Greetings, I am currently doing some research on shared-ride Mobility on Demand services. Currently using SUMO to test my dispatch algorithms on a theoretical network. As of version 1.9.0 SUMO supports re-dispatching as it is currently mentioned on the documentation website. However, I am currently having some trouble with dispatching. I have two questions. I will try to ask my first question with an example.
Let's assume taxi 4 already has a customer on board (Customer 12). But after some evaluations (based on some dispatch algorithm conditions), the algorithm decides another passenger (Customer 19) will be picked up before dropping off customer 12. How should this new dispatch be coded in Traci? I am currently doing the following: *traci.vehicle.dispatchTaxi(4,['12', '19', '12', '19']) * I have also tried the following: *traci.vehicle.dispatchTaxi(4,['19', '12', '19']) * However, I get the following error for both of these dispatch commands: *traci.exceptions.TraCIException: Could not interpret reservations for vehicle '4' (Re-dispatch did mention some customers but failed to mention 12).* My expectation from this code is this: Change your schedule as pick up "19" before dropping off "12" and drop off "12" (which is the current customer onboard) then drop off "19" 2) My second question is about taxi states. I don't think I fully understand how does taxi vehicle states change between 2 and 3. For example, if a vehicle has the capacity of 2 passengers. And after picking up a customer, does the vehicle enter state 2 as default? Or does it enter state 3. Website documentation says the following for taxi states: 0 (empty) : taxi is idle 1 (pickup): taxi is en-route to pick up a customer 2 (occupied): taxi has customer on board and is driving to drop-off 3 (pickup + occupied): taxi has customer on board but will pick up more customers Can you elaborate on how they change between these two states? Thank you very much for your time, Best Regards, Sadullah Goncu
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