thanks Jakob. Best, Hao
> On Nov 21, 2019, at 01:54, Jakob Erdmann <[email protected]> wrote: > > A routeID is the name for a list of edges and must be registered first: > traci.route.add("route0", ["E3D3","D3C3"]) > traci.vehicle.add("vehicle0", "route0") > >> Am Do., 21. Nov. 2019 um 07:24 Uhr schrieb Hao Zhou <[email protected]>: >> Hey Jakob, I tried the following simple test but it failed, I don't see why >> it happens. >> >> veh_id = 0 >> route_ID = str(["E3D3","D3C3",]) >> traci.vehicle.add(str(veh_id),route_ID) >> >> File "/home/hao/sumo/tools/traci/connection.py", line 105, in _sendExact >> raise TraCIException(err, prefix[1], _RESULTS[prefix[2]]) >> traci.exceptions.TraCIException: Invalid route '['E3D3', 'D3C3']' for >> vehicle '0'. >> >> Could you help explain? >> >> Thank you, >> Hao >> >>> On November 19, 2019 at 1:55 PM, Jakob Erdmann <[email protected]> >>> wrote: >>> >> >>> Hello, >>> you can call traci.vehicle.add repeatedly with the same routeID. just make >>> sure to use a new vehicleID every time. >>> Alternatively, you could call sumo with option --scale to easily scale the >>> amount of traffic up or down. >>> >>> regards, >>> Jakob >>> >>>> Am Mo., 18. Nov. 2019 um 22:19 Uhr schrieb Hao Zhou >>>> <[email protected]>: >>>> Hi all, >>>> >>>> I want to keep generating vehicles until the network reaches a certain >>>> density level. I know sumo has the option to give a limit on the number of >>>> vehicles, which is one of the options. But do there exist better >>>> approaches? >>>> I want to do multiple experiments with different density levels, so it >>>> would be best if I can do it in a loop with traCI. >>>> I tried traci.vehicle.add, and found an old question says that route id >>>> cannot be repeated. >>>> In a word, how can I use traci to generate flow until we reach our desired >>>> density? >>>> >>>> Thank you in advance, >>>> Hao >>>> _______________________________________________ >>>> sumo-user mailing list >>>> [email protected] >>>> To change your delivery options, retrieve your password, or unsubscribe >>>> from this list, visit >>>> https://www.eclipse.org/mailman/listinfo/sumo-user >>> >>> _______________________________________________ >>> sumo-user mailing list >>> [email protected] >>> To change your delivery options, retrieve your password, or unsubscribe >>> from this list, visit >>> https://www.eclipse.org/mailman/listinfo/sumo-user >> _______________________________________________ >> sumo-user mailing list >> [email protected] >> To change your delivery options, retrieve your password, or unsubscribe from >> this list, visit >> https://www.eclipse.org/mailman/listinfo/sumo-user > _______________________________________________ > sumo-user mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe from > this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user
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