matplotlib & pandas

Python/matplotlab/gallery/mplot3d/wire3d_animation_sgskip.md

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+# 旋转3D线框图
+
+一个非常简单的3D动画“动画”。 另请参见rotate_axes3d_demo。
+
+（构建文档库时会跳过此示例，因为它有意运行需要很长时间）
+
+```python
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
+import matplotlib.pyplot as plt
+import numpy as np
+import time
+
+
+def generate(X, Y, phi):
+    '''
+    Generates Z data for the points in the X, Y meshgrid and parameter phi.
+    '''
+    R = 1 - np.sqrt(X**2 + Y**2)
+    return np.cos(2 * np.pi * X + phi) * R
+
+
+fig = plt.figure()
+ax = fig.add_subplot(111, 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:
+        ax.collections.remove(wframe)
+
+    # Plot the new wireframe and pause briefly before continuing.
+    Z = generate(X, Y, phi)
+    wframe = ax.plot_wireframe(X, Y, Z, rstride=2, cstride=2)
+    plt.pause(.001)
+
+print('Average FPS: %f' % (100 / (time.time() - tstart)))
+```
+
+## 下载这个示例
+            
+- [下载python源码: wire3d_animation_sgskip.py](https://matplotlib.org/_downloads/wire3d_animation_sgskip.py)
+- [下载Jupyter notebook: wire3d_animation_sgskip.ipynb](https://matplotlib.org/_downloads/wire3d_animation_sgskip.ipynb)