STPolyFromWKB (geography Data Type)

APPLIES TO: yesSQL Server (starting with 2008) yesAzure SQL Database noAzure SQL Data Warehouse noParallel Data Warehouse

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


STPolyFromWKB ( 'WKB_polygon' , SRID )  


Is the WKB representation of the geographyPolygon instance you wish to return. WKB_polygon is a varbinary(max) expression.

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

Return Types

SQL Server return type: geography

CLR return type: SqlGeography

OGC type: Polygon


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


The following example uses STPolyFromWKB() to create a geography instance.

DECLARE @g geography;   
SET @g = geography::STPolyFromWKB(0x01030000000100000005000000F4FDD478E9965EC0DD24068195D3474083C0CAA145965EC0508D976E12D3474083C0CAA145965EC04E62105839D44740F4FDD478E9965EC04E62105839D44740F4FDD478E9965EC0DD24068195D34740, 4326);  
SELECT @g.ToString();  

See Also

OGC Static Geography Methods