STPolyFromText (geometry)

STPolyFromText (geometry)#

Returns a geometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation augmented with any Z (elevation) and M (measure) values carried by the instance.

Syntax#

.STPolyFromText ( 'polygon_tagged_text' , SRID )

Arguments#

polygon_tagged_text

Is the WKT representation of the geometryPolygon instance you wish to return. polygon_tagged_text is an nvarchar(max) expression.

SRID

Is an int expression representing the spatial reference ID (SRID) of the geometryPolygon instance you wish to return.

Return type#

geometry

Remarks#

This method will throw a FormatException if the input is not well-formatted.

Example#

Use STPolyFromText() to create a geometry instance.

DECLARE @g geometry;
SET @g = geometry::STPolyFromText('POLYGON ((5 5, 10 5, 10 10, 5 5))', 0);
SELECT @g.ToString();

See Also#