.. only:: html .. 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_images_contours_and_fields_image_nonuniform.py: ================ Image Nonuniform ================ This illustrates the NonUniformImage class. It is not available via an Axes method but it is easily added to an Axes instance as shown here. .. image:: /gallery/images_contours_and_fields/images/sphx_glr_image_nonuniform_001.png :alt: NonUniformImage class, nearest, nearest, bilinear, bilinear :class: sphx-glr-single-img .. code-block:: default import numpy as np import matplotlib.pyplot as plt from matplotlib.image import NonUniformImage from matplotlib import cm interp = 'nearest' # Linear x array for cell centers: x = np.linspace(-4, 4, 9) # Highly nonlinear x array: x2 = x**3 y = np.linspace(-4, 4, 9) z = np.sqrt(x[np.newaxis, :]**2 + y[:, np.newaxis]**2) fig, axs = plt.subplots(nrows=2, ncols=2, constrained_layout=True) fig.suptitle('NonUniformImage class', fontsize='large') ax = axs[0, 0] im = NonUniformImage(ax, interpolation=interp, extent=(-4, 4, -4, 4), cmap=cm.Purples) im.set_data(x, y, z) ax.add_image(im) ax.set_xlim(-4, 4) ax.set_ylim(-4, 4) ax.set_title(interp) ax = axs[0, 1] im = NonUniformImage(ax, interpolation=interp, extent=(-64, 64, -4, 4), cmap=cm.Purples) im.set_data(x2, y, z) ax.add_image(im) ax.set_xlim(-64, 64) ax.set_ylim(-4, 4) ax.set_title(interp) interp = 'bilinear' ax = axs[1, 0] im = NonUniformImage(ax, interpolation=interp, extent=(-4, 4, -4, 4), cmap=cm.Purples) im.set_data(x, y, z) ax.add_image(im) ax.set_xlim(-4, 4) ax.set_ylim(-4, 4) ax.set_title(interp) ax = axs[1, 1] im = NonUniformImage(ax, interpolation=interp, extent=(-64, 64, -4, 4), cmap=cm.Purples) im.set_data(x2, y, z) ax.add_image(im) ax.set_xlim(-64, 64) ax.set_ylim(-4, 4) ax.set_title(interp) plt.show() .. rst-class:: sphx-glr-timing **Total running time of the script:** ( 0 minutes 1.284 seconds) .. _sphx_glr_download_gallery_images_contours_and_fields_image_nonuniform.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: image_nonuniform.py ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: image_nonuniform.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_