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Re: [sumo-user] Clarification on the use of add fucntion



are you absolutely certain that there is no vehicle with the same ID? Vehicle IDs have to be unique throughout the simulation. Some sources where to look:

  • IDs of additional vehicles from route files
  • check the active vehicle IDs repeatedly by calling traci.vehicle.getIDList()
  • if you wrap the in a loop, be sure to generate unique vehicle IDs (e.g. by adding a counter variable at the end of the ID)

Best regards







Betreff: [sumo-user] Clarification on the use of add fucntion

Datum: 2023-03-10T05:26:45+0100

Von: "Zedric Banger II (zbanger)" <zbanger@xxxxxxxxxxx>

An: "sumo-user@xxxxxxxxxxx" <sumo-user@xxxxxxxxxxx>




Dear Mirko, 
Whenever I try to use the add function, I get the error, "The vehicle 'name' to add already exists." even though that vehicle DOES NOT exist. I know the routeID, but I can't figure out how to fix the error. 
Best Regards.

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