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<!--$Id: Xy-pic.html,v 3.37 2011/03/14 20:14:00 krisrose Exp $-->
<title>Xy-pic Home Page</title>
<!--``Xy-pic home page.''
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%%
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<meta name="description"
      content="Xy-pic diagram drawing (La)TeX package home page.">
<meta name="keywords"
      content="xypic, TeX, LaTeX, commutative diagram, planar graph, flow chart">
</head>

<body lang="EN" bgcolor="#FFFFFF">
<center>
<h1>
<img src="Xy-logo.png" alt="Xy" width=95 height=111 align=center alt="Xy">-pic
&mdash;
Typesetting Graphs and Diagrams in TeX
</h1>
</center>

<p>
  Xy-pic is a package for typesetting graphs and diagrams using the
  principle of <q>logical composition of visual components.</q>  It is
  structured as several modules, each defining a mnemonic plain text
  notation for a particular kind of graphical object or structure.
  Example objects are arrows, curves, frames, and colouring/rotation
  on drivers that support it; these can be organised in matrix,
  directed graph, path, polygon, knot, and 2-cell structure (a more
  complete list of the features is given below).
<p>
  Xy-pic works with most formats, including all variants of LaTeX,
  AMS-TeX, and plain TeX, and has been used to typeset complicated
  diagrams from many application areas including category theory,
  automata theory, algebra, neural networks, topology (knots and
  braids), database theory, chemistry, and genealogy.
<p>
  Xy-pic has been designed with great care to allow the style of
  pictures to match well with the exquisite quality of the surrounding
  TeX typeset material.
</p>

<h2><a name="avail">Availability</a></h2>

<p>
  You can get Xy-pic from
  <a href="http://ctan.org/tex-archive/macros/generic/diagrams/xypic/">CTAN</a>
  or directly from the
  <a href="http://sourceforge.net/projects/xy-pic/">SourceForge development project home</a>,
  however, chances are that Xy-pic is already included with your TeX installation
  (for <a href="http://www.tug.org/texlive/">TeX Live</a>, for example,
  Xy-pic is part of the <q>pictures</q> bundle).
<p>
  Xy-pic was conceived by
  <a href="http://www.krisrose.net">Kristoffer H&oslash;gsbro Rose</a>,
  the present version is the result of several years of collaboration with
  <a href="http://www.maths.mq.edu.au/~ross/">Ross Moore</a> with
  essential contributions from George Necula, Jeremy Gibbons,
  <a href="http://www.math.uni-bonn.de/people/muellner">Daniel M&uuml;llner</a>,
  and Alex Perlis<!--, <a href="http://www.tug.org/yandy/">Y&amp;Y Inc.</a>-->,
  and with many suggestions from more than two decades of users.
<p>
  Xy-pic is &copy; by its authors as
  <a href="http://www.fsf.org/">free software</a>.
</p>

<h2>Features</h2>

<p>
  Xy-pic is structured as a <q>kernel</q> and several orthogonal modules
  called <q>options</q>, each defining a custom notation for a particular
  kind of graphical object or structure.
<p>

These (combinable) <q>logical composition</q> structures are available:

<ul>
  <li>A graph combinator mode where diagrams are specified the way they are
    composed as graphs.
  <li>A matrix-like mode where the dimensions of the drawing are computed by
    aligning diagram entries in rows and columns (this is the <q>diagram</q>
    mode Xy-pic version 2 users are used to).
  <li>A polygon mode where diagrams shaped as regular polygons are entered
    in a simple way.
  <li>A mode for typesetting beautiful knots and links.
  <li>A general object-oriented <q>turtle graphic</q> drawing language for
    specifying graphs with objects and connections between them in a
    manner independent of orientation.
</ul>

The following <q>visual component</q> objects can be used:

