<Python, matplotlib> 3D描画

3Dを描いてみる。

In [1]: import pandas as pd

In [2]: import numpy as np

In [3]: import matplotlib.pyplot as plt

In [4]: from mpl_toolkits.mplot3d import Axes3D

In [5]: df = pd.DataFrame(data=np.random.randn(20,3), columns=list('xyz'))

In [12]: df.head()
Out[12]: 
          x         y         z
0  0.805902 -0.265093 -0.764933
1  0.367553  0.410720  1.258435
2 -0.273022  0.464175 -1.609088
3 -0.710719  0.808845  1.484619
4  0.349715  0.248810  0.175916


In [17]: fig = plt.figure()
    ...: ax = Axes3D(fig)
    ...: ax.plot_trisurf(df.x, df.y, df.z, cmap='rainbow')
    ...: 
Out[17]: <mpl_toolkits.mplot3d.art3d.Poly3DCollection at 0x8151908>

マニュアル
mplot3d tutorial — Matplotlib 1.5.0 documentation