see https://sumo.dlr.de/pydoc/traci._lane.html lane.getFoes lane.getInternalFoes lane.getLinks
once you have the foe lane ids, you can retrieve the relevant vehicles with lane.getLastStepVehicleIDs Am Mo., 30. Mai 2022 um 13:13 Uhr schrieb Lu <[email protected]>: > Sorry for asking the same question. I can't find the answer I'm looking > for with SSM. > > I want to use traci to get whether there will be a collision at > intersections and roundabouts. > > I also want to know who I'm going to collide with. > > For example, a car traveling from left to right at an intersection > ("vehicle1") and a vehicle traveling from top to bottom ("vehicle2") > continue to go on, there is a possibility of a collision. Speed doesn't > matter. In other words, it doesn't matter whether or not they collide when > driving at the same speed, it is important that the road to the left of the > intersection and the road to the top are colliding roads. > > I wonder if it is possible to get the value by traci or other methods. > > > > Regards. > > > > -----Original Message----- > *From:* "Lu"<[email protected]> > *To:* "Sumo project User discussions"<[email protected]>; > *Cc:* > *Sent:* 2022-05-30 (월) 19:09:32 (GMT+09:00) > *Subject:* Re: [sumo-user] Collision awarness > > > Thank you so much for your kind explanation. > > But the situations where I try to recognize the risk of collision are > intersections and roundabouts. > > I'm trying to see if I can do it using the SSM you answered first. > > > > Thank you again > > -----Original Message----- > *From:* "Jakob Erdmann"<[email protected]> > *To:* "Sumo project User discussions"<[email protected]>; > *Cc:* > *Sent:* 2022-05-30 (월) 18:50:22 (GMT+09:00) > *Subject:* Re: [sumo-user] Collision awarness > > traci.vehicle.getLaneChangeState / getLaneChangeStatePretty returns > whether a change in a given direction is unsafe: > - "overlapping" means that a change would directly cause a collision > - "blocked" indicates that the change would violate safe gaps so it could > cause a collision in subsequent steps > > you can also compute these gaps directly with vehicle.getSecureGap > For speed changes, you can use getFollowSpeed to compute the maximum speed > which is considered "safe" by the current carFollowModel. > > Am Mo., 30. Mai 2022 um 08:01 Uhr schrieb Lu <[email protected]>: > > Thanks Harald > > > > I used traci to limit vehicle speed and lane changes. Therefore, speed and > lane changes are made by myself using traci. > > So if I don't do anything, they will collide with each other. So I want to > know whether to do it or not before crashing. Is there any way to find out > using traci in the current version? > > Regards > > -----Original Message----- > *From:* "Harald Schaefer"<[email protected]> > *To:* <[email protected]>; > *Cc:* > *Sent:* 2022-05-30 (월) 14:56:52 (GMT+09:00) > *Subject:* Re: [sumo-user] Collision awarness > > > Hi, > > > in general SUMO tries to avoid collisions. In junctions the cars move > according to traffic rules. > > See https://sumo.dlr.de/docs/Simulation/Safety.html#collisions for more > details. > > > Harald > > > Am 30.05.22 um 07:19 schrieb Lu: > > Hi! > > > > I would like to know whether there will be a collision when two vehicles > are traveling in their current direction. > > We plan to use traci, and if there is a risk of collision, i will take > appropriate measures to prevent the collision. > > Could it be possible to use traci to get information on whether or not > there is a possibility of collision in situations such as intersections or > roundabouts? > > Or is there no function available for this in SUMO, and I have no choice > but to process data such as coordinates and judge it myself? > > > > Thanks!! > > _______________________________________________ > sumo-user mailing [email protected] > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user > > _______________________________________________ > sumo-user mailing list > [email protected] > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user > > _______________________________________________ > sumo-user mailing list > [email protected] > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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