Thank you Jacob.

I think we are going to use the default scale value then and in the future
we will make some adjustments based on the results we obtain.
Another question that arises is how is the scale factor applied, I mean,
how are the routes chosen? Is it completely random or are they distributed
evenly among the network?

Regards,

Abel


2014-01-29 Jakob Erdmann <[email protected]>:

> Hello,
> the scale factor is a stopgap measure to work around problems with the
> network quality. The list of quality issues can be found here:
> http://sumo-sim.org/wiki/Data/Scenarios/TAPASCologne#Quality
> With higher scale values the scenario simply jammed. The value where this
> occurs may be a bit higher now due to improvements in the lane-changing and
> car-following models. We hope to do a new release eventually but any
> improvements from our side are most likely going to be in the area of
> automated network improvement. However, from our experience scenarios
> always need some hand-tuning to run well and nobody is doing it (and
> sharing their work) as far as we know.
> regards,
> Jakob
>
>
> 2014-01-28 Abel Hanks <[email protected]>
>
>> Hello,
>>
>> we are using the TAPAS Cologne scenario for our work on routing
>> algorithms.
>> We have found that the sumo config file that comes with the scenario has a
>> default scale factor of 0.3.
>>
>> We would like to know the aim of that specific value. Is there some
>> calibration process according to the network file detail? We get a lot of
>> teleporting if we use scale 1.0, but we would like to use the most
>> realistic dataset.
>>
>> Thank you,
>>
>> Abel
>>
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