You can let multiple detectors write to the same file. Their outputs are still distinguishable by the detector id in the data elements.
2018-08-18 11:46 GMT+02:00 Ei Ei Mon <eieimonimce...@gmail.com>: > 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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