.. only:: html

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

        Click :ref:`here <sphx_glr_download_gallery_style_sheets_grayscale.py>`     to download the full example code
    .. rst-class:: sphx-glr-example-title

    .. _sphx_glr_gallery_style_sheets_grayscale.py:


=====================
Grayscale style sheet
=====================

This example demonstrates the "grayscale" style sheet, which changes all colors
that are defined as rc parameters to grayscale. Note, however, that not all
plot elements default to colors defined by an rc parameter.



.. image:: /gallery/style_sheets/images/sphx_glr_grayscale_001.png
    :class: sphx-glr-single-img






.. code-block:: default

    import numpy as np
    import matplotlib.pyplot as plt

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


    def color_cycle_example(ax):
        L = 6
        x = np.linspace(0, L)
        ncolors = len(plt.rcParams['axes.prop_cycle'])
        shift = np.linspace(0, L, ncolors, endpoint=False)
        for s in shift:
            ax.plot(x, np.sin(x + s), 'o-')


    def image_and_patch_example(ax):
        ax.imshow(np.random.random(size=(20, 20)), interpolation='none')
        c = plt.Circle((5, 5), radius=5, label='patch')
        ax.add_patch(c)


    plt.style.use('grayscale')

    fig, (ax1, ax2) = plt.subplots(ncols=2)
    fig.suptitle("'grayscale' style sheet")

    color_cycle_example(ax1)
    image_and_patch_example(ax2)

    plt.show()


.. _sphx_glr_download_gallery_style_sheets_grayscale.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: grayscale.py <grayscale.py>`



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

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


.. only:: html

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

    Keywords: matplotlib code example, codex, python plot, pyplot
    `Gallery generated by Sphinx-Gallery
    <https://sphinx-gallery.readthedocs.io>`_