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How to write annotation outside the drawing in data coords in Matplotlib?
We can use annotate() method to place annotation outside the drawing.
Steps
Set the figure size and adjust the padding between and around the subplots.
Create x and y data points using numpy.
Create a figure and a set of subplots using subplots() method.
Use scatter() method to plot x and y data points using star marker and copper color map.
To place annotation outside the drawing, use xy coordinates tuple accordingly.
To display the figure, use show() method.
Example
import numpy as np
from matplotlib import pyplot as plt
plt.rcParams["figure.figsize"] = [7.50, 3.50]
plt.rcParams["figure.autolayout"] = True
x = np.random.rand(100)
y = np.random.rand(100)
fig, ax = plt.subplots()
ax.scatter(x, y, c=y, marker="*", cmap="copper")
ax.annotate('Scatter points(outside the drawing)', xy=(0.30, 1.05), xycoords=ax.get_xaxis_transform())
plt.show()Output
Updated on: 01-Jun-2021
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