
.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/axes_grid1/demo_axes_divider.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        Click :ref:`here <sphx_glr_download_gallery_axes_grid1_demo_axes_divider.py>`
        to download the full example code

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

.. _sphx_glr_gallery_axes_grid1_demo_axes_divider.py:


=================
Demo Axes Divider
=================

Axes divider to calculate location of axes and
create a divider for them using existing axes instances.

.. GENERATED FROM PYTHON SOURCE LINES 9-131



.. image:: /gallery/axes_grid1/images/sphx_glr_demo_axes_divider_001.png
    :alt: demo axes divider
    :class: sphx-glr-single-img





.. code-block:: default


    from matplotlib import cbook
    import matplotlib.pyplot as plt


    def get_demo_image():
        z = cbook.get_sample_data("axes_grid/bivariate_normal.npy", np_load=True)
        # z is a numpy array of 15x15
        return z, (-3, 4, -4, 3)


    def demo_simple_image(ax):
        Z, extent = get_demo_image()

        im = ax.imshow(Z, extent=extent)
        cb = plt.colorbar(im)
        plt.setp(cb.ax.get_yticklabels(), visible=False)


    def demo_locatable_axes_hard(fig):

        from mpl_toolkits.axes_grid1 import SubplotDivider, Size
        from mpl_toolkits.axes_grid1.mpl_axes import Axes

        divider = SubplotDivider(fig, 2, 2, 2, aspect=True)

        # axes for image
        ax = Axes(fig, divider.get_position())

        # axes for colorbar
        ax_cb = Axes(fig, divider.get_position())

        h = [Size.AxesX(ax),  # main axes
             Size.Fixed(0.05),  # padding, 0.1 inch
             Size.Fixed(0.2),  # colorbar, 0.3 inch
             ]

        v = [Size.AxesY(ax)]

        divider.set_horizontal(h)
        divider.set_vertical(v)

        ax.set_axes_locator(divider.new_locator(nx=0, ny=0))
        ax_cb.set_axes_locator(divider.new_locator(nx=2, ny=0))

        fig.add_axes(ax)
        fig.add_axes(ax_cb)

        ax_cb.axis["left"].toggle(all=False)
        ax_cb.axis["right"].toggle(ticks=True)

        Z, extent = get_demo_image()

        im = ax.imshow(Z, extent=extent)
        plt.colorbar(im, cax=ax_cb)
        plt.setp(ax_cb.get_yticklabels(), visible=False)


    def demo_locatable_axes_easy(ax):
        from mpl_toolkits.axes_grid1 import make_axes_locatable

        divider = make_axes_locatable(ax)

        ax_cb = divider.new_horizontal(size="5%", pad=0.05)
        fig = ax.get_figure()
        fig.add_axes(ax_cb)

        Z, extent = get_demo_image()
        im = ax.imshow(Z, extent=extent)

        plt.colorbar(im, cax=ax_cb)
        ax_cb.yaxis.tick_right()
        ax_cb.yaxis.set_tick_params(labelright=False)


    def demo_images_side_by_side(ax):
        from mpl_toolkits.axes_grid1 import make_axes_locatable

        divider = make_axes_locatable(ax)

        Z, extent = get_demo_image()
        ax2 = divider.new_horizontal(size="100%", pad=0.05)
        fig1 = ax.get_figure()
        fig1.add_axes(ax2)

        ax.imshow(Z, extent=extent)
        ax2.imshow(Z, extent=extent)
        ax2.yaxis.set_tick_params(labelleft=False)


    def demo():

        fig = plt.figure(figsize=(6, 6))

        # PLOT 1
        # simple image & colorbar
        ax = fig.add_subplot(2, 2, 1)
        demo_simple_image(ax)

        # PLOT 2
        # image and colorbar whose location is adjusted in the drawing time.
        # a hard way

        demo_locatable_axes_hard(fig)

        # PLOT 3
        # image and colorbar whose location is adjusted in the drawing time.
        # a easy way

        ax = fig.add_subplot(2, 2, 3)
        demo_locatable_axes_easy(ax)

        # PLOT 4
        # two images side by side with fixed padding.

        ax = fig.add_subplot(2, 2, 4)
        demo_images_side_by_side(ax)

        plt.show()


    demo()


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

   **Total running time of the script:** ( 0 minutes  1.029 seconds)


.. _sphx_glr_download_gallery_axes_grid1_demo_axes_divider.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: demo_axes_divider.py <demo_axes_divider.py>`



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

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