Questions tagged [bagfile]

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ROS Tutorial issue

I've been learning about ROS using this url ⇒(http://wiki.ros.org/ROS/Tutorials). And doing so I have a issue with this chapter ⇒(http://wiki.ros.org/ROS/Tutorials/reading%20msgs%20from%20a%20bag%...
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ros2 bag record <topic_name> failed to load entry point 'record'

I just finished installing ROS2 Humble for Windows and am trying to work through the tutorials in the documentation, but I am stuck on the "recording and playing back data" tutorial in the &...
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Rerecording ros bag files leads to different counts on the same topics between recordings

I recorded a rosbag during testing but realized afterwards that I had published one of the messages on the /data topic wrong. I wanted to fix this data and put it on a new topic but still have the ...
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How to read ros2 bag file in a node

Hi, I was wondering is there a better method to read ros2 bag files inside the ros2 node, I just want to send a command to run the bag files. The only source I found is this but this requires me to ...
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Error with launch file and rosrun using a ROS package

Hey guys, I am in the process of using a ROS package (https://github.com/beltransen/lidar_bev) that converts PointCloud data into Bird Eye View images. I have successfully installed the package with ...
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rqt_console shows the same message twice?

Hi all, I have a problem about the rqt_console specifically in the bag files. When I open a bag file typing rosbag play test.bag, rqt_console starts showing the all messages streaming in the bag file. ...
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specify rosbag save path in launchfile

Hey, I'm trying to specify the path to which my rosbag files will be written to. The call to launch the datalogging is happening in the launch file. The issue I'm having is I want it to be repeatable ...
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Can I use the clock from a bag in ROS2?

I don't see an option for ros2 bag play --clock <bag>, is there an equivalent feature in ROS2 yet? Originally posted by dawonn_haval on ROS Answers with ...
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Different tf tree while running the bagfile from start and middle

So, I have this wierd bug that, whenever I tried to play this particular bagfile from the start then I have all the correct tf frames present in the tf tree, but when I tried to play the bagile from ...
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Work with tf data timestamped from bag file

I am replaying a bag file containing point clouds, and right now can only work on that bag file. Now rosbag play publishes the data with the original time stamps, ...
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WARNING: no messages received and simulated time is active. Laser Scan Matcher

ROS Kinetic - Ubuntu 16.04 Looking this up, all the forum posts I can find are either about gazebo or don't really have an answer. Laser Scan Matcher node takes an input and produces an output. The ...
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How to extract images from a bagfile properly

Currently I have a bag file which recorded a camera view topic. Now I want to extract the image date with its corresponding time stamp. I am able to get the png form of the image data using the ...
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Cannot make ORB_SLAM2 work with TUM rosbag files

Dear all, I am running ORB_SLAM2 on one of the ROS bag files from TUM benchmark datasets (rgbd_dataset_freiburg2_pioneer_slam.bag ) What I am seeing on Map Viewer is a increasing number of "blue ...
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How to record NovAtel Raw Observation data in binary for post-processing

New here, is there a way to record raw binary data to a bagfile without using a ROS standard message? I would like to post-process using RTKLIB. Thank you Originally posted by damascus_west on ROS ...
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Sample rosbag file for laser scanner data

I need a bag file for laser scanner data. The bag file should have a node publishing tf2_msgs/TFMessage and sensor_msgs/LaserScan type messages to topics. I started out with this tutorial - ...
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How to send a complex request and save a complex response (service) in ROS?

Hi I don´t have a high level in ROS so I would request your help. Last weeks I was trying to make a client for testing that package https://github.com/sniekum/dmp Alwais I had problems running it (the ...
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meet error when implementing "velodyne_driver" command for vlp-16

I tried to do as the answer to #q213080 says, but when I try the second command ...
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How do you change the message in a rosbag. For eg. from string to float

How do you change the message in a rosbag. For eg. from string to float Originally posted by chezzydc10 on ROS Answers with karma: 3 on 2016-07-26 Post score: 0
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How can i save data into bag file so that i can perform gmapping?

I am trying to save data into bag file to run gmapping later. I don't want to do it through command line using rosbag, rather i want to write a python script to save the data into bag file. I tried ...
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cannot extract images from bag file

i am using Ubuntu 14.04 and Ros Indigo. I am trying to extract images from a bag file, I am using this launch file: ...
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2 answers
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How to subscribe to sensor_msgs/CompressedImage without the raw image?

Recently, I recorded a large set of image data using a rosbag, but I am not able to get the subscriber working for the compressed image topic. I did not save the image_raw topic. I only saved the ...
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Intermittent map with bag file [closed]

Hi! I am using a bag file to save my map made with hector_slam but when I start the bag file I see an intermittent map. Is there a way to see it continuously instead make it appear and disappear every ...
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Convert Raw Velodyne VLP16 pcap to bagFile

Hi, I have some raw velodyne VLP16 data in a pcap file. Is there a way to convert it to a ros bagFile? Here is a link to the raw log file: https://goo.gl/MJDfWA Thanks, Matt Originally posted by ...
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merged splitted bagfiles?

