.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/introductory/02.contour.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        :ref:`Go to the end <sphx_glr_download_gallery_introductory_02.contour.py>`
        to download the full example code

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

.. _sphx_glr_gallery_introductory_02.contour.py:


=======
Contour
=======

Contour plots can be done using ``ax.tricontour`` or ``ax.tricontourf``.

.. GENERATED FROM PYTHON SOURCE LINES 8-43



.. image-sg:: /gallery/introductory/images/sphx_glr_02.contour_001.svg
   :alt: tricontour, tricontourf
   :srcset: /gallery/introductory/images/sphx_glr_02.contour_001.svg
   :class: sphx-glr-single-img





.. code-block:: Python

    import numpy as np

    import matplotlib.pyplot as plt
    from mpltern.datasets import get_shanon_entropies

    t, l, r, v = get_shanon_entropies()

    fig = plt.figure(figsize=(10.8, 4.8))
    fig.subplots_adjust(left=0.075, right=0.85, wspace=0.3)

    # These values are for controlling the color-bar scale, and here they are
    # explicitly given just to make the same color-bar scale for all the plots.
    # In general, you may not need to explicitly specify them.
    vmin = 0.0
    vmax = 1.2
    levels = np.linspace(vmin, vmax, 7)

    ax = fig.add_subplot(1, 2, 1, projection='ternary')
    cs = ax.tricontour(t, l, r, v, levels=levels)
    ax.clabel(cs)
    ax.set_title("tricontour")

    cax = ax.inset_axes([1.05, 0.1, 0.05, 0.9], transform=ax.transAxes)
    colorbar = fig.colorbar(cs, cax=cax)
    colorbar.set_label('Entropy', rotation=270, va='baseline')

    ax = fig.add_subplot(1, 2, 2, projection='ternary')
    cs = ax.tricontourf(t, l, r, v, levels=levels)
    ax.set_title("tricontourf")

    cax = ax.inset_axes([1.05, 0.1, 0.05, 0.9], transform=ax.transAxes)
    colorbar = fig.colorbar(cs, cax=cax)
    colorbar.set_label('Entropy', rotation=270, va='baseline')

    plt.show()


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 2.037 seconds)


.. _sphx_glr_download_gallery_introductory_02.contour.py:

.. only:: html

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

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

      :download:`Download Jupyter notebook: 02.contour.ipynb <02.contour.ipynb>`

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

      :download:`Download Python source code: 02.contour.py <02.contour.py>`


.. only:: html

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

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