Re: [sumo-user] Rerouting Question

[Jakob Erdmann <namdre.sumo@xxxxxxxxxxxxxx>]

Hello,

The function rerouteTravelTime use the time values from edge.getTraveltime() and this is based on the average vehicle speed at that time. (no smoothing of past fluctuations and no extrapolation into the future).

Various smoothing options are available when using the rerouting device (but also no extrapolation into the future): http://sumo.dlr.de/wiki/Demand/Automatic_Routing

regards,

Jakob

2018-04-17 19:10 GMT+02:00 Jonathan Harper via sumo-user <sumo-user@xxxxxxxxxxxxxxxxxxxxx>:

Hi there,

More of a generic question – when rerouting a vehicle with vehicle.rerouteTraveltime(), does the vehicle account for traffic as it currently stands or traffic that it estimates will be there once the vehicle reaches the point of congestion? E.g. say a vehicle has 2 possible paths it can lead down, path 1 is congested at the moment but by the time the vehicle reaches it the congestion should have cleared, path 2 is not congested whatsoever, however, by the time the vehicle reaches it the path will be fully congested. In this case the vehicle should take path 1 given these future conditions.

Does SUMO do this automatically or only reroute based on the exact current road conditions? If it does, is there any documentation you know of regarding this?

Kind regards,
Jonathan



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