<!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>pylab_examples example code: annotation_demo3.py — Matplotlib 1.2.0 documentation</title> <link rel="stylesheet" href="../../_static/mpl.css" type="text/css" /> <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../../', VERSION: '1.2.0', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </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 Matplotlib 1.2.0 documentation" href="../../_static/opensearch.xml"/> <link rel="top" title="Matplotlib 1.2.0 documentation" href="../../index.html" /> </head> <body> <!-- Piwik --> <script type="text/javascript"> if ("matplotlib.sourceforge.net" == document.location.hostname || "matplotlib.sf.net" == document.location.hostname) { var pkBaseURL = (("https:" == document.location.protocol) ? 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<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><a href="../../index.html">home</a>| </li> <li><a href="../../search.html">search</a>| </li> <li><a href="../index.html">examples</a>| </li> <li><a href="../../gallery.html">gallery</a>| </li> <li><a href="../../contents.html">docs</a> »</li> </ul> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../../_sources/examples/pylab_examples/annotation_demo3.txt" rel="nofollow">Show Source</a></li> </ul> <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 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<span class="n">plt</span><span class="o">.</span><span class="n">figure</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="n">fig</span><span class="o">.</span><span class="n">clf</span><span class="p">()</span> <span class="n">ax1</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">subplot</span><span class="p">(</span><span class="mi">121</span><span class="p">)</span> <span class="n">ax2</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">subplot</span><span class="p">(</span><span class="mi">122</span><span class="p">)</span> <span class="n">bbox_args</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">(</span><span class="n">boxstyle</span><span class="o">=</span><span class="s">"round"</span><span class="p">,</span> <span class="n">fc</span><span class="o">=</span><span class="s">"0.8"</span><span class="p">)</span> <span class="n">arrow_args</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">(</span><span class="n">arrowstyle</span><span class="o">=</span><span class="s">"->"</span><span class="p">)</span> <span class="n">ax1</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="s">'figure fraction : 0, 0'</span><span class="p">,</span> <span class="n">xy</span><span class="o">=</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">xycoords</span><span class="o">=</span><span class="s">'figure fraction'</span><span class="p">,</span> <span class="n">xytext</span><span class="o">=</span><span class="p">(</span><span class="mi">20</span><span class="p">,</span> <span class="mi">20</span><span class="p">),</span> <span class="n">textcoords</span><span class="o">=</span><span class="s">'offset points'</span><span class="p">,</span> <span class="n">ha</span><span class="o">=</span><span class="s">"left"</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s">"bottom"</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="n">bbox_args</span><span class="p">,</span> <span class="n">arrowprops</span><span class="o">=</span><span class="n">arrow_args</span> <span class="p">)</span> <span class="n">ax1</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="s">'figure fraction : 1, 1'</span><span class="p">,</span> <span class="n">xy</span><span class="o">=</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">xycoords</span><span class="o">=</span><span class="s">'figure fraction'</span><span class="p">,</span> <span class="n">xytext</span><span class="o">=</span><span class="p">(</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span> <span class="o">-</span><span class="mi">20</span><span class="p">),</span> <span class="n">textcoords</span><span class="o">=</span><span class="s">'offset points'</span><span class="p">,</span> <span class="n">ha</span><span class="o">=</span><span class="s">"right"</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s">"top"</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="n">bbox_args</span><span class="p">,</span> <span class="n">arrowprops</span><span class="o">=</span><span class="n">arrow_args</span> <span class="p">)</span> <span class="n">ax1</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="s">'axes fraction : 0, 0'</span><span class="p">,</span> <span class="n">xy</span><span class="o">=</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">xycoords</span><span class="o">=</span><span class="s">'axes fraction'</span><span class="p">,</span> <span class="n">xytext</span><span class="o">=</span><span class="p">(</span><span class="mi">20</span><span class="p">,</span> <span class="mi">20</span><span class="p">),</span> <span class="n">textcoords</span><span class="o">=</span><span class="s">'offset points'</span><span class="p">,</span> <span class="n">ha</span><span class="o">=</span><span class="s">"left"</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s">"bottom"</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="n">bbox_args</span><span