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Parse (geometry Data Type)

Returns a geometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation. Parse() is equivalent to STGeomFromText(), with the exception that it assumes a spatial reference ID (SRID) of 0 as a parameter. The input may carry optional Z (elevation) and M (measure) values.

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

Parse ( 'geometry_tagged_text' )

geometry_tagged_text

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

SQL Server return type: geometry

CLR return type: SqlGeometry

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

The string 'Null' will be interpreted as a null geometry instance.

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

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

DECLARE @g geometry; 
SET @g = geometry::Parse('LINESTRING (100 100, 20 180, 180 180)');
SELECT @g.ToString();
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