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
>>
>>
>>
>>
>>
>>
>>
>>
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