

.. _sphx_glr_gallery_pie_and_polar_charts_polar_bar.py:


=======================
Pie chart on polar axis
=======================

Demo of bar plot on a polar axis.




.. image:: /gallery/pie_and_polar_charts/images/sphx_glr_polar_bar_001.png
    :align: center





.. code-block:: python

    import numpy as np
    import matplotlib.pyplot as plt


    # Fixing random state for reproducibility
    np.random.seed(19680801)

    # Compute pie slices
    N = 20
    theta = np.linspace(0.0, 2 * np.pi, N, endpoint=False)
    radii = 10 * np.random.rand(N)
    width = np.pi / 4 * np.random.rand(N)

    ax = plt.subplot(111, projection='polar')
    bars = ax.bar(theta, radii, width=width, bottom=0.0)

    # Use custom colors and opacity
    for r, bar in zip(radii, bars):
        bar.set_facecolor(plt.cm.viridis(r / 10.))
        bar.set_alpha(0.5)

    plt.show()

**Total running time of the script:** ( 0 minutes  0.030 seconds)



.. container:: sphx-glr-footer


  .. container:: sphx-glr-download

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



  .. container:: sphx-glr-download

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

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

    `Generated by Sphinx-Gallery <https://sphinx-gallery.readthedocs.io>`_
