Re: [sumo-user] Beginner for SUMO

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

When a vehicle changes lanes it is only registered on the new lane in that time step. To register lane changes using  lanearea detectors you need to monitor multiple steps.

2018-07-31 15:18 GMT+02:00 Ei Ei Mon <eieimonimceits@xxxxxxxxx>:

Thank you for your reply. 

In my case, when I check simulation gui I saw some vehicles change their lanes. But for that case, when I use traci.lanearea.getLastStepVehicleIDs(), I got no duplicate vehicle ids from all lanes. 

How should I check? 

Thank you. 

On Tue, 31 Jul 2561 at 17:21 Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:

1) use sumo option  --step-length SECONDS

2) what kind of duplication are you interested in? Please explain with an example.

2018-07-31 11:30 GMT+02:00 Ei Ei Mon <eieimonimceits@xxxxxxxxx>:

Thank you, dear.  

Now, I would like to know how to change the simulation time step in SUMO. 

In my case, I set up lane area (e2) and MeMe (e3) detectors in the same area. For that case, I set up lane area detectors on all  lanes to cover for all lanes. In this case, I would like to check the duplicate vehicle ids from tracking the lane area detectors. Could you give any suggestions? 

Thank you in advance. 

with best regards,    

On Fri, Jul 27, 2018 at 7:11 PM, Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:

Hello,

SUMO automatically tracks accidents. See http://sumo.dlr.de/wiki/Simulation/Safety#Collisions

In the latest development verion of SUMO (http://sumo.dlr.de/wiki/Downloads#SUMO_-_Latest_Development_Version) You can retrieve accident information by calling traci.simulation.getCollidingVehiclesIDList (http://sumo.dlr.de/wiki/ChangeLog#Enhancements).

regards,

Jakob

2018-07-23 14:15 GMT+02:00 Ei Ei Mon <eieimonimceits@xxxxxxxxx>:

Dear, 

I would like to get some suggestions. In my case, I would like to detect the car accident case on the lane by using lane area detectors. Which methods are the most suitable for that by using traci? Could you give me some suggestions. 

Thank you in advance. 

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