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Merge pull request #4 from Ahp06/Axel

Axel
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Axel HUYNH-PHUC 2018-12-07 22:18:10 +01:00 committed by GitHub
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4 changed files with 445 additions and 246 deletions

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"""
Created on 17 oct. 2018
@author: Axel Huynh-Phuc, Thibaud Gasser
"""
from typing import Iterable
import traci
from shapely.geometry.linestring import LineString
from model import Area, Vehicle
def remove_vehicle(veh_id):
traci.vehicle.remove(veh_id, traci.constants.REMOVE_PARKING)
def lanes_in_area(area):
for lane_id in traci.lane.getIDList():
polygon_lane = LineString(traci.lane.getShape(lane_id))
if area.rectangle.intersects(polygon_lane):
yield lane_id
def compute_edge_weight(edge_id):
return (traci.edge.getCOEmission(edge_id)
+ traci.edge.getNOxEmission(edge_id)
+ traci.edge.getHCEmission(edge_id)
+ traci.edge.getPMxEmission(edge_id)
+ traci.edge.getCO2Emission(edge_id))
def adjust_edges_weights():
for edge_id in traci.edge.getIDList():
weight = compute_edge_weight(edge_id) # by default edges weight = length/mean speed
traci.edge.adaptTraveltime(edge_id, weight)
def lock_area(area: Area):
max_speed = 30
print(f'Setting max speed into {area.name} to {max_speed} km/h')
area.locked = True
for lane in area._lanes:
traci.lane.setMaxSpeed(lane.lane_id, max_speed / 3.6)
"""
Created on 17 oct. 2018
@author: Axel Huynh-Phuc, Thibaud Gasser
"""
from typing import Iterable
import traci
from shapely.geometry.linestring import LineString
from model import Area, Vehicle
from traci._trafficlight import Logic
def compute_edge_weight(edge_id):
return (traci.edge.getCOEmission(edge_id)
+ traci.edge.getNOxEmission(edge_id)
+ traci.edge.getHCEmission(edge_id)
+ traci.edge.getPMxEmission(edge_id)
+ traci.edge.getCO2Emission(edge_id))/(traci.edge.getLaneNumber(edge_id))
def adjust_edges_weights():
for edge_id in traci.edge.getIDList():
weight = compute_edge_weight(edge_id) # by default edges weight = length/mean speed
traci.edge.setEffort(edge_id, weight)
for veh_id in traci.vehicle.getIDList():
traci.vehicle.rerouteEffort(veh_id)
def limit_speed_into_area(area: Area, vehicles: Iterable[Vehicle], speed_rf):
area.limited_speed = True
for lane in area._lanes:
traci.lane.setMaxSpeed(lane.lane_id, speed_rf * lane.initial_max_speed)
def modifyLogic(logic, rf): #rf for "reduction factor"
new_phases = []
for phase in logic._phases:
new_phase = traci.trafficlight.Phase(phase.duration*rf,phase.minDuration*rf,phase.maxDuration*rf,phase.phaseDef)
new_phases.append(new_phase)
return traci.trafficlight.Logic("new-program", 0 , 0 , 0 , new_phases)
def adjust_traffic_light_phase_duration(area, reduction_factor):
area.tls_adjusted = True
for tl in area._tls:
for logic in tl._logics:
traci.trafficlights.setCompleteRedYellowGreenDefinition(tl.tl_id, modifyLogic(logic,reduction_factor))
def count_vehicles_in_area(area):
vehicles_in_area = 0
for lane in area._lanes:
vehicles_in_area += traci.lane.getLastStepVehicleNumber(lane.lane_id)
return vehicles_in_area
def lock_area(area):
area.locked = True
for lane in area._lanes:
traci.lane.setDisallowed(lane.lane_id, 'passenger')
def reverse_actions(area):
#Reset max speed to original
if not area.limited_speed:
area.limited_speed = False
for lane in area.lanes:
traci.lane.setMaxSpeed(lane.lane_id, lane.initial_max_speed / 3.6)
#Reset traffic lights initial duration
if not area.tls_adjusted:
area.tls_adjusted = False
for initial_logic in tl._logics:
traci.trafficlights.setCompleteRedYellowGreenDefinition(tl.tl_id, initial_logic)
#Unlock the area
if not area.locked:
area.locked = False
for lane in area._lanes:
traci.lane.setAllowed(lane.lane_id, '') #empty means all classes are allowed

