Re: [sumo-user] traci.vehicle.changeSublane giving a warning

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

1) you first need to activate the sublane model using option --lateral-resoluton (the lane changing model SL2015 will then be used automatically)

2) by setting lcAssertive to a very high value you can make the vehicle use gaps that are only slightly bigger than the vehicle itself. To force collisions (change on overlap) you need to set laneChangeMode: https://sumo.dlr.de/docs/TraCI/Change_Vehicle_State.html#lane_change_mode_0xb6

regards,

Jakob

Am Do., 28. Jan. 2021 um 19:20 Uhr schrieb Bae, Jong In <jbae42@xxxxxxxxxx>:

Hello,

I'm trying to learn how to use traci sublane command. I had two questions..

First, I'm trying to achieve a simple task; make the red vehicle in the attached image to do a sublane change between the two blue vehicles.

I changed the lane changing model to 'SL2015' but the command is giving me an error "Warning: Lane change model did not provide a reason for changing (state=14337, time=4.40)"

I got the same warning when I removed the two blue vehicles and made the red vehicle do the sublane change into an empty lane.

1. Do I need to specify a reason for changing? If so, how and where do I do that?
2. Can I force the sublane change into a gap that is as small as the vehicle length? or even smaller than a vehicle length (overlapping the red vehicle on top of blue vehicle)?

Thank you!

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