SqlSpatialFunctions.PointGeometry 方法

定义

命名空间:

System.Data.Entity.SqlServer

程序集:

EntityFramework.SqlServer.dll

构造一个表示从其的 x 和 y 的值及空间引用 ID (SRID) 中的点实例的几何图形实例。

[System.Data.Entity.DbFunction("SqlServer", "POINTGEOMETRY")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="xCoordinate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="yCoordinate")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", Justification="Naming convention prescribed by OGC specification", MessageId="y")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="spatialReferenceId")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", Justification="Naming convention prescribed by OGC specification", MessageId="x")]
public static System.Data.Entity.Spatial.DbGeometry PointGeometry (Nullable<double> xCoordinate, Nullable<double> yCoordinate, Nullable<int> spatialReferenceId);

static member PointGeometry : Nullable<double> * Nullable<double> * Nullable<int> -> System.Data.Entity.Spatial.DbGeometry

Public Shared Function PointGeometry (xCoordinate As Nullable(Of Double), yCoordinate As Nullable(Of Double), spatialReferenceId As Nullable(Of Integer)) As DbGeometry

参数

xCoordinate

Nullable<Double>

正在生成的点的 x 坐标。

yCoordinate

Nullable<Double>

正在生成的点的 y 坐标。

spatialReferenceId

Nullable<Int32>

地理实例的 SRID。

返回

DbGeometry

构造的几何图形实例。

属性

DbFunctionAttribute SuppressMessageAttribute