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How to animate a sine curve in Matplotlib?
To make animated sine curve, we can take the following steps −
- Set the figure size and adjust the padding between and around the subplots.
- Create a new figure or activate an existing figure.
- Add an axes to the current figure and make it the current axes.
- Plot a line with empty lists.
- To initialize the line, pass empty lists.
- To animate the sine curve, update sine curve values and return the line instance.
- To display the figure, use show() method.
Example
import numpy as np from matplotlib import pyplot as plt from matplotlib import animation plt.rcParams["figure.figsize"] = [7.50, 3.50] plt.rcParams["figure.autolayout"] = True fig = plt.figure() ax = plt.axes(xlim=(0, 2), ylim=(-2, 2)) line, = ax.plot([], [], lw=2) def init(): line.set_data([], []) return line, def animate(i): x = np.linspace(0, 2, 1000) y = np.sin(2 * np.pi * (x - 0.01 * i)) line.set_data(x, y) return line, anim = animation.FuncAnimation(fig, animate, init_func=init, frames=200, interval=20, blit=True) plt.show()
Output
Updated on: 03-Jun-2021
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