<!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>axes_grid example code: simple_anchored_artists.py — Matplotlib v1.1.1 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: '1.1.1', 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 v1.1.1 documentation" href="../../_static/opensearch.xml"/> <link rel="top" title="Matplotlib v1.1.1 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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/> <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="axes-grid-example-code-simple-anchored-artists-py"> <span id="axes-grid-simple-anchored-artists"></span><h1>axes_grid example code: simple_anchored_artists.py<a class="headerlink" href="#axes-grid-example-code-simple-anchored-artists-py" title="Permalink to this headline">ΒΆ</a></h1> <p>(<a class="reference external" href="../../mpl_examples/axes_grid/simple_anchored_artists.py">Source code</a>, <a class="reference external" href="../../mpl_examples/axes_grid/simple_anchored_artists.png">png</a>, <a class="reference external" href="../../mpl_examples/axes_grid/simple_anchored_artists.hires.png">hires.png</a>, <a class="reference external" href="../../mpl_examples/axes_grid/simple_anchored_artists.pdf">pdf</a>)</p> <div class="figure"> <img alt="../../_images/simple_anchored_artists.png" src="../../_images/simple_anchored_artists.png" /> </div> <div class="highlight-python"><div class="highlight"><pre><span class="kn">import</span> <span class="nn">matplotlib.pyplot</span> <span class="kn">as</span> <span class="nn">plt</span> <span class="k">def</span> <span class="nf">draw_text</span><span class="p">(</span><span class="n">ax</span><span class="p">):</span> <span class="kn">from</span> <span class="nn">mpl_toolkits.axes_grid1.anchored_artists</span> <span class="kn">import</span> <span class="n">AnchoredText</span> <span class="n">at</span> <span class="o">=</span> <span class="n">AnchoredText</span><span class="p">(</span><span class="s">"Figure 1a"</span><span class="p">,</span> <span class="n">loc</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">prop</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">size</span><span class="o">=</span><span class="mi">8</span><span class="p">),</span> <span class="n">frameon</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span> <span class="p">)</span> <span class="n">at</span><span class="o">.</span><span class="n">patch</span><span class="o">.</span><span class="n">set_boxstyle</span><span class="p">(</span><span class="s">"round,pad=0.,rounding_size=0.2"</span><span class="p">)</span> <span class="n">ax</span><span class="o">.</span><span class="n">add_artist</span><span class="p">(</span><span class="n">at</span><span class="p">)</span> <span class="n">at2</span> <span class="o">=</span> <span class="n">AnchoredText</span><span class="p">(</span><span class="s">"Figure 1(b)"</span><span class="p">,</span> <span class="n">loc</span><span class="o">=</span><span class="mi">3</span><span class="p">,</span> <span class="n">prop</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">size</span><span class="o">=</span><span class="mi">8</span><span class="p">),</span> <span class="n">frameon</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span> <span class="n">bbox_to_anchor</span><span class="o">=</span><span class="p">(</span><span class="mf">0.</span><span class="p">,</span> <span class="mf">1.</span><span class="p">),</span> <span class="n">bbox_transform</span><span class="o">=</span><span class="n">ax</span><span class="o">.</span><span class="n">transAxes</span> <span class="p">)</span> <span class="n">at2</span><span class="o">.</span><span class="n">patch</span><span class="o">.</span><span class="n">set_boxstyle</span><span class="p">(</span><span class="s">"round,pad=0.,rounding_size=0.2"</span><span class="p">)</span> <span class="n">ax</span><span class="o">.</span><span class="n">add_artist</span><span class="p">(</span><span class="n">at2</span><span class="p">)</span> <span class="k">def</span> <span class="nf">draw_circle</span><span class="p">(</span><span class="n">ax</span><span class="p">):</span> <span class="c"># circle in the canvas coordinate</span> <span class="kn">from</span> <span class="nn">mpl_toolkits.axes_grid1.anchored_artists</span> <span class="kn">import</span> <span class="n">AnchoredDrawingArea</span> <span class="kn">from</span> <span class="nn">matplotlib.patches</span> <span class="kn">import</span> <span class="n">Circle</span> <span class="n">ada</span> <span class="o">=</span> <span class="n">AnchoredDrawingArea</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="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">loc</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">pad</span><span class="o">=</span><span class="mf">0.