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Draw a border around subplots in Matplotlib
To draw a border around subplots in matplotlib, we can use a Rectangle patch on the subplots.
Steps
Set the figure size and adjust the padding between and around the subplots.
Add a subplot to the current figure using subplot(121).
Get the subplot axes.
Add a rectangle defined via an anchor point *xy* and its *width* and *height*.
Add a rectangle patch to the current subplot based on axis (Step 4).
Set whether the artist uses clipping.
Add a subplot to the current figure using subplot(122).
Set the title of the current subplot.
To display the figure, use show() method.
Example
from matplotlib import pyplot as plt
plt.rcParams["figure.figsize"] = [7.50, 3.50]
plt.rcParams["figure.autolayout"] = True
sub = plt.subplot(121)
ax = sub.axis()
rec = plt.Rectangle((ax[0] - 0.7, ax[2] - 0.2), (ax[1] - ax[0]) + 1, (ax[3] - ax[2]) + 0.4, fill=False, lw=2, linestyle="dotted")
rec = sub.add_patch(rec)
rec.set_clip_on(False)
plt.title("with border")
sub = plt.subplot(122)
plt.title("without border")
plt.show()Output
Updated on: 03-Jun-2021
3K+ Views
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