<!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: plotfile_demo.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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use ints</span> <span class="n">plotfile</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">5</span><span class="p">,</span><span class="mi">6</span><span class="p">))</span> <span class="c"># test 2; use names</span> <span class="n">plotfile</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="p">(</span><span class="s">'date'</span><span class="p">,</span> <span class="s">'volume'</span><span class="p">,</span> <span class="s">'adj_close'</span><span class="p">))</span> <span class="c"># test 3; use semilogy for volume</span> <span class="n">plotfile</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="p">(</span><span class="s">'date'</span><span class="p">,</span> <span class="s">'volume'</span><span class="p">,</span> <span class="s">'adj_close'</span><span class="p">),</span> <span class="n">plotfuncs</span><span class="o">=</span><span class="p">{</span><span class="s">'volume'</span><span class="p">:</span> <span class="s">'semilogy'</span><span class="p">})</span> <span class="c"># test 4; use semilogy for volume</span> <span class="n">plotfile</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">5</span><span class="p">,</span><span class="mi">6</span><span class="p">),</span> <span class="n">plotfuncs</span><span class="o">=</span><span class="p">{</span><span class="mi">5</span><span class="p">:</span><span class="s">'semilogy'</span><span class="p">})</span> <span class="c">#test 5; single subplot</span> <span class="n">plotfile</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="p">(</span><span class="s">'date'</span><span class="p">,</span> <span class="s">'open'</span><span class="p">,</span> <span class="s">'high'</span><span class="p">,</span> <span class="s">'low'</span><span class="p">,</span> <span class="s">'close'</span><span class="p">),</span> <span class="n">subplots</span><span class="o">=</span><span class="bp">False</span><span class="p">)</span> <span class="c"># test 6; labeling, if no names in csv-file</span> <span class="n">plotfile</span><span class="p">(</span><span class="n">fname2</span><span class="p">,</span> <span class="n">cols</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="mi">2</span><span class="p">),</span> <span class="n">delimiter</span><span class="o">=</span><span class="s">' '</span><span class="p">,</span> <span class="n">names</span><span class="o">=</span><span class="p">[</span><span class="s">'$x$'</span><span class="p">,</span> <span class="s">'$f(x)=x^2$'</span><span class="p">,</span> <span class="s">'$f(x)=x^3$'</span><span class="p">])</span> <span class="c"># test 7; more than one file per figure--illustrated here with a single file</span> <span class="n">plotfile</span><span class="p">(</span><span class="n">fname2</span><span class="p">,</span> <span class="n">cols</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">delimiter</span><span class="o">=</span><span class="s">' '</span><span class="p">)</span> <span class="n">plotfile</span><span class="p">(</span><span class="n">fname2</span><span class="p">,</span> <span class="n">cols</span><span class="o">=</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> <span class="n">newfig</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">delimiter</span><span class="o">=</span><span class="s">' '</span><span class="p">)</span> <span class="c"># use current figure</span> <span class="n">gca</span><span class="p">()</span><span class="o">.</span><span class="n">set_xlabel</span><span class="p">(</span><span class="s">r'$x$'</span><span class="p">)</span> <span class="n">gca</span><span class="p">()</span><span class="o">.</span><span class="n">set_ylabel</span><span class="p">(</span><span class="s">r'$f(x) = x^2, x^3$'</span><span class="p">)</span> <span class="c"># test 8; use bar for volume</span> <span class="n">plotfile</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">5</span><span class="p">,</span><span class="mi">6</span><span class="p">),</span> <span class="n">plotfuncs</span><span class="o">=</span><span class="p">{</span><span class="mi">5</span><span class="p">:</span><span class="s">'bar'</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 href="../../gallery.html">gallery</a>| </li> <li><a href="../../contents.html">docs</a> »</li> </ul> </div> <div class="footer"> © Copyright 2008, John Hunter, Darren Dale, Michael Droettboom. 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