</span><span class="p">,</span> <span class="n">frameon</span><span class="o">=</span><span class="bp">False</span><span class="p">)</span> <span class="n">p</span> <span class="o">=</span> <span class="n">Circle</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="mi">10</span><span class="p">)</span> <span class="n">ada</span><span class="o">.</span><span class="n">da</span><span class="o">.</span><span class="n">add_artist</span><span class="p">(</span><span class="n">p</span><span class="p">)</span> <span class="n">ax</span><span class="o">.</span><span class="n">add_artist</span><span class="p">(</span><span class="n">ada</span><span class="p">)</span> <span class="k">def</span> <span class="nf">draw_ellipse</span><span class="p">(</span><span class="n">ax</span><span class="p">):</span> <span class="kn">from</span> <span class="nn">mpl_toolkits.axes_grid1.anchored_artists</span> <span class="kn">import</span> <span class="n">AnchoredEllipse</span> <span class="c"># draw an ellipse of width=0.1, height=0.15 in the data coordinate</span> <span class="n">ae</span> <span class="o">=</span> <span class="n">AnchoredEllipse</span><span class="p">(</span><span class="n">ax</span><span class="o">.</span><span class="n">transData</span><span class="p">,</span> <span class="n">width</span><span class="o">=</span><span class="mf">0.1</span><span class="p">,</span> <span class="n">height</span><span class="o">=</span><span class="mf">0.15</span><span class="p">,</span> <span class="n">angle</span><span class="o">=</span><span class="mf">0.</span><span class="p">,</span> <span class="n">loc</span><span class="o">=</span><span class="mi">3</span><span class="p">,</span> <span class="n">pad</span><span class="o">=</span><span class="mf">0.5</span><span class="p">,</span> <span class="n">borderpad</span><span class="o">=</span><span class="mf">0.4</span><span class="p">,</span> <span class="n">frameon</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span> <span class="n">ax</span><span class="o">.</span><span class="n">add_artist</span><span class="p">(</span><span class="n">ae</span><span class="p">)</span> <span class="k">def</span> <span class="nf">draw_sizebar</span><span class="p">(</span><span class="n">ax</span><span class="p">):</span> <span class="kn">from</span> <span class="nn">mpl_toolkits.axes_grid1.anchored_artists</span> <span class="kn">import</span> <span class="n">AnchoredSizeBar</span> <span class="c"># draw a horizontal bar with length of 0.1 in Data coordinate</span> <span class="c"># (ax.transData) with a label underneath.</span> <span class="n">asb</span> <span class="o">=</span> <span class="n">AnchoredSizeBar</span><span class="p">(</span><span class="n">ax</span><span class="o">.</span><span class="n">transData</span><span class="p">,</span> <span class="mf">0.1</span><span class="p">,</span> <span class="s">r"1$^{\prime}$"</span><span class="p">,</span> <span class="n">loc</span><span class="o">=</span><span class="mi">8</span><span class="p">,</span> <span class="n">pad</span><span class="o">=</span><span class="mf">0.1</span><span class="p">,</span> <span class="n">borderpad</span><span class="o">=</span><span class="mf">0.5</span><span class="p">,</span> <span class="n">sep</span><span class="o">=</span><span class="mi">5</span><span class="p">,</span> <span class="n">frameon</span><span class="o">=</span><span class="bp">False</span><span class="p">)</span> <span class="n">ax</span><span class="o">.</span><span class="n">add_artist</span><span class="p">(</span><span class="n">asb</span><span class="p">)</span> <span class="k">if</span> <span class="mi">1</span><span class="p">:</span> <span class="n">ax</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">gca</span><span class="p">()</span> <span class="n">ax</span><span class="o">.</span><span class="n">set_aspect</span><span class="p">(</span><span class="mf">1.</span><span class="p">)</span> <span class="n">draw_text</span><span class="p">(</span><span class="n">ax</span><span class="p">)</span> <span class="n">draw_circle</span><span class="p">(</span><span class="n">ax</span><span class="p">)</span> <span class="n">draw_ellipse</span><span class="p">(</span><span class="n">ax</span><span class="p">)</span> <span class="n">draw_sizebar</span><span class="p">(</span><span class="n">ax</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> 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