

.. _sphx_glr_gallery_pylab_examples_vline_hline_demo.py:


=================
hlines and vlines
=================

This example showcases the functions hlines and vlines.




.. image:: /gallery/pylab_examples/images/sphx_glr_vline_hline_demo_001.png
    :align: center





.. code-block:: python


    import matplotlib.pyplot as plt
    import numpy as np


    t = np.arange(0.0, 5.0, 0.1)
    s = np.exp(-t) + np.sin(2 * np.pi * t) + 1
    nse = np.random.normal(0.0, 0.3, t.shape) * s

    fig, (vax, hax) = plt.subplots(1, 2, figsize=(12, 6))

    vax.plot(t, s + nse, '^')
    vax.vlines(t, [0], s)
    # By using ``transform=vax.get_xaxis_transform()`` the y coordinates are scaled
    # such that 0 maps to the bottom of the axes and 1 to the top.
    vax.vlines([1, 2], 0, 1, transform=vax.get_xaxis_transform(), colors='r')
    vax.set_xlabel('time (s)')
    vax.set_title('Vertical lines demo')

    hax.plot(s + nse, t, '^')
    hax.hlines(t, [0], s, lw=2)
    hax.set_xlabel('time (s)')
    hax.set_title('Horizontal lines demo')

    plt.show()

**Total running time of the script:** ( 0 minutes  0.049 seconds)



.. container:: sphx-glr-footer


  .. container:: sphx-glr-download

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



  .. container:: sphx-glr-download

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

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

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