The relevant warning is " Vehicle ... arrived inside e3Detector". Example:
e3_4 only covers two exit lanes but the vehicles may change lanes and thus
leave the intersection on any of 5 or potentially 8 lanes.

Am Do., 16. Mai 2024 um 09:41 Uhr schrieb Mirko Barthauer via sumo-user <
sumo-user@eclipse.org>:

> Hi Alex,
>
>
>
> the problem is related to lane changes and where the vehicles are
> inserted. E3 detectors can count only those vehicles which have passed
> first a datEntry and then a datExit section. All others get discarded in
> the output. Please add more datEntry sections for each detector to cover
> all variants of entry and exit lane or define the departure lane (attribute
> departLane
> <https://sumo.dlr.de/docs/Demand/Shortest_or_Optimal_Path_Routing.html#trip_definitions>)
> explicitly so that vehicles don't have to change lane in the intersection
> approach.
>
>
>
> Best regards
>
> Mirko
>
>
>
>
>
>
>
>
>
> -----Original-Nachricht-----
>
> Betreff: [sumo-user] E3 Detector XML showing "-1" on several detectors
>
> Datum: 2024-05-14T14:14:48+0200
>
> Von: "alex david figueredo mora via sumo-user" <sumo-user@eclipse.org>
>
> An: "sumo-user@eclipse.org" <sumo-user@eclipse.org>
>
>
>
>
>
>
> I created a simulation and places the detector in places I think it's
> logical plus their corresponding datEntry and datExit. The thing is that at
> several detectors I'm getting a whole line of -1, like no vehicle at all
> went through that detector, which is not the case on the simulation.
>
> I am attaching the files I am using for the simulation to see if anyone is
> able to help. Maybe I am not placing things properly.
>
>
> 
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