The first parameter is ignored when subscribing to simulation context.
Please also be aware of https://github.com/eclipse/sumo/issues/12306
Am Di., 13. Dez. 2022 um 13:09 Uhr schrieb Matthew Jones <
matthew.jo...@rfpro.com>:
> Hello,
>
> I am trying to debug some simulation problems, from C++ code.
> Our main class is
> class TrafficModel : public TraCIAPI
> and in its constructor we have this, which works:
> mStartTime = simulation.getTime();
> mDeltaTime = simulation.getDeltaT();
> however, if I call
> simulation.getIDCount();
> or
> simulation.getIDList();
> they block and the application freezes.
>
> What I am actually trying to do is
> const std::vector<int> varsSimulation{
> libsumo::VAR_TELEPORT_STARTING_VEHICLES_NUMBER,
> libsumo::VAR_TELEPORT_STARTING_VEHICLES_IDS,
> libsumo::VAR_TELEPORT_ENDING_VEHICLES_NUMBER,
> libsumo::VAR_TELEPORT_ENDING_VEHICLES_IDS,
> libsumo::VAR_ARRIVED_VEHICLES_NUMBER,
> libsumo::VAR_ARRIVED_VEHICLES_IDS,
> };
>
> simulation.subscribeContext("", libsumo::CMD_GET_SIM_VARIABLE, 99999,
> varsSimulation, 0, 999999999);
>
> but this also blocks, so I was trying to work out what to pass for the
> first parameter to subscribeContext.
>
> Obviously I'm doing something wrong but I can't work out what it is!
> I couldn't find anything in the documentation about what the first
> parameter for subscribeContext means when we are dealing with the
> simulation scope.
> Are there restrictions on when any of these methods can be called?
>
> Thanks,
>
> Matthew.
>
>
>
>
>
>
> *Matthew Jones *
> Senior Software Engineer
> rFpro Limited
>
> E: matthew.jo...@rfpro.com
> W: www.rFpro.com
>
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