.. 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_subplots_axes_and_figures_axhspan_demo.py: ============ axhspan Demo ============ Create lines or rectangles that span the axes in either the horizontal or vertical direction, and lines than span the axes with an arbitrary orientation. .. image:: /gallery/subplots_axes_and_figures/images/sphx_glr_axhspan_demo_001.png :alt: axhspan demo :class: sphx-glr-single-img .. code-block:: default import numpy as np import matplotlib.pyplot as plt t = np.arange(-1, 2, .01) s = np.sin(2 * np.pi * t) fig, ax = plt.subplots() ax.plot(t, s) # Thick red horizontal line at y=0 that spans the xrange. ax.axhline(linewidth=8, color='#d62728') # Horizontal line at y=1 that spans the xrange. ax.axhline(y=1) # Vertical line at x=1 that spans the yrange. ax.axvline(x=1) # Thick blue vertical line at x=0 that spans the upper quadrant of the yrange. ax.axvline(x=0, ymin=0.75, linewidth=8, color='#1f77b4') # Default hline at y=.5 that spans the middle half of the axes. ax.axhline(y=.5, xmin=0.25, xmax=0.75) # Infinite black line going through (0, 0) to (1, 1). ax.axline((0, 0), (1, 1), color='k') # 50%-gray rectangle spanning the axes' width from y=0.25 to y=0.75. ax.axhspan(0.25, 0.75, facecolor='0.5') # Green rectangle spanning the axes' height from x=1.25 to x=1.55. ax.axvspan(1.25, 1.55, facecolor='#2ca02c') plt.show() .. _sphx_glr_download_gallery_subplots_axes_and_figures_axhspan_demo.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: axhspan_demo.py ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: axhspan_demo.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_