<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>mplot3d example code: surface3d_demo.py &mdash; Matplotlib 2.0.2 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: '2.0.2',

COLLAPSE_INDEX: false,

FILE_SUFFIX: '.html',

HAS_SOURCE: true,

SOURCELINK_SUFFIX: '.txt'

};

</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 2.0.2 documentation"

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

<link rel="shortcut icon" href="../../_static/favicon.ico"/>

<link rel="index" title="Index" href="../../genindex.html"

<link rel="search" title="Search" href="../../search.html"

<link rel="top" title="Matplotlib 2.0.2 documentation" href="../../index.html" />

<link rel="up" title="mplot3d Examples" href="index.html" />

<link rel="next" title="mplot3d example code: surface3d_demo2.py" href="surface3d_demo2.html" />

<link rel="prev" title="mplot3d example code: subplot3d_demo.py" href="subplot3d_demo.html" />

</head>

<body>

<img style="float: right; margin-bottom: -40px; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_orange_ff7600.png" usemap="#ribbonmap"/>

<map name="ribbonmap">

<area shape="poly" coords="15,0,148,-1,148,135" href="https://github.com/matplotlib/matplotlib" title="Fork me on GitHub" />

<div style="background-color: white; text-align: left; padding: 10px 10px 15px 15px">

<a href="../../index.html"><img src="../../_static/logo2.svg" width="540px" border="0" alt="matplotlib"/></a>

<div class="related">

<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 class="right" >

<a href="surface3d_demo2.html" title="mplot3d example code: surface3d_demo2.py"

accesskey="N">next</a> |</li>

<li class="right" >

<a href="subplot3d_demo.html" title="mplot3d example code: subplot3d_demo.py"

accesskey="P">previous</a> |</li>

<li><a href="../../index.html">home</a>|&nbsp;</li>

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

<li><a href="../../gallery.html">gallery</a>|&nbsp;</li>

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

<li><a href="../../contents.html">docs</a> &raquo;</li>

<li><a href="../index.html" >Matplotlib Examples</a> &raquo;</li>

<li><a href="index.html" accesskey="U">mplot3d Examples</a> &raquo;</li>

</ul>

</div>

<div class="sphinxsidebar">

<div class="sphinxsidebarwrapper">

<a href="http://depsy.org/package/python/matplotlib">

<img src="../../_static/depsy_badge.svg">

Travis-CI: <a href="https://travis-ci.org/matplotlib/matplotlib">

<img src="https://travis-ci.org/matplotlib/matplotlib.svg?branch=master"/>

<br/><div class="relations">

<h3>Related Topics</h3>

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

<li><a href="../index.html">Matplotlib Examples</a><ul>

<li><a href="index.html">mplot3d Examples</a><ul>

<li>Previous: <a href="subplot3d_demo.html" title="previous chapter">mplot3d example code: subplot3d_demo.py</a></li>

<li>Next: <a href="surface3d_demo2.html" title="next chapter">mplot3d example code: surface3d_demo2.py</a></li>

</ul></li>

</ul></li>

</ul></li>

<div role="note" aria-label="source link">

<h3>This Page</h3>

<ul class="this-page-menu">

<li><a href="../../_sources/examples/mplot3d/surface3d_demo.rst.txt"

rel="nofollow">Show Source</a></li>

</ul>

</div>

<div id="searchbox" style="display: none" role="search">

<h3>Quick search</h3>

<form class="search" action="../../search.html" method="get">

<div><input type="text" name="q" /></div>

<div><input type="submit" value="Go" /></div>

<input type="hidden" name="check_keywords" value="yes" />

<input type="hidden" name="area" value="default" />

</form>

<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="mplot3d-example-code-surface3d-demo-py">

<span id="mplot3d-surface3d-demo"></span><h1>mplot3d example code: surface3d_demo.py<a class="headerlink" href="#mplot3d-example-code-surface3d-demo-py" title="Permalink to this headline">¶</a></h1>

<p>(<a class="reference external" href="../../mpl_examples/mplot3d/surface3d_demo.py">Source code</a>, <a class="reference external" href="../../mpl_examples/mplot3d/surface3d_demo.png">png</a>, <a class="reference external" href="../../mpl_examples/mplot3d/surface3d_demo.pdf">pdf</a>)</p>

<div class="figure">

<img alt="../../_images/surface3d_demo4.png" src="../../_images/surface3d_demo4.png" />

<div class="highlight-default"><div class="highlight"><pre><span></span><span class="sd">&#39;&#39;&#39;</span>

<span class="sd">======================</span>

<span class="sd">3D surface (color map)</span>

<span class="sd">======================</span>

<span class="sd">Demonstrates plotting a 3D surface colored with the coolwarm color map.</span>

