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rosbag filter 根据时间和topic对包进行分割(过滤)

zhoulujun 2023-02-05 阅读 73


0.前言

本文主要讲解rosbag filter 命令的使用
可以用于对已经记好的包的分割,筛选需要的topic

1.根据topic过滤

1.1过滤单个topic

rosbag filter my.bag only-tf.bag "topic == '/tf'"

1.2过滤多个topic

rosbag filter input.bag output.bag "topic == '/point_cloud' or topic =='/sensor/imu' or topic == '/sensor/image_raw'"

2.根据时间过滤

rosbag filter input.bag output.bag "t.to_sec() <= 1470538021.86"

3.同时过滤topic和时间

3.1单个topic和时间

rosbag filter input.bag output.bag "topic == '/odometry/gps' and t.to_sec() <= 1470538021.86"

3.2多个topic和时间

rosbag filter input.bag output.bag "(topic == '/point_cloud' or topic =='/sensor/imu' or topic == '/sensor/image_raw') and (t.to_sec() >= 1470538000.86and t.to_sec() <= 1470538021.86)"


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