Re: [sumo-user] Issue with getLeader method

[ĐEEPTHI P <deepthi.p08@xxxxxxxxx>]

It is a straight highway road and all vehicles are moving from left to right. Also, the behavior is not consistent. Most of the time, getLeader returns a vehicle which is ahead of the ego vehicle, but sometimes it returns a vehicle which is behind.

On Sat, 22 Apr 2023 at 15:34, Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:

looks like ego and leader are driving on a road that goes from right to left.

Am Sa., 22. Apr. 2023 um 14:38 Uhr schrieb ĐEEPTHI P <deepthi.p08@xxxxxxxxx>:

Hi,

I used the code below to get the position of leading vehicle. However, sometimes the simulation gives the position of the leading vehicle behind the ego vehicle (as shown in the output). How does this happen ?

 leader = traci.vehicle.getLeader(ego_id)

 if leader != None:

    leader_id = leader[0]

    lead_pos = traci.vehicle.getPosition(leader_id)

    ego_pos = traci.vehicle.getPosition(ego_id)

    print("Ego position {}, Lead position {}".format(ego_pos, lead_pos))

Ego position (795.95, -1.6), Lead position (781.706206685247, -1.6) Ego position (797.5900467095553, -1.6), Lead position (783.2492279457477, -1.6) Ego position (799.1890996324844, -1.6), Lead position (784.7922492062485, -1.6)

Regards,

Deepthi

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Regards,

Deepthi