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"""
Global configuration for the simulation
"""
import os
import sys
if 'SUMO_HOME' in os.environ:
tools = os.path.join(os.environ['SUMO_HOME'], 'tools')
sys.path.append(tools)
else:
sys.exit("please declare environment variable 'SUMO_HOME'")
_SUMOCMD = 'sumo' # use 'sumo-gui' cmd for UI
_SUMOCFG = "mulhouse_simulation/osm.sumocfg"
CELLS_NUMBER = 10
EMISSIONS_THRESHOLD = 500000
n_steps = 200
lock_mode = True
routing_mode = False
sumo_binary = os.path.join(os.environ['SUMO_HOME'], 'bin', _SUMOCMD)
sumo_cmd = [sumo_binary, "-c", _SUMOCFG]
"""
Global configuration for the simulation
"""
import os
import sys
import datetime
import logging
###############################################################################
############################# SIMULATION FILE #################################
###############################################################################
if 'SUMO_HOME' in os.environ:
tools = os.path.join(os.environ['SUMO_HOME'], 'tools')
sys.path.append(tools)
else:
sys.exit("please declare environment variable 'SUMO_HOME'")
_SUMOCMD = 'sumo' # use 'sumo-gui' cmd for UI
_SUMOCFG = "mulhouse_simulation/osm.sumocfg"
sumo_binary = os.path.join(os.environ['SUMO_HOME'], 'bin', _SUMOCMD)
sumo_cmd = [sumo_binary, "-c", _SUMOCFG]
###############################################################################
################################## LOGS #######################################
###############################################################################
now = datetime.datetime.now()
current_date = now.strftime("%Y_%m_%d_%H_%M_%S")
LOG_FILENAME = f'sumo_logs_{current_date}.log'
# create logger
logger = logging.getLogger("sumo_logger")
logger.setLevel(logging.INFO)
# create console handler and set level to info
handler = logging.FileHandler(LOG_FILENAME)
# create formatter
formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
# add formatter to handler
handler.setFormatter(formatter)
# add handler to logger
logger.addHandler(handler)
###############################################################################
########################## SIMULATION CONFIGURATION ###########################
###############################################################################
CELLS_NUMBER = 10
EMISSIONS_THRESHOLD = 500000
n_steps = 200
###############################################################################
########################## ACTIONS CONFIGURATION ##############################
###############################################################################
#Set this mode to True if you want running a basic simulation without actions
without_actions_mode = False
#Limit the speed into areas when the threshold is exceeded
speed_rf = 0.1
limit_speed_mode = True
#Decrease all traffic lights duration into the area when the threshold is exceeded
trafficLights_duration_rf = 0.2
adjust_traffic_light_mode = True
#Vehicles are routed according to the less polluted route (HEAVY)
weight_routing_mode = False
#Lock the area when the threshold is exceeded (NOT FIXED)
lock_area_mode = False
#Weight routing mode cannot be combinated with other actions
if weight_routing_mode:
limit_speed_mode = False
adjust_traffic_light_mode = False
#If without_actions_mode is choosen
if without_actions_mode:
limit_speed_mode = False
adjust_traffic_light_mode = False
weight_routing_mode = False
lock_area_mode = False
###############################################################################
########################## SIMULATION REFERENCES ##############################
###############################################################################
# Total of emissions of all pollutants in mg for n steps of simulation without locking areas
total_emissions200 = 43970763.15084749
total_emissions300 = 87382632.08217141
total_emissions400 = 140757491.8489904
total_emissions500 = 202817535.43856794
###############################################################################
########################## CONFIGURATION METHODS ##############################
###############################################################################
def get_basics_emissions():
if n_steps == 200:
return total_emissions200
if n_steps == 300:
return total_emissions300
if n_steps == 400:
return total_emissions400
if n_steps == 500:
return total_emissions500
def show_config():
return (str(f'Grid : {CELLS_NUMBER}x{CELLS_NUMBER}\n')
+ str(f'step number = {n_steps}\n')
+ str(f'weight routing mode = {weight_routing_mode}\n')
+ str(f'lock area mode = {lock_area_mode}\n')
+ str(f'limit speed mode = {limit_speed_mode}, RF = {speed_rf*100}%\n')
+ str(f'adjust traffic light mode = {adjust_traffic_light_mode} , RF = {trafficLights_duration_rf*100}%\n'))

