### Navigation

- index
- modules |
- home|
- examples|
- tutorials|
- pyplot|
- docs »

# Annotation Polar

    import numpy as np
    import matplotlib.pyplot as plt

    fig = plt.figure()
    ax = fig.add_subplot(111, polar=True)
    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()

Total running time of the script: ( 0 minutes 0.022 seconds)

Generated by Sphinx-Gallery