Hello, Thank you Jacob, but after having done the reduction of the initial junctions/edges to one artery, and the generation of the related net.xml, rou.xml and cfg files a new problem appeared. The simulation is running the traffic lights are changing but NO VEHICLES are inserted (note that the vehicles were specified in rou.file, and the junctions, checked manually using NETEDIT, appeared in the net.xml and rou.xml). Please tell what goes wrong and how to proceed to carry out the simulation of traffic on the artery. Should I delete not related junctions from the net in another way? Or some deleted junctions still exist in the mentioned files, and the routes cannot be passed over. No message error was displayed.
Best regards, Jerry ________________________________ Od: [email protected] <[email protected]> w imieniu użytkownika Jakob Erdmann <[email protected]> Wysłane: piątek, 20 marca 2020 22:42 Do: Sumo project User discussions <[email protected]> Temat: Re: [sumo-user] ODP: Traffic Assignment see https://sumo.dlr.de/docs/Simulation/Turnarounds.html Am Fr., 20. März 2020 um 17:38 Uhr schrieb Korczak Jerzy <[email protected]<mailto:[email protected]>>: Hello, I'm interested to simulate and analyze traffic on a main artery ( about 10 intersections, 3-4 lanes on an edge). To eliminate not related junctions and connections I had closed the edges out of the artery, leaving only the closest junctions to the artery. During simulation many traffic jams appeared because of vehicles trying to turn into the closed edges, and block others. Maybe I should cut/delete the junctions/edges in an another way? Thank you in advance for advice. Best regards, Jerry ________________________________ Od: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> w imieniu użytkownika behzad bamdad mehrabani <[email protected]<mailto:[email protected]>> Wysłane: piątek, 20 marca 2020 13:46 Do: Sumo project User discussions <[email protected]<mailto:[email protected]>> Temat: Re: [sumo-user] Traffic Assignment Thank you very much On Fri, Mar 20, 2020 at 12:57 PM Jakob Erdmann <[email protected]<mailto:[email protected]>> wrote: https://www.researchgate.net/publication/296846245_Comparison_of_User_Equilibrium_UE_and_System_Optimum_SO_Traffic_Assignment_Methods_for_Auto_Trips Am Fr., 20. März 2020 um 12:17 Uhr schrieb behzad bamdad mehrabani <[email protected]<mailto:[email protected]>>: Thank you very much. I would be happy if you could send me any document regarding how to change user equilibrium to system optimal algorithm. Regards, On Fri, Mar 20, 2020 at 11:42 AM Jakob Erdmann <[email protected]<mailto:[email protected]>> wrote: Correct. There is currently no tool in SUMO that would find the system optimum for you directly. However, you should be able to hook into the UE assignment iteration and swap out average travel times with your own estimate of marginal travel times to approach the SO as described in the literature. regards, Jakob Am Fr., 20. März 2020 um 11:19 Uhr schrieb behzad bamdad mehrabani <[email protected]<mailto:[email protected]>>: Dear Jakob, Thank you very much for your reply. I found only the User Equilibrium (UE) assignment, and there is no System Optimal (SO) Assignment, am I right? Regards, On Fri, Mar 20, 2020 at 10:48 AM Jakob Erdmann <[email protected]<mailto:[email protected]>> wrote: Hello, all the algorithms of SUMO are open source. (https://github.com/eclipse/sumo) The traffic assignment is chiefly done in a microscopic fashion (because SUMO is predominantly a microscopic simulation) but there also exists an application for macroscopic assignment. For details, see https://sumo.dlr.de/docs/Demand/Dynamic_User_Assignment.html regards, Jakob Am Do., 19. März 2020 um 12:28 Uhr schrieb behzad bamdad mehrabani <[email protected]<mailto:[email protected]>>: Hello Dear All, I would be happy if you could answer the following questions: 1. I want to run a macroscopic dynamic system optimal traffic assignment in which I can embed a criterion for the traffic assignment algorithm solution. Is it possible to do so in SUMO? -is the traffic assignment algorithms' source code available in SUMO? If so, How? Regards, -- Behzad Bamdad Mehrabani Ph.D. Candidate, UCLouvain, Faculty of Architecture, Architectural Engineering and Urban Planning, Tournai, Belgium https://uclouvain.be/en/directories/behzad.bamdad E-mails: [email protected]<mailto:[email protected]> [email protected]<mailto:[email protected]> cell: (+32) 497 29 22 14 _______________________________________________ sumo-user mailing list [email protected]<mailto:[email protected]> To unsubscribe from this list, visit https://www.eclipse.org/mailman/listinfo/sumo-user _______________________________________________ sumo-user mailing list [email protected]<mailto:[email protected]> To unsubscribe from this list, visit https://www.eclipse.org/mailman/listinfo/sumo-user -- Behzad Bamdad Mehrabani Ph.D. Candidate, UCLouvain, Faculty of Architecture, Architectural Engineering and Urban Planning, Tournai, Belgium https://uclouvain.be/en/directories/behzad.bamdad E-mails: [email protected]<mailto:[email protected]> [email protected]<mailto:[email protected]> cell: (+32) 497 29 22 14 _______________________________________________ sumo-user mailing list [email protected]<mailto:[email protected]> To unsubscribe from this list, visit https://www.eclipse.org/mailman/listinfo/sumo-user _______________________________________________ sumo-user mailing list [email protected]<mailto:[email protected]> To unsubscribe from this list, visit https://www.eclipse.org/mailman/listinfo/sumo-user -- Behzad Bamdad Mehrabani Ph.D. Candidate, UCLouvain, Faculty of Architecture, Architectural Engineering and Urban Planning, Tournai, Belgium https://uclouvain.be/en/directories/behzad.bamdad E-mails: [email protected]<mailto:[email protected]> [email protected]<mailto:[email protected]> cell: (+32) 497 29 22 14 _______________________________________________ sumo-user mailing list [email protected]<mailto:[email protected]> To unsubscribe from this list, visit https://www.eclipse.org/mailman/listinfo/sumo-user _______________________________________________ sumo-user mailing list [email protected]<mailto:[email protected]> To unsubscribe from this list, visit https://www.eclipse.org/mailman/listinfo/sumo-user -- Behzad Bamdad Mehrabani Ph.D. Candidate, UCLouvain, Faculty of Architecture, Architectural Engineering and Urban Planning, Tournai, Belgium https://uclouvain.be/en/directories/behzad.bamdad E-mails: [email protected]<mailto:[email protected]> [email protected]<mailto:[email protected]> cell: (+32) 497 29 22 14 _______________________________________________ sumo-user mailing list [email protected]<mailto:[email protected]> To unsubscribe from this list, visit https://www.eclipse.org/mailman/listinfo/sumo-user
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