.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "gallery/pyplots/annotation_polar.py" .. LINE NUMBERS ARE GIVEN BELOW. .. 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_pyplots_annotation_polar.py: ================ Annotation Polar ================ This example shows how to create an annotation on a polar graph. For a complete overview of the annotation capabilities, also see the :doc:`annotation tutorial`. .. GENERATED FROM PYTHON SOURCE LINES 11-33 .. code-block:: default import numpy as np import matplotlib.pyplot as plt fig = plt.figure() ax = fig.add_subplot(projection='polar') r = np.arange(0, 1, 0.001) theta = 2 * 2*np.pi * r line, = ax.plot(theta, r, color='#ee8d18', lw=3) ind = 800 thisr, thistheta = r[ind], theta[ind] ax.plot([thistheta], [thisr], 'o') ax.annotate('a polar annotation', xy=(thistheta, thisr), # theta, radius xytext=(0.05, 0.05), # fraction, fraction textcoords='figure fraction', arrowprops=dict(facecolor='black', shrink=0.05), horizontalalignment='left', verticalalignment='bottom', ) plt.show() .. image:: /gallery/pyplots/images/sphx_glr_annotation_polar_001.png :alt: annotation polar :class: sphx-glr-single-img .. GENERATED FROM PYTHON SOURCE LINES 34-41 .. admonition:: References The use of the following functions, methods, classes and modules is shown in this example: - `matplotlib.projections.polar` - `matplotlib.axes.Axes.annotate` / `matplotlib.pyplot.annotate` .. _sphx_glr_download_gallery_pyplots_annotation_polar.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: annotation_polar.py ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: annotation_polar.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_