SQL Server 2008 Books Online (October 2009)
STIntersects (geometry Data Type)

Returns 1 if a geometry instance intersects another geometry instance. Returns 0 if it does not.

Syntax

.STIntersects ( other_geometry )
Arguments

other_geometry

Is another geometry instance to compare against the instance on which STIntersects() is invoked.

Return Types

SQL Server return type: bit

CLR return type: SqlBoolean

Remarks

This method always returns null if the spatial reference IDs (SRIDs) of the geometry instances do not match.

Examples

The following example uses STIntersects() to determine if two geometry instances intersect each other.

DECLARE @g geometry;
DECLARE @h geometry;
SET @g = geometry::STGeomFromText('LINESTRING(0 2, 2 0, 4 2)', 0);
SET @h = geometry::STGeomFromText('POINT(1 1)', 0);
SELECT @g.STIntersects(@h);
See Also

Other Resources

Geometry Methods Supported by Spatial Indexes
OGC Methods on Geometry Instances

Help and Information

Getting SQL Server 2008 Assistance
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