ST_accelerationAtTime
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Returns the acceleration value of a trajectory object at a specified time point.
Syntax
float8 ST_accelerationAtTime(trajectory traj, timestamp t);Parameters
| Parameter | Description |
|---|---|
traj | The trajectory object. |
t | The time point. |
Example
Select ST_accelerationAtTime(traj, '2010-1-11 23:40:00') From traj_table;Is this page helpful?