It doesn't help, using right-hand drive is giving me that error. Can you
please go through the python code once. Corrected attachment is sent with
this mail.
Regards
On Wed, Aug 1, 2018 at 2:27 AM Jakob Erdmann <[email protected]> wrote:
> The right of way rules are obviously different but apart from that, the
> largest difference is the lane numbering which you already encountered.
>
> 2018-07-31 19:19 GMT+02:00 himanshu soni <[email protected]>:
>
>> Yes, it's left hand drive. Can you tell me what all things change in left
>> hand drive?
>> Thank you
>>
>> On Tue, Jul 31, 2018, 10:28 PM Jakob Erdmann <[email protected]>
>> wrote:
>>
>>> Are you simulating left-hand traffic? In that case the lane numbering
>>> would be reversed.
>>>
>>> 2018-07-31 18:03 GMT+02:00 himanshu soni <[email protected]>:
>>>
>>>> I don't understand why I'm getting the error in using the function
>>>> couldChangeLane(), the error gets resolved when I define the right lane
>>>> with value 1 and left with -1, but the converse is the true version of it.
>>>> Help me understand if this is kind of logical error or something else.
>>>>
>>>>
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>>>>
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>>
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from __future__ import absolute_import
from __future__ import print_function
import os
import sys
import optparse
# we need to import python modules from the $SUMO_HOME/tools directory
try:
sys.path.append(os.path.join(os.path.dirname(
__file__), '..', '..', '..', '..', "tools")) # tutorial in tests
sys.path.append(os.path.join(os.environ.get("SUMO_HOME", os.path.join(
os.path.dirname(__file__), "..", "..", "..")), "tools")) # tutorial in
docs
from sumolib import checkBinary # noqa
except ImportError:
sys.exit(
"please declare environment variable 'SUMO_HOME' as the root directory
of your sumo installation (it should contain folders 'bin', 'tools' and
'docs')")
import sumolib
import traci
net = sumolib.net.readNet("net6.net.xml", withInternal=True)
def run():
step = 0
# time t = 150s, vehicle is added to the traffic.
while step < 150:
traci.simulationStep()
step += 1
# no_of_vehicle = traci.vehicle.getIDCount()
# obj = open("no_of_vehicle.txt", 'a')
# obj.write(str(step) + "," + str(no_of_vehicle) + '\n')
# obj.close()
traci.route.add("trip1", ["gneE4", "gneE20"])
traci.vehicle.add("newVeh1", "trip1", typeID="reroutingType")
# time t = 3000s, the simulation is ended.
while step < 3000:
traci.simulationStep()
step += 1
# no_of_vehicle = traci.vehicle.getIDCount()
# obj1 = open("no_of_vehicle.txt", 'a')
# obj1.write(str(step) + "," + str(no_of_vehicle) + '\n')
# to get instantaneous speed and distance for "newVeh1" vehicle.
if "newVeh1" in traci.vehicle.getIDList():
