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<div class="section" id="filled-contours">
<span id="sphx-glr-gallery-mplot3d-contourf3d-py"></span><h1>Filled contours<a class="headerlink" href="#filled-contours" title="Permalink to this headline">¶</a></h1>
<p>contourf differs from contour in that it creates filled contours, ie.
a discrete number of colours are used to shade the domain.</p>
<p>This is like a contourf plot in 2D except that the shaded region corresponding
to the level c is graphed on the plane z=c.</p>
<img alt="../../_images/sphx_glr_contourf3d_001.png" class="align-center" src="../../_images/sphx_glr_contourf3d_001.png" />
<div class="highlight-python"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">mpl_toolkits.mplot3d</span> <span class="kn">import</span> <span class="n">axes3d</span>
<span class="kn">import</span> <span class="nn">matplotlib.pyplot</span> <span class="kn">as</span> <span class="nn">plt</span>
<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="kn">import</span> <span class="n">cm</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">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">'3d'</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="o">=</span> <span class="n">axes3d</span><span class="o">.</span><span class="n">get_test_data</span><span class="p">(</span><span class="mf">0.05</span><span class="p">)</span>
<span class="n">cset</span> <span class="o">=</span> <span class="n">ax</span><span class="o">.</span><span class="n">contourf</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">ax</span><span class="o">.</span><span class="n">clabel</span><span class="p">(</span><span class="n">cset</span><span class="p">,</span> <span class="n">fontsize</span><span class="o">=</span><span class="mi">9</span><span class="p">,</span> <span class="n">inline</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
<a href="../../api/_as_gen/matplotlib.pyplot.show.html#matplotlib.pyplot.show" title="View documentation for matplotlib.pyplot.show"><span class="n">plt</span><span class="o">.</span><span class="n">show</span></a><span class="p">()</span>
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