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STGeomFromWKB (geometry Data Type)

Returns a geometry 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.

STGeomFromWKB ( 'WKB_geometry' , SRID )

WKB_geometry

Is the WKB representation of the geometry instance you wish to return. WKB_geometry is a varbinary(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 STGeomFromText() is set to the corresponding WKB input.

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

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

DECLARE @g geometry; 
SET @g = geometry::STGeomFromWKB(0x010200000003000000000000000000594000000000000059400000000000003440000000000080664000000000008066400000000000806640, 0);
SELECT @g.STAsText();
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