<ul>
  <li>Positions can be given in variety of formats (extendable) including
    user defined coordinates (x,y) and relative to previous positions,
    objects, object edges, and points on connections.
  <li>Objects may be circular, elliptic, or rectangular (more shapes can be
    added) and adjusted in several ways.
  <li>Large library of objects with mnemonic names.
  <li>Objects that orient themself along a connection when placed relative
    to it, e.g., <q><code>@{|-}</code></q> is like <q><code>\vdash</code></q>
    but thus oriented; new such objects can be defined in a convenient way.
  <li>TeX <q>boxes</q>, i.e., text and mathematical formulae.
  <li>Includes circle segments and optionally arbitrary elliptical,
    quadratic, and cubic arcs.
  <li>Connections are aligned between the reference points of objects but
    start and end on the edges.
  <li>Any object can be used to build a connection (using <q>diagonal
      filling</q>); library objects provide common line types.
  <li>Flexible notation for drawing arrows and general paths with
    tail, stem, and head built from any object(s).  Special support
    for arrows that cross each other, arrows that <q>go by</q> other
    entries, paired arrows (including support for 2-cells), curved
    arrows, and arrows with bends.  The style of arrow tips can be
    configured to match several styles of symbol arrows.
  <li>Library of frames and braces.
  <li>Special notation for rotation, scaling, colour, and line thickness.
    The correct typesetting of these features requires a backend that
    supports it but even when this is not available
    Xy-pic tries to approximate what is requested such that at least the
    picture size is stable (and thus page breaks).
  <li>Output can use PostScript<a href="#PS">*</a> for drawing (several \special formats are
    supported: dvips, Textures, and OzTeX - more are being added
    continuously: contact Ross Moore <ross.moore@mq.edu.au> for the current
      list).  Notation for inclusion of literal PostScript<a href="#PS">*</a> is available.
  <li>Support for Adobe PDF<a href="#PS">*</a> output is available
    from version 3.8 (thanks to support by Daniel M&uuml;llner and
    font conversion software by Scott Pakin).</a>).
</ul>

<h2>Documentation</h2>

The official Xy-pic documentation, updated with each release, consists of the following four documents.

<ul>

  <li><em>Xy-pic User's Guide</em>
    by <a href="http://www.krisrose.net/">Kristoffer H. Rose</a>.
    Explains how to use the Xy-pic macro package to typeset
    basic <q>matrix-like</q> diagrams with TeX
    (<a href="http://ctan.org/tex-archive/macros/generic/diagrams/xypic/xy/doc/xyguide.pdf">pdf</a>).<p>

  <li><em>Xy-pic Reference Manual</em>
    by <a href="http://www.krisrose.net/">Kristoffer H. Rose</a> &amp; <a href="http://www.maths.mq.edu.au/~ross/">Ross Moore</a>.
    Reference manual for Xy-pic summarising syntax and <q>drawing
      semantics</q> of the capabilities in the kernel, all extensions and
    features, and the PostScript<a href="#PS">*</a> backend
    (<a href="http://ctan.org/tex-archive/macros/generic/diagrams/xypic/xy/doc/xyrefer.pdf">pdf</a>).<p>

  <li><em>Xy-pic Complete Sources with TeXnical Commentary</em>
    by <a href="http://www.krisrose.net/">Kristoffer H. Rose</a> &amp; <a href="http://www.maths.mq.edu.au/~ross/">Ross Moore</a>.
    Just that (a large document, <a href="http://ctan.org/tex-archive/macros/generic/diagrams/xypic/xy/doc/xysource.pdf">pdf</a>).<p>

  <li><em>The xypdf package</em>
    by <a href="http://www.math.uni-bonn.de/people/muellner">Daniel M&uuml;llner</a>.
    Detailed user and TeXnical documentation of the PDF<a href="#PS">*</a> support for Xy-pic
    (<a href="http://ctan.org/tex-archive/macros/generic/diagrams/xypic/xy/doc/xypdf.pdf">pdf</a>).<p>

</ul>

In addition there are several tutorials on Xy-pic.

