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<title>Demonstrates plotting contour (level) curves in 3D — Matplotlib 2.2.2 documentation</title>
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<div class="sphx-glr-example-title section" id="demonstrates-plotting-contour-level-curves-in-3d">
<span id="sphx-glr-gallery-mplot3d-contour3d-py"></span><h1>Demonstrates plotting contour (level) curves in 3D<a class="headerlink" href="#demonstrates-plotting-contour-level-curves-in-3d" title="Permalink to this headline">¶</a></h1>
<p>This is like a contour plot in 2D except that the f(x,y)=c curve is plotted
on the plane z=c.</p>
<img alt="../../_images/sphx_glr_contour3d_001.png" class="sphx-glr-single-img" src="../../_images/sphx_glr_contour3d_001.png" />
<div class="highlight-python notranslate"><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>
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<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="c1"># Plot contour curves</span>
<span class="n">cset</span> <span class="o">=</span> <span class="n">ax</span><span class="o">.</span><span class="n">contour</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>
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