def __init__(self, id=0, x=0, y=0, z=0):
"""
Node constructor
:param id: unique node identifier
:param x: position x (meters)
:param y: position y (meters)
:param z: altitude (meters)
:return:
"""
self.apply_config(self.get_config(self.p_type, self.name))
self.id = id
self.rf = RfModule()
self.rf.set_core(self)
if "rf" in self.config:
self.rf.apply_config(self.config["rf"])
self.position = Position()
self.set_position(x, y, z)
