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

.. only:: html

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

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

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

.. _sphx_glr_advanced_image_processing_auto_examples_plot_radial_mean.py:


Radial mean
============

This example shows how to do a radial mean with scikit-image.

.. GENERATED FROM PYTHON SOURCE LINES 7-28



.. image-sg:: /advanced/image_processing/auto_examples/images/sphx_glr_plot_radial_mean_001.png
   :alt: plot radial mean
   :srcset: /advanced/image_processing/auto_examples/images/sphx_glr_plot_radial_mean_001.png
   :class: sphx-glr-single-img





.. code-block:: Python


    import numpy as np
    import scipy as sp
    import matplotlib.pyplot as plt

    f = sp.datasets.face(gray=True)
    sx, sy = f.shape
    X, Y = np.ogrid[0:sx, 0:sy]


    r = np.hypot(X - sx / 2, Y - sy / 2)

    rbin = (20 * r / r.max()).astype(int)
    radial_mean = sp.ndimage.mean(f, labels=rbin, index=np.arange(1, rbin.max() + 1))

    plt.figure(figsize=(5, 5))
    plt.axes((0, 0, 1, 1))
    plt.imshow(rbin, cmap="nipy_spectral")
    plt.axis("off")

    plt.show()


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

   **Total running time of the script:** (0 minutes 0.226 seconds)


.. _sphx_glr_download_advanced_image_processing_auto_examples_plot_radial_mean.py:

.. only:: html

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

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

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

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

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

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: plot_radial_mean.zip <plot_radial_mean.zip>`


.. only:: html

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

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