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DOC: Add more 3D plot types #28243

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merged 1 commit into from
May 17, 2024
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DOC: Add more 3D plot types #28243

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29 changes: 29 additions & 0 deletions galleries/plot_types/3D/bar3d_simple.py
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"""
==========================
bar3d(x, y, z, dx, dy, dz)
==========================

See `~mpl_toolkits.mplot3d.axes3d.Axes3D.bar3d`.
"""
import matplotlib.pyplot as plt
import numpy as np

plt.style.use('_mpl-gallery')

# Make data
x = [1, 1, 2, 2]
y = [1, 2, 1, 2]
z = [0, 0, 0, 0]
dx = np.ones_like(x)*0.5
dy = np.ones_like(x)*0.5
dz = [2, 3, 1, 4]

# Plot
fig, ax = plt.subplots(subplot_kw={"projection": "3d"})
ax.bar3d(x, y, z, dx, dy, dz)

ax.set(xticklabels=[],
yticklabels=[],
zticklabels=[])

plt.show()
27 changes: 27 additions & 0 deletions galleries/plot_types/3D/plot3d_simple.py
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"""
================
plot(xs, ys, zs)
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Suggested change
plot(xs, ys, zs)
plot(x, y, z)

For consistency. Best also change the variable names below.

oh, I see, the existing scatter() was using this convention, but that's really the odd ball and should be changed as well.

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@scottshambaugh scottshambaugh May 17, 2024 •
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The Axes3D.plot function has xs, ys, and zs as the argument names, I figure it's best to be consistent with that?
https://matplotlib.org/stable/api/_as_gen/mpl_toolkits.mplot3d.axes3d.Axes3D.plot.html#mpl_toolkits.mplot3d.axes3d.Axes3D.plot

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Add it to the list of annoying API inconsistencies

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

See `~mpl_toolkits.mplot3d.axes3d.Axes3D.plot`.
"""
import matplotlib.pyplot as plt
import numpy as np

plt.style.use('_mpl-gallery')

# Make data
n = 100
xs = np.linspace(0, 1, n)
ys = np.sin(xs * 6 * np.pi)
zs = np.cos(xs * 6 * np.pi)

# Plot
fig, ax = plt.subplots(subplot_kw={"projection": "3d"})
ax.plot(xs, ys, zs)

ax.set(xticklabels=[],
yticklabels=[],
zticklabels=[])

plt.show()
32 changes: 32 additions & 0 deletions galleries/plot_types/3D/quiver3d_simple.py
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"""
========================
quiver(X, Y, Z, U, V, W)
========================

See `~mpl_toolkits.mplot3d.axes3d.Axes3D.quiver`.
"""
import matplotlib.pyplot as plt
import numpy as np

plt.style.use('_mpl-gallery')

# Make data
n = 4
x = np.linspace(-1, 1, n)
y = np.linspace(-1, 1, n)
z = np.linspace(-1, 1, n)
X, Y, Z = np.meshgrid(x, y, z)
U = (X + Y)/5
V = (Y - X)/5
W = Z*0


# Plot
fig, ax = plt.subplots(subplot_kw={"projection": "3d"})
ax.quiver(X, Y, Z, U, V, W)

ax.set(xticklabels=[],
yticklabels=[],
zticklabels=[])

plt.show()
27 changes: 27 additions & 0 deletions galleries/plot_types/3D/stem3d.py
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"""
=============
stem(x, y, z)
=============

See `~mpl_toolkits.mplot3d.axes3d.Axes3D.stem`.
"""
import matplotlib.pyplot as plt
import numpy as np

plt.style.use('_mpl-gallery')

# Make data
n = 20
x = np.sin(np.linspace(0, 2*np.pi, n))
y = np.cos(np.linspace(0, 2*np.pi, n))
z = np.linspace(0, 1, n)

# Plot
fig, ax = plt.subplots(subplot_kw={"projection": "3d"})
ax.stem(x, y, z)

ax.set(xticklabels=[],
yticklabels=[],
zticklabels=[])

plt.show()
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