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sumo-emissions/sumo_project/emissions.py
2018-11-23 13:53:20 +01:00

116 lines
3.8 KiB
Python

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()