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Forces the geometries into a “2-dimensional mode” so that all output representations will only have the X and Y coordinates. This function is an alias of ST_Force_2D. ST_Force2D

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Signatures

ST_Force2D (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_Force2D(ST_GeomFromText('POLYGON((0 0 2,0 5 2,5 0 2,0 0 2),(1 1 2,3 1 2,1 3 2,1 1 2))'))

POLYGON((0 0,0 5,5 0,0 0),(1 1,3 1,1 3,1 1))