.. only:: html .. note:: :class: sphx-glr-download-link-note Click :ref:`here ` 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`. .. 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 ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: voxels.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_