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Re: [sumo-user] Get per-vehicle collision using TraCI?

Hi Ruud,

 

as you have noticed yourself, it is currently not possible to query collisions using vehicle context subscription. Simulation::getCollisions() returns compound objects with more information for each collision (participants, respective types and speeds, location). See the Python TraCI reference for the correct order and compound size.

 

Best regards

Mirko

 

 

 

 

-----Original-Nachricht-----

Betreff: [sumo-user] Get per-vehicle collision using TraCI?

Datum: 2023-07-24T11:07:44+0200

Von: "Ruud van Gaal via sumo-user" <sumo-user@xxxxxxxxxxx>

An: "Sumo project User discussions" <sumo-user@xxxxxxxxxxx>

 

 

 

Hi all,
 
I'm looking into detecting collisions for a specific (ego) vehicle using TraCI.
I found VAR_COLLIDING_VEHICLES_NUMBER and VAR_COLLIDING_VEHICLES_IDS, but those need to be fetched independently of a context subscription using the Simulation class. That could give me a lot of collision information I'm not interested in.
 
1. Can I get collision information using the vehicle context subscription method somehow? (I tried subscribing on VAR_COLLIDING_VEHICLES_NUMBER but that gives a not-supported error)
2. I also see Simulation::getCollisions(); is that a newer way of getting the collisions using getCollidingVehiclesIDList() and getCollidingVehiclesNumber()? What is the difference?
 
Thanks,
Ruud
 
 
 

 



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