Skip to main content
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [List Home]
Re: [sumo-user] Issues with parking area, vehicle stopped on the road.
In version 1.1.0 there is a fix for deadlock caused by long vehicles being unable to re-enter traffic after parking in a short parkingArea. Issue #4832
(basically, vehicles that wish to enter to parkingArea but are unable to do so because it is full must keep enough space on the road to let others exit)
I suspect that the vehicle behavior you are seeing may be related to that change. It would be best if you could send me a small scenario with the original parking area positioning and a reduced set of vehicles to reproduce the problems. You may find the cutRoutes tool useful when transforming large-scenario demand to match a reduced network (http://sumo.dlr.de/wiki/Tools/Routes#cutRoutes.py) but you will still have to cut the parkingArea definitions with Netedit since cutRoutes.py does not yet support them.

regards,
Jakob



Am Do., 10. Jan. 2019 um 15:12 Uhr schrieb Lara CODECA <Lara.Codeca@xxxxxxxxxx>:

Hello Jakob,

 

Thanks for the suggestions:

-          The issue seems independent from the random seed (I tried with  15 different seeds and happens all the time)

-          Changing the startPos from 47.09 to 45.09 the problem disappears.

 

For the moment I’ll fix it by making the areas larger, but given that my scenario is “automagically” generated, I would like to discover what’s the problem, in order to regenerate it right.

 

In case this tell something to you that it does not for me, the vehicles have a defined arrivalPos="49.59" but they were stopping exactly at 47.02 and waiting until teleportation. Given that 47.02 < 47.09 (the beginning of the parking area) nothing was working. What can it be that influences the stopping position and changed it from the XML defined one?

 

All the Best,

Lara

 

From: sumo-user-bounces@xxxxxxxxxxx [mailto:sumo-user-bounces@xxxxxxxxxxx] On Behalf Of Jakob Erdmann
Sent: Thursday 10 January 2019 08:16
To: Sumo project User discussions
Subject: Re: [sumo-user] Issues with parking area, vehicle stopped on the road.

 

Thank you for reporting.

The way to debug rare events is to figure out whether they are related to a local feature or to "randomness".

Does the error disappear or appear somewhere else when running the simulation with a different random seed?

If it stays in the same place, tweak the local geometry (parkingArea positioning and size) and check if it goes away then.

The end goal is to boil down the problem to a minimal scenario (which I can then scrutinize for bugs).

If the problem cannot be replicated with another random seed or a smaller scenario then I'll take a look at the big version.

 

best regards,

Jakob

 

Am Mi., 9. Jan. 2019 um 15:25 Uhr schrieb Lara CODECA <Lara.Codeca@xxxxxxxxxx>:

I forgot to mention that the exact same files with SUMO 1.0.1 are working perfectly fine and the issue does not show up.

 

Regards,

Lara

 

From: sumo-user-bounces@xxxxxxxxxxx [mailto:sumo-user-bounces@xxxxxxxxxxx] On Behalf Of Lara CODECA
Sent: Wednesday 09 January 2019 15:13
To: sumo-user@xxxxxxxxxxx
Subject: [sumo-user] Issues with parking area, vehicle stopped on the road.

 

Dear All,

 

I have a problem (that does not happen with all the vehicles) that is:

 

I have a person

<person id="pedestrian_2-1_1074" type="pedestrian" depart="18562">

        <ride from="-152710#1" to="-152902#1" lines="pedestrian_2-1_1074_tr"/>

        <walk edges="-152902#1 152902#1 152889#2 -153561#0"/>

</person>

 

Riding a vehicle

<vehicle id="pedestrian_2-1_1074_tr" type="ptw" depart="triggered" departLane="best" arrivalPos="49.59">

        <route edges="-152710#1 -152710#0 152973#1 152973#2 152973#3 152973#4 153441#0 153441#1 153441#2 152468#1 152945#0 152795 152787#2 152168 152971#0 152971#1 152971#2 152971#3 -152797#1 152826#0 152826#1 152138#7 152138#0 152139 152970 -152271 -152420 -152960 152897#1 152897#2 152984#0 152984#1 152984#2 152984#3 -152902#1"/>

        <stop parkingArea="1133" until="43479"/>

</vehicle>

 

That has to park.

 

In sumo 1.1.0 (tarball) this car is stopped in the middle of the road instead of the parking area. As you can see in the attached image, the person is still on the vehicle and there is a queue forming behind.

The stopping point defined for the vehicle is 49.59, and the parking area begins at 47.09 and ends at 52.09.

After a very long while (<time-to-teleport value="180"/>), the vehicle disappears, the parking lot is still empty and the person walks to its final destination.

Like this one, all other vehicles that want to park in parkingArea 1133 get stuck.

 

All other instances of person+vehicle and parkingArea are defined in the same way,  and they work fine.

 

All the files are available on GitHub: https://github.com/lcodeca/MoSTScenario. How can I debug this? Any suggestions?

 

Thanks in dvance,

Lara

 

---

Lara CODECA

Postdoc

Tel : 04.93.00.81.51

 

EURECOM

Campus SophiaTech

http://www.eurecom.fr/

 

_______________________________________________
sumo-user mailing list
sumo-user@xxxxxxxxxxx
To change your delivery options, retrieve your password, or unsubscribe from this list, visit
https://www.eclipse.org/mailman/listinfo/sumo-user

_______________________________________________
sumo-user mailing list
sumo-user@xxxxxxxxxxx
To change your delivery options, retrieve your password, or unsubscribe from this list, visit
https://www.eclipse.org/mailman/listinfo/sumo-user

Back to the top