STNumPoints (geography Data Type)
Returns the total number of points in each of the figures in a geography instance.
Syntax
.STNumPoints ( )
Return Types
SQL Server return type: int
CLR return type: SqlInt32
Remarks
This method counts the points in the description of a geography instance. Duplicate points are counted. If this instance is a collection, this method returns the total number of points in each of the elements in the collection.
Examples
The following example creates a LineString instance and uses STNumPoints() to determine how many points were used in the description of the instance.
DECLARE @g geography;
SET @g = geography::STGeomFromText('LINESTRING(-122.360 47.656, -122.343 47.656)', 4326);
SELECT @g.STNumPoints();