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

.. only:: html

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

        Click :ref:`here <sphx_glr_download_gallery_mplot3d_voxels.py>`
        to download the full example code

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

.. _sphx_glr_gallery_mplot3d_voxels.py:


==========================
3D voxel / volumetric plot
==========================

Demonstrates plotting 3D volumetric objects with `.Axes3D.voxels`.

.. GENERATED FROM PYTHON SOURCE LINES 8-37



.. image:: /gallery/mplot3d/images/sphx_glr_voxels_001.png
    :alt: voxels
    :class: sphx-glr-single-img





.. code-block:: default


    import matplotlib.pyplot as plt
    import numpy as np


    # prepare some coordinates
    x, y, z = np.indices((8, 8, 8))

    # draw cuboids in the top left and bottom right corners, and a link between
    # them
    cube1 = (x < 3) & (y < 3) & (z < 3)
    cube2 = (x >= 5) & (y >= 5) & (z >= 5)
    link = abs(x - y) + abs(y - z) + abs(z - x) <= 2

    # combine the objects into a single boolean array
    voxels = cube1 | cube2 | link

    # set the colors of each object
    colors = np.empty(voxels.shape, dtype=object)
    colors[link] = 'red'
    colors[cube1] = 'blue'
    colors[cube2] = 'green'

    # and plot everything
    fig = plt.figure()
    ax = fig.gca(projection='3d')
    ax.voxels(voxels, facecolors=colors, edgecolor='k')

    plt.show()


.. _sphx_glr_download_gallery_mplot3d_voxels.py:


.. only :: html

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



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

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



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

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


.. only:: html

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

    Keywords: matplotlib code example, codex, python plot, pyplot
    `Gallery generated by Sphinx-Gallery
    <https://sphinx-gallery.readthedocs.io>`_