<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>API Notes — PyGraphviz v1.0.dev1780 documentation</title>
<link rel="stylesheet" href="../_static/sphinxdoc.css" type="text/css" />
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<script type="text/javascript">
var DOCUMENTATION_OPTIONS = {
URL_ROOT: '../',
VERSION: '1.0.dev1780',
COLLAPSE_MODINDEX: false,
FILE_SUFFIX: '.html',
HAS_SOURCE: false
};
</script>
<script type="text/javascript" src="../_static/jquery.js"></script>
<script type="text/javascript" src="../_static/doctools.js"></script>
<link rel="search" type="application/opensearchdescription+xml"
title="Search within PyGraphviz v1.0.dev1780 documentation"
href="../_static/opensearch.xml"/>
<link rel="top" title="PyGraphviz v1.0.dev1780 documentation" href="../index.html" />
<link rel="up" title="Reference" href="index.html" />
<link rel="next" title="News" href="news.html" />
<link rel="prev" title="FAQ" href="faq.html" />
</head>
<body>
<div style="color: black;background-color: white; font-size: 3.2em; text-align: left; padding: 15px 10px 10px 15px">
PyGraphviz
</div>
<div class="related">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
accesskey="I">index</a></li>
<li class="right" >
<a href="news.html" title="News"
accesskey="N">next</a> |</li>
<li class="right" >
<a href="faq.html" title="FAQ"
accesskey="P">previous</a> |</li>
<li><a href="../index.html">PyGraphviz Home </a> | </li>
<li><a href="../search.html">Search </a> | </li>
<li><a href="../download.html">Download </a> | </li>
<li><a href="http://networkx.lanl.gov/trac/wiki/PyGraphviz">Developer Site</a> | </li>
<li><a href="../contents.html">Documentation </a> »</li>
<li><a href="index.html" accesskey="U">Reference</a> »</li>
</ul>
</div>
<p>This documentation is for version <b>1.0.dev1780</b>, which is
not released yet.</p>
<div class="sphinxsidebar">
<div class="sphinxsidebarwrapper">
<h4>Previous topic</h4>
<p class="topless"><a href="faq.html"
title="previous chapter">FAQ</a></p>
<h4>Next topic</h4>
<p class="topless"><a href="news.html"
title="next chapter">News</a></p>
<div id="searchbox" style="display: none">
<h3>Quick search</h3>
<form class="search" action="../search.html" method="get">
<input type="text" name="q" size="18" />
<input type="submit" value="Go" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
<p class="searchtip" style="font-size: 90%">
Enter search terms or a module, class or function name.
</p>
</div>
<script type="text/javascript">$('#searchbox').show(0);</script>
</div>
</div>
<div class="document">
<div class="documentwrapper">
<div class="bodywrapper">
<div class="body">
<div class="section" id="api-notes">
<h1>API Notes<a class="headerlink" href="#api-notes" title="Permalink to this headline">ΒΆ</a></h1>
<blockquote>
<p>pygraphviz-0.32 is a rewrite of pygraphviz-0.2x with some significant
changes in the API and Graphviz wrapper. It is not compatible with
with earlier versions.</p>
<p>The goal of pygraphviz is to provide a (mostly) Pythonic interface
to the Graphviz Agraph data-structure, layout, and drawing algorithms.</p>
<p>The API is now similar to the NetworkX API. Studying the
documentation and Tutorial for NetworkX will teach you most of what
you need to know for pygraphviz. For a short introduction on pygraphviz
see the pygraphviz Tutorial.</p>
<p>There are some important differences between the PyGraphviz
and NetworkX API. With PyGraphviz</p>
<blockquote>
<ul class="simple">
<li>All nodes must be strings. An attempt will be made to convert other
types to a string.</li>
<li>Nodes and edges are custom Python objects. Nodes are like
string objects and edges are like tuple objects. (In NetworkX
nodes can be anything and edges are two- or three-tuples.)</li>
<li>Graphs, edges, and nodes may have attributes such as color,
size, shape, attached to them. If the attributes are known
Graphviz attributes they will be used for drawing and layout.</li>
<li>The layout() and draw() methods allow positioning of nodes
and rendering in all of the supported Graphviz output formats.</li>
<li>The string() method produces a string with the graph represented
in Graphviz dot format. See also from_string().</li>
<li>The subgraph() method is the Graphviz representation of
subgraphs: a tree of graphs under the original
(root) graph. The are primarily used for clustering of nodes when
drawing with dot.</li>
</ul>
</blockquote>
<p>Pygraphviz supports most of the Graphviz API.</p>
</blockquote>
</div>
</div>
</div>
</div>
<div class="clearer"></div>
</div>
<div class="related">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
>index</a></li>
<li class="right" >
<a href="news.html" title="News"
>next</a> |</li>
<li class="right" >
<a href="faq.html" title="FAQ"
>previous</a> |</li>
<li><a href="../index.html">PyGraphviz Home </a> | </li>
<li><a href="../search.html">Search </a> | </li>
<li><a href="../download.html">Download </a> | </li>
<li><a href="http://networkx.lanl.gov/trac/wiki/PyGraphviz">Developer Site</a> | </li>
<li><a href="../contents.html">Documentation </a> »</li>
<li><a href="index.html" >Reference</a> »</li>
</ul>
</div>
<div class="footer">
© Copyright 2010, Aric Hagberg.
Last updated on Aug 06, 2010.
Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 0.6.5.
</div>
</body>
</html>
distrib
>
Mandriva
>
current
>
x86_64
>
media
>
contrib-updates
>
by-pkgid
>
d49411d98c5501352528beaec338f359
>
files
>
55
