Dear , In my simulation, it has to write too many output files of e2 detectors . Now, I got the following error:
Error: Could not build output file 'output/e2Detector_L10256_1_6.txt' (Too many open files). Loading of additional-files failed. Quitting (on error). How should I fix it? On Sat, Aug 18, 2018 at 12:38 PM, Ei Ei Mon <eieimonimce...@gmail.com> wrote: > thanks for your time. I will try it again. > > On Fri, Aug 17, 2018 at 8:18 PM, Jakob Erdmann <namdre.s...@gmail.com> > wrote: > >> the value of SUMO_HOME cannot be a list of directories as it is in your >> case. >> Make sure it points to the directory that contains the 'tools' folder. >> Explanation: the traci script looks for traci in $SUMO_HOME/tools >> >> 2018-08-17 11:28 GMT+02:00 Ei Ei Mon <eieimonimce...@gmail.com>: >> >>> Dear, >>> >>> Now I got the unexpected error: No module named traci. >>> >>> I set up the sumo path as the following: >>> >>> PATH=$PATH:$HOME/ .local/bin:$HOME/bin >>> export SUMO_HOME=/usr/lib/sumo:/usr/share/sumo >>> export PATH=/usr/sbin:$PATH >>> export PATH=$SUMO_HOME/bin:$PATH:$SUMO_HOME/tools:$PATH >>> export PATH >>> >>> I changed sumo version a few days ago. How can I fix it? >>> >>> On Tue, Aug 14, 2018 at 3:48 PM, Ei Ei Mon <eieimonimce...@gmail.com> >>> wrote: >>> >>>> yes, thank you. >>>> >>>> On Tue, Aug 14, 2018 at 3:03 PM, Jakob Erdmann <namdre.s...@gmail.com> >>>> wrote: >>>> >>>>> Your traci script is still using an old version of SUMO. Please update >>>>> the value of SUMO_HOME to point to the new version. >>>>> >>>>> 2018-08-10 12:58 GMT+02:00 Ei Ei Mon <eieimonimce...@gmail.com>: >>>>> >>>>>> Dear, >>>>>> >>>>>> According to your suggestion, I used the latest development version >>>>>> of SUMO.Currently, I got the following error. >>>>>> >>>>>> *traci.exceptions.TraCIException: Get Edge Variable: unsupported >>>>>> variable 0x52 specified * >>>>>> >>>>>> Could you give some suggestions? Thank you. >>>>>> >>>>>> >>>>>> >>>>>> On Thu, Aug 9, 2018 at 9:13 PM, Ei Ei Mon <eieimonimce...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> Yes. Thank you. >>>>>>> >>>>>>> On Thu, 9 Aug 2561 at 20:45 Jakob Erdmann <namdre.s...@gmail.com> >>>>>>> wrote: >>>>>>> >>>>>>>> This function is only available in the latest development version. >>>>>>>> You can get it here: http://sumo.dlr.de/wiki/Downlo >>>>>>>> ads#SUMO_-_Latest_Development_Version >>>>>>>> regards, >>>>>>>> Jakob >>>>>>>> >>>>>>>> 2018-08-09 14:05 GMT+02:00 Ei Ei Mon <eieimonimce...@gmail.com>: >>>>>>>> >>>>>>>>> Dear, >>>>>>>>> >>>>>>>>> When I use traci.edge.getLaneNumber(edgeID), I got the following >>>>>>>>> error. >>>>>>>>> >>>>>>>>> AttributeError: EdgeDomain instance has no attribute >>>>>>>>> 'getLaneNumber' >>>>>>>>> >>>>>>>>> How can I fix it? Thank you in advance. >>>>>>>>> >>>>>>>>> On Fri, Aug 3, 2018 at 2:01 PM, Ei Ei Mon < >>>>>>>>> eieimonimce...@gmail.com> wrote: >>>>>>>>> >>>>>>>>>> Thank you very much. >>>>>>>>>> >>>>>>>>>> On Fri, Aug 3, 2018 at 1:51 PM, Jakob Erdmann < >>>>>>>>>> namdre.s...@gmail.com> wrote: >>>>>>>>>> >>>>>>>>>>> Hello, >>>>>>>>>>> I've run my own test and looked at the code again: >>>>>>>>>>> The way sumo is currently implemented you will never see a >>>>>>>>>>> duplicate ID. >>>>>>>>>>> This is because the detectors in SUMO effectivly detect only the >>>>>>>>>>> center line of a vehicle rather than its whole width. >>>>>>>>>>> Even during a continuous lane change, the vehicle's center line >>>>>>>>>>> is always just on one lane or the other. >>>>>>>>>>> Other vehicles coming from behind will perceive the whole width >>>>>>>>>>> but detectors do not. >>>>>>>>>>> >>>>>>>>>>> regards, >>>>>>>>>>> Jakob >>>>>>>>>>> >>>>>>>>>>> 2018-08-03 7:00 GMT+02:00 Ei Ei Mon <eieimonimce...