<!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>draw_networkx_edges — NetworkX 1.8.1 documentation</title> <link rel="stylesheet" href="../../_static/networkx.css" type="text/css" /> <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../../', VERSION: '1.8.1', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: false }; </script> <script type="text/javascript" src="../../_static/jquery.js"></script> <script type="text/javascript" src="../../_static/underscore.js"></script> <script type="text/javascript" src="../../_static/doctools.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within NetworkX 1.8.1 documentation" href="../../_static/opensearch.xml"/> <link rel="top" title="NetworkX 1.8.1 documentation" href="../../index.html" /> <link rel="up" title="Drawing" href="../drawing.html" /> <link rel="next" title="draw_networkx_labels" href="networkx.drawing.nx_pylab.draw_networkx_labels.html" /> <link rel="prev" title="draw_networkx_nodes" href="networkx.drawing.nx_pylab.draw_networkx_nodes.html" /> </head> <body> <div style="color: black;background-color: white; font-size: 3.2em; text-align: left; padding: 15px 10px 10px 15px"> NetworkX </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="../../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="networkx.drawing.nx_pylab.draw_networkx_labels.html" title="draw_networkx_labels" accesskey="N">next</a> |</li> <li class="right" > <a href="networkx.drawing.nx_pylab.draw_networkx_nodes.html" title="draw_networkx_nodes" accesskey="P">previous</a> |</li> <li><a href="http://networkx.github.com/">NetworkX Home </a> | </li> <li><a href="http://networkx.github.com/documentation.html">Documentation </a>| </li> <li><a href="http://networkx.github.com/download.html">Download </a> | </li> <li><a href="http://github.com/networkx">Developer (Github)</a></li> <li><a href="../index.html" >Reference</a> »</li> <li><a href="../pdf_reference.html" >Reference</a> »</li> <li><a href="../drawing.html" accesskey="U">Drawing</a> »</li> </ul> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="networkx.drawing.nx_pylab.draw_networkx_nodes.html" title="previous chapter">draw_networkx_nodes</a></p> <h4>Next topic</h4> <p class="topless"><a href="networkx.drawing.nx_pylab.draw_networkx_labels.html" title="next chapter">draw_networkx_labels</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" /> <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="draw-networkx-edges"> <h1>draw_networkx_edges<a class="headerlink" href="#draw-networkx-edges" title="Permalink to this headline">¶</a></h1> <dl class="function"> <dt id="networkx.drawing.nx_pylab.draw_networkx_edges"> <tt class="descname">draw_networkx_edges</tt><big>(</big><em>G</em>, <em>pos</em>, <em>edgelist=None</em>, <em>width=1.0</em>, <em>edge_color='k'</em>, <em>style='solid'</em>, <em>alpha=None</em>, <em>edge_cmap=None</em>, <em>edge_vmin=None</em>, <em>edge_vmax=None</em>, <em>ax=None</em>, <em>arrows=True</em>, <em>label=None</em>, <em>**kwds</em><big>)</big><a class="reference internal" href="../../_modules/networkx/drawing/nx_pylab.html#draw_networkx_edges"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#networkx.drawing.nx_pylab.draw_networkx_edges" title="Permalink to this definition">¶</a></dt> <dd><p>Draw the edges of the graph G.</p> <p>This draws only the edges of the graph G.</p> <table class="docutils field-list" frame="void" rules="none"> <col class="field-name" /> <col class="field-body" /> <tbody valign="top"> <tr class="field-odd field"><th class="field-name">Parameters :</th><td class="field-body"><p class="first"><strong>G</strong> : graph</p> <blockquote> <div><p>A networkx graph</p> </div></blockquote> <p><strong>pos</strong> : dictionary</p> <blockquote> <div><p>A dictionary with nodes as keys and positions as values. If not specified a spring layout positioning will be computed. See networkx.layout for functions that compute node positions.</p> </div></blockquote> <p><strong>edgelist</strong> : collection of edge tuples</p> <blockquote> <div><p>Draw only specified edges(default=G.edges())</p> </div></blockquote> <p><strong>width</strong> : float</p> <blockquote> <div><p>Line width of edges (default =1.0)</p> </div></blockquote> <p><strong>edge_color</strong> : color string, or array of floats</p> <blockquote> <div><p>Edge color. Can be a single color format string (default=’r’), or a sequence of colors with the same length as edgelist. If numeric values are specified they will be mapped to colors using the edge_cmap and edge_vmin,edge_vmax parameters.