Re: [sumo-user] Getting the vehicle type of a lanearea dectector in TraC

[Didac Busquets <didac.busquets@xxxxxxxxxx>]

Hi Michael,

I would disagree. I think it would be really useful to have a TraCI/libsumo module where you can query all the static info of the network (nodes, edges, lanes, links, detectors, traffic lights...). 

That would decouple our scripts from the file based representation of the network. What if the XML schema chanes? What if at some point you change XML by something else (e.g. JSON, reading from a database...)? Then any parsing script would be broken.

I guess it's not a priority, but something to have in mind.

Regards,

	Didac 

-----Original Message-----
From: sumo-user-bounces@xxxxxxxxxxx <sumo-user-bounces@xxxxxxxxxxx> On Behalf Of Michael Behrisch
Sent: 30 October 2018 08:30
To: sumo-user@xxxxxxxxxxx
Subject: Re: [sumo-user] Getting the vehicle type of a lanearea dectector in TraCI/libsumo

Hi,
another easy way would be to parse the input file defining the detector yourself. I am a little bit hesitant to add traci interfaces to all the static information available.

Best regards,
Michael

Am 26.10.18 um 16:41 schrieb Didac Busquets:
> Thank you Jakob,
> 
>  
> 
> That is what I was doing right now, using the detector id as 
> XXXX_Type1 and then manually splitting it. But obviously is not very 
> clean nor portable.
> 
>  
> 
> Would be great if in the future libsumo/TraCI offer a 
> getVehicleTypes() method.
> 
>  
> 
> Cheers,
> 
>  
> 
>                Didac
> 
>  
> 
> *From:*sumo-user-bounces@xxxxxxxxxxx <sumo-user-bounces@xxxxxxxxxxx> 
> *On Behalf Of *Jakob Erdmann
> *Sent:* 25 October 2018 21:28
> *To:* Sumo project User discussions <sumo-user@xxxxxxxxxxx>
> *Subject:* Re: [sumo-user] Getting the vehicle type of a lanearea 
> dectector in TraCI/libsumo
> 
>  
> 
> Hello,
> 
> there is currently no way to achieve this in a general way. A 
> workaround could be to encode this information within the id of the detector.
> 
> regards,
> 
> Jakob
> 
>  
> 
> Am Do., 25. Okt. 2018 um 13:00 Uhr schrieb Didac Busquets 
> <didac.busquets@xxxxxxxxxx <mailto:didac.busquets@xxxxxxxxxx>>:
> 
>     Hi,
> 
>      
> 
>     I’m using TraCi and libsumo to read the values of lanearea
>     detectors. How can I query what vehicle type they detect? That is,
>     the value of “vTypes” in the definition of laneAreaDetector in the
>     additionals file.
> 
>      
> 
>     Thanks,
> 
>      
> 
>                    Didac
> 
>      
> 
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