Plot contour (level) curves in 3D using the extend3d option#

This modification of the Plot contour (level) curves in 3D example uses extend3d=True to extend the curves vertically into 'ribbons'.

contour3d 2
from mpl_toolkits.mplot3d import axes3d
import matplotlib.pyplot as plt
from matplotlib import cm

ax = plt.figure().add_subplot(projection='3d')
X, Y, Z = axes3d.get_test_data(0.05)
ax.contour(X, Y, Z, extend3d=True, cmap=cm.coolwarm)

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