matplotlib.github.com/2.2.3/gallery/widgets/cursor.html at main · matplotlib/matplotlib.github.com · GitHub

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>Cursor — Matplotlib 2.2.3 documentation</title>

type="text/css" />

type="text/css" />

var DOCUMENTATION_OPTIONS = {

URL_ROOT: '../../',

VERSION: '2.2.3',

COLLAPSE_INDEX: false,

FILE_SUFFIX: '.html',

HAS_SOURCE: true,

SOURCELINK_SUFFIX: '.txt'

};

</script>

title="Search within Matplotlib 2.2.3 documentation"

href="../../_static/opensearch.xml"/>

</head>

<body>

<div id="unreleased-message"> You are reading an old version of the documentation (v2.2.3). For the latest version see <a href="https://matplotlib.org/stable/gallery/widgets/cursor.html">https://matplotlib.org/stable/gallery/widgets/cursor.html</a></div>

<div style="float: left; position: absolute; width: 496px; bottom: 0; padding-bottom: 24px"><span style="float: right; color: #789; background: white">Version 2.2.3</span></div>

<div id="forkongithub"><a href="https://github.com/matplotlib/matplotlib">Fork me on GitHub</a></div>

</div>

<h3>Navigation</h3>

<ul>

<a href="../../genindex.html" title="General Index"

accesskey="I">index</a></li>

<a href="../../py-modindex.html" title="Python Module Index"

>modules</a> |</li>

<li><a href="../index.html">examples</a>| </li>

<li><a href="../../tutorials/index.html">tutorials</a>| </li>

<li><a href="../../api/pyplot_summary.html">pyplot</a>| </li>

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<h3>Related Topics</h3>

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<li><a href="../../contents.html">Documentation overview</a><ul>

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<div id="sidebar-pagesource" role="note" aria-label="source link"

style="margin-top: 1.5em; padding-top: 0.1em; border-top: 1px solid #86989b">

<a href="../../_sources/gallery/widgets/cursor.rst.txt"

style="color: #c0c0c0" rel="nofollow">Show Page Source</a>

</div>

<p class="last">Click <a class="reference internal" href="#sphx-glr-download-gallery-widgets-cursor-py"><span class="std std-ref">here</span></a> to download the full example code</p>

</div>

<span id="sphx-glr-gallery-widgets-cursor-py"></span><h1>Cursor<a class="headerlink" href="#cursor" title="Permalink to this headline">¶</a></h1>

<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">matplotlib.widgets</span> <span class="kn">import</span> <a href="../../api/widgets_api.html#matplotlib.widgets.Cursor" title="View documentation for matplotlib.widgets.Cursor"><span class="n">Cursor</span></a>

<span class="kn">import</span> <span class="nn">numpy</span> <span class="kn">as</span> <span class="nn">np</span>

<span class="kn">import</span> <span class="nn">matplotlib.pyplot</span> <span class="kn">as</span> <span class="nn">plt</span>

<span class="c1"># Fixing random state for reproducibility</span>

<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.seed.html#numpy.random.seed" title="View documentation for numpy.random.seed"><span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">seed</span></a><span class="p">(</span><span class="mi">19680801</span><span class="p">)</span>

<span class="n">fig</span> <span class="o">=</span> <a href="../../api/_as_gen/matplotlib.pyplot.figure.html#matplotlib.pyplot.figure" title="View documentation for matplotlib.pyplot.figure"><span class="n">plt</span><span class="o">.</span><span class="n">figure</span></a><span class="p">(</span><span class="n">figsize</span><span class="o">=</span><span class="p">(</span><span class="mi">8</span><span class="p">,</span> <span class="mi">6</span><span class="p">))</span>

<span class="n">ax</span> <span class="o">=</span> <span class="n">fig</span><span class="o">.</span><span class="n">add_subplot</span><span class="p">(</span><span class="mi">111</span><span class="p">,</span> <span class="n">facecolor</span><span class="o">=</span><span class="s1">'#FFFFCC'</span><span class="p">)</span>

<span class="n">x</span><span class="p">,</span> <span class="n">y</span> <span class="o">=</span> <span class="mi">4</span><span class="o">*</span><span class="p">(</span><a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.rand.html#numpy.random.rand" title="View documentation for numpy.random.rand"><span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">rand</span></a><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">100</span><span class="p">)</span> <span class="o">-</span> <span class="o">.</span><span class="mi">5</span><span class="p">)</span>

<span class="c1"># set useblit = True on gtkagg for enhanced performance</span>

<span class="n">cursor</span> <span class="o">=</span> <a href="../../api/widgets_api.html#matplotlib.widgets.Cursor" title="View documentation for matplotlib.widgets.Cursor"><span class="n">Cursor</span></a><span class="p">(</span><span class="n">ax</span><span class="p">,</span> <span class="n">useblit</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s1">'red'</span><span class="p">,</span> <span class="n">linewidth</span><span class="o">=</span><span class="mi">2</span><span class="p">)</span>

</pre></div>

</div>

<a class="reference download internal" href="../../_downloads/cursor.py" download=""><code class="xref download docutils literal notranslate"><span class="pre">Download</span> <span class="pre">Python</span> <span class="pre">source</span> <span class="pre">code:</span> <span class="pre">cursor.py</span></code></a></div>

<a class="reference download internal" href="../../_downloads/cursor.ipynb" download=""><code class="xref download docutils literal notranslate"><span class="pre">Download</span> <span class="pre">Jupyter</span> <span class="pre">notebook:</span> <span class="pre">cursor.ipynb</span></code></a></div>

</div>

<p class="sphx-glr-signature">Keywords: matplotlib code example, codex, python plot, pyplot

<a class="reference external" href="https://sphinx-gallery.readthedocs.io">Gallery generated by Sphinx-Gallery</a></p>

</div>

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<br />

Last updated on Aug 11, 2018.

Created using

<ahref="http://sphinx-doc.org/">Sphinx</a> 1.7.6.

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matplotlib.github.com/2.2.3/gallery/widgets/cursor.html at main · matplotlib/matplotlib.github.com · GitHub

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