@gmail.com>: >>>>>>>>>>> >>>>>>>>>>>> Dear, >>>>>>>>>>>> >>>>>>>>>>>> May I ask again for my problem. Now I use --step-length and >>>>>>>>>>>> --lanechange.duration together. By using --lanechange.duration >>>>>>>>>>>> option, I >>>>>>>>>>>> think I can get duplicate vehicle ids that use lane changing on two >>>>>>>>>>>> neighboring lanes. Is it making sense? Now I didn't get any >>>>>>>>>>>> duplicate ids. >>>>>>>>>>>> It should be or not? >>>>>>>>>>>> >>>>>>>>>>>> Thank you very much. >>>>>>>>>>>> >>>>>>>>>>>> with best regards, >>>>>>>>>>>> >>>>>>>>>>>> On Thu, Aug 2, 2018 at 2:43 PM, Ei Ei Mon < >>>>>>>>>>>> eieimonimce...@gmail.com> wrote: >>>>>>>>>>>> >>>>>>>>>>>>> Thank you. I will check with sublane model. In my case, I >>>>>>>>>>>>> would like to detect the duplicate vehicle ids from lane area >>>>>>>>>>>>> detectors at >>>>>>>>>>>>> the same time step. According to your suggestions, I think I can >>>>>>>>>>>>> detect the >>>>>>>>>>>>> ids from detectors on two neighboring lanes. I will try it. >>>>>>>>>>>>> >>>>>>>>>>>>> On Thu, Aug 2, 2018 at 1:47 AM, Jakob Erdmann < >>>>>>>>>>>>> namdre.s...@gmail.com> wrote: >>>>>>>>>>>>> >>>>>>>>>>>>>> Step-length does not make a difference in the default model >>>>>>>>>>>>>> because lane-changes are instantaneous regardless of the >>>>>>>>>>>>>> step-length. This >>>>>>>>>>>>>> means you will never see the vehicle on two neighboring >>>>>>>>>>>>>> detectors in the >>>>>>>>>>>>>> same time step. >>>>>>>>>>>>>> To get continuous lane changes you can enable another model: >>>>>>>>>>>>>> http://sumo.dlr.de/wiki/Simulation/SublaneModel >>>>>>>>>>>>>> Do you need the double detection directly for your project or >>>>>>>>>>>>>> are they a means to accomplish something else? In that case >>>>>>>>>>>>>> there may be >>>>>>>>>>>>>> other ways to accomplish your objective. >>>>>>>>>>>>>> >>>>>>>>>>>>>> 2018-08-01 13:15 GMT+02:00 Ei Ei Mon < >>>>>>>>>>>>>> eieimonimce...@gmail.com>: >>>>>>>>>>>>>> >>>>>>>>>>>>>>> Thank you, dear. >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> I checked with different values for --step-length like 0.1, >>>>>>>>>>>>>>> 0.01, 0.001. But I don't get duplicate ids. I think that we can >>>>>>>>>>>>>>> get >>>>>>>>>>>>>>> duplicate vehicle ids because some vehicles changed lanes in >>>>>>>>>>>>>>> gui what I >>>>>>>>>>>>>>> saw. >>>>>>>>>>>>>>> How should I check it? Thank you in advance. >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> On Tue, Jul 31, 2018 at 9:47 PM, Jakob Erdmann < >>>>>>>>>>>>>>> namdre.s...@gmail.com> wrote: >>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> When a vehicle changes lanes it is only registered on the >>>>>>>>>>>>>>>> new lane in that time step. To register lane changes using >>>>>>>>>>>>>>>> lanearea >>>>>>>>>>>>>>>> detectors you need to monitor multiple steps. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 2018-07-31 15:18 GMT+02:00 Ei Ei Mon < >>>>>>>>>>>>>>>> eieimonimce...@gmail.com>: >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Thank you for your reply. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> In my case, when I check simulation gui I saw some >>>>>>>>>>>>>>>>> vehicles change their lanes. But for that case, when I use >>>>>>>>>>>>>>>>> traci.lanearea.getLastStepVehicleIDs(), I got no >>>>>>>>>>>>>>>>> duplicate vehicle ids from all lanes. >>>>>>>>>>>>>>>>> How should I check? >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Thank you. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> On Tue, 31 Jul 2561 at 17:21 Jakob Erdmann < >>>>>>>>>>>>>>>>> namdre.s...@gmail.com> wrote: >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> 1) use sumo option --step-length SECONDS >>>>>>>>>>>>>>>>>> 2) what kind of duplication are you interested in? Please >>>>>>>>>>>>>>>>>> explain with an example. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> 2018-07-31 11:30 GMT+02:00 Ei Ei Mon < >>>>>>>>>>>>>>>>>> eieimonimce...