Hello,
by default, DUAROUTER generates vehicles from a flow with equal spacing in
time. To get random spacing use the option --randomize-flows.
In this case, each vehicle selects a depart time which is uniformly
distributed between begin and end.

<flows> that are loaded into the simulation are also spaced evenly unless
defined with attribute probability which creates a binomial distribution
(approximating Poisson distribution for low probability).

regards,
Jakob


2017-08-12 8:23 GMT+02:00 mohsen hs via sumo-user <
sumo-user@lists.sourceforge.net>:

> Hello there,
> Could you please let me know what kind of distribution SUMO uses to
> distribute flow between "begin" and "end" as shown here
> http://sumo.dlr.de/wiki/Demand/Shortest_or_Optimal_
> Path_Routing#Flow_Definitions
>
> and here
> http://sumo.dlr.de/wiki/Definition_of_Vehicles,_Vehicle_Types,_and_Routes#
> Incomplete_Routes_.28trips_and_flows.29
>
>
> I think I read somewhere in the wiki that it's Poisson, but would like to
> confirm this.
> Many thanksMohsen
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