ST_PointZM — Creates a Point with X, Y, Z, M and SRID values.
geometry ST_MakeEnvelope(
double precision xmin, double precision ymin, double precision xmax, double precision ymax, integer srid=unknown)
;
Devuelve un ST_Point con el valor de coordenadas dado. Es un alias de ST_MakePoint del OGC.
Enhanced: 3.2.0 srid as an extra optional argument was added. Older installs require combining with ST_SetSRID to mark the srid on the geometry.