

.. _sphx_glr_gallery_axes_grid1_simple_rgb.py:


==========
Simple RGB
==========





.. image:: /gallery/axes_grid1/images/sphx_glr_simple_rgb_001.png
    :align: center





.. code-block:: python

    import matplotlib.pyplot as plt

    from mpl_toolkits.axes_grid1.axes_rgb import RGBAxes


    def get_demo_image():
        import numpy as np
        from matplotlib.cbook import get_sample_data
        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)


    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()

**Total running time of the script:** ( 0 minutes  0.263 seconds)



.. container:: sphx-glr-footer


  .. container:: sphx-glr-download

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



  .. container:: sphx-glr-download

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

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

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