.. 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_axes_grid1_demo_axes_grid.py: ============== Demo Axes Grid ============== Grid of 2x2 images with single or own colorbar. .. image:: /gallery/axes_grid1/images/sphx_glr_demo_axes_grid_001.png :class: sphx-glr-single-img .. code-block:: python import matplotlib.pyplot as plt from mpl_toolkits.axes_grid1 import ImageGrid 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 demo_simple_grid(fig): """ A grid of 2x2 images with 0.05 inch pad between images and only the lower-left axes is labeled. """ grid = ImageGrid(fig, 141, # similar to subplot(141) nrows_ncols=(2, 2), axes_pad=0.05, label_mode="1", ) Z, extent = get_demo_image() for i in range(4): im = grid[i].imshow(Z, extent=extent, interpolation="nearest") # This only affects axes in first column and second row as share_all = # False. grid.axes_llc.set_xticks([-2, 0, 2]) grid.axes_llc.set_yticks([-2, 0, 2]) def demo_grid_with_single_cbar(fig): """ A grid of 2x2 images with a single colorbar """ grid = ImageGrid(fig, 142, # similar to subplot(142) nrows_ncols=(2, 2), axes_pad=0.0, share_all=True, label_mode="L", cbar_location="top", cbar_mode="single", ) Z, extent = get_demo_image() for i in range(4): im = grid[i].imshow(Z, extent=extent, interpolation="nearest") grid.cbar_axes[0].colorbar(im) for cax in grid.cbar_axes: cax.toggle_label(False) # This affects all axes as share_all = True. grid.axes_llc.set_xticks([-2, 0, 2]) grid.axes_llc.set_yticks([-2, 0, 2]) def demo_grid_with_each_cbar(fig): """ A grid of 2x2 images. Each image has its own colorbar. """ grid = ImageGrid(fig, 143, # similar to subplot(143) nrows_ncols=(2, 2), axes_pad=0.1, label_mode="1", share_all=True, cbar_location="top", cbar_mode="each", cbar_size="7%", cbar_pad="2%", ) Z, extent = get_demo_image() for i in range(4): im = grid[i].imshow(Z, extent=extent, interpolation="nearest") grid.cbar_axes[i].colorbar(im) for cax in grid.cbar_axes: cax.toggle_label(False) # This affects all axes because we set share_all = True. grid.axes_llc.set_xticks([-2, 0, 2]) grid.axes_llc.set_yticks([-2, 0, 2]) def demo_grid_with_each_cbar_labelled(fig): """ A grid of 2x2 images. Each image has its own colorbar. """ grid = ImageGrid(fig, 144, # similar to subplot(144) nrows_ncols=(2, 2), axes_pad=(0.45, 0.15), label_mode="1", share_all=True, cbar_location="right", cbar_mode="each", cbar_size="7%", cbar_pad="2%", ) Z, extent = get_demo_image() # Use a different colorbar range every time limits = ((0, 1), (-2, 2), (-1.7, 1.4), (-1.5, 1)) for i in range(4): im = grid[i].imshow(Z, extent=extent, interpolation="nearest", vmin=limits[i][0], vmax=limits[i][1]) grid.cbar_axes[i].colorbar(im) for i, cax in enumerate(grid.cbar_axes): cax.set_yticks((limits[i][0], limits[i][1])) # This affects all axes because we set share_all = True. grid.axes_llc.set_xticks([-2, 0, 2]) grid.axes_llc.set_yticks([-2, 0, 2]) if 1: F = plt.figure(1, (10.5, 2.5)) F.subplots_adjust(left=0.05, right=0.95) demo_simple_grid(F) demo_grid_with_single_cbar(F) demo_grid_with_each_cbar(F) demo_grid_with_each_cbar_labelled(F) plt.draw() plt.show() .. _sphx_glr_download_gallery_axes_grid1_demo_axes_grid.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download :download:`Download Python source code: demo_axes_grid.py ` .. container:: sphx-glr-download :download:`Download Jupyter notebook: demo_axes_grid.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_