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<h1>3D plots as subplots<a class="headerlink" href="#d-plots-as-subplots" title="Permalink to this headline">¶</a></h1>

Demonstrate including 3D plots as subplots.

<div class="highlight-python notranslate"><div class="highlight"><pre>import matplotlib.pyplot as plt

from matplotlib import cm

import numpy as np

from mpl_toolkits.mplot3d.axes3d import get_test_data

# This import registers the 3D projection, but is otherwise unused.

from mpl_toolkits.mplot3d import Axes3D # noqa: F401 unused import

# set up a figure twice as wide as it is tall

fig = <a href="../../api/_as_gen/matplotlib.pyplot.figure.html#matplotlib.pyplot.figure" title="View documentation for matplotlib.pyplot.figure">plt.figure</a>(figsize=plt.figaspect(0.5))

#===============

# First subplot

#===============

# set up the axes for the first plot

ax = fig.add_subplot(1, 2, 1, projection='3d')

# plot a 3D surface like in the example mplot3d/surface3d_demo

X = <a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.arange.html#numpy.arange" title="View documentation for numpy.arange">np.arange</a>(-5, 5, 0.25)

Y = <a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.arange.html#numpy.arange" title="View documentation for numpy.arange">np.arange</a>(-5, 5, 0.25)

X, Y = <a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.meshgrid.html#numpy.meshgrid" title="View documentation for numpy.meshgrid">np.meshgrid</a>(X, Y)

R = <a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.sqrt.html#numpy.sqrt" title="View documentation for numpy.sqrt">np.sqrt</a>(X**2 + Y**2)

Z = <a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.sin.html#numpy.sin" title="View documentation for numpy.sin">np.sin</a>(R)

surf = ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=cm.coolwarm,

linewidth=0, antialiased=False)

ax.set_zlim(-1.01, 1.01)

fig.colorbar(surf, shrink=0.5, aspect=10)

#===============

# Second subplot

#===============

# set up the axes for the second plot

ax = fig.add_subplot(1, 2, 2, projection='3d')

# plot a 3D wireframe like in the example mplot3d/wire3d_demo

X, Y, Z = get_test_data(0.05)

ax.plot_wireframe(X, Y, Z, rstride=10, cstride=10)

<a href="../../api/_as_gen/matplotlib.pyplot.show.html#matplotlib.pyplot.show" title="View documentation for matplotlib.pyplot.show">plt.show</a>()

</pre></div>

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<a class="reference download internal" href="../../_downloads/subplot3d.py" download=""><code class="xref download docutils literal notranslate">Download Python source code: subplot3d.py</code></a></div>

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Keywords: matplotlib code example, codex, python plot, pyplot

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