Re: [sumo-user] Output (files) values from TraCI

[Lara Codeca <lara.codeca@xxxxxxxxx>]

Thank you, Jakob.

I'm going to try to use the sockets option. Are there examples? I
cannot find any. Is the format exactly like the XML file?

Thank you again,
Lara

On Fri, Sep 27, 2019 at 8:03 PM Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:
>
> Hello Lara,
> It wouldn't be too difficult to retrieve data from the tripinfo- and vehroute-device by extending the vehicle.getParameter API (https://sumo.dlr.de/docs/TraCI/Vehicle_Value_Retrieval.html#supported_device_parameters)
> However, your requirement to get these values when the vehicle exits the simulation is hard to achieve because this also triggers cleanup of the devices.
> I think the easiest way to get these values at runtime is supply a socket address instead of an output file for each of these output options and then have your script read from these sockets. (https://sumo.dlr.de/docs/Basics/Using_the_Command_Line_Applications.html#writing_files)
>
> regards,
> Jakob
>
>
> Am Fr., 27. Sept. 2019 um 19:39 Uhr schrieb Lara Codeca <lara.codeca@xxxxxxxxx>:
>>
>> Dear All,
>>
>> I need to retrieve the same info that can be dumped in the following files:
>> * https://sumo.dlr.de/docs/Simulation/Output/TripInfo.html
>> * https://sumo.dlr.de/docs/Simulation/Output/VehRoutes.html
>> * https://sumo.dlr.de/docs/Simulation/Output/StopOutput.html
>>
>> but I need it to be done during the simulation when the vehicle/person
>> exits the simulation.
>> Is there a way to do it using TraCI without having to subscribe to all
>> the vehicles+people and compute them all by myself? This solution
>> would not scale, and I need like to keep consistency with sumo for all
>> the retrievable stats. For example, the timeLoss must be the same in
>> the sumo output and in my results.
>>
>> Any Ideas? I cannot find any API that would help me in doing this, but
>> I'm willing to try to implement new ones if it's feasible.
>>
>> All the Best,
>> Lara
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