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Documentation Index

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Return the Well-Known Text string representation of a geometry. It will support M coordinate if present since v1.5.0.

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Signatures

ST_AsText (A: Geometry)

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Parameters

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A
Geometry
required
The input geometry.

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Return type

A string representation.

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Examples

SELECT ST_AsText(ST_SetSRID(ST_Point(1.0,1.0), 3021))

POINT (1 1)

SELECT ST_AsText(ST_MakePointM(1.0, 1.0, 1.0))

POINT M(1 1 1)

SELECT ST_AsText(ST_MakePoint(1.0, 1.0, 1.0, 1.0))

POINT ZM(1 1 1 1)