How to parse rosbags split between multiple DB3 files using ros2bagreader?
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I am trying to use the "ros2bagreader" function to directly parse rosbags where the messages are split between multiple DB3 files and the initial argument is the directory. How can I open each file?
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MathWorks Support Team
2023-2-28
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The ability to directly parse a directory with multiple DB3 files is not available as of release R2022b.
However, to work around this, you can either:
- Specify each individual DB3 file separately, using the path to each file.
- Combine the segmented BAG files into one large BAG file.
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Snehal
2025-3-26
Update:
In MATLAB R2023b and later versions, you can parse multiple DB3 files within a common folder directly by specifying the ‘folderpath’ as a folder. Ensure that you have read and write access to the bag folder that contains the DB3 files.
Refer to the following documentation link for more details:
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