.. 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_contour3d.py: ================================================== Demonstrates plotting contour (level) curves in 3D ================================================== This is like a contour plot in 2D except that the ``f(x, y)=c`` curve is plotted on the plane ``z=c``. .. image:: /gallery/mplot3d/images/sphx_glr_contour3d_001.png :alt: contour3d :class: sphx-glr-single-img .. code-block:: default from mpl_toolkits.mplot3d import axes3d import matplotlib.pyplot as plt from matplotlib import cm fig = plt.figure() ax = fig.gca(projection='3d') X, Y, Z = axes3d.get_test_data(0.05) # Plot contour curves cset = ax.contour(X, Y, Z, cmap=cm.coolwarm) ax.clabel(cset, fontsize=9, inline=1) plt.show() .. _sphx_glr_download_gallery_mplot3d_contour3d.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: contour3d.py ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: contour3d.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_