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Documentation Index

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Return the Convex Hull of polygon A ST_ConvexHull

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Signatures

ST_ConvexHull (A: Geometry)

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Parameters

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A
Geometry
required
The input geometry.

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Return type

The resulting geometry.

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Example

SELECT ST_ConvexHull(ST_GeomFromText('POLYGON((175 150, 20 40, 50 60, 125 100, 175 150))'))

POLYGON ((20 40, 175 150, 125 100, 20 40))