published
by the Free Software Foundation; either version 2 of the License, or
(at your option any later version.

Tioga 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 Library General Public License for more details.

You should have received a copy of the GNU Library General Public License
along with Tioga; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</pre>

<h3><a href="Tioga.html">Tioga</a></h3>

<p><img src="images/Icon.png" /></p>

<p><a href="Tioga.html">Tioga</a> is a program for creating figures and plots
using Ruby, PDF, and TeX.</p>

<p>It was originally designed, implemented, and documented by <a
href="http://www.kitp.ucsb.edu/~paxton/">Bill Paxton</a>. <a
href="http://vince-debian.blogspot.com">Vincent Fourmond</a> has also been
an active developer of <a href="Tioga.html">Tioga</a> for sometime now.</p>

<p>The tioga kernel is a <a
href="http://www.rubycentral.com/misc/intro.html">Ruby</a>  extension
providing a set of classes and modules for producing output with graphics
using <a href="http://www.adobe.com/products/postscript/pdf.html">PDF</a>
functionality (including Bezier curves, clipping, images, shading, and
transparency), and with text typesetting using the full abilities of TeX
(well, actually, <a href="http://www.latex-project.org/">LaTeX</a>).</p>

<p>You write Ruby programs for specifying the content of the figures and
plots, and tioga puts the graphics into a PDF file and the text into a TeX
file.  These get combined when you include the figure or plot in a TeX
document by placing the graphics in a box first and then adding a layer
with the text on top of the graphics.</p>

<p>The <a
href="http://tioga.rubyforge.org/doc/classes/Tioga/Tutorial.html">Tutorial</a>
will get you started,  and the <a
href="http://tioga.rubyforge.org/doc/classes/Tioga.html">FigureMaker</a>
reference material will keep you going.   For your first visit, you should
read on to see about licenses, credits, etc.</p>

<h1>Open Source Licenses</h1>

<p><a href="Tioga.html">Tioga</a> is free software.  Source code for the
kernel is available at the website under the terms of the <a
href="http://www.gnu.org/licenses/licenses.html#LGPL">GNU Lesser General
Library Public License</a>.</p>

<p>The tioga documentation is also freely available, both in this on-line
form, and for downloading (from my <a
href="http://www.kitp.ucsb.edu/~paxton/">website</a>), copying, and
redistribution, under the terms of the <a
href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation
License</a>.</p>

<pre>Copyright (c)  2005, 2006  Bill Paxton.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.2
or any later version published by the Free Software Foundation;
with no Invariant Sections, no Front-Cover Texts,
and no Back-Cover Texts.  A copy of the license is included in
the section entitled &quot;GNU Free Documentation License&quot;.</pre>

<p>All the example code in the documentation is freely available under the
same terms as the tioga source code (<a
href="http://www.gnu.org/licenses/licenses.html#GPL">GNU General Public
License</a>). Please copy, modify, and use the examples in any way that you
find useful.</p>

<h1>What does "tioga" stand for anyway?</h1>

<p>The name "tioga" is not an acronym.  It is the name of a beautiful, high
mountain pass at the east entrance to  Yosemite National Park in California
(elevation 9,945 feet, 3,031 meters; location N 37.91, W 119.26).  "Tioga"
is actually a term used by the Mohawk Tribe of the Iroquois Confederation
in New York and Pennsylvania.   It means literally "where it forks",
perhaps a prescient reference to the split sending graphics to PDF and text
to TeX.</p>

<p><img src="images/Tioga_Pass_Yosemite.png" /></p>

<h1>With special thanks to:</h1>

<p><a href="http://theory.kitp.ucsb.edu/~bildsten">Lars Bildsten</a> and his
group at UCSB for being my inspiration for doing this project.</p>

<p><a href="http://www.ids.ias.edu/~piet/index.html">Piet Hut</a> for
introducing me to Ruby and being enthousiastic about my efforts.</p>

<p>The Adobe team for making it all possible (<a
href="http://www.adobe.com/aboutadobe/pressroom/executivebios/charlesgeschke.html">Chuck</a>
and <a
href="http://www.adobe.com/aboutadobe/pressroom/executivebios/johnwarnock.html">John</a>,
especially).</p>

<p>The NeXT team for doing wonders with <a
href="http://en.wikipedia.org/wiki/Display_PostScript">Display
PostScript</a>.</p>

<p>Steve Jobs for taking Apple to the "next step" of greatness.</p>

<p>Apple for Mac OS X and all the excellent on-line documentation.</p>

<p><a href="http://www-cs-faculty.stanford.edu/~knuth/">Don Knuth</a> and all
the others who've made TeX so neat.</p>

<p>Han The Thanh, Petr Sojka, and Jiri Zlatuska for <a
href="http://www.tug.org/applications/pdftex/">pdfTeX</a> which combines
the best and the best.</p>

<p>Yukihiro Matsumoto for <a href="http://www.ruby-lang.org/en/">Ruby</a>
which has become my language-of-choice.</p>

<p>Dave Thomas for his "must have" book, <a
href="http://www.ruby-doc.org/docs/ProgrammingRuby/">Programming Ruby</a>.</p>

<p>Michael Beam for his <a
href="http://www.oreillynet.com/articles/author/159">articles on Cocoa</a>.</p>

<p>Simson Garfinkel &amp; Michael Mahoney for their book, <a
href="http://www.oreilly.com/catalog/buildcocoa/">Building Cocoa
Applications</a>.</p>

<p>Aaron Hillegass for his book, <a
href="http://www.bignerdranch.com/products/cocoa1.shtml">Cocoa Programming
for Mac OS X</a>.</p>

<p><a href="http://astrowww.phys.uvic.ca/rsocs/irwin/">Alan Irwin</a> and the
rest of the <a href="http://plplot.sourceforge.net/">PLPLOT</a> team for
support and code.</p>

<p><a href="http://paginas.fe.up.pt/~jcard/">Joao Cardoso</a> whose pstex
driver for PLPLOT gave me the idea for PDF and TeX.</p>

<p>Jean-loup Gailly and Mark Adler for <a
href="http://www.gzip.org/zlib/">zlib</a> and <a
href="Flate.html">Flate</a>.</p>

<p>The <a href="http://www.uoregon.edu/~koch/texshop/texshop.html">TeXShop</a>
implementors for providing a model and a tool.</p>

<p>Dan Kelley for <a href="http://gri.sourceforge.net/">Gri</a> and the
wonderful contour following algorithm it provides.</p>

<p><a href="http://www.itp.ucsb.edu/">KITP</a> and <a
href="http://www.ucsb.edu/">UCSB</a> for giving me a place to play.</p>

<p>My wife, Kathlyn, for being patient as I ranted and raved my way to
completion.</p>
<hr style="height: 1px">
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<p>This document was created with <a
href="http://rdoc.sourceforge.net/doc/files/README.html">Rdoc</a>, the Ruby
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