ST_ForcePolygonCW

For (Multi)Polygon geometries, this function sets the exterior ring orientation to clockwise and interior rings to counter-clockwise orientation. Non-polygonal geometries are returned unchanged.

Signatures

ST_ForcePolygonCW(geom: Geometry)

Parameters

geom

Geometry

required

The input geometry.

Return type

The resulting geometry.

Example

SELECT ST_AsText(ST_ForcePolygonCW(ST_GeomFromText('POLYGON ((20 35, 10 30, 10 10, 30 5, 45 20, 20 35),(30 20, 20 15, 20 25, 30 20))')))

POLYGON ((20 35, 45 20, 30 5, 10 10, 10 30, 20 35), (30 20, 20 25, 20 15, 30 20))

ST_ForcePolygonCCW

ST_ForceRHR

⌘I

Wherobots Cloud REST API

WherobotsDB

Vector tiles (PMTiles)

Havasu (Iceberg) table management

GeoStats and Map Matching

Rasterflow

Signatures

Parameters

Return type

Example

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​Example

Signatures

Parameters

Return type

Example