"""

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

3D surface (solid color)

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

Demonstrates a very basic plot of a 3D surface using a solid color.

"""

import matplotlib.pyplot as plt

import numpy as np

fig = plt.figure()

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

# Make data

u = np.linspace(0, 2 * np.pi, 100)

v = np.linspace(0, np.pi, 100)

x = 10 * np.outer(np.cos(u), np.sin(v))

y = 10 * np.outer(np.sin(u), np.sin(v))

z = 10 * np.outer(np.ones(np.size(u)), np.cos(v))

# Plot the surface

ax.plot_surface(x, y, z)

# Set an equal aspect ratio

ax.set_aspect('equal')

plt.show()

# %%

# .. tags::

# plot-type: 3D,

# level: beginner