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85 lines
2.9 KiB
Python
85 lines
2.9 KiB
Python
"""
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Created on 17 oct. 2018
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@author: Axel Huynh-Phuc, Thibaud Gasser
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"""
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import traci
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from traci._trafficlight import Logic
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from typing import Iterable
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from shapely.geometry.linestring import LineString
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from model import Area, Vehicle
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def compute_edge_weight(edge_id):
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co2 = traci.edge.getCO2Emission(edge_id)
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co = traci.edge.getCOEmission(edge_id)
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nox = traci.edge.getNOxEmission(edge_id)
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hc = traci.edge.getHCEmission(edge_id)
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pmx = traci.edge.getPMxEmission(edge_id)
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return (co2 + co + nox + hc + pmx)
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def adjust_edges_weights(area):
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area.weight_adjusted = True
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for lane in area._lanes:
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edge_id = traci.lane.getEdgeID(lane.lane_id)
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weight = compute_edge_weight(edge_id) # by default edges weight = length/mean speed
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traci.edge.setEffort(edge_id, weight)
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for veh_id in traci.vehicle.getIDList():
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traci.vehicle.rerouteEffort(veh_id)
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def limit_speed_into_area(area: Area, vehicles: Iterable[Vehicle], speed_rf):
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area.limited_speed = True
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for lane in area._lanes:
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traci.lane.setMaxSpeed(lane.lane_id, speed_rf * lane.initial_max_speed)
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def modifyLogic(logic, rf): #rf for "reduction factor"
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new_phases = []
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for phase in logic._phases:
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new_phase = traci.trafficlight.Phase(phase.duration*rf,phase.minDuration*rf,phase.maxDuration*rf,phase.phaseDef)
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new_phases.append(new_phase)
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return traci.trafficlight.Logic("new-program", 0 , 0 , 0 , new_phases)
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def adjust_traffic_light_phase_duration(area, reduction_factor):
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area.tls_adjusted = True
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for tl in area._tls:
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for logic in tl._logics:
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traci.trafficlights.setCompleteRedYellowGreenDefinition(tl.tl_id, modifyLogic(logic,reduction_factor))
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def count_vehicles_in_area(area):
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vehicles_in_area = 0
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for lane in area._lanes:
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vehicles_in_area += traci.lane.getLastStepVehicleNumber(lane.lane_id)
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return vehicles_in_area
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def lock_area(area):
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area.locked = True
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for lane in area._lanes:
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traci.lane.setDisallowed(lane.lane_id, 'passenger')
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def reverse_actions(area):
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#Reset max speed to original
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if area.limited_speed:
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area.limited_speed = False
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for lane in area._lanes:
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traci.lane.setMaxSpeed(lane.lane_id, lane.initial_max_speed)
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#Reset traffic lights initial duration
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if area.tls_adjusted:
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area.tls_adjusted = False
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for tl in area._tls:
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for initial_logic in tl._logics:
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traci.trafficlights.setCompleteRedYellowGreenDefinition(tl.tl_id, initial_logic._logic)
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#Unlock the area
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if area.locked:
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area.locked = False
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for lane in area._lanes:
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traci.lane.setAllowed(lane.lane_id, '') #empty means all classes are allowed
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