Comments (2)
The ReadResult contains progress info at the level of chunks:
// the offset of the chunk being read
// starts at 0 and eventually increments to totalChunks
// useful for computing read progress as a percentage
chunkOffset: number,
// the total chunks to eventually be consumed
// during the current read operation
totalChunks: number,
from rosbag.js.
If you're just reading the entire bag, you can determine how many messages there are in each topic by using bag.chunkInfos
. Each ChunkInfo
has a list of "connections" and how many messages there are for that connection. You can map back connections to topic names using bag.connections
.
from rosbag.js.
Related Issues (20)
- Transform record is polluted with unused fields when loading Example.bag HOT 1
- Error reports missing file header when file is non existent
- Add BigInt reading support HOT 2
- Propagate FileReader Errors HOT 7
- "should read bytes from a file" test fails on Windows HOT 4
- Node.js streams support for .pipe() HOT 3
- typescript support HOT 6
- Add filter option to read n chunks or bytes HOT 2
- Error: Expected file to be a File or Blob. Make sure you are correctly importing the node or web version of Bag. HOT 2
- Feature Suggestion: Allow decompression functions to be asynchronous HOT 17
- parsingMessageDefinition fails for "JSON" incompatible ros message HOT 2
- Replay at given rate HOT 3
- Issue for bags with the type Header in it HOT 3
- "extractFields" function triggers Buffer.indexOf polyfill slow path HOT 3
- Parse error for numeric constant with leading zero
- Release tags (looking for v2.6.3) HOT 1
- Is there a API using document?
- The for loop that will write faster
- Can it deal with ros2 bags as well ? HOT 5
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from rosbag.js.