matplotlib & pandas

Python/matplotlab/gallery/mplot3d/surface3d.md

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+# 三维曲面(颜色贴图)
+
+演示绘制使用coolwarm颜色贴图着色的3D表面。 使用antialiased = False使表面变得不透明。
+
+还演示了使用LinearLocator和z轴刻度标签的自定义格式。
+
+![三维曲面(颜色贴图)示例](https://matplotlib.org/_images/sphx_glr_surface3d_001.png)
+
+```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
+from matplotlib import cm
+from matplotlib.ticker import LinearLocator, FormatStrFormatter
+import numpy as np
+
+
+fig = plt.figure()
+ax = fig.gca(projection='3d')
+
+# Make data.
+X = np.arange(-5, 5, 0.25)
+Y = np.arange(-5, 5, 0.25)
+X, Y = np.meshgrid(X, Y)
+R = np.sqrt(X**2 + Y**2)
+Z = np.sin(R)
+
+# Plot the surface.
+surf = ax.plot_surface(X, Y, Z, cmap=cm.coolwarm,
+                       linewidth=0, antialiased=False)
+
+# Customize the z axis.
+ax.set_zlim(-1.01, 1.01)
+ax.zaxis.set_major_locator(LinearLocator(10))
+ax.zaxis.set_major_formatter(FormatStrFormatter('%.02f'))
+
+# Add a color bar which maps values to colors.
+fig.colorbar(surf, shrink=0.5, aspect=5)
+
+plt.show()
+```
+
+## 下载这个示例
+            
+- [下载python源码: surface3d.py](https://matplotlib.org/_downloads/surface3d.py)
+- [下载Jupyter notebook: surface3d.ipynb](https://matplotlib.org/_downloads/surface3d.ipynb)