@gmail.com>: >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Thank you, dear. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Now, I would like to know how to change the simulation >>>>>>>>>>>>>>>>>>> time step in SUMO. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> In my case, I set up lane area (e2) and MeMe (e3) >>>>>>>>>>>>>>>>>>> detectors in the same area. For that case, I set up lane >>>>>>>>>>>>>>>>>>> area detectors on >>>>>>>>>>>>>>>>>>> all lanes to cover for all lanes. In this case, I would >>>>>>>>>>>>>>>>>>> like to check the >>>>>>>>>>>>>>>>>>> duplicate vehicle ids from tracking the lane area >>>>>>>>>>>>>>>>>>> detectors. Could you give >>>>>>>>>>>>>>>>>>> any suggestions? >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Thank you in advance. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> with best regards, >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> On Fri, Jul 27, 2018 at 7:11 PM, Jakob Erdmann < >>>>>>>>>>>>>>>>>>> namdre.s...@gmail.com> wrote: >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> Hello, >>>>>>>>>>>>>>>>>>>> SUMO automatically tracks accidents. See >>>>>>>>>>>>>>>>>>>> http://sumo.dlr.de/wiki/Simulation/Safety#Collisions >>>>>>>>>>>>>>>>>>>> In the latest development verion of SUMO ( >>>>>>>>>>>>>>>>>>>> http://sumo.dlr.de/wiki/Downl >>>>>>>>>>>>>>>>>>>> oads#SUMO_-_Latest_Development_Version) You can >>>>>>>>>>>>>>>>>>>> retrieve accident information by calling >>>>>>>>>>>>>>>>>>>> traci.simulation.getCollidingVehiclesIDList >>>>>>>>>>>>>>>>>>>> (http://sumo.dlr.de/wiki/ChangeLog#Enhancements). >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> regards, >>>>>>>>>>>>>>>>>>>> Jakob >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> 2018-07-23 14:15 GMT+02:00 Ei Ei Mon < >>>>>>>>>>>>>>>>>>>> eieimonimce...@gmail.com>: >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> Dear, >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> I would like to get some suggestions. In my case, I >>>>>>>>>>>>>>>>>>>>> would like to detect the car accident case on the lane by >>>>>>>>>>>>>>>>>>>>> using lane area >>>>>>>>>>>>>>>>>>>>> detectors. Which methods are the most suitable for that >>>>>>>>>>>>>>>>>>>>> by using traci? >>>>>>>>>>>>>>>>>>>>> Could you give me some suggestions. >>>>>>>>>>>>>>>>>>>>> Thank you in advance. >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>>>>>>>>>> sumo-user mailing list >>>>>>>>>>>>>>>>>>>>> sumo-user@eclipse.org >>>>>>>>>>>>>>>>>>>>> To change your delivery options, retrieve your >>>>>>>>>>>>>>>>>>>>> password, or unsubscribe from this list, visit >>>>>>>>>>>>>>>>>>>>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>>>>>>>>> sumo-user mailing list >>>>>>>>>>>>>>>>>>>> sumo-user@eclipse.org >>>>>>>>>>>>>>>>>>>> To change your delivery options, retrieve your >>>>>>>>>>>>>>>>>>>> password, or unsubscribe from this list, visit >>>>>>>>>>>>>>>>>>>> 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delivery options, retrieve your password, or >>>>>>>>>>> unsubscribe from this list, visit >>>>>>>>>>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> sumo-user mailing list >>>>>>>>> sumo-user@eclipse.org >>>>>>>>> To change your delivery options, retrieve your password, or >>>>>>>>> unsubscribe from this list, visit >>>>>>>>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>>>>> >>>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> sumo-user mailing list >>>>>>>> sumo-user@eclipse.org >>>>>>>> To change your delivery options, retrieve your password, or >>>>>>>> unsubscribe from this list, visit >>>>>>>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>>>> >>>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> sumo-user mailing list >>>>>> sumo-user@eclipse.org >>>>>> To change your delivery options, retrieve your 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