Re: [sumo-user] Randomness Sumo

[Lokesh Das <lokeshcsedu@xxxxxxxxx>]

Hi,

One way of getting different speeds at every run. SUMO simulation uses the default seed value (i.e., 1234) in the simulation configuration file. You can set different seeds at every run using Traci and it will give you speed variation eventually. 

Regards,

Lokesh

On Mon, Jan 11, 2021 at 12:19 PM IT Tech <aekralem21@xxxxxxxxx> wrote:

Hi, 

I need to set up a random speed distribution among vehicles in the simulation for every run, I already set the speedFactor attribute for the vType of vehicles , this is already generating a mixture of vehicles speed in the simulation, but on every run the speed don't change.

For example : 

I have three vehicles which I want the speed of each to be in the range 100-120 km/h.

the speedFactor is already generating different speeds in the range for the 3 vehicles, but on every run of : sumo-gui -c demo.sumocfg --fcd-output file.xml , the speeds seems to be the same (if vehicule1 speed is 110km/h it stays like that for every run).

Any Thought how to fix this issue, Thank You.

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