.. note:: :class: sphx-glr-download-link-note Click :ref:`here ` 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:: default 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() 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:: default import mpl_toolkits mpl_toolkits.axes_grid1.axes_rgb.RGBAxes mpl_toolkits.axes_grid1.axes_rgb.RGBAxes.imshow_rgb .. rst-class:: sphx-glr-script-out Out: .. code-block:: none .. _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 ` .. container:: sphx-glr-download :download:`Download Jupyter notebook: 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 `_