<ul>

  <li><em>An Introduction to Xy-pic</em>
    by Cameron McLeman (<a href="http://math.arizona.edu/~swig/documentation/xypic/Xypic.pdf">pdf slides</a>).<p>

  <li><em>Commutative Diagrams with XY-pic---I. Kernel Functions and Arrows</em>
    by Paul A. Blaga (<a href="http://tug.org/pracjourn/2006-4/blaga/blaga.pdf">pdf</a>).<p>

  <li><em>LaTeX/Creating Graphics/Xy-pic</em>
    is a <a href="http://en.wikibooks.org/wiki/LaTeX/Creating_Graphics#XY-pic">WikiBook chapter</a>.<p>

  <li><em>The LaTeX Graphics Companion</em>, Second Edition
    by <a href="http://goossens.web.cern.ch/goossens/">Michel Goossens</a>, <a href="http://users.ox.ac.uk/~rahtz/">Sebastian Rahtz</a>, Frank Mittelbach, Denis Roegel, and Herbert Vo&szlig;,
    <a href="http://aw.com">Addison-Wesley</a>, 2007.
    Chapter 7 gives a concise introduction to some advanced uses of Xy-pic
    (<a href="http://www.informit.com/store/product.aspx?isbn=0321508920">official page</a>;
    in the <a href="http://books.google.com/books?id=hh6rdgZ9m3MC&printsec=frontcover&dq=The+LaTeX+Graphics+Companion&source=bl&ots=1rmNFdwt3O&sig=dQdy79YBDYQBq2r-CHfY3jL63ek&hl=en&ei=FrPXS_SkDpX49AS3tPiXBw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CAsQ6AEwAA#v=onepage&q&f=false">first edition on Google books</a> chapter 5 is dedicated to Xy-pic).<p>

  <li><em>Examples on Typesetting Commutative Diagrams Using Xy-pic</em>
    by M. Alsani (<a href="http://north.ecc.edu/alsani/xypicbyexample.ps">ps</a>).<p>

  <li><em>Using Xy-pic in LyX</em>
    by H. Peter Gumm (<a href="http://wiki.lyx.org/uploads/Examples/XY-pic/xypic.pdf">pdf</a>).<p>

  <li><em>Drawing knot pictures using LaTeX with Xy-pic &ndash; An introduction and tutorial</em>
    by Lars Fischer (<a href="http://lf.starlogik.de/drawing_knot_pictures.html">html</a>).<p>

  <li><em>Xy-pic tutorial with an archive of examples</em>
    by Aaron Lauda (<a href="http://www.math.columbia.edu/~lauda/xy/">html</a>).
    Uses low level Xy-pic directives for everything. 
    <p>

  <li><em>Tutorial de Xy-pic</em>
    by Carlos A. P. Campani (<a href="http://ufpel.edu.br/~campani/xypictutorial.pdf">pdf</a>, in Portuguese).<p>

</ul>

Finally, we maintain a collection of
<a href="http://ctan.org/tex-archive/macros/generic/diagrams/xypic/xysamples/">examples</a> and
<a href="http://ctan.org/tex-archive/macros/generic/diagrams/xypic/xypapers/">papers</a> on CTAN.

<p>

If you know of other tutorials, interesting papers, or instructive examples, that can be shared, then please drop a note to the <a href="http://www.tug.org/mailman/listinfo/xy-pic">mailing list</a>!

<h2>Help and Support</h2>

Help and support on Xy-pic matters, as well as announcement of new versions, etc., is provided by the <a href="http://www.tug.org/mailman/listinfo/xy-pic">Xy-pic mailing list</a>, graciously hosted by <a href="http://tug.org">TUG</a>.

