.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/mplot3d/surface3d_3.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. meta::
        :keywords: codex

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

        :ref:`Go to the end <sphx_glr_download_gallery_mplot3d_surface3d_3.py>`
        to download the full example code

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_gallery_mplot3d_surface3d_3.py:


=========================
3D surface (checkerboard)
=========================

Demonstrates plotting a 3D surface colored in a checkerboard pattern.

.. GENERATED FROM PYTHON SOURCE LINES 8-41



.. image-sg:: /gallery/mplot3d/images/sphx_glr_surface3d_3_001.png
   :alt: surface3d 3
   :srcset: /gallery/mplot3d/images/sphx_glr_surface3d_3_001.png, /gallery/mplot3d/images/sphx_glr_surface3d_3_001_2_00x.png 2.00x
   :class: sphx-glr-single-img





.. code-block:: Python


    import matplotlib.pyplot as plt
    import numpy as np

    from matplotlib.ticker import LinearLocator

    ax = plt.figure().add_subplot(projection='3d')

    # Make data.
    X = np.arange(-5, 5, 0.25)
    xlen = len(X)
    Y = np.arange(-5, 5, 0.25)
    ylen = len(Y)
    X, Y = np.meshgrid(X, Y)
    R = np.sqrt(X**2 + Y**2)
    Z = np.sin(R)

    # Create an empty array of strings with the same shape as the meshgrid, and
    # populate it with two colors in a checkerboard pattern.
    colortuple = ('y', 'b')
    colors = np.empty(X.shape, dtype=str)
    for y in range(ylen):
        for x in range(xlen):
            colors[y, x] = colortuple[(x + y) % len(colortuple)]

    # Plot the surface with face colors taken from the array we made.
    surf = ax.plot_surface(X, Y, Z, facecolors=colors, linewidth=0)

    # Customize the z axis.
    ax.set_zlim(-1, 1)
    ax.zaxis.set_major_locator(LinearLocator(6))

    plt.show()


.. _sphx_glr_download_gallery_mplot3d_surface3d_3.py:

.. only:: html

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

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: surface3d_3.ipynb <surface3d_3.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: surface3d_3.py <surface3d_3.py>`


.. only:: html

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

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