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Re: [sumo-user] Import of large cities into sumo - congestions at junctions
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From: <glo...@al...> - 2009-06-26 10:39:43
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Hi George, I cannot find from where to download it..could you help me, please? Thanks! Gloria. George Dita <geo...@ya...> ha escrito: > Hi Christian, > > I had a similar problem and I was recommended to: > > http://sourceforge.net/projects/trafficmodeler/ > > It's a GUI that allows the editing of sumo maps. > > Hope it helps you too. > > George > > > > > ________________________________ > From: "Klotz, Christian (I/AEV-3)" <AEV...@AU...> > To: Daniel Krajzewicz <d.k...@we...>; sum...@li... > Sent: Friday, June 26, 2009 12:44:26 PM > Subject: Re: [sumo-user] Import of large cities into sumo - > congestions at junctions > > Hi Daniel, > > thanks a lot for the reply and the good suggestions. > > Yes, I really use SUMO Version 0.10.3 with Trans. I have updated the > Traci-Client in ns2 with big support of Axel Wegener from Uni > Luebeck, so that it works with SUMO Version 0.10.3 and not only with > the old SVN r5499 release. But up to now the new Traci-Client > supports only the Traci-CMDs, I need. > > To the problems: > - the junctions are not correctly build: > --> Therefore I think, the best solution would be a kind of > graphical editor for the sumo networks. Of course, this is not a > fast and easy solution, but would help definitely. > > > - the traffic light programs are not correctly generated: > --> I will try to update Sumo to the latest SVN version and I hope > my traci-client in ns2 works also with this version. > Then I will try to use the option --try-join-tls in netconvert and > compare the results. > > Kind regards, > > Christian > > -----Ursprüngliche Nachricht----- > Von: Daniel Krajzewicz [mailto:d.k...@we...] > Gesendet: Donnerstag, 25. Juni 2009 22:11 > An: Klotz, Christian (I/AEV-3); sum...@li... > Betreff: Re: [sumo-user] Import of large cities into sumo - > congestions at junctions > > Dear Christian, > >> -----Ursprüngliche Nachricht----- >> Von: "Klotz, Christian (I/AEV-3)" <AEV...@AU...> >> Gesendet: 24.06.09 10:27:36 >> An: <sum...@li...> >> Betreff: [sumo-user] Import of large cities into sumo - congestions >> at junctions > > >> Hello! >> >> I try to simulate a traffic scenario in the city of Ingolstadt for >> my bachelor thesis. >> I want to do some research about car-2-car communication and so I >> use Trans to connect Sumo and ns2. >> > > thanks for the information; a short note: TraNS is AFAIK not working > with recent SUMO versions. I do not think that major changes are > needed, but, though, they request a certain SVN-version of SUMO > (almost 2000 commits ago)... > > >> But now, I have a quite frustrating problem. >> There are congestions at nearly any complex junction with traffic >> lights. Even with only 2000 vehicles on the map! >> I have imported the map from OSM and use the SUMO Version 0.10.3. >> > > Yes, it is a known problem. > > >> There are two reasons for the congestion: >> - the junctions are not correctly build (see at >> http://www.bilder-hochladen.net/files/bi0s-1-png.html or >> http://www.bilder-hochladen.net/files/bi0s-2-png.html ) > > Aehh, I would rather negate. I haven't tried to edit a map > OSM-people are doing, but for me, this looks "over-detailed". What > is you opinion how this should look like? I suppose that have of the > edges within the junctions shown in both images are not needed (and > maybe even false) from both topological and geometrical point of > view. > Though, sure, if someone has a better idea how this should look > like, please let me know. Maybe it would already help to have a > viewer which shows such nodes in detail. > > >> - the traffic light programs are not correctly generated, for a >> junction which is connected to another junction (see >> http://www.bilder-hochladen.net/files/bi0s-3-png.html ). > > Yes, that was a SUMO-issue, but it's solved... In the current > SVN-version (I do not think that it already worked with 0.10.3) you > can give the option --try-join-tls to netconvert and it will, aeh, > try to join near-by tls. Works somehow, though it is still not > completely well for some pathological junctions. It would be nice if > we could share our observations using the following wiki-page: > http://sourceforge.net/apps/mediawiki/sumo/index.php?title=OpenStreetMapNetworkImport > > But: this is not the only SVN-change. Also the format of traffic > light has changed, so you have to use the same SVN version of SUMO. > Sorry. > > > >> In this case, vehicles blocks the other traffic at the junction. >> >> How can I improve the quality of the map easily? Of course, I can >> change every junction by hand and set TLS-Programs by hand. >> This solution is possible for a small map, but quite difficult for >> a map of a whole city. >> > > Yep, definitely. We have the same problem trying to prepare the > TapasCologne scenario... We'll keep on this topic, though besides > joining tls, there are other problems, such as not automatically > recognized roundabouts (will be probably implemented soon) and fast > right-turns (will probably not).. > > I am sorry we can not help too much. Maybe another idea: I know you > try to model Ingolstadt. Why? I mean - is it necessary? Do you have > the demand for it? If so, sure go ahead. If not, I would rather > forget it. I would then move to the TAPASCologne scenario. > > sincerely, > Daniel > > >> Thanks a lot for every helpful idea ! >> >> Kind regards >> >> Christian Klotz >> Funktions- und Vorentwicklung >> >> Audi Electronics Venture GmbH >> I/AEV-3 >> Sachsstraße 18 >> 85080 Gaimersheim >> >> mailto:AEV...@au... >> www.audi.com >> >> Sitz/Domicile: Ingolstadt >> Registergericht/Court of Registry: Amtsgericht Ingolstadt >> HRB Nr./Commercial Register No.: 3083 >> Geschäftsführer/Managing Directors: Walter Streit >> >> Wichtiger Hinweis: Die vorgenannten Angaben werden jeder E-Mail >> automatisch hinzugefügt und lassen keine Rückschlüsse auf den >> Rechtscharakter der E-Mail zu. >> >> Important Notice: The above information is automatically added to >> this e-mail. This addition does not constitute a representation >> that the content of this e-mail is legally relevant and/or is >> intended to be legally binding upon Audi Electronics Venture GmbH. >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> sumo-user mailing list >> sum...@li... >> https://lists.sourceforge.net/lists/listinfo/sumo-user >> > > > ______________________________________________________ > GRATIS für alle WEB.DE-Nutzer: Die maxdome Movie-FLAT! > Jetzt freischalten unter http://movieflat.web.de > > > ------------------------------------------------------------------------------ > _______________________________________________ > sumo-user mailing list > sum...@li... > https://lists.sourceforge.net/lists/listinfo/sumo-user > > > > > ------------------------------------------------------------------------------ > _______________________________________________ > sumo-user mailing list > sum...@li... > https://lists.sourceforge.net/lists/listinfo/sumo-user > |
