File size: 1,416 Bytes
3b9fe6a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | # Initial Import Report
Date: 2026-05-15
## Summary
- Source directory: `dataset/bags`
- Imported session directory: `raw/sessions`
- Import mode: `hardlink`
- Source bags found: 17
- Sessions imported: 17
- Source data size: 76G
- Imported raw session apparent data size: 76G
- Extra disk used by raw session bags before Git LFS object storage: near zero, because `bag.bag` files are hardlinks to preserved source bags
- Original source bags preserved: yes
- Git LFS configured: yes
- `metadata/sessions.parquet` rows: 17
- `metadata/topics.parquet` rows: 0
## Session Import Status
All matching files named `odom_dataset_YYYYMMDD_HHMMSS.bag` from `dataset/bags` were imported into `raw/sessions/<session_id>/` using hardlinks.
Each session has:
- `bag.bag`
- `bag.bag.sha256`
- `metadata.yaml`
## Topic Scan Status
Topic scanning is blocked in the current shell because the ROS `rosbag` Python package is not available.
Observed error:
```text
Failed to import rosbag. Please source your ROS environment first, for example:
source /opt/ros/noetic/setup.bash
```
No fake `topic_summary.yaml` files were generated. That is intentional. A missing scan is better than false metadata.
## Next Required Step
Use a ROS environment, then run:
```bash
source /opt/ros/noetic/setup.bash
conda activate odom_dataset
make scan-all
make build-index
make validate
git add .
git commit -m "scan rosbag topics"
```
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