<hr>
<p>
<a name="PS">*</a> PostScript and PDF are trademarks of <a href="http://www.adobe.com/">Adobe, Inc.</a>
<p>
<hr>
<address>
<a href="http://www.krisrose.net/">Kristoffer H&oslash;gsbro Rose</a>
&mdash;
$Id: Xy-pic.html,v 3.37 2011/03/14 20:14:00 krisrose Exp $
&mdash;
Hits by
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<!--
-- $Log: Xy-pic.html,v $
-- Revision 3.37  2011/03/14 20:14:00  krisrose
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-- Revision 3.36  2010/06/23 21:20:33  krisrose
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--
-- Revision 3.35  2010/06/23 21:17:35  krisrose
-- Chemistry rules!
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-- Revision 3.34  2010/06/10 18:45:49  krisrose
-- Reference to GPL by URL.
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-- Revision 3.33  2010/06/04 03:44:06  krisrose
-- More tutorials!
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-- Revision 3.32  2010/06/03 22:58:26  krisrose
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--
-- Revision 3.31  2010/06/03 22:53:58  krisrose
-- Link documents on CTAN.
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-- Revision 3.30  2010/06/03 05:51:20  krisrose
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-- Revision 3.29  2010/06/02 19:44:21  krisrose
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-- Revision 3.28  2010/05/22 23:20:35  dmuellner
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-- Revision 3.27  2010/05/21 04:36:29  krisrose
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--
-- Revision 3.26  2010/05/17 23:29:21  krisrose
-- Experiment: generate all the Type1 fonts with METAPOST.
--
-- Revision 3.25  2010/05/14 00:50:09  krisrose
-- Daniel's link included.
--
-- Revision 3.24  2010/05/14 00:37:09  krisrose
-- Update documentation links to PDF and include Daniel's manual.
--
-- Revision 3.23  2010/05/06 17:46:29  krisrose
-- Ross Moore's e-mail address updated.
-- Many obsolete files degraded to Historic.
--
-- Revision 3.22  2010/04/28 20:17:28  krisrose
-- Link to (defunct) Y&Y Inc.
--
-- Revision 3.21  2010/04/28 19:59:28  krisrose
-- Acknowledge properly.
--
-- Revision 3.20  2010/04/28 19:31:55  krisrose
-- Boast about the style integration.
--
-- Revision 3.19  2010/04/28 07:17:17  krisrose
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-- Revision 3.18  2010/04/28 07:11:02  krisrose
-- Sic, again...
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-- Revision 3.17  2010/04/28 07:09:10  krisrose
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--
-- Revision 3.16  2010/04/28 07:05:39  krisrose
-- &szlig;
--
-- Revision 3.15  2010/04/28 07:01:24  krisrose
-- Users!
--
-- Revision 3.14  2010/04/28 06:54:55  krisrose
-- Removed Latin1 specific characters.
--
-- Revision 3.13  2010/04/28 06:50:42  krisrose
-- Removed dangling link.
--
-- Revision 3.12  2010/04/28 06:43:27  krisrose
-- Sic.
--
-- Revision 3.11  2010/04/28 05:39:25  krisrose
-- Checked and made version independent.
--
-- Revision 3.10  2010/04/26 05:56:57  krisrose
-- Link fixes in progress...
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-- Revision 3.9  2010/04/21 18:41:02  krisrose
-- Adjustments preparing for xypdf.dtx and friends!
--
-- Revision 3.8  2010/04/16 06:06:51  krisrose
-- Preparing for a new release...
--
-- Revision 3.7  1999/02/16 15:01:59  krisrose
-- Updated for the interim 3.7.
--
-- Revision 3.6  1998/03/06 01:28:05  krisrose
-- Releasing (with Y&Y fonts).
--
-- Revision 3.5  1997/05/28 13:05:01  krisrose
-- Fixed missing breaks bug.
--
-- Revision 3.4  1997/05/18 01:14:25  krisrose
-- Essential bugfixes.
--
-- Revision 3.3  1996/12/19 17:03:13  krisrose
-- Maintenance release.
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-- Revision 3.2  1995/09/19  18:22:27  kris
-- Bug fix release.
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-- Revision 3.1  1995/09/05  20:31:32  kris
-- Releasing!
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-- Revision 3.0  1995/07/07  20:55:47  kris
-- Refers to v3!
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-- Revision 2.13  1995/07/04  15:11:17  kris
-- Ready to release v3?
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-- Revision 1.2  1994/10/06  16:43:38  kris
-- Cleaned up to be a proper Xy-pic home page.
--
-- Revision 1.1  1994/08/29  12:24:13  kris
-- Initial revision
--
-- Xy-pic `home page'.
-->

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