This could be caused by re-labeling of the nodes from the order of their first appearance in the trace file. To avoid re-labeling use the traceExporter option --orig-ids (but make sure that all vehicles have numerical ids then). regards, Jakob
2017-09-18 23:19 GMT+02:00 Fatma Marzouk <[email protected]>: > Thank you for your answer. > > It is strange but just by changing the simulation start time of the ns3 > application the distance is now respecting the order. > > It seems that by choosing a later simulation time as I was doing the > vehicles order is no more respected. > > Regards > > Fatma > ᐧ > > 2017-09-18 22:05 GMT+02:00 Jakob Erdmann <[email protected]>: > >> Please send a timestep from the fcd file that corresponds to this >> situation. >> regards, >> Jakob >> >> 2017-09-18 18:02 GMT+02:00 Fatma Marzouk via sumo-user < >> [email protected]>: >> >>> Hello, >>> >>> >>> I was trying to have vehicles running with a constant speed and a fixed >>> intervehicle gap with the vehicle 0 is the leader and 5 others vehicles >>> following it in respect to their ID order. I followed the steps in here >>> <https://sourceforge.net/p/sumo/mailman/message/36036344/> >>> and could see in sumo-gui that the vehicle gap is fixed and quite small. >>> >>> The problem is that when I export the trace to ns2mobility format and run >>> an application in ns3 that computes the distance between node 0 and the >>> others nodes, I see that node 2 is much more closer to the node 0 than >>> node >>> 1 which is not the case in sumo-gui where vehicles are moving in the good >>> order. >>> >>> Note : I use sumo-0.24.0 and after using the command traceExporter.py >>> --fcd-input trip.xml --ns2mobility-output mobility.tcl -b 0 -e 3000 >>> I get the ns2 tracefile where I change node (0.x)--> node (x). >>> >>> Can someone please help know the reason of that ? >>> >>> Best Regards >>> >>> Fatma MARWOUK >>> ᐧ >>> ------------------------------------------------------------ >>> ------------------ >>> 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 >>> >> >> >
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