基于Open3D的点云处理22-非阻塞可视化/动态可视化

官网测试用例：examples/python/visualization/non_blocking_visualization.py

非阻塞可视化，即实时更新点云数据；
如下，动态可视化ICP的匹配过程：

import open3d as o3d
import numpy as np

if __name__ == "__main__":
    o3d.utility.set_verbosity_level(o3d.utility.VerbosityLevel.Debug)
    pcd_data = o3d