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

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

.. _sphx_glr_packages_scikit-image_auto_examples_plot_check.py:


Creating an image
==================

How to create an image with basic NumPy commands : ``np.zeros``, slicing...

This examples show how to create a simple checkerboard.




.. image:: /packages/scikit-image/auto_examples/images/sphx_glr_plot_check_001.png
    :class: sphx-glr-single-img





.. code-block:: python


    import numpy as np
    import matplotlib.pyplot as plt

    check = np.zeros((8, 8))
    check[::2, 1::2] = 1
    check[1::2, ::2] = 1
    plt.matshow(check, cmap='gray')
    plt.show()

**Total running time of the script:** ( 0 minutes  0.011 seconds)


.. _sphx_glr_download_packages_scikit-image_auto_examples_plot_check.py:


.. only :: html

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



  .. container:: sphx-glr-download

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



  .. container:: sphx-glr-download

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


.. only:: html

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

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