This function returns the spatial geometry object of a trajectory object at the specified time point.
Syntax
geometry ST_pointAtTime(trajectory traj, timestamp t);
Parameters
Parameter | Description |
---|---|
traj | The trajectory object. |
t | The time point. |
This function returns a spatial point.
Examples
Select ST_pointAtTime(traj, '2010-1-11 23:40:00') from traj_table;