[sumo-user] monitoring headway distances in simulation

[Richter Gerald <Gerald.Richter@xxxxxxxxx>]

Hi,

what is the best way to evaluate the headway distances over the course 
of a simulation run?
That supposes post-execution FCD is available, now I want to do my 
calculations.

* Do I have to store the lane info for each vehicle and group the FCD 
and search for the leading vehicle on the current lane?

* How is the situation on lane-change with/without sub-lanes, meaning: 
when does a leading vehicle start/stop to be a leading vehicle?

* Is there another way to get this data online (during the simulation run)?


thanks, regards
Gerald.