.. note::
    :class: sphx-glr-download-link-note

    Click :ref:`here <sphx_glr_download_intro_matplotlib_auto_examples_plot_plot3d.py>` to download the full example code
.. rst-class:: sphx-glr-example-title

.. _sphx_glr_intro_matplotlib_auto_examples_plot_plot3d.py:


3D plotting
===========

A simple example of 3D plotting.




.. image:: /intro/matplotlib/auto_examples/images/sphx_glr_plot_plot3d_001.png
    :class: sphx-glr-single-img





.. code-block:: python


    import numpy as np
    import matplotlib.pyplot as plt
    from mpl_toolkits.mplot3d import Axes3D

    fig = plt.figure()
    ax = Axes3D(fig)
    X = np.arange(-4, 4, 0.25)
    Y = np.arange(-4, 4, 0.25)
    X, Y = np.meshgrid(X, Y)
    R = np.sqrt(X ** 2 + Y ** 2)
    Z = np.sin(R)

    ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=plt.cm.hot)
    ax.contourf(X, Y, Z, zdir='z', offset=-2, cmap=plt.cm.hot)
    ax.set_zlim(-2, 2)

    plt.show()

**Total running time of the script:** ( 0 minutes  0.122 seconds)


.. _sphx_glr_download_intro_matplotlib_auto_examples_plot_plot3d.py:


.. only :: html

 .. container:: sphx-glr-footer
    :class: sphx-glr-footer-example



  .. container:: sphx-glr-download

     :download:`Download Python source code: plot_plot3d.py <plot_plot3d.py>`



  .. container:: sphx-glr-download

     :download:`Download Jupyter notebook: plot_plot3d.ipynb <plot_plot3d.ipynb>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.readthedocs.io>`_