SqlSpatialFunctions.PointGeometry 方法

定義

命名空間:

System.Data.Entity.SqlServer

組件:

EntityFramework.SqlServer.dll

從 x 和 y 值及空間參考 ID (SRID) 建構表示 Point 執行個體的幾何執行個體。

[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

參數

xCoordinate

Nullable<Double>

正在產生之 Point 的 X 座標。

yCoordinate

Nullable<Double>

正在產生之 Point 的 Y 座標。

spatialReferenceId

Nullable<Int32>

地理執行個體的 SRID。

傳回

DbGeometry

建構的幾何執行個體。

屬性

DbFunctionAttribute SuppressMessageAttribute