thanke you so much

like you say,the code works well(see below):

1:set speedmode 6,set lanechangemode 0;

2:while(true){

     setspeed(**);

     go one simulation step;

}

so can you tell me :why i have to set the speed befor every simulation step(if 
i put the setspeed code outside of the whileloop,it will slow down)

is there any other solution so that i could setspeed only once

thanks


-----原始邮件-----
发件人:"Jakob Erdmann" <[email protected]>
发送时间:2016-11-08 15:25:10 (星期二)
收件人: 21609136 <[email protected]>
抄送: "[email protected]" <[email protected]>
主题: Re: [sumo-user] disable the collision free


speedmode 6 and laneChangeMode 0 should do what you want. (i.e. create a 
rear-end collision if you use setSpeed() with an unsafe value). If the vehicle 
still slows down, send me the zipped scenario so I can look for a bug.


regards,

Jakob



2016-11-07 15:54 GMT+01:00 21609136 <[email protected]>:

Hello everyone,

I'm using SUMO 0.28.0 and Traci in my research. In the mean time ,I have builde
d the sumo source code successful by using vs 2012

I have problem like this :

I use the command *traci.vehicle.setSpeed(vehicle_id,velocity)* to set the
speed of a vehicle. If the vehicle is far enough from the preceding
vehicle, there is no problem; but when it is close, the vehicle tend to
slow down.

i have set the speed mode in 6( no Regard safe speed )and the lane change mode
in 0(do no lane change)
what i want is :
1>disable the car following
2>disable the lane change
3>algorithm is implement in the traci client code
so what should I do  send some traci command or change the sumo source code can
 do this


Thanks in advance.
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