Re: [sumo-user] R: Locating cars around certain coordinates

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

If the point of interest is an actual POI or some other simulation objects supported by TraCI then you can use the 'subscribeContext' function to efficiently retrieve objects of a specified type (e.g. cars) in a specified radius.

See http://sumo.dlr.de/wiki/TraCI/Object_Context_Subscription

Note, that you can add POIs via TraCI.

regards,

Jakob

2018-07-25 13:02 GMT+02:00 Stefano Niero <stefano.niero@xxxxxxxxxx>:

Sorry for the disturb, I solved the problem the other way around: calculating the distance for each car from my point of interest and if this distance is below a certain radius the vehicle is added to the list. If you have faster solutions they are still welcome.

 

Stefano

 

Da: Stefano Niero
Inviato: 25 July 2018 11:11
A: 'Sumo project User discussions' <sumo-user@xxxxxxxxxxx>
Oggetto: Locating cars around certain coordinates

 

Hi,

I was wondering whether it was possible, given x and y coordinates and the radius, to have a list of all the vehicles within the circumference described.

 

Best Regards

Stefano

 

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