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mirror of https://github.com/Ahp06/SUMO_Emissions.git synced 2024-11-22 03:26:30 +00:00
sumo-emissions/sumo_project/emissions.py
2018-12-19 11:02:19 +01:00

246 lines
9.4 KiB
Python

import argparse
import csv
import datetime
import itertools
import os
import sys
import time
from typing import List
import traci
from parse import search
from shapely.geometry import LineString
import actions
from config import Config
from model import Area, Vehicle, Lane, TrafficLight, Phase, Logic, Emission
# Absolute path of the directory the script is in
SCRIPTDIR = os.path.dirname(__file__)
def init_grid(simulation_bounds, areas_number, window_size):
grid = list()
width = simulation_bounds[1][0] / areas_number
height = simulation_bounds[1][1] / areas_number
for i in range(areas_number):
for j in range(areas_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))
name = 'Area ({},{})'.format(i, j)
area = Area(ar_bounds, name, window_size)
grid.append(area)
traci.polygon.add(area.name, ar_bounds, (255, 0, 0))
return grid
def get_all_lanes() -> List[Lane]:
lanes = []
for lane_id in traci.lane.getIDList():
polygon_lane = LineString(traci.lane.getShape(lane_id))
initial_max_speed = traci.lane.getMaxSpeed(lane_id)
lanes.append(Lane(lane_id, polygon_lane, initial_max_speed))
return lanes
def parse_phase(phase_repr):
duration = search('duration: {:f}', phase_repr)
min_duration = search('minDuration: {:f}', phase_repr)
max_duration = search('maxDuration: {:f}', phase_repr)
phase_def = search('phaseDef: {}\n', phase_repr)
if phase_def is None:
phase_def = ''
else:
phase_def = phase_def[0]
return Phase(duration[0], min_duration[0], max_duration[0], phase_def)
def add_data_to_areas(areas: List[Area]):
lanes = get_all_lanes()
for area in areas:
for lane in lanes: # add lanes
if area.rectangle.intersects(lane.polygon):
area.add_lane(lane)
for tl_id in traci.trafficlight.getIDList(): # add traffic lights
if lane.lane_id in traci.trafficlight.getControlledLanes(tl_id):
logics = []
for l in traci.trafficlight.getCompleteRedYellowGreenDefinition(tl_id): # add logics
phases = []
for phase in traci.trafficlight.Logic.getPhases(l): # add phases to logics
phases.append(parse_phase(phase.__repr__()))
logics.append(Logic(l, phases))
area.add_tl(TrafficLight(tl_id, logics))
def compute_vehicle_emissions(veh_id):
co2 = traci.vehicle.getCO2Emission(veh_id)
co = traci.vehicle.getCOEmission(veh_id)
nox = traci.vehicle.getNOxEmission(veh_id)
hc = traci.vehicle.getHCEmission(veh_id)
pmx = traci.vehicle.getPMxEmission(veh_id)
return Emission(co2, co, nox, hc, pmx)
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_emissions(grid: List[Area], vehicles: List[Vehicle], current_step, config, logger):
for area in grid:
total_emissions = Emission()
for vehicle in vehicles:
if vehicle.pos in area:
total_emissions += vehicle.emissions
area.emissions_by_step.append(total_emissions)
if area.sum_emissions_into_window(current_step, config.window_size) >= config.emissions_threshold:
if config.limit_speed_mode and not area.limited_speed:
logger.info(f'Action - Decreased max speed into {area.name} by {config.speed_rf * 100}%')
actions.limit_speed_into_area(area, vehicles, config.speed_rf)
if config.adjust_traffic_light_mode and not area.tls_adjusted:
logger.info(
f'Action - Decreased traffic lights duration by {config.trafficLights_duration_rf * 100}%')
actions.adjust_traffic_light_phase_duration(area, config.trafficLights_duration_rf)
if config.lock_area_mode and not area.locked:
if actions.count_vehicles_in_area(area):
logger.info(f'Action - {area.name} blocked')
actions.lock_area(area)
if config.weight_routing_mode and not area.weight_adjusted:
actions.adjust_edges_weights(area)
traci.polygon.setFilled(area.name, True)
