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 <https://sumo.dlr.de/pydoc/traci._simulation.html#Collision> 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" <[email protected]>
An: "Sumo project User discussions" <[email protected]>
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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