# speed = traci.vehicle.getSpeed("newVeh1")
# distance = traci.vehicle.getDistance("newVeh1")
# obj2 = open("distanceInfo.txt", 'a')
# obj2.write(str(step) + "," + str(distance) + '\n')
# obj3 = open("speedInfo.txt", 'a')
# obj3.write(str(step) + "," + str(speed) + '\n')
# to check the condition for Lane Change.
leaderVehicle = traci.vehicle.getLeader("newVeh1")
currentLane = traci.vehicle.getLaneIndex("newVeh1")
defaultMinGap = traci.vehicle.getMinGap("newVeh1")
safetyOffset = 10
definedMinGap = defaultMinGap + safetyOffset
if leaderVehicle == None:
pass
else:
leaderVehicleDistance = leaderVehicle[1]
if leaderVehicleDistance <= 100:
if currentLane == 0:
# int = 1 is for the left lane change state
changeLeftLaneState0 =
traci.vehicle.couldChangeLane("newVeh1", 1)
if changeLeftLaneState0 == True:
currentLane = currentLane + 1
traci.vehicle.changeLane("newVeh1", currentLane,
2000)
else:
pass
elif currentLane == 1:
# int = -1 is for the right lane change state
changeRightLaneState1 =
traci.vehicle.couldChangeLane("newVeh1", -1)
# int = 1 is for the left lane change
changeLeftLaneState1 =
traci.vehicle.couldChangeLane("newVeh1", 1)
if changeRightLaneState1 == True:
currentLane = currentLane - 1
traci.vehicle.changeLane("newVeh1", currentLane,
2000)
elif changeLeftLaneState1 == True:
currentLane = currentLane + 1
traci.vehicle.changeLane("newVeh1", currentLane,
2000)
else:
pass
elif currentLane == 2:
# int = 1 is for the left lane change state
changeLeftLaneState2 =
traci.vehicle.couldChangeLane("newVeh1", 1)
# int = -1 is for the right lane change state
changeRightLaneState2 =
traci.vehicle.couldChangeLane("newVeh1", -1)
if changeLeftLaneState2 == True:
currentLane = currentLane + 1
traci.vehicle.changeLane("newVeh1", currentLane,
2000)
elif changeRightLaneState2 == True:
currentLane = currentLane - 1
traci.vehicle.changeLane("newVeh1", currentLane,
2000)
else:
pass
elif currentLane == 3:
# int = 1 is for the left lane change state
changeLeftLaneState3 =
traci.vehicle.couldChangeLane("newVeh1", 1)
# int = -1 is for the right lane change state
changeRightLaneState3 =
traci.vehicle.couldChangeLane("newVeh1", -1)
if changeLeftLaneState3 == True:
currentLane = currentLane + 1
traci.vehicle.changeLane("newVeh1", currentLane,
2000)
elif changeRightLaneState3 == True:
currentLane = currentLane - 1
traci.vehicle.changeLane("newVeh1", currentLane,
2000)
else:
pass
elif currentLane == 4:
# int = 1 is for the left lane change state
changeLeftLaneState4 =
traci.vehicle.couldChangeLane("newVeh1", 1)
# int = -1 is for the right lane change state
changeRightLaneState4 =
traci.vehicle.couldChangeLane("newVeh1", -1)
if changeLeftLaneState4 == True:
currentLane = currentLane + 1
traci.vehicle.changeLane("newVeh1", currentLane,
2000)
elif changeRightLaneState4 == True:
currentLane = currentLane - 1
traci.vehicle.changeLane("newVeh1", currentLane,
2000)
else:
pass
else:
pass
else:
pass
# t = traci.vehicle.couldChangeLane("newVeh1", 0)
# lane = traci.vehicle.getRoadID("newVeh1")
# lane = lane + "_0"
# lane = traci.vehicle.getLanePosition("newVeh1")
# print(str(step) + "," + str(width))
# print(str(step) + "," + str(t))
# obj1.write("\n")
# obj2.write("\n")
# obj3.write("\n")
# obj1.close()
# obj2.close()
# obj3.close()
traci.close()
sys.stdout.flush()
def get_options():
optParser = optparse.OptionParser()
optParser.add_option("--nogui", action="store_true",
default=False, help="run the commandline version of
sumo")
options, args = optParser.parse_args()
return options
if __name__ == "__main__":
options = get_options()
if options.nogui:
sumoBinary = checkBinary('sumo')
else:
sumoBinary = checkBinary('sumo-gui')
# traci.start(
# [sumoBinary, "-c", "config_file5.sumocfg", "--tripinfo-output",
"tripinfo.xml", "--netstate-dump",
# "netstate_dump.xml", "--ignore-route-errors"])
traci.start(
[sumoBinary, "-c", "config_file5.sumocfg", "--tripinfo-output",
"tripinfo.xml", "--ignore-route-errors"])
run()
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