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STMPolyFromText (geography Data Type)

Applies To: SQL Server 2014, SQL Server 2016 Preview

Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).

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.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database.

STMPolyFromText ( 'multipolygon_tagged_text' , SRID )

multipolygon_tagged_text

Is the WKT representation of the geography MultiPolygon instance you wish to return. multipolygon_tagged_text is an nvarchar(max) expression.

SRID

Is an int expression representing the spatial reference ID (SRID) of the geography MultiPolygon instance you wish to return.

SQL Server return type: geography

CLR return type: Sql Geography

OGC type: MultiPolygon

This method throws a FormatException if the input is not well-formatted.

The following example uses STMPolyFromText() to create a geography instance.

DECLARE @g geography;
SET @g = geography::STMPolyFromText('MULTIPOLYGON(((-122.358 47.653, -122.348 47.649, -122.358 47.658, -122.358 47.653)), ((-122.341 47.656, -122.341 47.661, -122.351 47.661, -122.341 47.656)))', 4326);
SELECT @g.ToString();
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