動畫化 3D 線框圖

一個非常簡單的 3D 圖形「動畫」。另請參閱旋轉 3D 圖形。

（此範例在建置文件庫時會跳過，因為它有意執行很久。）

import time

import matplotlib.pyplot as plt
import numpy as np

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

# Make the X, Y meshgrid.
xs = np.linspace(-1, 1, 50)
ys = np.linspace(-1, 1, 50)
X, Y = np.meshgrid(xs, ys)

# Set the z axis limits, so they aren't recalculated each frame.
ax.set_zlim(-1, 1)

# Begin plotting.
wframe = None
tstart = time.time()
for phi in np.linspace(0, 180. / np.pi, 100):
    # If a line collection is already remove it before drawing.
    if wframe:
        wframe.remove()
    # Generate data.
    Z = np.cos(2 * np.pi * X + phi) * (1 - np.hypot(X, Y))
    # Plot the new wireframe and pause briefly before continuing.
    wframe = ax.plot_wireframe(X, Y, Z, rstride=2, cstride=2)
    plt.pause(.001)

print('Average FPS: %f' % (100 / (time.time() - tstart)))

標籤：繪圖類型：3D 元件：動畫 等級：初學者