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These functions take as arguments a Well-Known Text (WKT) representation and, optionally, a spatial reference system identifier (SRID). They return the corresponding geometry.

`GeomFromText()`

accepts a WKT value
of any geometry type as its first argument. Other functions
provide type-specific construction functions for construction of
geometry values of each geometry type.

For a description of WKT format, see Section 11.5.3.1.1, “Well-Known Text (WKT) Format”.

`GeomCollFromText(`

,[,`wkt`

])`srid`

`GeometryCollectionFromText(`

[,`wkt`

])`srid`

Constructs a

`GeometryCollection`

value using its WKT representation and SRID.`GeomFromText(`

,[,`wkt`

])`srid`

`GeometryFromText(`

[,`wkt`

])`srid`

Constructs a geometry value of any type using its WKT representation and SRID.

`LineFromText(`

,[,`wkt`

])`srid`

`LineStringFromText(`

[,`wkt`

])`srid`

Constructs a

`LineString`

value using its WKT representation and SRID.`MLineFromText(`

,[,`wkt`

])`srid`

`MultiLineStringFromText(`

[,`wkt`

])`srid`

Constructs a

`MultiLineString`

value using its WKT representation and SRID.`MPointFromText(`

,[,`wkt`

])`srid`

`MultiPointFromText(`

[,`wkt`

])`srid`

Constructs a

`MultiPoint`

value using its WKT representation and SRID.`MPolyFromText(`

,[,`wkt`

])`srid`

`MultiPolygonFromText(`

[,`wkt`

])`srid`

Constructs a

`MultiPolygon`

value using its WKT representation and SRID.Constructs a

`Point`

value using its WKT representation and SRID.`PolyFromText(`

,[,`wkt`

])`srid`

`PolygonFromText(`

[,`wkt`

])`srid`

Constructs a

`Polygon`

value using its WKT representation and SRID.