def get_constrains(self, fopt: List[float]) -> List[float]:
"""
to get all constrains as a List[float]
:param fopt: variable to optimize
:return: all constrains as a List[float]
"""
f = self.fopt_to_f(fopt)
z, v, loaded_section_route = Assignment.get_alighting_and_boarding(self.Vij, self.hyperpaths, self.successors,
self.assignment, f)
most_loaded_section = Assignment.most_loaded_section(loaded_section_route)
constrain_obj = Constrains()
ineq_k = constrain_obj.most_loaded_section_constrains(self.network_obj.get_routes(), most_loaded_section)
ineq_f = constrain_obj.fmax_constrains(self.graph_obj, self.network_obj.get_routes(),
self.network_obj.get_modes(), f)
con = []
for c in ineq_k:
con.append(c)
for c in ineq_f:
con.append(c)
return con
def get_k(loaded_section_route: defaultdict3_float) -> defaultdict_float:
"""
:param loaded_section_route: dic[route_id][direction][stop: StopNode] = pax [pax/veh]
:return: k: dic[route_id] = vehicle capacity [pax/veh]
"""
most_loaded_section = Assignment.most_loaded_section(loaded_section_route)
k = defaultdict(float)
for route_id in most_loaded_section:
k[route_id] = most_loaded_section[route_id]
return k
def constrains(self, loaded_section_route: defaultdict3_float, f: defaultdict_float) -> (
List[float], List[float]):
"""
to get k constrains and f constrains
:param loaded_section_route: dic[route_id][direction][stop: StopNode] = pax [pax/veh]
:param f: dict with frequency [veh/hr] for each route_id
:return: (k_ineq_constrains, f_ineq_constrains)
"""
most_loaded_section = Assignment.most_loaded_section(loaded_section_route)
constrains_obj = Constrains()
ineq_k = constrains_obj.most_loaded_section_constrains(self.network_obj.get_routes(), most_loaded_section)
ineq_f = constrains_obj.fmax_constrains(self.graph_obj, self.network_obj.get_routes(),
self.network_obj.get_modes(), f)
return ineq_k, ineq_f
def test_most_loaded_section(self):
"""
to test most_loaded_section class assignment
:return:
"""
f = defaultdict(float)
for route in self.network_obj.get_routes():
f[route.id] = 28
z, v, loaded_section_route = Assignment.get_alighting_and_boarding(Vij=self.Vij, hyperpaths=self.hyperpaths,
successors=self.successors,
assignment=self.OD_assignment, f=f)
loaded_section = Assignment.most_loaded_section(loaded_section_route)
self.assertEqual(len(loaded_section), 4)
self.assertEqual(loaded_section['F_metro_1'], loaded_section['F_metro_2'])
self.assertEqual(loaded_section['F_metro_1'], 0.044997165532879815)
self.assertEqual(loaded_section['R_bus_1'], loaded_section['R_bus_2'])
self.assertEqual(loaded_section['R_bus_1'], 1.4880952380952384)