STMPolyFromText (geometry Data Type)
Applies to:
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Returns a geometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation with any Z (elevation) and M (measure) values carried by the instance.
Syntax
STMPolyFromText ( 'multipolygon_tagged_text' , SRID )
Note
To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation.
Arguments
multipolygon_tagged_text
Is the WKT representation of the geometryMultiPolygon instance you wish to return. multipolygon_tagged_text is an nvarchar(max) expression.
SRID
Is an int expression representing the spatial reference ID (SRID) of the geometryMultiPolygon instance you wish to return.
Return Types
SQL Server return type: geometry
CLR return type: Sql Geometry
OGC type: MultiPolygon
Remarks
This method will throw a FormatException if the input is not well-formatted.
Examples
The following example uses STMPolyFromText()
to create a geometry
instance.
DECLARE @g geometry;
SET @g = geometry::STMPolyFromText('MULTIPOLYGON (((5 5, 10 5, 10 10, 5 5)), ((10 10, 100 10, 200 200, 30 30, 10 10)))', 0);
SELECT @g.ToString();
See Also
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