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[sumo-user] Clarification on output of E1 detectors in mesoscopic simulation

Dear all, 

I am trying to calibrate a SUMO scenario that uses mesoscopic simulation (—mesosim). I came across the following in the Documentation for the mesoscopic simulation:

  • No lane specific output is possible.

I have two questions related to this?

First, why is it that the lane-based outputs are not possible here? Is it because that the lane-level simulation resolution is lost in the mesoscopic simulation?

Second, are outputs from the E1detectors (loop detectors) for a mesoscopic simulation are also edge-based. Because I observed that all the lanes of a specific edge have equal outputs (see output snippet below), this seems likely, but I think it is better to confirm. 

<interval begin="18000.00" end="18900.00" id="e1Detector_108626246_0" sampledSeconds="202.39" density="2.45" laneDensity="0.82" occupancy="0.41" waitingTime="0.00" timeLoss="10.79" speed="20.90" departed="0" arrived="0" entered="46" left="46"/>
<interval begin="18000.00" end="18900.00" id="e1Detector_108626246_1" sampledSeconds="202.39" density="2.45" laneDensity="0.82" occupancy="0.41" waitingTime="0.00" timeLoss="10.79" speed="20.90" departed="0" arrived="0" entered="46" left="46"/>
<interval begin="18000.00" end="18900.00" id="e1Detector_108626246_2" sampledSeconds="202.39" density="2.45" laneDensity="0.82" occupancy="0.41" waitingTime="0.00" timeLoss="10.79" speed="20.90" departed="0" arrived="0" entered="46" left="46"/>

Apologies, if a similar question has been asked before, could you please link me to that thread.

Thanks for your time.

Best Regards
-

Vishal Mahajan, M. Sc.

Technical University of Munich (TUM)
TUM School of Engineering and Design (ED)
Department of Mobility Systems Engineering
Chair of Transportation Systems Engineering (TSE)

vishal.mahajan@xxxxxx
https://www.mos.ed.tum.de/en/tse/home/


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