class="p">,</span> <span class="n">arrowprops</span><span class="o">=</span><span class="n">arrow_args</span> <span class="p">)</span> <span class="n">ax1</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="s">'axes fraction : 1, 1'</span><span class="p">,</span> <span class="n">xy</span><span class="o">=</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">xycoords</span><span class="o">=</span><span class="s">'axes fraction'</span><span class="p">,</span> <span class="n">xytext</span><span class="o">=</span><span class="p">(</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span> <span class="o">-</span><span class="mi">20</span><span class="p">),</span> <span class="n">textcoords</span><span class="o">=</span><span class="s">'offset points'</span><span class="p">,</span> <span class="n">ha</span><span class="o">=</span><span class="s">"right"</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s">"top"</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="n">bbox_args</span><span class="p">,</span> <span class="n">arrowprops</span><span class="o">=</span><span class="n">arrow_args</span> <span class="p">)</span> <span class="n">an1</span> <span class="o">=</span> <span class="n">ax1</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="s">'Drag me 1'</span><span class="p">,</span> <span class="n">xy</span><span class="o">=</span><span class="p">(</span><span class="o">.</span><span class="mi">5</span><span class="p">,</span> <span class="o">.</span><span class="mi">7</span><span class="p">),</span> <span class="n">xycoords</span><span class="o">=</span><span class="s">'data'</span><span class="p">,</span> <span class="c">#xytext=(.5, .7), textcoords='data',</span> <span class="n">ha</span><span class="o">=</span><span class="s">"center"</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s">"center"</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="n">bbox_args</span><span class="p">,</span> <span class="c">#arrowprops=arrow_args</span> <span class="p">)</span> <span class="n">an2</span> <span class="o">=</span> <span class="n">ax1</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="s">'Drag me 2'</span><span class="p">,</span> <span class="n">xy</span><span class="o">=</span><span class="p">(</span><span class="o">.</span><span class="mi">5</span><span class="p">,</span> <span class="o">.</span><span class="mi">5</span><span class="p">),</span> <span class="n">xycoords</span><span class="o">=</span><span class="n">an1</span><span class="p">,</span> <span class="n">xytext</span><span class="o">=</span><span class="p">(</span><span class="o">.</span><span class="mi">5</span><span class="p">,</span> <span class="o">.</span><span class="mi">3</span><span class="p">),</span> <span class="n">textcoords</span><span class="o">=</span><span class="s">'axes fraction'</span><span class="p">,</span> <span class="n">ha</span><span class="o">=</span><span class="s">"center"</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s">"center"</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="n">bbox_args</span><span class="p">,</span> <span class="n">arrowprops</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">patchB</span><span class="o">=</span><span class="n">an1</span><span class="o">.</span><span class="n">get_bbox_patch</span><span class="p">(),</span> <span class="n">connectionstyle</span><span class="o">=</span><span class="s">"arc3,rad=0.2"</span><span class="p">,</span> <span class="o">**</span><span class="n">arrow_args</span><span class="p">)</span> <span class="p">)</span> <span class="n">an3</span> <span class="o">=</span> <span class="n">ax1</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="s">''</span><span class="p">,</span> <span class="n">xy</span><span class="o">=</span><span class="p">(</span><span class="o">.</span><span class="mi">5</span><span class="p">,</span> <span class="o">.</span><span class="mi">5</span><span class="p">),</span> <span class="n">xycoords</span><span class="o">=</span><span class="n">an2</span><span class="p">,</span> <span class="n">xytext</span><span class="o">=</span><span class="p">(</span><span class="o">.</span><span class="mi">5</span><span class="p">,</span> <span class="o">.</span><span class="mi">5</span><span class="p">),</span> <span class="n">textcoords</span><span class="o">=</span><span class="n">an1</span><span class="p">,</span> <span class="n">ha</span><span class="o">=</span><span class="s">"center"</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s">"center"</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="n">bbox_args</span><span class="p">,</span> <span class="n">arrowprops</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">patchA</span><span class="o">=</span><span class="n">an1</span><span class="o">.</span><span class="n">get_bbox_patch</span><span class="p">(),</span> <span class="n">patchB</span><span class="o">=</span><span class="n">an2</span><span class="o">.