STGeomFromText (geography Data Type)
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
STGeomFromText ( 'geography_tagged_text' , SRID )
Arguments
geography_tagged_text
Is the WKT representation of the geography instance you wish to return. geography_tagged_text is an nvarchar(max) expression.SRID
Is an int expression representing the spatial reference ID (SRID) of the geography instance you wish to return.
Return Types
SQL Server return type: geography
CLR return type: SqlGeography
Remarks
The OGC type of the geography instance returned by STGeomFromText() is set to the corresponding WKT input.
This method will throw a FormatException if the input is not well-formatted.
Examples
The following example uses STGeomFromText() to create a geography instance.
DECLARE @g geography;
SET @g = geography::STGeomFromText('LINESTRING(-122.360 47.656, -122.343 47.656)', 4326);
SELECT @g.ToString();