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mirror of https://github.com/Ahp06/SUMO_Emissions.git synced 2024-11-22 03:26:30 +00:00

Added TrafficLight model and actions on traffic lights

This commit is contained in:
Ahp06 2018-11-23 14:40:47 +01:00
parent 7972f4d794
commit 0df0897c72
3 changed files with 203 additions and 182 deletions

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@ -36,7 +36,9 @@ def limit_speed_into_area(area: Area, vehicles: Iterable[Vehicle], max_speed):
traci.lane.setMaxSpeed(lane.lane_id, max_speed/3.6)
def adjust_traffic_light_phase_duration():
'''for tl_id in traci.trafficlight.getIDList():
print(traci.trafficlight.getCompleteRedYellowGreenDefinition(tl_id))'''
def adjust_traffic_light_phase_duration(area,reduction_factor):
for tl in area._tls:
phaseDuration = traci.trafficlight.getPhaseDuration(tl.tl_id)
traci.trafficlight.setPhaseDuration(tl.tl_id, phaseDuration*reduction_factor)

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@ -1,115 +1,121 @@
from typing import List
import traci
from shapely.geometry import LineString
import actions
import config
import sys
from model import Area, Vehicle, Lane
def init_grid(simulation_bounds, cells_number):
grid = list()
width = simulation_bounds[1][0] / cells_number
height = simulation_bounds[1][1] / cells_number
for i in range(cells_number):
for j in range(cells_number):
# bounds coordinates for the area : (xmin, ymin, xmax, ymax)
ar_bounds = ((i * width, j * height), (i * width, (j + 1) * height),
((i + 1) * width, (j + 1) * height), ((i + 1) * width, j * height))
area = Area(ar_bounds)
area.name = 'area ({},{})'.format(i, j)
grid.append(area)
traci.polygon.add(area.name, ar_bounds, (0, 255, 0))
return grid
def compute_vehicle_emissions(veh_id):
return (traci.vehicle.getCOEmission(veh_id)
+ traci.vehicle.getNOxEmission(veh_id)
+ traci.vehicle.getHCEmission(veh_id)
+ traci.vehicle.getPMxEmission(veh_id)
+ traci.vehicle.getCO2Emission(veh_id))
def get_all_vehicles() -> List[Vehicle]:
vehicles = list()
for veh_id in traci.vehicle.getIDList():
veh_pos = traci.vehicle.getPosition(veh_id)
vehicle = Vehicle(veh_id, veh_pos)
vehicle.emissions = compute_vehicle_emissions(veh_id)
vehicles.append(vehicle)
return vehicles
def get_all_lanes() -> List[Lane]:
lanes = []
for lane_id in traci.lane.getIDList():
polygon_lane = LineString(traci.lane.getShape(lane_id))
lanes.append(Lane(lane_id, polygon_lane))
return lanes
def get_emissions(grid: List[Area], vehicles: List[Vehicle]):
for area in grid:
for vehicle in vehicles:
if vehicle.pos in area:
area.emissions += vehicle.emissions
if config.lock_mode and area.emissions > config.EMISSIONS_THRESHOLD and not area.locked:
actions.limit_speed_into_area(area, vehicles,30)
traci.polygon.setColor(area.name, (255, 0, 0))
traci.polygon.setFilled(area.name, True)
def add_lanes_to_areas(areas: List[Area]):
lanes = get_all_lanes()
for area in areas:
for lane in lanes:
if area.rectangle.intersects(lane.polygon):
area.add_lane(lane)
def main():
grid = list()
try:
traci.start(config.sumo_cmd)
grid = init_grid(traci.simulation.getNetBoundary(), config.CELLS_NUMBER)
add_lanes_to_areas(grid)
actions.adjust_traffic_light_phase_duration()
step = 0
while step < config.n_steps : #traci.simulation.getMinExpectedNumber() > 0:
traci.simulationStep()
vehicles = get_all_vehicles()
get_emissions(grid, vehicles)
if config.routing_mode:
actions.adjust_edges_weights()
# actions.rerouteAllVehicles()
step += 1
progress = round(step/config.n_steps*100,2)
sys.stdout.write(f'Progress : {progress}%'+'\r')
sys.stdout.flush()
finally:
traci.close(False)
total_emissions = 0
for area in grid:
total_emissions += area.emissions
