Hello, SUMO community,
I would appreciate any help on my issue.
In my scenario, I want vehicles to stop for several seconds when they enter a
specific edge and then resume driving. For that, I am using TraCI with the
‘setStop’ function and a dictionary to store the ‘hasStopped’ value for
vehicles that have already stopped. But after making a stop, the vehicle does
not resume driving and the simulation runs indefinitely. What could be the
problem here?
Best Regards,
Danil
Here is my code:
class EvaluationVehicle:
"""Data container class for the individual vehicles. Stores all relevant
data for the Evaluation vehicle-related."""
def __init__(self, id, type):
self.id = id
self.type = type
self.hasStopped = False
def run():
start = datetime.now()
print(str(datetime.now()))
# create empty dictionaries to store data
vehicleMap = {}
# begin and end times of the simulation in seconds from 00:00
begin = 0
end = 4000
seed = 1
# set parking entrance edge ID and parking exit edge ID
pEntrEdgeID = "988716348.13"
nextToEntryID = "988716348.13.3"
# start Traci
traci.start(["sumo-gui", "-n", "osm_1.net.xml",
"-r", "osm.bicycle.trips.xml",
"-a", "parking.add.xml",
"--step-length", "0.25",
"--delay", "250",
"--parking.maneuver", "true",
"-b", f"{begin}", "-e", f"{end}", "--seed", f"{seed}"])
while traci.simulation.getMinExpectedNumber() > 0:
traci.simulationStep()
# get the list of vehicles currently in the simulation
vehIdList = traci.vehicle.getIDList()
# loop over each vehicle in the simulation
for vehicle_id in vehIdList:
vehEdgeID = traci.vehicle.getRoadID(vehicle_id)
vehType = traci.vehicle.getTypeID(vehicle_id)
# check if the vehicle ID is not in vehicleMap
if vehicle_id not in vehicleMap:
# if not, create an EvaluationVehicle object for the vehicle
and store it in vehicleMap
vehicleMap[str(vehicle_id)] =
EvaluationVehicle(str(vehicle_id), str(vehType))
# If the vehicle enters the edge and has not stopped before, stop
it for a specific time
if vehEdgeID == pEntrEdgeID and not
vehicleMap[str(vehicle_id)].hasStopped:
stop_time = 2
traci.vehicle.setStop(vehID=vehicle_id, edgeID=nextToEntryID,
pos=1, laneIndex=0, duration=stop_time,
flags=2)
vehicleMap[str(vehicle_id)].hasStopped = True
# close simulation
traci.close()
if __name__ == '__main__':
run()
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