STPolyFromText 方法
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation augmented with any Z (elevation) and M (measure) values carried by the instance.
命名空间: Microsoft.SqlServer.Types
程序集: Microsoft.SqlServer.Types(在 Microsoft.SqlServer.Types.dll 中)
语法
声明
<SqlMethodAttribute(IsDeterministic := True, IsPrecise := False)> _
Public Shared Function STPolyFromText ( _
polygonTaggedText As SqlChars, _
srid As Integer _
) As SqlGeometry
用法
Dim polygonTaggedText As SqlChars
Dim srid As Integer
Dim returnValue As SqlGeometry
returnValue = SqlGeometry.STPolyFromText(polygonTaggedText, _
srid)
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public static SqlGeometry STPolyFromText(
SqlChars polygonTaggedText,
int srid
)
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public:
static SqlGeometry^ STPolyFromText(
SqlChars^ polygonTaggedText,
int srid
)
[<SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)>]
static member STPolyFromText :
polygonTaggedText:SqlChars *
srid:int -> SqlGeometry
public static function STPolyFromText(
polygonTaggedText : SqlChars,
srid : int
) : SqlGeometry
参数
- polygonTaggedText
类型:System.Data.SqlTypes. . :: . .SqlChars
The WKT representation of the SqlGeometry Polygon instance you wish to return.
- srid
类型:System. . :: . .Int32
An int expression that represents the spatial reference ID (SRID) of the SqlGeometry Polygon instance you wish to return.
返回值
类型:Microsoft.SqlServer.Types. . :: . .SqlGeometry
A SqlGeometry object constructed from the specified WKT representation.
注释
This method will throw a FormatException if the input is not well-formatted.
This member is static.