Signatures
Parameters
The X coordinate (longitude).
The Y coordinate (latitude).
The Z coordinate (elevation).
The M coordinate (measure).
Spatial Reference Identifier.
Return type
The resulting geometry.
Constructors
ST_PointZM
Construct a Point from X, Y, Z, M and an optional srid. If srid is not set, it defaults to 0 (unknown).
Must use ST_AsEWKT function to print the Z and M coordinates.