Trajectory metadata persisted alongside VIN snippet poses.
| Name | Description |
|---|---|
| time_ns | Pose timestamps with shape (F,) when available. |
| gravity_in_world | Gravity vector in world frame with shape (3,) when available. |
# CompactTrajectoryBlock { #aria_nbv.data_handling.CompactTrajectoryBlock }
```python
data_handling.CompactTrajectoryBlock(time_ns=None, gravity_in_world=None)
```
Trajectory metadata persisted alongside VIN snippet poses.
## Attributes
| Name | Description |
| --- | --- |
| [time_ns](#aria_nbv.data_handling.CompactTrajectoryBlock.time_ns) | Pose timestamps with shape ``(F,)`` when available. |
| [gravity_in_world](#aria_nbv.data_handling.CompactTrajectoryBlock.gravity_in_world) | Gravity vector in world frame with shape ``(3,)`` when available. |