.. _sphx_glr_gallery_pyplots_annotation_basic.py:


=================
Annotating a plot
=================

This example shows how to annotate a plot with an arrow pointing to provided
coordinates. We modify the defaults of the arrow, to "shrink" it.





.. image:: /gallery/pyplots/images/sphx_glr_annotation_basic_001.png
    :align: center





.. code-block:: python

    import numpy as np
    import matplotlib.pyplot as plt

    fig, ax = plt.subplots()

    t = np.arange(0.0, 5.0, 0.01)
    s = np.cos(2*np.pi*t)
    line, = ax.plot(t, s, lw=2)

    ax.annotate('local max', xy=(2, 1), xytext=(3, 1.5),
                arrowprops=dict(facecolor='black', shrink=0.05),
                )
    ax.set_ylim(-2, 2)
    plt.show()



.. only :: html

 .. container:: sphx-glr-footer


  .. container:: sphx-glr-download

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



  .. container:: sphx-glr-download

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


.. only:: html

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

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