How to draw a line outside of an axis in Matplotlib?

MatplotlibPythonData Visualization

To draw a line (i.e., arrow) outside of an axis, we can use annotate() method,

Steps

  • Set the figure size and adjust the padding between and around the subplots.

  • Create a new figure or activate an existing figure using figure() method.

  • Clear the current figure.

  • Add an '~.axes.Axes' to the figure as part of a subplot arrangement using add_subplot() method.

  • Use annotate() method to place a line outside the axes.

  • To display the figure, use show() method.

Example

import matplotlib.pyplot as plt

plt.rcParams["figure.figsize"] = [7.50, 3.50]
plt.rcParams["figure.autolayout"] = True

fig = plt.figure(1)
fig.clf()

ax = fig.add_subplot(1, 1, 1)
ax.annotate('', xy=(0, -0.1), xycoords='axes fraction', xytext=(1, -0.1),
arrowprops=dict(arrowstyle="<->", color='b'))
plt.show()

Output

raja
Rishikesh Kumar Rishi
Published on 04-Jun-2021 06:39:10
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