Hello,
I have a simple singular 2-lane road network. Currently, I have set the
lateral-resolution parameter to 3.2 (same as default lane width?) in my
SUMO configuration file:
<processing>
> <collision.action value="warn"/>
> <collision.mingap-factor value="0.0"/>
> <collision.check-junctions value="true"/>
> <time-to-teleport value="-1" />
>
> * <lateral-resolution value="3.2" />* </processing>
>
to activate the sublane model. From
https://sumo.dlr.de/docs/Simulation/SublaneModel.html , "*The lane-changing
model SL2015 is automatically used when enabling the sublane model.*"
I want a particular learning model to be able to set the lane-changing
parameters of vehicles in a flow with the hope that SUMO lane-changing
behavioural variables will display a difference in the behaviour.
I have found that the way to control these parameters (example) is using
something like
> traci.vehicle.setParameter(objID='f.0',
> param="laneChangeModel.lcStrategic", value=str(1.0))
>
So the param can be any attribute used here from
https://sumo.dlr.de/docs/Definition_of_Vehicles%2C_Vehicle_Types%2C_and_Routes.html#lane-changing_models
by the SL2015 lane-changing model. But when I try to use all the parameters
that are supported by SL2015 model, I get an error like
Traceback (most recent call last):
> File "run.py", line 69, in <module>
> traci.vehicle.setParameter(objID=vh,
> param="laneChangeModel.minGapLat", value=str(0.6))
> File "/usr/share/sumo/tools/traci/domain.py", line 220, in setParameter
> self._connection._sendExact()
> File "/usr/share/sumo/tools/traci/connection.py", line 108, in _sendExact
> raise TraCIException(err, prefix[1], _RESULTS[prefix[2]])
> traci.exceptions.TraCIException: Vehicle 'ghost' does not support
> laneChangeModel *parameter 'laneChangeModel.minGapLat' (Setting parameter
> 'minGapLat' is not supported for laneChangeModel of type 'SL2015')*.
>
When I comment that out, it jumps to the same error but for another one of
the attributes. Am I doing something wrong here, or have I understood
something incorrectly? I would appreciate any clarity on the matter.
Thank you.
Sincerely,
Hriday
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