info = bag_data.get_type_and_topic_info() print(info) 1. 2. 如图显示感知topic消息数350,帧率10Hz 2. 读取特定topic的数据 如果不给定topic,会遍历所有的topic 查看topic的方式:方式1如上;方式2 rosbag info xxx.bag;方式3 通过read_messages()返回值 read_messages()每次迭代返回3个值:topic, msg,...
importrosbagdefread_rosbag(file_path):bag=rosbag.Bag(file_path)topics=bag.get_type_and_topic_info()[1]fortopic,msg_infointopics.items():print(f'Topic:{topic}, Message Type:{msg_info.msg_type}, Message Count:{msg_info.message_count}')bag.close()file_path='example.bag'read_rosbag(...
msg_types, topics = bag.get_type_and_topic_info(topic_filters) print("Message Types:") for type_name, md5_hash in msg_types.items(): print(f" {type_name}: {md5_hash}") print("Topics:") for type_name, topic_info in topics.items(): print(" Topic: {}, Type: {}, MessageCoun...
(bag_file,'r')asbag:info = bag.get_type_and_topic_info()print(info.topics)pcd_number = self.get_pcd_img_number(info, pcd_topic_list)img_number = self.get_pcd_img_number(info, img_topic_list)print(f"解析{bag_file.name}pcd总数:{pcd_number}图片总数:{img_number}")fortopic, msg,...
一、查看.bag文件内部信息rosbaginfo*.bag二、根据信息创建.launch文件将文件中阴影部分改为.bag文件路径。 将第五行 <remap from="image" to="/img_right"/>中/img_right改为想要读取的topic名称。 三、解码 在命令行输入roslaunch rosbag与csv等格式转换 ...
一、查看.bag文件内部信息 rosbag info *.bag 二、根据信息创建.launch文件 将文件中阴影部分改为.bag文件路径。 将第五行 <remap from="image" to="/img_right"/>中/img_right改为想要读取的topic名称。 三、解码 在命令行输入roslaunch export.launch... ...
$ sudo apt-get install python-rosinstall 7).测试安装 在终端中输⼊rosbag/rostopic --help等命令看是否报错 4. ROS⼯具使⽤实例 1). 启动ROS master 只有在启动master之后才能开始ros的其他操作,⽽由于roscore⼀直运⾏，所以执⾏其他ros命令时需要在另⼀个终端中进⾏。$ roscore 2). ros...
[bagselect.StartTime bagselect.StartTime + 1],'Topic','/odom'); Display rosbag Information from File Copy Code Copy Command To view information about a rosbag log file, use rosbag info filename, where filename is a rosbag (.bag) file. Get rosbag info 'ex_multiple_topics.bag' Pat...
GetContextItems GetF1Kwd GetNextCtxBag GetNextCtxBagAttr GetPrevAttrCache IsF1Lookup IsIdleAvailable put_ApplicationContext RegisterItemProvider ResetNextCtxBagAttr SetSite SetTopicTypeFilter UnadviseContextItemEvent UnregisterItemProvider IVsMRESearchProvider IVsMRUItemsStore IVsMSBuildHostObject IVs...
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