import matplotlib.pyplot as plt import random # 创建一个 3D 图形 fig = plt.figure() ax = fig.add_subplot(111, projection='3d') # 为每个 key 分配一个随机颜色 colors = {"orange":(1,0,0),"yellow":(0,1,0)} # for key in d.keys(): # colors[key] = (random.random(), random.random(), random.random()) # 随机 RGB 颜色 # 绘制每个 key 的点 for key, points in d.items(): x_vals = [point[0] for point in points] y_vals = [point[1] for point in points] z_vals = [point[2] for point in points] ax.scatter(x_vals, y_vals, z_vals, label=key, color=colors[key]) # 添加图例和标签 ax.set_xlabel('X轴') ax.set_ylabel('Y轴') ax.set_zlabel('Z轴') ax.legend() # 显示图形 plt.show()