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Re: [sumo-user] Car following model and leaders
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Correct. You need to add the minGap for the front-bumper-to-back-bumper distance. The 'dist' parameter controls the maximum search distance for locating the leader (for a value of dist=0, it defaults to the breaking distance of the vehicle).
Hello,
I am currently using the Krauss model for car-following following a very simple 2-lane scenario. When I use the traci.vehicle.getLeader(vehID=vh, dist=0.0) command, for a vehicle f.1, I get the output ('f.0', 1.0995103573504839) - which is telling me that it is ~1.1m in front of the vehicle f.1.
From what I can tell, it is calculating this value from
Front bumper position of vehicle f.0 - Front bumper position of vehicle f.1 - Length of vehicle f.0 - Default mingap (2.5 m) = 13.70 - 5.10 - 5.0 - 2.5 = 1.1m
Is my understanding correct? So if I want the actual distance between the ego vehicle's front bumper and the leader vehicle's back bumper, I need to add the value of "minGap"? Is the "dist" parameter related to this?
Thank you.
Sincerely,
Hriday.
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