STGeometryN (geometry Data Type)
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STGeometryN (geometry Data Type)

Returns a specified geometry in a geometry collection.

.STGeometryN ( expression )


Is an int expression between 1 and the number of geometry instances in the geometry collection.

SQL Server return type: geometry

CLR return type: SqlGeometry

This method returns null if the parameter is larger than the result of STNumGeometries() and will throw an ArgumentOutOfRangeException if the expression parameter is less than 1.

The following example creates a MultiPoint geometry collection and uses STGeometryN() to find the second geometry instance of the collection.

DECLARE @g geometry;
SET @g = geometry::STGeomFromText('MULTIPOINT(0 0, 13.5 2, 7 19)', 0);
SELECT @g.STGeometryN(2).ToString();

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