you can use edge.getLastStepVehicleIDs to loop over all vehicles on an edge
where the type must be changed.
Am Sa., 8. Mai 2021 um 18:50 Uhr schrieb SHANTANU PHANSE via sumo-dev <
sumo-dev@eclipse.org>:
> Thank you for your kind response.
>
> 1. I have implemented the first option successfully for different vtypes.
>
> 2. By Traci I used the following code. It is working successfully for a
> single vehicle and will work for multiple vehicles.
>
> If the number of vehicles increases and we want to check for each vehicle,
> then this code will have a lot of redundancy.
> Can you suggest me some changes so that I will be able to improve the code?
>
> def run():
>
> # intialisation of variable
> steps = 0
> edge_id ="e0"
>
> while steps < 3000:
>
> traci.simulationStep()
>
> #to get the edge id
> edge_id0 = traci.vehicle.getRoadID("0")
>
> edge_id1 = traci.vehicle.getRoadID("1")
>
> #if the edge id is e1 then change vtype to d
> if(edge_id0 == "e1"):
> traci.vehicle.setType("0", "d")
>
> if(edge_id1 == "e1"):
> traci.vehicle.setType("0", "d")
>
> #if the edge id is e1 then change vtype to c
> if(edge_id0 == "e2"):
> traci.vehicle.setType("0", "c")
> if(edge_id1 == "e2"):
> traci.vehicle.setType("0", "c")
>
> steps+=1
>
> traci.close()
>
>
>
> Thanks and Regards
> Shantanu Phanse
> DA-IICT, India
>
>
>
>
>
>
> On Sat, May 8, 2021 at 12:10 AM Jakob Erdmann <namdre.s...@gmail.com>
> wrote:
>
>> There are several options for changing parameters based on location:
>> - exchange the vehicle type with another vehicle type based on
>> pre-defined xml input:
>> https://sumo.dlr.de/docs/Simulation/Calibrator.html#calibrating_vehicle_types
>> - monitor the vehicle location with traci and then use traci functions to
>> change the type based on the current vehicle edge
>> - define custom parameters for the edges (i.e. in netedit) and then use
>> those parameters within your custom car following model to modify its own
>> parameters based on the current edge
>>
>> regards,
>> Jakob
>>
>> Am Fr., 7. Mai 2021 um 14:52 Uhr schrieb SHANTANU PHANSE via sumo-dev <
>> sumo-dev@eclipse.org>:
>>
>>> Thank you for your kind response.
>>>
>>> I had one more doubt. Can we have different values of the user-defined
>>> car following model parameters "I", "d" for different edges of a road
>>> network?
>>>
>>> eg. We have a road network of edges (e1---e2---e3) and say edge 1 has
>>> value i = 2, d = 10, and edge 2 has value i = 5, d = 40 in the same road
>>> network.
>>>
>>> Thanks and regards
>>> Shantanu Phanse
>>> DA-IICT, India
>>>
>>> On Thu, Apr 22, 2021 at 2:03 PM Jakob Erdmann <namdre.s...@gmail.com>
>>> wrote:
>>>
>>>> see
>>>> https://sumo.dlr.de/docs/Developer/How_To/Car-Following_Model.html#using_custom_parameters_via_traci
>>>>
>>>> Am Do., 22. Apr. 2021 um 10:13 Uhr schrieb SHANTANU PHANSE via sumo-dev
>>>> <sumo-dev@eclipse.org>:
>>>>
>>>>> Thank you for your kind response.
>>>>> I there any other way I can manipulate my user-defined parameters 'i'
>>>>> and 'd' while the simulator is running.
