matplotlib/examples/mplot3d/surface3d.py at master · phobson/matplotlib · GitHub

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'''

======================

3D surface (color map)

======================

Demonstrates plotting a 3D surface colored with the coolwarm color map.

The surface is made opaque by using antialiased=False.

Also demonstrates using the LinearLocator and custom formatting for the

z axis tick labels.

'''

import matplotlib.pyplot as plt

from matplotlib import cm

from matplotlib.ticker import LinearLocator, FormatStrFormatter

import numpy as np

fig = plt.figure()

ax = fig.gca(projection='3d')

# Make data.

X = np.arange(-5, 5, 0.25)

Y = np.arange(-5, 5, 0.25)

X, Y = np.meshgrid(X, Y)

R = np.sqrt(X**2 + Y**2)

Z = np.sin(R)

# Plot the surface.

surf = ax.plot_surface(X, Y, Z, cmap=cm.coolwarm,

linewidth=0, antialiased=False)

# Customize the z axis.

ax.set_zlim(-1.01, 1.01)

ax.zaxis.set_major_locator(LinearLocator(10))

ax.zaxis.set_major_formatter(FormatStrFormatter('%.02f'))

# Add a color bar which maps values to colors.

fig.colorbar(surf, shrink=0.5, aspect=5)

plt.show()

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