Hi Jakob,

The Length-Geometry-mismatch seems to be the reason. Thanks very much for
your information!

Best,

Jakob Erdmann <[email protected]> 于2022年11月4日周五 00:31写道:

> The most likely causes is that this is purely visual:
>
> https://sumo.dlr.de/docs/Simulation/Distances.html#vehicle_lengths_in_sumo-gui
> Feel free to provide a minimal scenario example (
> https://sumo.dlr.de/docs/FAQ.html#how_do_i_report_erroneous_behavior_of_a_sumo_application
> )
>
> Am Fr., 4. Nov. 2022 um 02:12 Uhr schrieb Chen Di <[email protected]>:
>
>> Hi,
>>
>> I am running simulations in a ring road with all vehicles being rerouted.
>> In my setting, vehicles with different types travel at different speed.
>>
>> When I observe the simulation, I noticed that sometimes two vehicles
>> overlap. The faster vehicle just directly "cover" and pass the slow vehicle
>> as if it does not exist.
>>
>> One of the possible reasons that I thought about is that vehicles
>> traveling at different laps may fail to recognize its leader. For instance,
>> at a same position in the ring, vehicle 1 may be traveling at its 1st loop,
>> while vehicle 2 at the 2nd. When they encounter, the leader vehicle is not
>> recognized because they are at different loops.
>>
>> If this is the case, how should I fix it (i.e., to enable vehicles
>> recognize their leaders even if they have traveled for different number of
>> loops)? If not, are there any other reasons that causes this and how should
>> I solve them?
>>
>> Thanks in advance!
>>
>> Best,
>> Cindy
>>
>>
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