matplotlib 强化学习
import matplotlib.pyplot as plt
...![](https://img2020.cnblogs.com/blog/1642028/202006/1642028-20200621111043462-144482637.png)
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4.1 bag_to_pcd
Reads a bag file, saving all ROS point cloud messages on a specified topic as PCD files.
4.1.1 Usage
$ rosrun pcl_ros bag_to_pcd <in ......