<span class="sd">The surface is made opaque by using antialiased=False.</span>

<span class="sd">Also demonstrates using the LinearLocator and custom formatting for the</span>

<span class="sd">z axis tick labels.</span>

<span class="sd">&#39;&#39;&#39;</span>

<span class="kn">from</span> <span class="nn">mpl_toolkits.mplot3d</span> <span class="k">import</span> <span class="n">Axes3D</span>

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

<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="k">import</span> <span class="n">cm</span>

<span class="kn">from</span> <span class="nn">matplotlib.ticker</span> <span class="k">import</span> <span class="n">LinearLocator</span><span class="p">,</span> <span class="n">FormatStrFormatter</span>

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

<span class="n">fig</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">figure</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">gca</span><span class="p">(</span><span class="n">projection</span><span class="o">=</span><span class="s1">&#39;3d&#39;</span><span class="p">)</span>

<span class="c1"># Make data.</span>

<span class="n">X</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="o">-</span><span class="mi">5</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mf">0.25</span><span class="p">)</span>

<span class="n">Y</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="o">-</span><span class="mi">5</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mf">0.25</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="n">np</span><span class="o">.</span><span class="n">meshgrid</span><span class="p">(</span><span class="n">X</span><span class="p">,</span> <span class="n">Y</span><span class="p">)</span>

<span class="n">R</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sqrt</span><span class="p">(</span><span class="n">X</span><span class="o">**</span><span class="mi">2</span> <span class="o">+</span> <span class="n">Y</span><span class="o">**</span><span class="mi">2</span><span class="p">)</span>

<span class="n">Z</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sin</span><span class="p">(</span><span class="n">R</span><span class="p">)</span>

<span class="c1"># Plot the surface.</span>

<span class="n">surf</span> <span class="o">=</span> <span class="n">ax</span><span class="o">.</span><span class="n">plot_surface</span><span class="p">(</span><span class="n">X</span><span class="p">,</span> <span class="n">Y</span><span class="p">,</span> <span class="n">Z</span><span class="p">,</span> <span class="n">cmap</span><span class="o">=</span><span class="n">cm</span><span class="o">.</span><span class="n">coolwarm</span><span class="p">,</span>

<span class="n">linewidth</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">antialiased</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>

<span class="c1"># Customize the z axis.</span>

<span class="n">ax</span><span class="o">.</span><span class="n">set_zlim</span><span class="p">(</span><span class="o">-</span><span class="mf">1.01</span><span class="p">,</span> <span class="mf">1.01</span><span class="p">)</span>

<span class="n">ax</span><span class="o">.</span><span class="n">zaxis</span><span class="o">.</span><span class="n">set_major_locator</span><span class="p">(</span><span class="n">LinearLocator</span><span class="p">(</span><span class="mi">10</span><span class="p">))</span>

<span class="n">ax</span><span class="o">.</span><span class="n">zaxis</span><span class="o">.</span><span class="n">set_major_formatter</span><span class="p">(</span><span class="n">FormatStrFormatter</span><span class="p">(</span><span class="s1">&#39;</span><span class="si">%.02f</span><span class="s1">&#39;</span><span class="p">))</span>

<span class="c1"># Add a color bar which maps values to colors.</span>

<span class="n">fig</span><span class="o">.</span><span class="n">colorbar</span><span class="p">(</span><span class="n">surf</span><span class="p">,</span> <span class="n">shrink</span><span class="o">=</span><span class="mf">0.5</span><span class="p">,</span> <span class="n">aspect</span><span class="o">=</span><span class="mi">5</span><span class="p">)</span>

<span class="n">plt</span><span class="o">.</span><span class="n">show</span><span class="p">()</span>

<p>Keywords: python, matplotlib, pylab, example, codex (see <a class="reference internal" href="../../faq/howto_faq.html#how-to-search-examples"><span class="std std-ref">Search examples</span></a>)</p>

</div>

</div>

</div>

<div class="clearer"></div>

</div>

<div class="footer">

&copy; Copyright 2002 - 2012 John Hunter, Darren Dale, Eric Firing, Michael Droettboom and the Matplotlib development team; 2012 - 2016 The Matplotlib development team.

Last updated on May 10, 2017.

Created using <a

href="http://sphinx-doc.org/">Sphinx</a> 1.5.5.

