extended-methods-on-geography-instances.md

title	Extended Methods on Geography Instances
description	Extended Methods on Geography Instances
author	MladjoA
ms.author	mlandzic
ms.date	03/14/2017
ms.service	sql
ms.subservice	t-sql
ms.topic	reference
ms.custom	ignite-2025
dev_langs	TSQL
monikerRange	=azuresqldb-current || >=sql-server-2016 || >=sql-server-linux-2017 || =azuresqldb-mi-current || =fabric-sqldb

Extended Methods on Geography Instances

[!INCLUDE SQL Server Azure SQL Database Azure SQL Managed Instance FabricSQLDB]

[!INCLUDEssNoVersion] supports a number of extended methods on Open Geospatial Consortium (OGC) geography instances.

For more information on OGC specifications, see the following resources:

• OGC Specifications, Simple Feature Access Part 1 - Common Architecture

• OGC Specifications, Simple Feature Access Part 2 - SQL Options

• OGC Specifications, Geography Markup Language

In This Section

• AsBinaryZM (geography Data Type)

• AsGml

• AsTextZM

• BufferWithCurves (geography Data Type)

• BufferWithTolerance

• CurveToLineWithTolerance (geography Data Type)

• EnvelopeAngle

• EnvelopeCenter

• Filter

• HasM (geography Data Type)

• HasZ (geography Data Type)

• InstanceOf

• IsNull

• IsValidDetailed (geography Data Type)

• Lat

• Long

• M

• MakeValid

• MinDbCompatibilityLevel (geography Data Type)

• NumRing

• Reduce

• ReorientObject

• RingN

• ShortestLineTo (geography Data Type)

• ToString

• Z

See Also

OGC Methods on Geography Instances
OGC Static Geography Methods
Extended Static Geography Methods