SQL Server supports a number of extended methods on Open Geospatial Consortium (OGC) geometry instances.
For more information on OGC specifications, see the following:
OGC Specifications, Simple Feature Access Part 1 - Common Architecture
OGC Specifications, Simple Feature Access Part 2 – SQL Options
OGC Specifications, Geography Markup Language
AsBinaryZM (geometry DataType)
AsGml (geometry Data Type)
AsTextZM (geometry Data Type)
BufferWithCurves (geometry Data Type)
BufferWithTolerance (geometry Data Type)
CurveToLineWithTolerance (geometry Data Type)
InstanceOf (geometry Data Type)
Filter (geometry Data Type)
HasM (geometry DataType)
HasZ (geometry DataType)
IsNull (geometry Data Type)
IsValidDetailed (geometry DataType)
M (geometry Data Type)
MakeValid (geometry Data Type)
MinDbCompatibilityLevel (geometry Data Type)
Reduce (geometry Data Type)
ShortestLineTo (geography Data Type)
ToString (geometry Data Type)
Z (geometry Data Type)
