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Re: [sumo-user] routing mode default
The reason is this:
"When using the TraCI method rerouteTraveltime from the python TraCI library, the command supports an additional boolean parameter currentTravelTime (default True). When this parameter is set to True, the global edge weights are replaced by the currently measured travel times before rerouting."

(https://sumo.dlr.de/docs/Simulation/Routing.html#special_cases)

Am Sa., 29. Aug. 2020 um 19:09 Uhr schrieb Weronika <weronikanika.n@xxxxxxxxx>:

Hi,

I have some doubts about my understanding of routing in SUMO I hope someone could help me with it.

 

if I set up routing mode as default :

traci.vehicle.setRoutingMode(vehicleid,traci.constants.ROUTING_MODE_DEFAULT)


„

  1. The vehicle retrieves it's individual data storage. This can be set and retrieved using the TraCI vehicle methods change edge travel time information and edge travel time information.
  2. The global edge weights loaded using option --weight-files are retrieved.
  3. The global edge weights (set and retrieved via TraCI) using the TraCI edge methods change edge travel time information and edge travel time information.
  4. The minimum travel time (length/allowedSpeed) is used.”


And there are no 1, 2, 3 in my simulation, then every time my vehicle should select the way base on point 4 length/allowedSpeed.


So it does not depend on the number of other vehicles-crowded streets. Every time the vehicle should select the same route because the length and allowed speed don’t change.


Unfortunately doesn’t happen like this, looks like the routing is somehow overwritten, by routing in which vehicle selects the least crowded way or my understanding of minimum travel time is wrong.


best,

Weronika



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