Description
Bug summary
I'm trying to create a 3D plot in which the axes adapts to the size of the figure. In the provided example, I'd like for the x and y axis to occupy the entire width of the figure. Ideally, I'd also like to get an equal aspect ratio on all axis.
It used to work with older Matplotlib versions (except for the equal aspect ratio), but I'm unable to replicate the outcome with newer versions.
After spending a couple of hours trying different combinations and reading the docs, I've decided to call this a bug?!?! Please, correct me if I'm wrong by providing a working solution.
Code for reproduction
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
import numpy as np
fig = plt.figure(figsize=(5, 2.5))
ax = fig.add_subplot(projection='3d')
ax.get_proj = lambda: np.dot(Axes3D.get_proj(ax), np.diag([1, 1, 1, 0.5]))
u = v = np.linspace(0, 2 * np.pi, 50)
u, v = np.meshgrid(u, v)
X = np.cos(v) * (6 - (5/4 + np.sin(3 * u)) * np.sin(u - 3 * v))
Y = (6 - (5/4 + np.sin(3 * u)) * np.sin(u - 3 * v)) * np.sin(v)
Z = -np.cos(u - 3 * v) * (5/4 + np.sin(3 * u))
ax.plot_surface(X, Y, Z, rstride=1, cstride=1, color=[0.7] * 3, linewidth=0.25, edgecolor="k")
ax.set_box_aspect([ub - lb for lb, ub in (getattr(ax, f'get_{a}lim')() for a in 'xyz')])
plt.show()Actual outcome
Note the awful clipping rectangle!
Expected outcome
The following output has been generated with Matplotlib v3.1.2 :
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
import numpy as np
fig = plt.figure(figsize=(5, 2.5))
ax = fig.add_subplot(projection='3d')
u = v = np.linspace(0, 2 * np.pi, 50)
u, v = np.meshgrid(u, v)
X = np.cos(v) * (6 - (5/4 + np.sin(3 * u)) * np.sin(u - 3 * v))
Y = (6 - (5/4 + np.sin(3 * u)) * np.sin(u - 3 * v)) * np.sin(v)
Z = -np.cos(u - 3 * v) * (5/4 + np.sin(3 * u))
ax.plot_surface(X, Y, Z, rstride=1, cstride=1, color=[0.7] * 3, linewidth=0.25, edgecolor="k")
plt.show()
Operating system
Ubuntu 20.04
Matplotlib Version
3.4.3
Matplotlib Backend
module://ipympl.backend_nbagg, Qt5Agg
Python version
3.8.10
Jupyter version
6.4.0
Other libraries
No response
Installation
pip
Conda channel
No response