Hello, A useful indicator for congestion is the occupancy of an ede. If you need aggregated values (speed, occupancy, etc) you can query the momentary values every simulation step and average the values yourself. regards, Jakob
2013/11/12 hanene <[email protected]> > Hi, > > Thanks a lot for your prompt reply. > > So how can I mesure the congestion situation in the given edge using > traci ? > if using detector does not allow me to collect meanSpeed or current travel > time? > > Your helps is really apreciated > > > Cheers > > > On 12 November 2013 04:23, Jakob Erdmann <[email protected]>wrote: > >> Hello, >> there is currently no API call to get the detectors for an edge. You have >> to create such an association yourself (i.e. hardcoded in your program >> based on edge id and detecor id or possibly by parsing the detector >> definitions (which is difficult anyway because the mean speed of the >> entry-exit detector may not even be relevant for some of the covered edges). >> Besides, the TraCI API only gives access to meanSpeedWithin which is not >> aggregated over time (see meanSpeed and meanSpeedWithin for contrast >> http://sumo-sim.org/wiki/Simulation/Output/Multi-Entry_Multi-Exit_Detectors_%28E3%29 >> ). >> regards, >> Jakob >> >> >> >> 2013/11/11 hanene <[email protected]> >> >>> > Hi , >>> > >>> > >>> > >>> > If a set a couple of MeMe detectors in the network .I am able to >>> retrieve >>> > them using traci4j however how can I make the association between >>> detector >>> > value and the concerned edge ? >>> > >>> > i mean is it possible to get >>> > >>> > egdge.querydetector.querymeanSpeedWithin. >>> > >>> > Normally the value meanSpeedWithin is an aggragation over an interval >>> of >>> > time and should reflect congestion situation in the given edge isn't >>> it ? >>> > Thus it would be different for edge.querylaststepMeanSpeed? >>> > >>> > >>> > >>> > regards >>> > >>> > >>> > >>> > >>> > >>> > >>> > On 7 November 2013 13:31, Enrico Gueli <[email protected]> wrote: >>> > >>> >> Try this: >>> >> ChangeMaxSpeedQuery q = VehRef.queryChangeMaxSpeed(); >>> >> q.setValue((double) -1); >>> >> q.run(); >>> >> >>> >> Best regards, >>> >> Enrico >>> >> >>> >> 2013/11/7 hanene <[email protected]>: >>> >> > Hi Enrico, >>> >> > >>> >> > Thanks a lot for your response. >>> >> > In fact I simulate emergency vehicle service. thus the vehicle has >>> to >>> >> stop >>> >> > for some duration in the road side ( ie parking state) >>> >> > I m not sure how to do this! . there is no Junittest done using >>> this >>> >> > commande.So I tried this way >>> >> > VehRef.queryChangeMaxSpeed().setValue((double) -1); >>> >> > VehRef.queryChangeMaxSpeed().setValue((double) 0); >>> >> > >>> >> > but the vehcile keep moving and continue its road in both case >>> >> > >>> >> > is there any error ? >>> >> > >>> >> > >>> >> > On 7 November 2013 04:42, Enrico Gueli <[email protected]> >>> wrote: >>> >> >> >>> >> >> Hi, >>> >> >> did you try to set max speed to zero, then back to a reasonable >>> value? >>> >> >> >>> >> >> Best regards, >>> >> >> Enrico >>> >> >> >>> >> >> >>> >> >> 2013/11/6 hanene <[email protected]>: >>> >> >> > Hi >>> >> >> > >>> >> >> > I would like to change the state of vehicle by asking them to >>> stop >>> >> in a >>> >> >> > given edge then resuming after a period of time >>> >> >> > I do not see any implementation of these Traci query in Traci4j >>> >> >> > had any one implemented them before? >>> >> >> > Is it possible to get hints how to add these two query >>> >> >> > >>> >> >> > >>> >> >> > Thanks a lot >>> >> >> > >>> >> >> > regards >>> >> >> >>> >> >> >>> >> >> >>> >> >> -- >>> >> >> Enrico >>> >> > >>> >> > >>> >> >>> >> >>> >> >>> >> -- >>> >> Enrico >>> >> >>> > >>> > >>> >>> ------------------------------------------------------------------------------ >>> November Webinars for C, C++, Fortran Developers >>> Accelerate application performance with scalable programming models. >>> Explore >>> techniques for threading, error checking, porting, and tuning. Get the >>> most >>> from the latest Intel processors and coprocessors. See abstracts and >>> register >>> >>> http://pubads.g.doubleclick.net/gampad/clk?id=60136231&iu=/4140/ostg.clktrk >>> _______________________________________________ >>> sumo-user mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/sumo-user >>> >> >> > ------------------------------------------------------------------------------ DreamFactory - Open Source REST & JSON Services for HTML5 & Native Apps OAuth, Users, Roles, SQL, NoSQL, BLOB Storage and External API Access Free app hosting. Or install the open source package on any LAMP server. Sign up and see examples for AngularJS, jQuery, Sencha Touch and Native! http://pubads.g.doubleclick.net/gampad/clk?id=63469471&iu=/4140/ostg.clktrk _______________________________________________ sumo-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sumo-user
