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Update the "Rotating a 3D plot" gallery example to show all 3 rotation axes #21737

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Merged
timhoffm merged 2 commits into from
Dec 4, 2021
+32 −10
Merged

Update the "Rotating a 3D plot" gallery example to show all 3 rotation axes #21737

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81eb253
Update rotate-axes3d gallery example
scottshambaugh Nov 24, 2021
6ba5cb8
Merge branch 'main' into rotate-3d-plot-gallery
scottshambaugh Dec 4, 2021
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36 changes: 29 additions & 7 deletions examples/mplot3d/rotate_axes3d_sgskip.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
Rotating a 3D plot
==================

A very simple animation of a rotating 3D plot.
A very simple animation of a rotating 3D plot about all 3 axes.

See wire3d_animation_demo for another simple example of animating a 3D plot.

Expand All @@ -17,12 +17,34 @@
fig = plt.figure()
ax = fig.add_subplot(projection='3d')

# load some test data for demonstration and plot a wireframe
X, Y, Z = axes3d.get_test_data(0.1)
ax.plot_wireframe(X, Y, Z, rstride=5, cstride=5)
# Grab some example data and plot a basic wireframe.
X, Y, Z = axes3d.get_test_data(0.05)
ax.plot_wireframe(X, Y, Z, rstride=10, cstride=10)

# Set the axis labels
ax.set_xlabel('x')
ax.set_ylabel('y')
ax.set_zlabel('z')

# Rotate the axes and update
for angle in range(0, 360*4 + 1):
# Normalize the angle to the range [-180, 180] for display
angle_norm = (angle + 180) % 360 - 180

# Cycle through a full rotation of elevation, then azimuth, roll, and all
elev = azim = roll = 0
if angle <= 360:
elev = angle_norm
elif angle <= 360*2:
azim = angle_norm
elif angle <= 360*3:
roll = angle_norm
else:
elev = azim = roll = angle_norm

# Update the axis view and title
ax.view_init(elev, azim, roll)
plt.title('Elevation: %d°, Azimuth: %d°, Roll: %d°' % (elev, azim, roll))

# rotate the axes and update
for angle in range(0, 360):
ax.view_init(30, angle, 0)
plt.draw()
plt.pause(.001)
6 changes: 3 additions & 3 deletions examples/mplot3d/wire3d_animation_sgskip.py
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
"""
==========================
Rotating 3D wireframe plot
==========================
=============================
Animating a 3D wireframe plot
=============================

A very simple 'animation' of a 3D plot. See also rotate_axes3d_demo.

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