レッスン 9：３次元でひとつの点を表示

# python-3D-graphics-step-by-step-9.py    08/04/2023 by Kero
# (9) show a point in 3D
    # In a fig-window, you can change view point by mouse.
    # See (1)
    
# Preparation 
import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D # 3D用モジュール追加。

# graph area settings
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d') # '3d'宣言。

# make figure
ax.scatter(0, 0, 0) # 3次元の原点を作る。
fig.savefig('python-3D-graphics-step-by-step-9.png')

# show figure
plt.show()