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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)
traci.vehicle.setRoutingMode(veh_id, traci.constants.ROUTING_MODE_AGGREGATED)
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.lock_area(area)
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)
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
sys.stdout.write(f'Simulation step = {step}/{config.n_steps}' + '\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(f'\n**** Total emissions = {total_emissions} mg ****')
diff_with_lock = (total_emissions200 - total_emissions) / total_emissions200
print(f'**** Reduction percentage of emissions = {diff_with_lock*100} % ****\n')
if __name__ == '__main__':
main()
from typing import List
import traci
import time
from shapely.geometry import LineString
from parse import search
import actions
import config
import sys
from model import Area, Vehicle, Lane , TrafficLight , Phase , Logic
from traci import trafficlight
logger = config.logger
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 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)
minDuration = search('minDuration: {:f}', phase_repr)
maxDuration = search('maxDuration: {:f}', phase_repr)
phaseDef = search('phaseDef: {}\n', phase_repr)
if phaseDef is None: phaseDef = ''
else : phaseDef = phaseDef[0]
return Phase(duration[0], minDuration[0], maxDuration[0], phaseDef)
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):
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_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 area.emissions > 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)
traci.polygon.setColor(area.name, (255, 0, 0))
traci.polygon.setFilled(area.name, True)
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)
def main():
grid = list()
try:
traci.start(config.sumo_cmd)
logger.info('Loading data for the simulation')
start = time.perf_counter()
grid = init_grid(traci.simulation.getNetBoundary(), config.CELLS_NUMBER)
add_data_to_areas(grid)
loading_time = round(time.perf_counter() - start,2)
logger.info(f'Data loaded ({loading_time}s)')
logger.info('Start of the simulation')
step = 0
while step < config.n_steps : #traci.simulation.getMinExpectedNumber() > 0:
traci.simulationStep()
vehicles = get_all_vehicles()
get_emissions(grid, vehicles)
if config.weight_routing_mode:
logger.info('Action - Lane weights adjusted')
actions.adjust_edges_weights()
step += 1
finally:
traci.close(False)
simulation_time = round(time.perf_counter() - start,2)
logger.info(f'End of the simulation ({simulation_time}s)')
total_emissions = 0
for area in grid:
total_emissions += area.emissions
logger.info(f'Total emissions = {total_emissions} mg')
if not config.without_actions_mode:
ref = config.get_basics_emissions()
diff_with_actions = (ref - total_emissions)/ref
logger.info(f'Reduction percentage of emissions = {diff_with_actions*100} %')
logger.info('With the configuration : \n' + str(config.show_config()))
logger.info('Logs END')
if __name__ == '__main__':
main()

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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
from traci._trafficlight import Logic as SUMO_Logic
class Lane:
def __init__(self, lane_id: str, polygon: LineString, initial_max_speed: float):
self.polygon = polygon
self.lane_id = lane_id
self.initial_max_speed = initial_max_speed
def __hash__(self):
"""Overrides the default implementation"""
return hash(self.lane_id)
class Phase:
def __init__(self, duration: float, minDuration: float, maxDuration : float, phaseDef: str):
self.duration = duration
self.minDuration = minDuration
self.maxDuration = maxDuration
self.phaseDef = phaseDef
def __repr__(self) -> str:
repr = f'Phase(duration:{self.duration},minDuration:{self.minDuration},maxDuration:{self.maxDuration},phaseDef:{self.phaseDef})'
return str(repr)
class Logic:
def __init__(self, logic: SUMO_Logic, phases: Set[Phase]):
self._logic = logic
self._phases: Set[Phase] = phases
class TrafficLight:
def __init__(self, tl_id: str, logics: Set[Logic]):
self.tl_id = tl_id
self._logics: Set[Logic] = logics
def __hash__(self):
"""Overrides the default implementation"""
return hash(self.tl_id)
class Area:
def __init__(self, coords, name=''):
self.limited_speed = False
self.locked = False
self.tls_adjusted = 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__)