</div>

(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){

(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),

m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)

})(window,document,'script','//www.google-analytics.com/analytics.js','ga');

ga('create', 'UA-55954603-1', 'auto');

ga('send', 'pageview');

<!--Flipcause Integration v3.0// Flipcause Integration Instructions:

.fc-black_overlay{

display:none; position: fixed; z-index:1000001; top: 0%;left: 0%;width: 100%;height: 100%;

background-color: black; filter: alpha(opacity=50); cursor:pointer; opacity:0.5;

}

.fc-white_content {

opacity:1; display:none; margin-top: -320px; margin-left: -485px; width:970px; height:640px;

position:fixed; top:50%; left:50%; border: none;z-index:1000002;overflow: auto;

}

.fc-main-box{

opacity:1; display:none; margin:15px auto 0 auto; width:930px; position:relative; z-index:1000003;

}

.fc-widget_close{

opacity:1; content:url(http://i1338.photobucket.com/albums/o691/WeCause/X_zpse4a7e538.png);

position:absolute; z-index=1000004; right:-16px; top:-16px; display:block; cursor:pointer;

}

.floating_button{

display: block; margin-top: 0px; margin-left: 0px; width:auto ; height: auto;

position:fixed; z-index:999999; overflow: auto;

}

@keyframes backfadesin {

from { opacity:0; }

to {opacity:.5;}

}

@-moz-keyframes backfadesin {

from { opacity:0; }

to {opacity:.5;}

}

@-webkit-keyframes backfadesin {

from { opacity:0; }

to {opacity:.5;}

}

@-o-keyframes backfadesin {

from { opacity:0; }

to {opacity:.5;}

}

@-ms-keyframes backfadesin {

from { opacity:0; }

to {opacity:.5;}

}

@keyframes fadesin {

0%{ opacity:0; }

50%{ opacity:0; }

75% {opacity: 0; transform: translateY(20px);}

100% {opacity: 1; transform: translateY(0);}

}

@-moz-keyframes fadesin {

0%{ opacity:0; }

50%{ opacity:0; }

75% {opacity: 0; -moz-transform: translateY(20px);}

100% {opacity: 1; -moz-transform: translateY(0);}

}

@-webkit-keyframes fadesin {

0%{ opacity:0; }

50%{ opacity:0; }

75% {opacity: 0; -webkit-transform: translateY(20px);}

100% {opacity: 1; -webkit-transform: translateY(0);}

}

@-o-keyframes fadesin {

0%{ opacity:0; }

50%{ opacity:0; }

75% {opacity: 0; -o-transform: translateY(20px);}

100% {opacity: 1; -o-transform: translateY(0);}

}

@-ms-keyframes fadesin {

0%{ opacity:0; }

50%{ opacity:0; }

75% {opacity: 0; -ms-transform: translateY(20px);}

100% {opacity: 1; -ms-transform: translateY(0);}

}

function open_window(cause_id) {

var protocol=String(document.location.protocol);

var new_url;

if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)){

else {

document.getElementById("fc-fade").style.display = "block";

document.getElementById("fc-fade").style.webkitAnimation = "backfadesin 1s";

document.getElementById("fc-fade").style.animation = "backfadesin 1s";

document.getElementById("fc-fade").style.mozAnimation = "backfadesin 1s";

document.getElementById("fc-light").style.display = "block";

document.getElementById("fc-light").style.webkitAnimation = "fadesin 1.5s";

document.getElementById("fc-light").style.animation = "fadesin 1.5s";

document.getElementById("fc-light").style.mozAnimation = "fadesin 1.5s";

document.getElementById("fc-main").style.display = "block";

document.getElementById("fc-main").style.webkitAnimation = "fadesin 1.5s";

document.getElementById("fc-main").style.animation = "fadesin 1.5s";

document.getElementById("fc-main").style.mozAnimation = "fadesin 1.5s";

document.getElementById("fc-close").style.display = "block";

document.getElementById("fc-close").style.webkitAnimation = "fadesin 1.5s";

document.getElementById("fc-close").style.animation = "fadesin 1.5s";

document.getElementById("fc-close").style.mozAnimation = "fadesin 1.5s";

document.getElementById("fc-myFrame").style.display = "block";

document.getElementById("fc-myFrame").style.webkitAnimation = "fadesin 1.5s";

document.getElementById("fc-myFrame").style.animation = "fadesin 1.5s";

document.getElementById("fc-myFrame").style.mozAnimation = "fadesin 1.5s";

function close_window() {

<div id="fc-fade" class="fc-black_overlay" onclick="close_window()"></div>

<div id="fc-light" class="fc-white_content">

<div id="fc-main" class="fc-main-box">

<div id="fc-close" class="fc-widget_close" onclick="close_window()">

</div><iframe id="fc-myFrame" iframe height="580" width="925" style="border: 0;

border-radius:5px 5px 5px 5px; box-shadow:0 0 8px rgba(0, 0, 0, 0.5);" scrolling="no" src=""></iframe></div>