获得轨迹的时间线。
语法
text ST_trajectoryTemporal(trajectory traj); text ST_trajTemporal(trajectory traj);
参数
| 参数名称 | 描述 |
|---|---|
| traj | 需要获得时间线的轨迹。 |
示例
select ST_trajectoryTemporal(ST_MakeTrajectory('STPOINT'::leaftype, st_geomfromtext('LINESTRING (114 35, 115 36, 116 37)', 4326), '[2010-01-01 14:30, 2010-01-01 15:30)'::tsrange, null));
st_trajectorytemporal
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{"timeline":["2010-01-01 14:30:00","2010-01-01 15:00:00","2010-01-01 15:30:00"]}
(1 row)
