Re: [sumo-user] Insert Randomness on route file

[Jakob Erdmann]

Hello,
1) Thank for reporting this issue which is now being tracked at
https://github.com/eclipse/sumo/issues/4076
The warning, which is invalid, was intended as a fail-safe when loading
unsorted route files incrementally.
As a work-around you can load your route file all at once by adding it to
the list of additional files (this disables the check for sorted
departures):
sumo --additional-files yourVehicles.rou.xml
This way, the option --random-depart-offset should work as expected

2) set --random-depart-offset, set vehicle (or flow) attribute
departPos="random". Then call sumo with different values of --seed or add
option --random (which uses a random seed)
See http://sumo.dlr.de/wiki/Simulation/Randomness
Another important aspect of stochastic simulations are speed distributions:
http://sumo.dlr.de/wiki/Definition_of_Vehicles,_Vehicle_Types,_and_Routes#Speed_Distributions

regards,
Jakob


2018-05-15 16:24 GMT+02:00 Thanos Tasakos :

> Hello all,
>
>1. if u have a given rou.xml file is it possible to create many
>different perturbed versions of it (i want to add stochasticity at each
>run). One option that i came accross was to use --random-depart-offset
> but when i add this tag to my sumocfg file the sumo-gui wouldnt
>run giving a Warning that the departures should be ordered.
>2.  Generally given a .rou file how can i change it(different
>departures, different starting positions)
>
> Kind regards,
>
> Thanos Tasakos
>
>
>
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[sumo-user] Insert Randomness on route file

[Thanos Tasakos]

Hello all,

   1. if u have a given rou.xml file is it possible to create many
   different perturbed versions of it (i want to add stochasticity at each
   run). One option that i came accross was to use --random-depart-offset
but when i add this tag to my sumocfg file the sumo-gui wouldnt
   run giving a Warning that the departures should be ordered.
   2.  Generally given a .rou file how can i change it(different
   departures, different starting positions)

Kind regards,

Thanos Tasakos
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