coords_to_wkb_buf ewkt_out tpoint_wkb_needs_srid wkt_out

ewkt_out() char * ewkt_out ( Datum  value, meosType  type, int  maxdd  ) Output a geometry in Extended Well-Known Text (EWKT) format, that is, in WKT format prefixed with the SRID. Note The parameter type is not needed for temporal points