</span><span class="n">get_bbox_patch</span><span class="p">(),</span> <span class="n">connectionstyle</span><span class="o">=</span><span class="s">"arc3,rad=0.2"</span><span class="p">,</span> <span class="o">**</span><span class="n">arrow_args</span><span class="p">)</span> <span class="p">)</span> <span class="n">t</span> <span class="o">=</span> <span class="n">ax2</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="s">'xy=(0, 1)</span><span class="se">\n</span><span class="s">xycoords=("data", "axes fraction")'</span><span class="p">,</span> <span class="n">xy</span><span class="o">=</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">xycoords</span><span class="o">=</span><span class="p">(</span><span class="s">"data"</span><span class="p">,</span> <span class="s">'axes fraction'</span><span class="p">),</span> <span class="n">xytext</span><span class="o">=</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="o">-</span><span class="mi">20</span><span class="p">),</span> <span class="n">textcoords</span><span class="o">=</span><span class="s">'offset points'</span><span class="p">,</span> <span class="n">ha</span><span class="o">=</span><span class="s">"center"</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s">"top"</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="n">bbox_args</span><span class="p">,</span> <span class="n">arrowprops</span><span class="o">=</span><span class="n">arrow_args</span> <span class="p">)</span> <span class="kn">from</span> <span class="nn">matplotlib.text</span> <span class="kn">import</span> <span class="n">OffsetFrom</span> <span class="n">ax2</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="s">'xy=(0.5, 0)</span><span class="se">\n</span><span class="s">xycoords=artist'</span><span class="p">,</span> <span class="n">xy</span><span class="o">=</span><span class="p">(</span><span class="mf">0.5</span><span class="p">,</span> <span class="mf">0.</span><span class="p">),</span> <span class="n">xycoords</span><span class="o">=</span><span class="n">t</span><span class="p">,</span> <span class="n">xytext</span><span class="o">=</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="o">-</span><span class="mi">20</span><span class="p">),</span> <span class="n">textcoords</span><span class="o">=</span><span class="s">'offset points'</span><span class="p">,</span> <span class="n">ha</span><span class="o">=</span><span class="s">"center"</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s">"top"</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="n">bbox_args</span><span class="p">,</span> <span class="n">arrowprops</span><span class="o">=</span><span class="n">arrow_args</span> <span class="p">)</span> <span class="n">ax2</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="s">'xy=(0.8, 0.5)</span><span class="se">\n</span><span class="s">xycoords=ax1.transData'</span><span class="p">,</span> <span class="n">xy</span><span class="o">=</span><span class="p">(</span><span class="mf">0.8</span><span class="p">,</span> <span class="mf">0.5</span><span class="p">),</span> <span class="n">xycoords</span><span class="o">=</span><span class="n">ax1</span><span class="o">.</span><span class="n">transData</span><span class="p">,</span> <span class="n">xytext</span><span class="o">=</span><span class="p">(</span><span class="mi">10</span><span class="p">,</span> <span class="mi">10</span><span class="p">),</span> <span class="n">textcoords</span><span class="o">=</span><span class="n">OffsetFrom</span><span class="p">(</span><span class="n">ax2</span><span class="o">.</span><span class="n">bbox</span><span class="p">,</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="s">"points"</span><span class="p">),</span> <span class="n">ha</span><span class="o">=</span><span class="s">"left"</span><span class="p">,</span> <span class="n">va</span><span class="o">=</span><span class="s">"bottom"</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="n">bbox_args</span><span class="p">,</span> <span class="n">arrowprops</span><span class="o">=</span><span class="n">arrow_args</span> <span class="p">)</span> <span class="n">ax2</span><span class="o">.</span><span class="n">set_xlim</span><span class="p">(</span><span class="o">-</span><span class="mi">2</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> <span class="n">ax2</span><span class="o">.</span><span class="n">set_ylim</span><span class="p">(</span><span class="o">-</span><span class="mi">2</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> <span class="n">an1</span><span class="o">.</span><span class="n">draggable</span><span class="p">()</span> <span class="n">an2</span><span class="o">.</span><span class="n">draggable</span><span class="p">()</span> <span class="n">plt</span><span class="o">.</span><span class="n">show</span><span class="p">()</span> </pre></div> </div> <p>Keywords: python, matplotlib, pylab, example, codex (see <a class="reference internal" href="../../faq/howto_faq.html#how-to-search-examples"><em>Search examples</em></a>)</p> </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><a href="../../index.html">home</a>| </li> <li><a href="../../search.html">search</a>| </li> <li><a href="../index.html">examples</a>| </li> <li><a href="../../gallery.html">gallery</a>| </li> <li><a href="../../contents.html">docs</a> »</li> </ul> </div> <div class="footer"> © Copyright 2012 John Hunter, Darren Dale, Eric Firing, Michael Droettboom and the matplotlib development team. 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