>>>>>
>>>>> On Thu, Apr 1, 2021 at 4:51 PM <maria.armell...@dlr.de> wrote:
>>>>>
>>>>>> Hi Shantanu,
>>>>>>
>>>>>>
>>>>>>
>>>>>> I have tried it myself and saw that when you use .setParameter a new
>>>>>> parameter is created. For example, when you call
>>>>>> *traci.vehicletype.setParameter("c",
>>>>>> "maxSpeed", '4.00')*, you don’t change the maximum speed parameter,
>>>>>> but a new parameter “param:maxSpeed” is created with that value (see
>>>>>> picture). If you want to change the maximum speed, you can use
>>>>>> *.setMaxSpeed()*. See VehicleType_Value_Retrieval
>>>>>> <https://sumo.dlr.de/docs/TraCI/VehicleType_Value_Retrieval.html> and
>>>>>> VehicleType_State
>>>>>> <https://sumo.dlr.de/docs/TraCI/Change_VehicleType_State.html>.
>>>>>>
>>>>>> As for the “i” and “d” parameters of your CF model, I think this is
>>>>>> still under development, see GitHub-Issue
>>>>>> <https://github.com/eclipse/sumo/issues/6932>.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Giuliana
>>>>>>
>>>>>>
>>>>>>
>>>>>> *Von:* sumo-dev <sumo-dev-boun...@eclipse.org> *Im Auftrag von *SHANTANU
>>>>>> PHANSE via sumo-dev
>>>>>> *Gesendet:* Mittwoch, 31. März 2021 15:49
>>>>>> *An:* sumo-dev@eclipse.org
>>>>>> *Cc:* SHANTANU PHANSE <201911...@daiict.ac.in>
>>>>>> *Betreff:* [sumo-dev] Regrading Retrieval of vtype parameter using
>>>>>> traci
>>>>>>
>>>>>>
>>>>>>
>>>>>> Hello,
>>>>>>
>>>>>>
>>>>>>
>>>>>> I have created a new car-following model in SUMO for practice.
>>>>>>
>>>>>>
>>>>>>
>>>>>> rou.xml has vtype attribute as follows
>>>>>>
>>>>>>
>>>>>>
>>>>>> <vType id = "c" departLane = "best" maxSpeed = "16.67"
>>>>>> carFollowModel="W" d = "30" i = "12"/>
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------------------------
>>>>>>
>>>>>> I aim to change the vtype parameters of maxSpeed, i, d using traci.
>>>>>>
>>>>>>
>>>>>>
>>>>>> The snippet of the code I am using is as follows
>>>>>>
>>>>>>
>>>>>>
>>>>>> def run():
>>>>>>
>>>>>> steps = 0
>>>>>>
>>>>>> while steps < 1000:
>>>>>> traci.simulationStep()
>>>>>> steps+=1
>>>>>>
>>>>>>
>>>>>>
>>>>>> #get the parameters
>>>>>>
>>>>>> if(steps == 5):
>>>>>> print(traci.vehicletype.getParameterWithKey("c", "d"))
>>>>>> print(traci.vehicletype.getParameterWithKey("c", "i"))
>>>>>> print(traci.vehicletype.getParameterWithKey("c",
>>>>>> "maxSpeed"))
>>>>>>
>>>>>>
>>>>>> #set the parameters at step 1
>>>>>> if(steps == 10):
>>>>>> traci.vehicletype.setParameter('c', 'depth', '0')
>>>>>> traci.vehicletype.setParameter('c', 'intensity', '0')
>>>>>> traci.vehicletype.setParameter("c", "maxSpeed", '4.00')
>>>>>>
>>>>>>
>>>>>> Print statements Output is as follows:
>>>>>>
>>>>>> ('depth', '') #parameter name with empty string as value
>>>>>>
>>>>>> ('intensity', '')
>>>>>> ('maxSpeed', '')
>>>>>>
>>>>>>
>>>>>> -------------------------------------------------------------------------------------------------------
>>>>>>
>>>>>>
>>>>>> Note: There is no change reflected in the sumo-GUI.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Thanks and Regards
>>>>>>
>>>>>> Shantanu Phanse
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> sumo-dev mailing list
>>>>>> sumo-dev@eclipse.org
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>>>>>> https://www.eclipse.org/mailman/listinfo/sumo-dev
>>>>>>
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