#Total of emissions of all pollutants in mg for 200 steps of simulation without locking areas
total_emissions200 = 43970763.15084749
print("\n**** RESULTS ****")
print(f'Total emissions = {total_emissions} mg')
diff_with_lock = (total_emissions200 - total_emissions)/total_emissions200
print(f'Reduction percentage of emissions = {diff_with_lock*100} %')
print("With the configuration :\n" + str(config.showConfig()))
if __name__ == '__main__':
main()
from typing import List
import traci
from shapely.geometry import LineString
import actions
import config
import sys
from model import Area, Vehicle, Lane , TrafficLight
from traci import trafficlight
def init_grid(simulation_bounds, cells_number):
grid = list()
width = simulation_bounds[1][0] / cells_number
height = simulation_bounds[1][1] / cells_number
for i in range(cells_number):
for j in range(cells_number):
# bounds coordinates for the area : (xmin, ymin, xmax, ymax)
ar_bounds = ((i * width, j * height), (i * width, (j + 1) * height),
((i + 1) * width, (j + 1) * height), ((i + 1) * width, j * height))
area = Area(ar_bounds)
area.name = 'area ({},{})'.format(i, j)
grid.append(area)
traci.polygon.add(area.name, ar_bounds, (0, 255, 0))
return grid
def compute_vehicle_emissions(veh_id):
return (traci.vehicle.getCOEmission(veh_id)
+ traci.vehicle.getNOxEmission(veh_id)
+ traci.vehicle.getHCEmission(veh_id)
+ traci.vehicle.getPMxEmission(veh_id)
+ traci.vehicle.getCO2Emission(veh_id))
def get_all_vehicles() -> List[Vehicle]:
vehicles = list()
for veh_id in traci.vehicle.getIDList():
veh_pos = traci.vehicle.getPosition(veh_id)
vehicle = Vehicle(veh_id, veh_pos)
vehicle.emissions = compute_vehicle_emissions(veh_id)
vehicles.append(vehicle)
return vehicles
def get_all_lanes() -> List[Lane]:
lanes = []
for lane_id in traci.lane.getIDList():
polygon_lane = LineString(traci.lane.getShape(lane_id))
lanes.append(Lane(lane_id, polygon_lane))
return lanes
def get_emissions(grid: List[Area], vehicles: List[Vehicle]):
for area in grid:
for vehicle in vehicles:
if vehicle.pos in area:
area.emissions += vehicle.emissions
if config.lock_mode and area.emissions > config.EMISSIONS_THRESHOLD and not area.locked:
actions.limit_speed_into_area(area, vehicles,30)
actions.adjust_traffic_light_phase_duration(area, 0.5)
traci.polygon.setColor(area.name, (255, 0, 0))
traci.polygon.setFilled(area.name, True)
def add_data_to_areas(areas: List[Area]):
lanes = get_all_lanes()
for area in areas:
for lane in lanes:
if area.rectangle.intersects(lane.polygon):
area.add_lane(lane)
for tl_id in traci.trafficlight.getIDList():
if lane.lane_id in traci.trafficlight.getControlledLanes(tl_id):
area.add_tl(TrafficLight(tl_id))
def main():
grid = list()
try:
traci.start(config.sumo_cmd)
grid = init_grid(traci.simulation.getNetBoundary(), config.CELLS_NUMBER)
add_data_to_areas(grid)
step = 0
while step < config.n_steps : #traci.simulation.getMinExpectedNumber() > 0:
traci.simulationStep()
vehicles = get_all_vehicles()
get_emissions(grid, vehicles)
if config.routing_mode:
actions.adjust_edges_weights()
# actions.rerouteAllVehicles()
step += 1
progress = round(step/config.n_steps*100,2)
sys.stdout.write(f'Progress : {progress}%'+'\r')
sys.stdout.flush()
finally:
traci.close(False)
total_emissions = 0
for area in grid:
total_emissions += area.emissions
#Total of emissions of all pollutants in mg for 200 steps of simulation without locking areas
total_emissions200 = 43970763.15084749
print("\n**** RESULTS ****")
print(f'Total emissions = {total_emissions} mg')
diff_with_lock = (total_emissions200 - total_emissions)/total_emissions200
print(f'Reduction percentage of emissions = {diff_with_lock*100} %')
print("With the configuration :\n" + str(config.showConfig()))
if __name__ == '__main__':
main()

