SqlGeometry.STDistance 메서드

SQL Server 2012

Returns the shortest distance between a point in a SqlGeometry instance and a point in the specified SqlGeometry instance.

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

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

매개 변수

other
유형: Microsoft.SqlServer.Types.SqlGeometry
The SqlGeometry instance from which to measure the distance between the instance on which STDistance is invoked. If other is an empty set, STDistance returns null.

반환 값

유형: System.Data.SqlTypes.SqlDouble
A SqlDouble value that represents the shortest distance between a point in the calling SqlGeometry and a point in the specified SqlGeometry.

STDistance always returns null if the spatial reference IDs (SRIDs) of the SqlGeometry instances do not match.

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