You can find cadyts input files in https://github.com/eclipse/sumo/tree/master/tests/tools/assign/calibration If you put together a simple input example where flowrouter fails I can take a look.
regards, Jakob Am Do., 21. März 2019 um 16:10 Uhr schrieb Kevin Malena < [email protected]>: > Thank you for your answer Jakob. > > > > Obviously I do know that this problem is highly underderminated and > complex, but even for just single examplary routes flowrouter (and > especially it’s the respect-zero function) doesn’t really do what I want it > to. > > In combination with the calibrators it works pretty well, but I thought > there could be a more elegant solution which I don’t see because I am very > new to SUMO. > > > > Maybe u or someone else can explain me how to create a <REALFLOWS>-file in > cadytsIterate.py because i wanna give it a try just to compare the results. > > The <REALFLOWS>-file has to be a XML-file in form of: > > <measurements> > > <singlelink link="1to21" start="25200" end="32400" value="750" > stddev="8" type="COUNT_VEH"/> > > <singlelink link="1to22" start="25200" end="32400" value="250" > stddev="8" type="COUNT_VEH"/> > > </measurements> > > > > > > I converted my detector data to the following format which is compatible > for flowrouter: > > > > Detector;Time;qPKW;vPKW > > Detektor_Nummer_16_unten;0;2;10 > > Detektor_Nummer_1_unten;1;1;11 > > Detektor_Nummer_11_unten;2;2;13 > > Detektor_Nummer_2_unten;0;3;9 > > Detektor_Nummer_8_unten;0;2;10 > > Detektor_Nummer_13_oben;1;1;12 > > Detektor_Nummer_7_oben;1;2;12 > > … > > > > With help of the additional file I can also figure out the lane and exact > position of those defined detectors. > > > > I suppose the <REALFLOWS>-file in cadytsIterate.py uses aggregated data > for the time span start to end on the different lanes, but I am not sure. > > > > Thanks & Cheers, > > > > Kevin > > > > > > > > *Von:* [email protected] [mailto:[email protected]] > *Im Auftrag von *Jakob Erdmann > *Gesendet:* Donnerstag, 21. März 2019 13:44 > *An:* Sumo project User discussions > *Betreff:* Re: [sumo-user] Validation of detected data > > > > The problem flowrouter has to solve in a city network is strongly > underdetermined. There are plenty of knobs and dials to improve the result > (among other things you can forbid explicit routes O/D-pairs. > > You could also try cadyts which adapts demand levels to detectors for a > pre-determined set of routes: > > https://people.kth.se/~gunnarfl/cadyts.html > > https://sumo.dlr.de/wiki/Contributed/Cadyts > > > https://www.researchgate.net/publication/318418803_SUMO-Cadyts_calibration_with_limited_data_quality > > > > regards, > > Jakob > > > > > > Am Mi., 20. März 2019 um 13:21 Uhr schrieb Kevin Malena < > [email protected]>: > > Hey… > > > > I want to validate detected data in a sumo network of my city (at > different spots i placed sensors to detect every incoming and outgoing > vehicle with speed, arrival time and type). > > I triedto use flowrouter, but the generated routes don’t really fit the > data. > > Right now I implement a combination of the generated routes and flows by > flowrouter with the ‚dynamic‘ calibrators using route probes (see docu: > Building a scenario without knowledge of routes, based on flow > measurements). > > Do you know about a different method like flowrouter which is more precise? > > > > Thanks, > > Kevin > > _______________________________________________ > sumo-user mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user > > _______________________________________________ > sumo-user mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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