Sorry for sendind this message only to you. Please let me repost it.

Thank you very much for your answer.

One last thing that i want to better understand. I have disabled tha
default lane change of sumo by using strategic mode. I use the command
change lane to force vehicles based on some criteria to change a lane. I
exchange information with neighboring vehicle through beacons. So i have
the neighbor position and velocity at the time it sent the beacon.

To calculate the actual distance between me and a neighbor (at the time of
my decision in changing the lane) i multiply  the velocity of the neighbor
vehicle with (simTime()-time that received the beacon) and add it to the
position i got from the beacon.

Should i add another 0.1 seconds to the time interval where i compute the
actual distance of my neighbor when the command lane change is about to be
executed?

For example vehicle  3.4 changing down to the lane of 2.4 will be decided
in a very small distance gap so the slightest miscalculation in his
position is a problem.

Any advice?

[image: Ενσωματωμένη εικόνα 1]

Many thanks again,
Pavlos


2014-04-07 9:51 GMT+03:00 Jakob Erdmann <[email protected]>:

> Hello,
> that is to be expected given my previous reply.
> Upgrade to the latest svn version if you want to use the fix. Or simply
> subtract 1 from the simulation step shown in the GUI in your head.
> regards,
> Jakob
>
>
> 2014-04-06 8:53 GMT+02:00 Pavlos Basaras <[email protected]>:
>
> What i get with sumo version 20 and veins is:
>>
>>  Warning: Teleporting vehicle 'flow3.1'; collision with 'flow3.4',
>> lane='1to2_2', gap=-0.82, time=132.20 stage=laneChange
>>
>> when i check the position in gui it seems that the vehicle that collides
>> has not completely overtaken the next vehicle but when i am printing their
>> position with traci->getCurrentPosition() they are at distance of 5 or 6
>> meters , i.e the the vehicle has already passed the other vehicle and is
>> ahead 5 meters. Any advise?
>>
>> many thanks,
>> Pavlos
>>
>>
>> 2014-04-01 12:06 GMT+03:00 Jakob Erdmann <[email protected]>:
>>
>> Hello,
>>> sumo-gui shows you the state that corresponds to the previous time step.
>>> This is fixed in the very latest svn revision [16093].
>>> regards,
>>> Jakob
>>>
>>>
>>> 2014-03-30 12:16 GMT+02:00 Pavlos Basaras <[email protected]>:
>>>
>>>>  Hello,
>>>>
>>>> does the sumo gui induce some delay in visualizing the vehicles? I use
>>>> traci->getCurrentPosition() to get a vehicles position and what i see in
>>>> gui in the x-axis is a little smaller than what i get from traci at
>>>> about
>>>> maybe 10m or so.
>>>>
>>>> best,
>>>> Pavlos
>>>>
>>>> ------------------------------------------------------------------------------
>>>> _______________________________________________
>>>> sumo-user mailing list
>>>> [email protected]
>>>> https://lists.sourceforge.net/lists/listinfo/sumo-user
>>>>
>>>
>>>
>>
>

<<inline: sumo.png>>

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