yes. traci.lane.getLength works for lanes of any edge.
2017-09-20 0:04 GMT+02:00 Do Duc Le <[email protected]>: > Is there a way to get the length of the internal edges and edges in > general in traci? > > > > *Von: *Jakob Erdmann <[email protected]> > *Gesendet: *Dienstag, 19. September 2017 23:30 > *An: *Do Duc Le <[email protected]> > *Cc: *Sumo project User discussions <[email protected]> > *Betreff: *Re: [sumo-user] How are position and velocity computed when > turningleft/right at intersections? > > > > The trajectory is a piece-wise poly-line based on a cubic spline between > the incoming and outgoing lanes, The number of line segments is set by the > netconvert option --junctions.internal-link-detail (default 5). > > > > 2017-09-19 17:27 GMT+02:00 Do Duc Le <[email protected]>: > > Hi Jakob, > > thank you very much. Can you tell me, how/with which formula the > x-y-position of each vehicle is computed (let's consider a cross > intersection where straight roads from north, west, south, east meet in the > middle)? For straight movement either x or y is incremented by the velocity > times timestep and the other variable stays the same, but how is it > actually done when the vehicle turns? Here both x and y changes. > > Best regards, > > Duc > > > > On 18.09.2017 21:29, Jakob Erdmann wrote: > > Hello, > > by default, vehicles drive on so-called "internal edges" while passing an > intersection. They follow the car follow model just as on normal > edges/lanes. You can see these edges when you disable the option "draw > junction shape" in the gui visualisation settings. Only if you have built > your network with the option --no-internal-links will vehicles "jump" over > intersections. > > regards, > > Jakob > > > > 2017-09-18 13:40 GMT+02:00 Do Duc Le via sumo-user < > [email protected]>: > > Hi, > > as the title says I'm interested in how the position of the vehicles are > computed when turning at an intersection/junction. I know SUMO follows the > car following model of Krauß and the position is computed as x(t + d t) = > x(t) + v(t + d t)d for straight movement , which I also confirmed by the > Traci function "traci.vehicle.getDistance( )". But I can't find any > information on how the position or distance of each vehicle is computed > when it turns left/right into another lane/edge (consider a simple cross > intersection). It seems like the vehicle disappears from the network when > it reaches the junction (at least it is not on any edge) and reappears if > it leaves the junction again. > > Does any of you know how those functions are computed? > > Best regards, > > Duc > > > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > sumo-user mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/sumo-user > _______________________________________________ > sumo-user mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/sumo-user > > > > > > > > > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > Virenfrei. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > <#m_-3878153154851633627_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> >
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