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STIntersects (geography Data Type)

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

Syntax

.STIntersects ( other_geography )

Arguments

  • other_geography
    Is another geography 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 geography instances do not match.

Examples

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

DECLARE @g geography;
DECLARE @h geography;
SET @g = geography::STGeomFromText('POLYGON((-122.358 47.653, -122.348 47.649, -122.348 47.658, -122.358 47.658, -122.358 47.653))', 4326);
SET @h = geography::STGeomFromText('LINESTRING(-122.360 47.656, -122.343 47.656)', 4326);

See Also

Other Resources