else:
actions.reverse_actions(area)
traci.polygon.setFilled(area.name, False)
def get_reduction_percentage(ref, total):
return (ref - total) / ref * 100
def export_data_to_csv(config, grid):
csv_dir = os.path.join(SCRIPTDIR, 'csv')
if not os.path.exists(csv_dir):
os.mkdir(csv_dir)
now = datetime.datetime.utcnow().isoformat()
with open(os.path.join(csv_dir, f'{now}.csv'), 'w') as f:
writer = csv.writer(f)
# Write CSV headers
writer.writerow(itertools.chain(('Step',), (a.name for a in grid)))
# Write all areas emission value for each step
for step in range(config.n_steps):
em_for_step = (f'{a.emissions_by_step[step].value():.3f}' for a in grid)
writer.writerow(itertools.chain((step,), em_for_step))
def run(config, logger):
grid = list()
try:
traci.start(config.sumo_cmd)
logger.info(f'Loaded simulation file : {config._SUMOCFG}')
logger.info('Loading data for the simulation')
start = time.perf_counter()
grid = init_grid(traci.simulation.getNetBoundary(), config.areas_number, config.window_size)
add_data_to_areas(grid)
loading_time = round(time.perf_counter() - start, 2)
logger.info(f'Data loaded ({loading_time}s)')
logger.info('Simulation started...')
step = 0
while step < config.n_steps: # traci.simulation.getMinExpectedNumber() > 0:
traci.simulationStep()
vehicles = get_all_vehicles()
get_emissions(grid, vehicles, step, config, logger)
step += 1
print(f'step = {step}/{config.n_steps}', end='\r')
finally:
traci.close(False)
export_data_to_csv(config, grid)
simulation_time = round(time.perf_counter() - start, 2)
logger.info(f'End of the simulation ({simulation_time}s)')
logger.info(f'Real-time factor : {config.n_steps / simulation_time}')
total_emissions = Emission()
for area in grid:
total_emissions += area.sum_all_emissions()
logger.info(f'Total emissions = {total_emissions.value()} mg')
if not config.without_actions_mode:
ref = config.get_ref_emissions()
if not (ref is None):
global_diff = (ref.value() - total_emissions.value()) / ref.value()
logger.info(f'Global reduction percentage of emissions = {global_diff * 100} %')
logger.info(f'-> CO2 emissions = {get_reduction_percentage(ref.co2, total_emissions.co2)} %')
logger.info(f'-> CO emissions = {get_reduction_percentage(ref.co, total_emissions.co)} %')
logger.info(f'-> Nox emissions = {get_reduction_percentage(ref.nox, total_emissions.nox)} %')
logger.info(f'-> HC emissions = {get_reduction_percentage(ref.hc, total_emissions.hc)} %')
logger.info(f'-> PMx emissions = {get_reduction_percentage(ref.pmx, total_emissions.pmx)} %')
def add_options(parser):
parser.add_argument("-f", "--configfile", type=str, default='configs/default_config.json', required=False,
help='Choose your configuration file from your working directory')
parser.add_argument("-save", "--save", action="store_true",
help='Save the logs into the logs folder')
parser.add_argument("-steps", "--steps", type=int, default=200, required=False,
help='Choose the simulated time (in seconds)')
parser.add_argument("-ref", "--ref", action="store_true",
help='Launch a reference simulation (without acting on areas)')
parser.add_argument("-gui", "--gui", action="store_true",
help="Set GUI mode")
def main(args):
parser = argparse.ArgumentParser(description="")
add_options(parser)
args = parser.parse_args(args)
config = Config()
config.import_config_file(args.configfile)
config.init_traci()
logger = config.init_logger(save_logs=args.save)
if args.ref:
config.without_actions_mode = True
logger.info(f'Reference simulation')
if args.steps:
config.n_steps = args.steps
if args.gui:
config._SUMOCMD = "sumo-gui"
config.check_config()
logger.info(f'Loaded configuration file : {args.configfile}')
logger.info(f'Simulated time : {args.steps}s')
run(config, logger)
if __name__ == '__main__':
main(sys.argv[1:])