Re: [sumo-user] Lane Changing - Vehicles always stay right

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

Hello Jan,

you probably should check how eWorld maps edge type on edge attributes. If you find this, you probably can avoid setting the speed for every ramp manually and instead change the type's default.

sincerely,
Daniel


> -----Ursprüngliche Nachricht-----
> Von: "Jan Wedel" <bod...@gm...>
> Gesendet: 18.06.09 15:08:11
> An: Daniel Krajzewicz <d.k...@we...>
> Betreff: Re: [sumo-user] Lane Changing - Vehicles always stay right


> Hi Daniel,
> 
> thanks, I should have thought about this by myself ;) I checked the  
> connections before and they were OK. But indeed, the problem was that  
> the ramps had an equal or sometimes higher max speed (36m/s). So I  
> need to manually search and edit all ramp edges. Now its working, they  
> stay on the highway!
> 
> Cheers,
> Jan
> 
> Am 18.06.2009 um 11:30 schrieb Daniel Krajzewicz:
> 
> > Hello Jan,
> >
> > you have to
> >
> > a) check whether lane-to-lane connections are as the should be in  
> > reality (open the network in guisim, then choose the "colowheel", go  
> > to the nodes-tabs and check "show lane to lane connections"). You  
> > know, each lane should be connected to the following. Normally, no  
> > major work is needed on highways, but I am not ure about eWorld's  
> > OSM import capabilities.
> >
> > b) If vehicles are leaving the network on off-ramps, just to get  
> > back there, it seems as they would be "faster" than the plain  
> > highway. May be due to 1) higher vmax for on/off-ramps than for the  
> > highway or 2) smaller length of the off-ramps. I would try to reduce  
> > the ramps' speeds.
> >
> > sincerely,
> > Daniel
> >
> >
> >
> >> -----Ursprüngliche Nachricht-----
> >> Von: "Bodo Kast" <bod...@gm...>
> >> Gesendet: 17.06.09 16:16:39
> >> An: sum...@li...
> >> Betreff: [sumo-user] Lane Changing - Vehicles always stay right
> >
> >
> >> Hi,
> >>
> >> I just imported a map of a part of a highway from OSM. Then I jsut
> >> created some simple routes using a flow definition advising the  
> >> vehicle
> >> to just start at one position on the highways and drive to its end.
> >>
> >> Now I just visualized the simulation using guisim and found out, that
> >> vehicles always stay right even if there are four lanen. But even  
> >> worse,
> >> they always leave the highway on off-ramps, cross the intersaection  
> >> and
> >> immediately  come back using the next on-ramp. I used eWorld to  
> >> import
> >> from OSM and export to SUMO and the duarouter last svn build  from  
> >> today.
> >>
> >> What can I do to make them stay on the highway?
> >>
> >> Thanks,
> >>
> >> Jan
> >>
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