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Questions tagged [rosbag-record]

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Camera & IMU .bag recording

I am currently trying to work with the camera and IMU data and it needs to by synchronized However, I tried to record data using this command: ...
Wraith's user avatar
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1 answer
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Exclude regex in the rosbag record cmd line not working when used inside a C++ program

I am using a system() call to record a ros bag with a C++ program. The example below works well when called from C++ Example: ...
shreedhar.R shree's user avatar
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Recover data from incorrectly terminated bag

I have bag whose recording was abruptly terminated due to a power outage. When I run rosbag reindex I can see that the reindexed bag is around 300 KB smaller than ...
Mikkel Tiller's user avatar
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1 answer
159 views

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 &...
tmwilson500's user avatar
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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 ...
user36943's user avatar
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1 answer
376 views

ROS 2 Bag Record with Topic Remapping

Hello dear ROS Developers, I am trying to record a ros2 bag in my humble, i am having the /scan_filtered topic, now i want to record the /scan_filtered topic in a bag, but it should store inside the ...
Vignesh's user avatar
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1 answer
19 views

How to create topics and synchronize them when recording a bagfile

Hello everyone, thanks for taking the time to check my post. So let me describe what I want to do. For starters I have a bag file containing a topic which carries a directory path at each message, ...
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1 answer
17 views

Migrating rosbag message

Hi Guys, When I was trying to play a rosbag file in ROS Indigo version, I was getting the below error. ...
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1 answer
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hz of our sensor's the topic was DECREASED, When I record some data with rosbag

Hello, experts. I used rosbag to acquire our sensor data as camera, lidar. You can reference below spec. Camera Node : 1980x1208 (FHD, RGB), 20 hz Lidar Node : 64 Channel, 20 hz I recorded topics on ...
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1 answer
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Issue when using rosbag to record concurrent messages from multiple devices to a single topic

Hi All, I've been struggling with this issue ever since upgrading our kinetic/indigo systems. Brief outline of our software/hardware; 7 laptops (3 on indigo and 4 on kinetic), 3 turtlebot2 platforms ...
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1 answer
7 views

Data saved samples down when recording a rosbag

I am trying to save RGB and Depth images from 5 different sensors and as well record a rosbag from them. When ever I try to record he rosbag, the number of images saved drops from 30Hz to 7 Hz. ...
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1 answer
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My rosbag info shows messages, but my ros msgs are empty

Below is my code snippet to record rostopics using ROSbag API. My messages are empty when I do a rostopic echo. I am not sure what is happening. My bag is being recorded and my ...
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1 answer
29 views

Rosbag record dropping and corrupting data

Hello, I'm trying to store selected topics being published from various sensors sources (velodyne, monocular camera, IMUs) in a large bag file. I'm able to record the bagfile without seeing any errors....
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1 answer
46 views

Extract a topic from bag file and save it to another bag file

Hi to all, I have a *.bag file which contains different topics and I would like to extract only a specific topic and record it in a new bag file. Is it possible? I've read about a solution which ...
user avatar
0 votes
1 answer
8 views

How do I write a C++ code to record variable location of robot in rosbag file?

I have written a code to record in rosbag file. But if the rosbag file starts, then the robot does not move because of sequential way of code. Here is that part of code : ...
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1 answer
103 views

ROS Bag File Point Cloud

Is their a way to open a .bag file in a application such as cloud compare, or mesh lab? I am using a Kinect camera for mapping and I want to be able to view the 3d point cloud map created. Thank you ...
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1 answer
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How to write to a ROS-bag in MATLAB?

Hello all, I am new to using ROS at my university. What I would like to do seems simple: I would like to open a ROS bag in MATLAB, (which I can already do thanks to using https://github.com/bcharrow/...
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4 answers
26 views

"rosbag record -a" in C++?

I want to implement a node which is able to start recording every topic. It should record everything like the command line rosbag record -a. is there a possibility ...
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