Is there a way to merged splitted bagfiles? I have: data0.bagfile data1.bagfile data2.bagfile ... And all of them are from the same recordbag with the option --split --duration=30 each of them are 30 ...
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Error playing bagfile ~4GB on 32bit system

Hello, I have no problem with the info comand, but when I am trying to play a bagfile but i am gettint an error. ...
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playback sequence of bag files in order

I recently created a sequence of large bag files from a single experiment using the chunksize option of rosbag record. Is there a method to play the resulting bag files back to back? Originally ...
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no neato laser scan with hector_slam

I am able to get a laser scan in rviz with neato lidar tutorial. But when I try to get a laser scan with hector_slam there isn't a scan in rviz. I am trying to use hector_map with out odometer. I ...
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1 answer
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can "rosbag filter" create a new bag file with multiple topics within it?

Hello, I have a bagfile with a lot of topics in it. For some reason I would like to filter out 4 topics of that bagfile into a new bagfile: ...
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TF_OLD_DATA error in laser_pipeline tutorial with bagfile

Hi, I'm following this tutorial: http://wiki.ros.org/laser_pipeline/Tutorials/IntroductionToWorkingWithLaserScannerData However, I cannot see the point cloud if I try to reproduce a bagfile and in the ...
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.bag file error by Hokuyo laser scanner

I am new to ROS. I tried to use " rosbag record -O mylaserdata /base_scan /tf " to record the distance data. But after I finish the recording, there is no message recorded to the ".bag&...
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Can't read bagfile containing custom messages

I have a bag file with video and imu data defined with custom messages that I want to read (especially topics /capture and /imu_raw). I know from documentation what the structure of the custom ...
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Any one can create a bag file for me?

Hello, To work on my thesis I need a bag file from a PR2 (or similar differential wheeled robot) sensors, and follows a simple closed path, like a square or a triangle. Topic that I need are: ...
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Cannot extract image from *.bag

I am using Fuerte to extract images from my bag file, here's my bag file info: ...
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converting image_raw to image_rect from kinect data

Hi i downloaded bagefile from mit stata center data set for testing fovis package. for kinect data(mono depth). fovis subscribing from this topices: ...
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python writing tf message into bagfile serialize error

Hi I am trying to write tf messages into a bagfile but I am getting this error message. ...
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launch file to make rviz to subscribe to laserscan published from a bag file

how can I make rviz to display laserscan data played from a bag file using a launch file? Originally posted by Solmaz on ROS Answers with karma: 3 on 2013-07-31 Post score: 0
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how to make ros node to communicate through serial port?

Hi, i have bag file containing /GPSFix. i want to feed this information to gps receiver in my gis application. gis application needs port address to connect. but how can i connect bagfile node to ...
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ROS Answers SE migration: rosbag play

Hi all! I record a topic with rosbag record topic and I could play the bag file. The topic I record was only published for example every five seconds, but when I play the bag file the topic was not ...
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Save message in bag File

Hi all! How can I save a message, which change from time to time, about a certain period in a bag file? (I like to reproduce the message at this time) Thanks for help! Originally posted by JaRu on ...
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rosbag not publishing clock

I recorded some bagfiles with different experiments, then using the rosbag cookbook I change some timestamps (http://www.ros.org/wiki/rosbag/Cookbook). Now when playing back the new bagfiles, the ...
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3 answers
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How to play rosbag using launch file?

I'm trying to play a bagfile using following launch file. ...
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1 answer
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bag file request

I'm working on a project that requires collecting a large set of data; anything from a few hours to a week's worth of scan (sensor_msgs/LaserScan) and tf (tf/tfMessage) topics, preferably recorded ...
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Access nodelet_manager when playing bagfile

I have a program that depends on the pointcloud_to_laserscan nodelet code. For normal access with real data, I use the following launch code: I have some bagfiles ...
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Best way to save multiple sensor for later processing?

Hi, I need to record all the data my robot collects from its sensors for later processing. ( LIDAR, Kinect, Stereo Cam, Thermal Cam, IMU, Odometry,...) So the first option that came to my mind, was to ...
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rxbag export crashes

Hi, I'm trying to export data from a bagfile using rxbag. After plotting without problems the data I'm interested on I do right click-> export to csv and after naming the file everything crashes ...
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2 answers
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How to extract video from bag file?

Hello I followed the tutorial [http://www.ros.org/wiki/rosbag/Tutorials/Exporting%20image%20and%20video%20data] about extracting video from bag file. I create a launch file like this ...
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