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Re: [sumo-user] Direction of all vehicle
Okay. Thanks

On Tue, Feb 28, 2023 at 5:25 PM Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:
look at the error message from your traci script rather than the error in sumo-gui (which just tries to tell you that the traci script had a problem).

Am Di., 28. Feb. 2023 um 12:44 Uhr schrieb Sona S <ms.sona.12@xxxxxxxxx>:

Hi Jacob,
I tried this and I am getting this error message.


image.png

My python code is this:
import os
import sys
import traci
import optparse

# we need to import some python modules from the $SUMO_HOME/tools directory
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'")

from sumolib import checkBinary  # Checks for the binary in environ vars

#sumoBinary = "C:/Program Files (x86)/Eclipse/Sumo/bin/sumo-gui.exe"
#sumoCmd = [sumoBinary, "-c", "crossroad.sumocfg","--start"]


# with open("traffic.rou.xml", "wb") as f:


def get_options():
    opt_parser = optparse.OptionParser()
    opt_parser.add_option("--nogui", action="store_true",
                          default=False, help="run the commandline version of sumo")
    options, args = opt_parser.parse_args()
    return options


# contains TraCI control loop
def run():
    step = 0
    count = 0

    while traci.simulation.getMinExpectedNumber() > 0 and step < 200:
        traci.simulationStep()
        print('Step: ', step)
        step += 1
        vehID = traci.vehicle.getIDList()

        print(traci.vehicle.getIDList())
        count = count + vehID

        print(traci.vehicle.getLaneID(vehID))
        edges = traci.vehicle.getRoute(vehID)

        index = traci.vehicle.getRouteIndex(vehID)
        nextEdge = edges[index + 1]
        laneID = traci.vehicle.getLane(vehID)
        links = traci.lane.getLinks(laneID)
        print(vehID)
    print(count)
    traci.close()
    sys.stdout.flush()


# main entry point
if __name__ == "__main__":
    options = get_options()

    # check binary
    if options.nogui:
        sumoBinary = checkBinary('sumo')
    else:
        sumoBinary = checkBinary('sumo-gui')

    print("TRaCI Starts Sumo")
    # traci starts sumo as a subprocess and then this script connects and runs
    traci.start([sumoBinary, "-c", "crossroad.sumocfg",
                 "--tripinfo-output", "tripinfo.xml"])
    run()

On Tue, Feb 28, 2023 at 9:44 AM Sona S <ms.sona.12@xxxxxxxxx> wrote:
Thank you very much Jacob for the quick response.

Regards,
Sona

On Mon, Feb 27, 2023 at 4:59 PM Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:
edges = traci.vehicle.getRoute(vehID)
index = traci.vehicle.getRouteIndex(vehID)
nextEdge = edges[index + 1]
laneID = traci.vehicle.getLane(vehID)
links = traci.lane.getLinks(laneID)
each object in links has a direction, find the one where laneID.startswith(nextEdge) is True


Am Mo., 27. Feb. 2023 um 11:19 Uhr schrieb Sona S <ms.sona.12@xxxxxxxxx>:
Hi,
How to get the direction of the vehicle in SUMO? For example,at the intersection there are four directions in total and vehicles can travel in three directions. So how to get the direction which vehicle is going straight, right and left?

Thanks in advance.

Regards,
Sona
 
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