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STPointFromWKB (geometry Data Type)

STPointFromWKB (geometry Data Type)


Applies To: SQL Server 2014, SQL Server 2016 Preview

Returns a geometry Point instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation.

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

STPointFromWKB ( 'WKB_point' , SRID )


Is the WKB representation of the geometry Point instance you wish to return. WKB_point is a varbinary(max) expression.


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

SQL Server return type: geometry

CLR return type: SqlGeometry

OGC type: Point

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

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

DECLARE @g geometry; 
SET @g = geometry::STPointFromWKB(0x010100000000000000000059400000000000005940, 0);
SELECT @g.STAsText();

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