This topic describes the ST_RemoveRepeatedPoints function. This function deletes the duplicated points of the input geometry object and returns a new geometry object.
Syntax
geometry ST_RemoveRepeatedPoints(geometry geom , float8 tolerance);Parameters
| Parameter | Description |
|---|---|
| geom | The geometry object that you want to specify. |
| tolerance | The tolerance that you want to specify. |
Description
Results returned by using the default parameter settings:
select ST_AsText(ST_RemoveRepeatedPoints('POLYGON((0 0,1 0,1 0,1 1,0 0))'::geometry));
st_astext
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POLYGON((0 0,1 0,1 1,0 0))
(1 row)