Re: [sumo-user] E3 Output meanHaltsPerVehicle

[Daniel K. <d.k...@we...>]

Hello Dirk,

... something completely different (see below);

> -----Ursprüngliche Nachricht-----
> Von: <dir...@pe...>
> Gesendet: 15.04.09 16:41:05
> An: sum...@li...
> Betreff: [sumo-user] E3 Output meanHaltsPerVehicle


> 
> Hi everybody,
> I do have problems again with Sumo.
> This time I was trying to use e3 detectors and to read the output file.
> The value meanHaltsPerVehicle should give me the average number of stops
> within this area as far as i unterstand.
> These values are far too high, even with only one traffic light in between
> I get e.g. values >30.
> Due to the tripinfo_output it's also not the mean waiting time.
> So, how do this values come about and how can i get information about the
> average number of stops, if possible at all?
> 

Each time a vehicle stands (for a second), this is counted as a stop, so the number of stops is rather "sum of simulation seconds with v=0 over all vehicles on the detector and the interval length".
So, if one vehicle waits 30s, 30 will be reported, but also if 30 vehicles are waiting 1s, each. I do not find this number too high. In the case you do not believe it, please send me the positions of your e3-detectors and I'll check this - and please tell me which scenario you use.


> Another point just by the way: Is there any possibility to get information
> about emissions and fuel consumptions without asking them every step via
> TraCI?
> Like in an aggregated output file?

Yes, I added a documentation on this:
http://apps.sourceforge.net/mediawiki/sumo/index.php?title=SUMO_OUTPUT_EDGELANE_HBEFA

and (for noise):

http://apps.sourceforge.net/mediawiki/sumo/index.php?title=SUMO_OUTPUT_EDGELANE_HARMONOISE

Comments are appreciated :-)

sincerely,
Daniel


> 
> Best Regards,
> Dirk Leistner
> 
> 
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