Quiver Simple Demo

A simple example of a ~.axes.Axes.quiver plot with a ~.axes.Axes.quiverkey.

For more advanced options refer to :doc:/gallery/images_contours_and_fields/quiver_demo.

import matplotlib.pyplot as plt
import numpy as np

X = np.arange(-10, 10, 1)
Y = np.arange(-10, 10, 1)
U, V = np.meshgrid(X, Y)

fig, ax = plt.subplots()
q = ax.quiver(X, Y, U, V)
ax.quiverkey(q, X=0.3, Y=1.1, U=10,
             label='Quiver key, length = 10', labelpos='E')

plt.show()

… admonition:: References

The use of the following functions, methods, classes and modules is shown in this example:

• matplotlib.axes.Axes.quiver / matplotlib.pyplot.quiver

• matplotlib.axes.Axes.quiverkey / matplotlib.pyplot.quiverkey