STArea STAsBinary STAsText STBoundary STBuffer STCentroid STContains STConvexHull STCrosses STDifference STDimension STDisjoint STDistance STEndPoint STEnvelope STEquals STExteriorRing STGeometryN STGeometryType STInteriorRing STIntersection STIntersects STIsClosed STIsEmpty STIsRing STIsSimple STIsValid STLength STNumGeometries STNumInteriorRing STNumPoints STOverlaps STPointN STPointOnSurface STRelate STSrid STStartPoint STSymDifference STTouches STUnion STWithin STX STY BufferWithTolerance InstanceOf Reduce ToString STArea STAsBinary STAsText STBuffer STDifference STDimension STDisjoint STDistance STEndPoint STEquals STGeometryN STGeometryType STIntersection STIntersects STIsClosed STIsEmpty STLength STNumGeometries STNumPoints STPointN STSrid STStartPoint STSymDifference STUnion AsGml AsTextZM BufferWithTolerance InstanceOf IsNull Lat Long M (measure) NumRings RingN ToString Z (elevation)