SqlGeography.STDistance 메서드

SQL Server 2012

Returns the shortest distance between a point in a SqlGeography instance and a point in another SqlGeography instance.

네임스페이스:  Microsoft.SqlServer.Types
어셈블리:  Microsoft.SqlServer.Types(Microsoft.SqlServer.Types.dll)

[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public SqlDouble STDistance(
	SqlGeography other

매개 변수

유형: Microsoft.SqlServer.Types.SqlGeography
Is another geography instance from which to measure the distance between the instance on which STDistance is invoked. If an empty set is specified, STDistance will return null.

반환 값

유형: System.Data.SqlTypes.SqlDouble
Returns null if the spatial reference IDs (SRIDs) of the SqlGeography instances do not match.If this method is used to determine distance between antipodal points, or consecutive points on opposite sides of the globe, as in the distance between POINT (0 0) and POINT (180 0), this method will return null.