mirror of
https://github.com/Ahp06/SUMO_Emissions.git
synced 2024-11-22 03:26:30 +00:00
191 lines
7.4 KiB
Python
191 lines
7.4 KiB
Python
import argparse
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import sys
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import time
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from traci import trafficlight
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import traci
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from typing import List
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from parse import search
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from shapely.geometry import LineString
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import actions
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from config import Config
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from model import Area, Vehicle, Lane , TrafficLight , Phase , Logic
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def init_grid(simulation_bounds, areas_number):
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grid = list()
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width = simulation_bounds[1][0] / areas_number
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height = simulation_bounds[1][1] / areas_number
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for i in range(areas_number):
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for j in range(areas_number):
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# bounds coordinates for the area : (xmin, ymin, xmax, ymax)
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ar_bounds = ((i * width, j * height), (i * width, (j + 1) * height),
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((i + 1) * width, (j + 1) * height), ((i + 1) * width, j * height))
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area = Area(ar_bounds)
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area.name = 'Area ({},{})'.format(i, j)
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grid.append(area)
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traci.polygon.add(area.name, ar_bounds, (0, 255, 0))
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return grid
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def get_all_lanes() -> List[Lane]:
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lanes = []
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for lane_id in traci.lane.getIDList():
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polygon_lane = LineString(traci.lane.getShape(lane_id))
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initial_max_speed = traci.lane.getMaxSpeed(lane_id)
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lanes.append(Lane(lane_id, polygon_lane, initial_max_speed))
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return lanes
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def parse_phase(phase_repr):
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duration = search('duration: {:f}', phase_repr)
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minDuration = search('minDuration: {:f}', phase_repr)
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maxDuration = search('maxDuration: {:f}', phase_repr)
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phaseDef = search('phaseDef: {}\n', phase_repr)
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if phaseDef is None: phaseDef = ''
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else : phaseDef = phaseDef[0]
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return Phase(duration[0], minDuration[0], maxDuration[0], phaseDef)
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def add_data_to_areas(areas: List[Area]):
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lanes = get_all_lanes()
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for area in areas:
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for lane in lanes: # add lanes
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if area.rectangle.intersects(lane.polygon):
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area.add_lane(lane)
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for tl_id in traci.trafficlight.getIDList(): # add traffic lights
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if lane.lane_id in traci.trafficlight.getControlledLanes(tl_id):
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logics = []
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for l in traci.trafficlight.getCompleteRedYellowGreenDefinition(tl_id): # add logics
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phases = []
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for phase in traci.trafficlight.Logic.getPhases(l): # add phases to logics
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phases.append(parse_phase(phase.__repr__()))
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logics.append(Logic(l, phases))
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area.add_tl(TrafficLight(tl_id, logics))
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def compute_vehicle_emissions(veh_id):
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return (traci.vehicle.getCOEmission(veh_id)
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+traci.vehicle.getNOxEmission(veh_id)
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+traci.vehicle.getHCEmission(veh_id)
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+traci.vehicle.getPMxEmission(veh_id)
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+traci.vehicle.getCO2Emission(veh_id))
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def get_all_vehicles() -> List[Vehicle]:
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vehicles = list()
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for veh_id in traci.vehicle.getIDList():
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veh_pos = traci.vehicle.getPosition(veh_id)
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vehicle = Vehicle(veh_id, veh_pos)
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vehicle.emissions = compute_vehicle_emissions(veh_id)
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vehicles.append(vehicle)
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return vehicles
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def get_emissions(grid: List[Area], vehicles: List[Vehicle], current_step, config, logger):
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for area in grid:
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vehicle_emissions = 0
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for vehicle in vehicles:
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if vehicle.pos in area:
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vehicle_emissions += vehicle.emissions
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area.emissions_by_step.append(vehicle_emissions)
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if area.sum_emissions_into_window(current_step, config.window_size) >= config.emissions_threshold:
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if config.limit_speed_mode and not area.limited_speed:
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logger.info(f'Action - Decreased max speed into {area.name} by {config.speed_rf*100}%')
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actions.limit_speed_into_area(area, vehicles, config.speed_rf)
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if config.adjust_traffic_light_mode and not area.tls_adjusted:
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logger.info(f'Action - Decreased traffic lights duration by {config.trafficLights_duration_rf*100}%')
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actions.adjust_traffic_light_phase_duration(area, config.trafficLights_duration_rf)
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if config.lock_area_mode and not area.locked:
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if actions.count_vehicles_in_area(area):
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logger.info(f'Action - {area.name} blocked')
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actions.lock_area(area)
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traci.polygon.setColor(area.name, (255, 0, 0))
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traci.polygon.setFilled(area.name, True)
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else:
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actions.reverse_actions(area)
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def run(config, logger):
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grid = list()
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try:
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traci.start(config.sumo_cmd)
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logger.info(f'Loaded simulation file : {config._SUMOCFG}')
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logger.info('Loading data for the simulation')
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start = time.perf_counter()
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grid = init_grid(traci.simulation.getNetBoundary(), config.areas_number)
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add_data_to_areas(grid)
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loading_time = round(time.perf_counter() - start, 2)
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logger.info(f'Data loaded ({loading_time}s)')
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logger.info('Start of the simulation')
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step = 0
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while step < config.n_steps : # traci.simulation.getMinExpectedNumber() > 0:
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traci.simulationStep()
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vehicles = get_all_vehicles()
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get_emissions(grid, vehicles, step, config, logger)
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if config.weight_routing_mode:
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actions.adjust_edges_weights()
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step += 1
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finally:
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traci.close(False)
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simulation_time = round(time.perf_counter() - start, 2)
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logger.info(f'End of the simulation ({simulation_time}s)')
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total_emissions = 0
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for area in grid:
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total_emissions += area.sum_all_emissions()
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logger.info(f'Total emissions = {total_emissions} mg')
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if not config.without_actions_mode :
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ref = config.get_basics_emissions()
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if not (ref is None):
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diff_with_actions = (ref - total_emissions) / ref
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logger.info(f'Reduction percentage of emissions = {diff_with_actions*100} %')
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def main(args):
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parser = argparse.ArgumentParser(description="")
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parser.add_argument("-f", "--configfile", type=str, default='configs/default_config.json', required=False)
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parser.add_argument("-save", "--save", action="store_true")
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parser.add_argument("-ref", "--ref", action="store_true")
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args = parser.parse_args(args)
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# > py ./emissions.py -f configs/config1.json -save
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# will load the configuration file "config1.json" and save logs into the logs directory
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# > py ./emissions.py -f configs/config1.json -save -ref & py ./emissions.py -f configs/config1.json -save
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# same as above but also launches a reference simulation by using -ref option
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config = Config()
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config.import_config_file(args.configfile)
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config.init_traci()
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logger = config.init_logger(save_logs=args.save)
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if args.ref:
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config.without_actions_mode = True
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config.check_config()
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logger.info(f'Reference simulation')
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logger.info(f'Loaded configuration file : {args.configfile}')
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run(config, logger)
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if __name__ == '__main__':
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main(sys.argv[1:])
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