</p> </div></blockquote> <p><strong>style</strong> : string</p> <blockquote> <div><p>Edge line style (default=’solid’) (solid|dashed|dotted,dashdot)</p> </div></blockquote> <p><strong>alpha</strong> : float</p> <blockquote> <div><p>The edge transparency (default=1.0)</p> </div></blockquote> <p><strong>edge_ cmap</strong> : Matplotlib colormap</p> <blockquote> <div><p>Colormap for mapping intensities of edges (default=None)</p> </div></blockquote> <p><strong>edge_vmin,edge_vmax</strong> : floats</p> <blockquote> <div><p>Minimum and maximum for edge colormap scaling (default=None)</p> </div></blockquote> <p><strong>ax</strong> : Matplotlib Axes object, optional</p> <blockquote> <div><p>Draw the graph in the specified Matplotlib axes.</p> </div></blockquote> <p><strong>arrows</strong> : bool, optional (default=True)</p> <blockquote> <div><p>For directed graphs, if True draw arrowheads.</p> </div></blockquote> <p><strong>label</strong> : [None| string]</p> <blockquote class="last"> <div><p>Label for legend</p> </div></blockquote> </td> </tr> </tbody> </table> <div class="admonition-see-also admonition seealso"> <p class="first admonition-title">See also</p> <p class="last"><a class="reference internal" href="networkx.drawing.nx_pylab.draw.html#networkx.drawing.nx_pylab.draw" title="networkx.drawing.nx_pylab.draw"><tt class="xref py py-obj docutils literal"><span class="pre">draw</span></tt></a>, <a class="reference internal" href="networkx.drawing.nx_pylab.draw_networkx.html#networkx.drawing.nx_pylab.draw_networkx" title="networkx.drawing.nx_pylab.draw_networkx"><tt class="xref py py-obj docutils literal"><span class="pre">draw_networkx</span></tt></a>, <a class="reference internal" href="networkx.drawing.nx_pylab.draw_networkx_nodes.html#networkx.drawing.nx_pylab.draw_networkx_nodes" title="networkx.drawing.nx_pylab.draw_networkx_nodes"><tt class="xref py py-obj docutils literal"><span class="pre">draw_networkx_nodes</span></tt></a>, <a class="reference internal" href="networkx.drawing.nx_pylab.draw_networkx_labels.html#networkx.drawing.nx_pylab.draw_networkx_labels" title="networkx.drawing.nx_pylab.draw_networkx_labels"><tt class="xref py py-obj docutils literal"><span class="pre">draw_networkx_labels</span></tt></a>, <a class="reference internal" href="networkx.drawing.nx_pylab.draw_networkx_edge_labels.html#networkx.drawing.nx_pylab.draw_networkx_edge_labels" title="networkx.drawing.nx_pylab.draw_networkx_edge_labels"><tt class="xref py py-obj docutils literal"><span class="pre">draw_networkx_edge_labels</span></tt></a></p> </div> <p class="rubric">Notes</p> <p>For directed graphs, “arrows” (actually just thicker stubs) are drawn at the head end. Arrows can be turned off with keyword arrows=False. Yes, it is ugly but drawing proper arrows with Matplotlib this way is tricky.</p> <p class="rubric">Examples</p> <div class="highlight-python"><div class="highlight"><pre><span class="gp">>>> </span><span class="n">G</span><span class="o">=</span><span class="n">nx</span><span class="o">.</span><span class="n">dodecahedral_graph</span><span class="p">()</span> <span class="gp">>>> </span><span class="n">edges</span><span class="o">=</span><span class="n">nx</span><span class="o">.</span><span class="n">draw_networkx_edges</span><span class="p">(</span><span class="n">G</span><span class="p">,</span><span class="n">pos</span><span class="o">=</span><span class="n">nx</span><span class="o">.</span><span class="n">spring_layout</span><span class="p">(</span><span class="n">G</span><span class="p">))</span> </pre></div> </div> <p>Also see the NetworkX drawing examples at <a class="reference external" href="http://networkx.lanl.gov/gallery.html">http://networkx.lanl.gov/gallery.html</a></p> </dd></dl> </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="../../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="networkx.drawing.nx_pylab.draw_networkx_labels.html" title="draw_networkx_labels" >next</a> |</li> <li class="right" > <a href="networkx.drawing.nx_pylab.draw_networkx_nodes.html" title="draw_networkx_nodes" >previous</a> |</li> <li><a href="http://networkx.github.com/">NetworkX Home </a> | </li> <li><a href="http://networkx.github.com/documentation.html">Documentation </a>| </li> <li><a href="http://networkx.github.com/download.html">Download </a> | </li> <li><a href="http://github.com/networkx">Developer (Github)</a></li> <li><a href="../index.html" >Reference</a> »</li> <li><a href="../pdf_reference.html" >Reference</a> »</li> <li><a href="../drawing.html" >Drawing</a> »</li> </ul> </div> <div class="footer"> © Copyright 2013, NetworkX Developers. 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