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STGeomCollFromText (geometry Data Type)

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.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database.

STGeomCollFromText ( 'geometrycollection_tagged_text' , SRID )

geometrycollection_tagged_text

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

SRID

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

SQL Server return type: geometry

CLR return type: SqlGeometry

The OGC type of the geometry instance returned by STGeomCollFromText() is set to the corresponding WKT input.

This method will throw an exception if the input is not valid.

The following example uses STGeomCollFromText() to create a geometry instance.

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