<!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: set_and_get.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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If you are</span> <span class="sd"> in query mode introspecting the possible values, only the first</span> <span class="sd"> instance in the sequence is used. When actually setting values, all</span> <span class="sd"> the instances will be set. Eg, suppose you have a list of two lines,</span> <span class="sd"> the following will make both lines thicker and red</span> <span class="sd"> >>> x = arange(0,1.0,0.01)</span> <span class="sd"> >>> y1 = sin(2*pi*x)</span> <span class="sd"> >>> y2 = sin(4*pi*x)</span> <span class="sd"> >>> lines = plot(x, y1, x, y2)</span> <span class="sd"> >>> setp(lines, linewidth=2, color='r')</span> <span class="sd">get:</span> <span class="sd"> get returns the value of a given attribute. You can use get to query</span> <span class="sd"> the value of a single attribute</span> <span class="sd"> >>> getp(line, 'linewidth')</span> <span class="sd"> 0.5</span> <span class="sd"> or all the attribute/value pairs</span> <span class="sd"> >>> getp(line)</span> <span class="sd"> aa = True</span> <span class="sd"> alpha = 1.0</span> <span class="sd"> antialiased = True</span> <span class="sd"> c = b</span> <span class="sd"> clip_on = True</span> <span class="sd"> color = b</span> <span class="sd"> ... long listing skipped ...</span> <span class="sd">Aliases:</span> <span class="sd"> To reduce keystrokes in interactive mode, a number of properties</span> <span class="sd"> have short aliases, eg 'lw' for 'linewidth' and 'mec' for</span> <span class="sd"> 'markeredgecolor'. When calling set or get in introspection mode,</span> <span class="sd"> these properties will be listed as 'fullname or aliasname', as in</span> <span class="sd">"""</span> <span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">print_function</span> <span class="kn">from</span> <span class="nn">pylab</span> <span class="kn">import</span> <span class="o">*</span> <span class="n">x</span> <span class="o">=</span> <span class="n">arange</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mf">1.0</span><span class="p">,</span><span class="mf">0.01</span><span class="p">)</span> <span class="n">y1</span> <span class="o">=</span> <span class="n">sin</span><span class="p">(</span><span class="mi">2</span><span class="o">*</span><span class="n">pi</span><span class="o">*</span><span class="n">x</span><span class="p">)</span> <span class="n">y2</span> <span class="o">=</span> <span class="n">sin</span><span class="p">(</span><span class="mi">4</span><span class="o">*</span><span class="n">pi</span><span class="o">*</span><span class="n">x</span><span class="p">)</span> <span class="n">lines</span> <span class="o">=</span> <span class="n">plot</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y1</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">y2</span><span class="p">)</span> <span class="n">l1</span><span class="p">,</span> <span class="n">l2</span> <span class="o">=</span> <span class="n">lines</span> <span class="n">setp</span><span class="p">(</span><span class="n">lines</span><span class="p">,</span> <span class="n">linestyle</span><span class="o">=</span><span class="s">'--'</span><span class="p">)</span> <span class="c"># set both to dashed</span> <span class="n">setp</span><span class="p">(</span><span class="n">l1</span><span class="p">,</span> <span class="n">linewidth</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s">'r'</span><span class="p">)</span> <span class="c"># line1 is thick and red</span> <span class="n">setp</span><span class="p">(</span><span class="n">l2</span><span class="p">,</span> <span class="n">linewidth</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s">'g'</span><span class="p">)</span> <span class="c"># line2 is thicker and green</span> <span class="k">print</span> <span class="p">(</span><span class="s">'Line setters'</span><span class="p">)</span> <span class="n">setp</span><span class="p">(</span><span class="n">l1</span><span class="p">)</span> <span class="k">print</span> <span class="p">(</span><span class="s">'Line getters'</span><span class="p">)</span> <span class="n">getp</span><span class="p">(</span><span class="n">l1</span><span class="p">)</span> <span class="k">print</span> <span class="p">(</span><span class="s">'Rectangle setters'</span><span class="p">)</span> <span class="n">setp</span><span class="p">(</span><span class="n">gca</span><span class="p">()</span><span class="o">.</span><span class="n">patch</span><span class="p">)</span> <span class="k">print</span> <span class="p">(</span><span class="s">'Rectangle getters'</span><span class="p">)</span> <span class="n">getp</span><span class="p">(</span><span class="n">gca</span><span class="p">()</span><span class="o">.</span><span class="n">patch</span><span class="p">)</span> <span class="n">t</span> <span class="o">=</span> <span class="n">title</span><span class="p">(</span><span class="s">'Hi mom'</span><span class="p">)</span> <span class="k">print</span> <span class="p">(</span><span class="s">'Text setters'</span><span class="p">)</span> <span class="n">setp</span><span class="p">(</span><span class="n">t</span><span class="p">)</span> <span class="k">print</span> <span class="p">(</span><span class="s">'Text getters'</span><span class="p">)</span> <span class="n">getp</span><span class="p">(</span><span class="n">t</span><span class="p">)</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 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