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Specifying the line width of the legend frame in Matplotlib
To specify the line width of the legend frame in Matplotlib, we can use set_linewidth() method.
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.
- Plot x and y using plot() method.
- Place a legend on the figure and get the legend instance.
- Get the lines and set the line width in the legend frame.
- To display the figure, use show() method.
Example
import numpy as np import matplotlib.pyplot as plt plt.rcParams["figure.figsize"] = [7.50, 3.50] plt.rcParams["figure.autolayout"] = True x = np.linspace(-5, 5, 100) y = np.sin(x) fig, ax = plt.subplots() ax.plot(x, y, c='r', label='y=sinx', linewidth=3.0) leg = plt.legend() leg.get_lines()[0].set_linewidth(6) plt.show()
Output
Updated on: 05-Jun-2021
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