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@ -1,64 +1,77 @@
from typing import Tuple, Set
from shapely.geometry import Point, LineString
from shapely.geometry import Polygon
from shapely.geometry.base import BaseGeometry
class Lane:
def __init__(self, lane_id: str, polygon: LineString):
self.polygon = polygon
self.lane_id = lane_id
def __hash__(self):
"""Overrides the default implementation"""
return hash(self.lane_id)
class Area:
def __init__(self, coords, name=''):
self.locked = False
self.rectangle = Polygon(coords)
self.name = name
self.emissions = 0.0
self._lanes: Set[Lane] = set()
def __eq__(self, other):
return self.rectangle.__eq__(other)
def __contains__(self, item):
return self.rectangle.contains(item)
@property
def bounds(self):
return self.rectangle.bounds
def intersects(self, other: BaseGeometry) -> bool:
return self.rectangle.intersects(other)
def add_lane(self, lane: Lane):
self._lanes.add(lane)
def remove_lane(self, lane: Lane):
self._lanes.remove(lane)
@classmethod
def from_bounds(cls, xmin, ymin, xmax, ymax):
return cls((
(xmin, ymin),
(xmin, ymax),
(xmax, ymax),
(xmax, ymin)))
class Vehicle:
def __init__(self, veh_id: int, pos: Tuple[float, float]):
self.emissions: float = 0.0
self.veh_id = veh_id
self.pos = Point(pos)
def __repr__(self) -> str:
return str(self.__dict__)
from typing import Tuple, Set
from shapely.geometry import Point, LineString
from shapely.geometry import Polygon
from shapely.geometry.base import BaseGeometry
class Lane:
def __init__(self, lane_id: str, polygon: LineString):
self.polygon = polygon
self.lane_id = lane_id
def __hash__(self):
"""Overrides the default implementation"""
return hash(self.lane_id)
class TrafficLight:
def __init__(self, tl_id: str):
self.tl_id = tl_id
def __hash__(self):
"""Overrides the default implementation"""
return hash(self.tl_id)
class Area:
def __init__(self, coords, name=''):
self.locked = False
self.rectangle = Polygon(coords)
self.name = name
self.emissions = 0.0
self._lanes: Set[Lane] = set()
self._tls: Set[TrafficLight] = set()
def __eq__(self, other):
return self.rectangle.__eq__(other)
def __contains__(self, item):
return self.rectangle.contains(item)
@property
def bounds(self):
return self.rectangle.bounds
def intersects(self, other: BaseGeometry) -> bool:
return self.rectangle.intersects(other)
def add_lane(self, lane: Lane):
self._lanes.add(lane)
def add_tl(self, tl: TrafficLight):
self._tls.add(tl)
def remove_lane(self, lane: Lane):
self._lanes.remove(lane)
@classmethod
def from_bounds(cls, xmin, ymin, xmax, ymax):
return cls((
(xmin, ymin),
(xmin, ymax),
(xmax, ymax),
(xmax, ymin)))
class Vehicle:
def __init__(self, veh_id: int, pos: Tuple[float, float]):
self.emissions: float = 0.0
self.veh_id = veh_id
self.pos = Point(pos)
def __repr__(self) -> str:
return str(self.__dict__)