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

    Click :ref:`here <sphx_glr_download_gallery_pyplots_whats_new_99_axes_grid.py>` to download the full example code
.. rst-class:: sphx-glr-example-title

.. _sphx_glr_gallery_pyplots_whats_new_99_axes_grid.py:


========================
Whats New 0.99 Axes Grid
========================

Create RGB composite images.



.. code-block:: python

    import numpy as np
    import matplotlib.pyplot as plt
    from mpl_toolkits.axes_grid1.axes_rgb import RGBAxes


    def get_demo_image():
        # prepare image
        delta = 0.5

        extent = (-3, 4, -4, 3)
        x = np.arange(-3.0, 4.001, delta)
        y = np.arange(-4.0, 3.001, delta)
        X, Y = np.meshgrid(x, y)
        Z1 = np.exp(-X**2 - Y**2)
        Z2 = np.exp(-(X - 1)**2 - (Y - 1)**2)
        Z = (Z1 - Z2) * 2

        return Z, extent


    def get_rgb():
        Z, extent = get_demo_image()

        Z[Z < 0] = 0.
        Z = Z / Z.max()

        R = Z[:13, :13]
        G = Z[2:, 2:]
        B = Z[:13, 2:]

        return R, G, B


    fig = plt.figure(1)
    ax = RGBAxes(fig, [0.1, 0.1, 0.8, 0.8])

    r, g, b = get_rgb()
    kwargs = dict(origin="lower", interpolation="nearest")
    ax.imshow_rgb(r, g, b, **kwargs)

    ax.RGB.set_xlim(0., 9.5)
    ax.RGB.set_ylim(0.9, 10.6)

    plt.show()




.. image:: /gallery/pyplots/images/sphx_glr_whats_new_99_axes_grid_001.png
    :class: sphx-glr-single-img




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

References
""""""""""

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



.. code-block:: python


    import mpl_toolkits
    mpl_toolkits.axes_grid1.axes_rgb.RGBAxes
    mpl_toolkits.axes_grid1.axes_rgb.RGBAxes.imshow_rgb







.. _sphx_glr_download_gallery_pyplots_whats_new_99_axes_grid.py:


.. only :: html

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



  .. container:: sphx-glr-download

     :download:`Download Python source code: whats_new_99_axes_grid.py <whats_new_99_axes_grid.py>`



  .. container:: sphx-glr-download

     :download:`Download Jupyter notebook: whats_new_99_axes_grid.ipynb <whats_new_99_axes_grid.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>`_
