Re: [sumo-user] Regarding vehicle delay in the virtual queues

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

Was probably caused by https://github.com/eclipse/sumo/issues/12287

Am Di., 13. Dez. 2022 um 08:48 Uhr schrieb Hager Radi <hagerrady133@xxxxxxxxx>:

I forgot to mention that I set --waiting-time-memory to the simulation end time in seconds. This means that accumulatedWaitingTime should match the WaitingTime in trip_info, does it?

On Dec 12, 2022, at 11:48 PM, Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:



accumulatedWaiting time is only the waiting time within the last 100s (time window configurable with option --waiting-time-memory).

For total waitingTime, use the tripinfo value (or maybe https://sumo.dlr.de/docs/Simulation/Output/StatisticOutput.html).

Am Di., 13. Dez. 2022 um 07:07 Uhr schrieb Hager Radi <hagerrady133@xxxxxxxxx>:

Thank you so much for your reply. I have one more follow-up question. I tried using getAccumulatedWaitingTime to collect the total waiting time of a vehicle throughout the simulation. This should match the waitingTime reported in trip_info by the end of simulation. However, these two don't always match and trip_info can get a larger waitingTime. Is there a justification for this? Which of these would be the accurate one?

Thanks,

On Wed, Dec 7, 2022 at 11:26 PM Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:

-  departDelay is the time a vehicle has been waiting in a virtual queue before it is inserted

- in tripinfo-output, 'depart' is the actual time of insertion (desired departure + departDelay)

- timeLoss only concerns the loss after actual departure so it is often a useful metric to add timeLoss and departDelay

For this reason, statistic-output includes

Note, that tripinfo-output only contains arrived vehicles by default. To ensure counting all vehicles, you can set the options

--tripinfo-output.write-unfinished

--tripinfo-output.write-undeparted  (these will only serve to add more departDelay since they never actually departed))

Am Do., 8. Dez. 2022 um 00:23 Uhr schrieb Hager Radi <hagerrady133@xxxxxxxxx>:

Hello,

I am trying to capture the total delay of a vehicle from source to destination. I have seen that trip_info includes the time_loss and also depart_delay. 

- Is depart_delay the time a vehicle has been waiting in a virtual queue before it is inserted?

- Does depart (the time it is inserted) take into consideration this delay or is it the ideal departure time that a vehicle should have followed?

- Can you confirm that time_loss includes only the delay from actual insertion to arrival?

 

Thanks,

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