Hello, in the meantime Q2 has been resolved. Using the latest svn version of sumo ([15994]) you can toggle between German and American overtaking rules using option --lanechange.overtake-right. Note that there are still a number of know issues even in the current lane changing model. You can find a list here: [ http://sumo-sim.org/trac.wsgi/query?status=accepted&status=assigned&status=new&status=reopened&component=microsim+-+lane+change&col=id&col=summary&col=status&col=type&col=priority&col=milestone&col=component&order=priority ]
regards, Jakob 2014-03-23 14:38 GMT+01:00 Jakob Erdmann <[email protected]>: > Hello, > regarding your questsions... > > Q1: putting two vehicles next to each other on the same lane is currently > not possible. There is a sumo version called SiMTraM writen by Indian > researchers which does this ( > http://www.civil.iitb.ac.in/~vmtom/SiMTraM_Web/html/index.html) but it > appears the project is inactive (at least the download links are broken). > Also, it is based on a very old version of SUMO so it can be expected to > contain a long list of issues which have since been fixed. > > Q2: there is a switch in the code in src/:microsim/MSLCM_LC2013.cpp > #define OVERTAKE_RIGHT_FORBIDDEN true. By setting this to false, > overtaking on the right will be possible. (We should probably turn this > into an option, see http://sumo-sim.org/trac.wsgi/ticket/1212) > > Q3: in my tests vehicles overtake on the left without slopping (I see a > small slowdown of 0.2m/s which maybe shouldn't be there but nothing > larger. Can you send input files that let us reproduce a simulation with > implausible behavior? > > best regards, > Jakob > > > 2014-03-21 12:43 GMT+01:00 Judhakitt Tirathumcharoen <[email protected]> > : > > Dear Sirs, >> >> >> My name is Judhakitt and I am studying post-master in ITS at Eurecom, >> France. >> I have been working on impact of motorcycle mobility by using SUMO in >> the past 4 months and supervised by Prof. Jerome Härri. >> At the moment, in my semester project (duration March-June 2014), the >> objective is to model the motorcycle mobility in SUMO and would like >> to ask you for suggestions. >> >> (Remark: "overtaking vehicle" in this case means motorcycle) >> >> Q1) Is it possible to put more than one vehicle (for example vehicle >> type is motorcycle, half-width, and length of passenger car) in the >> same lane at the same time? >> Some research papers show that up to 3 motorcycles can be on the same >> lane at the same time in the real world. What I have tried to model >> before was to create virtual sub-lane only for motorcycle (cars are >> not allowed), and another lane for car and motorcycle. However there >> can just only be 2 motorcycles at the same position (one in sub-lane, >> and one car/or one motorcycle in the normal lane). >> >> Q2) Are there any possibility to let vehicle on left lane to overtake >> on the right lane? >> I have noticed that a vehicle cannot overtake on the right side. For >> example there are 2 lanes on the same direction (called left and right >> lane). If one vehicle suddenly stops on the left lane, the following >> vehicles are stopping and queuing up, but they do not overtake to the >> right. >> I discuss with Prof. Härri and he told me that SUMO blocks this by >> law. There should be some part in source code that allows vehicle to >> overtake on the right side. >> >> Q3) Why a vehicle stops at a static obstacle, without simple >> overtaking continuously? >> For example, there are 2 lanes, right and left. A car (or any vehicle) >> stops on the right lane for long time. (In this case, vehicles are >> allowed to overtake, not blocking by low). When the following vehicles >> approaching to this stopping car, they are stopping before trying to >> overtake. I try to simulate in different scenario with different >> speed, acceleration, but I never make the following vehicles overtake >> suddenly, continuously without stopping after the stopping car. >> >> >> Please kindly feedback or let me know if you need anything from my side. >> >> >> Best Regards, >> >> >> Judhakitt >> >> >> >> ------------------------------------------------------------------------------- >> This message was sent using EURECOM Webmail: http://webmail.eurecom.fr >> >> >> >> ------------------------------------------------------------------------------ >> Learn Graph Databases - Download FREE O'Reilly Book >> "Graph Databases" is the definitive new guide to graph databases and their >> applications. Written by three acclaimed leaders in the field, >> this first edition is now available. Download your free book today! >> http://p.sf.net/sfu/13534_NeoTech >> _______________________________________________ >> sumo-devel mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/sumo-devel >> > > ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. Written by three acclaimed leaders in the field, this first edition is now available. Download your free book today! http://p.sf.net/sfu/13534_NeoTech _______________________________________________ sumo-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sumo-devel
