Hello, it's a discretized quadratic bezier curve. By default, the curve is approximated by 4 straight-line segments. see src/netbuild/NBNode.cpp:computeSmoothShape(). The geometry is also stored in the .net.xml file. See http://sumo.dlr.de/wiki/Networks/SUMO_Road_Networks#Internal_Edges
regards, Jakob 2016-04-07 13:29 GMT+02:00 Bing Liu <[email protected]>: > Hello, > > I'm working on an autonomous intersection management algorithm using SUMO > 0.24. > > In order to avoid any collision between vehicles, I need to know the > accurate positions of vehicles. > > When I plot the trajectory of vehicle turning left and right, I find it is > not a quarter circle. > > Could you tell me the analytical expression of vehicles turning left and > right using in SUMO? > > Best regards > > LIU Bing > > ------------------------------------------------------------------------------ > _______________________________________________ > sumo-user mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/sumo-user > ------------------------------------------------------------------------------ _______________________________________________ sumo-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sumo-user
