Kommentar
Åtkomst till den här sidan kräver auktorisering. Du kan prova att logga in eller ändra kataloger.
Åtkomst till den här sidan kräver auktorisering. Du kan prova att ändra kataloger.
Returns a geography 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.
Syntax
STPointFromText ( 'point_tagged_text' , SRID )
Arguments
point_tagged_text
Is the WKT representation of the geography Point instance you wish to return. point_tagged_text is an nvarchar(max) expression.SRID
Is an int expression representing the spatial reference ID (SRID) of the geography Point instance you wish to return.
Return Types
SQL Server return type: geography
CLR return type: SqlGeography
OGC type: Point
Remarks
This method throws a FormatException if the input is not well-formatted.
Examples
The following example uses STPointFromText() to create a geography instance.
DECLARE @g geography;
SET @g = geography::STPointFromText('POINT(-122.34900 47.65100)', 4326);
SELECT @g.ToString();