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

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

.. _sphx_glr_gallery_subplots_axes_and_figures_zoom_inset_axes.py:


======================
Zoom region inset axes
======================

Example of an inset axes and a rectangle showing where the zoom is located.




.. code-block:: python


    import matplotlib.pyplot as plt
    import numpy as np


    def get_demo_image():
        from matplotlib.cbook import get_sample_data
        import numpy as np
        f = get_sample_data("axes_grid/bivariate_normal.npy", asfileobj=False)
        z = np.load(f)
        # z is a numpy array of 15x15
        return z, (-3, 4, -4, 3)

    fig, ax = plt.subplots(figsize=[5, 4])

    # make data
    Z, extent = get_demo_image()
    Z2 = np.zeros([150, 150], dtype="d")
    ny, nx = Z.shape
    Z2[30:30 + ny, 30:30 + nx] = Z

    ax.imshow(Z2, extent=extent, interpolation="nearest",
              origin="lower")

    # inset axes....
    axins = ax.inset_axes([0.5, 0.5, 0.47, 0.47])
    axins.imshow(Z2, extent=extent, interpolation="nearest",
              origin="lower")
    # sub region of the original image
    x1, x2, y1, y2 = -1.5, -0.9, -2.5, -1.9
    axins.set_xlim(x1, x2)
    axins.set_ylim(y1, y2)
    axins.set_xticklabels('')
    axins.set_yticklabels('')

    ax.indicate_inset_zoom(axins)

    plt.show()




.. image:: /gallery/subplots_axes_and_figures/images/sphx_glr_zoom_inset_axes_001.png
    :class: sphx-glr-single-img




------------

References
""""""""""

The use of the following functions and methods is shown in this example:



.. code-block:: python


    import matplotlib
    matplotlib.axes.Axes.inset_axes
    matplotlib.axes.Axes.indicate_inset_zoom
    matplotlib.axes.Axes.imshow







.. _sphx_glr_download_gallery_subplots_axes_and_figures_zoom_inset_axes.py:


.. only :: html

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



  .. container:: sphx-glr-download

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



  .. container:: sphx-glr-download

     :download:`Download Jupyter notebook: zoom_inset_axes.ipynb <zoom_inset_axes.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>`_
