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Returns a point interpolated along a line. First argument must be a LINESTRING. Second argument is a Double between 0 and 1 representing fraction of total linestring length the point has to be located. ST_LineInterpolatePoint

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Signatures

ST_LineInterpolatePoint (geom: Geometry, fraction: Double)

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Parameters

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geom
Geometry
required
The input geometry.
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fraction
Double
required
The fraction value.

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Return type

The resulting geometry.

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Example

SELECT ST_LineInterpolatePoint(ST_GeomFromWKT('LINESTRING(25 50, 100 125, 150 190)'), 0.2)

POINT (51.5974135047432 76.5974135047432)