Could SUMO realize the function saving and loading simulation state？ Appreciated!
Jane On Tue, Sep 8, 2020 at 1:27 PM Jakob Erdmann <[email protected]> wrote: > When saving and loading simulation state, the rerouting period for each > vehicle is restored as well so you cannot use this to reset the values. > However, you can set a new value for --routing-algorithm when loading > state. > > Am Di., 8. Sept. 2020 um 05:09 Uhr schrieb Jane Cheung < > [email protected]>: > >> Maria, >> Thanks for your reply! >> If I have 3000000 vehicles in my simulation scenario, the suggested Traci >> command is going to set a parameter for each vehicle, like >> >> >> - use Traci to find a list of vehicles is running and are going to >> insert in the simulation, >> - set a new rerouting period for these vehicles. >> - >> >> I am wondering, is it a time-consuming one? >> >> Are there some other methods I could do it quickly and easily? >> >> >> Best regards, >> >> Jane >> >> >> On Tue, Sep 8, 2020 at 3:26 AM <[email protected]> wrote: >> >>> Hi Jane, >>> >>> >>> >>> I think you could do it using Traci. You can start the simulation with >>> high values for “device.rerouting.period” and “device.rerouting.pre-period” >>> to avoid rerouting vehicles before time 1800 s. At simulation time 1800s >>> you can change the “device.rerouting.period” value of specific vehicles >>> with the command: >>> >>> >>> >>> *traci.vehicle.setParameter("**vehicle ID**", >>> "device.rerouting.period", "**period**")* >>> >>> >>> >>> See https://sumo.dlr.de/docs/Demand/Automatic_Routing.html#traci and >>> https://sumo.dlr.de/docs/TraCI.html for more information. >>> >>> >>> >>> Sumo can generate different types of measures, in the following link you >>> can find information about them >>> https://sumo.dlr.de/docs/Simulation/Output.html. >>> >>> >>> >>> Regards, >>> >>> Giuliana >>> >>> >>> >>> >>> >>> *From:* [email protected] [mailto: >>> [email protected]] *On Behalf Of *Jane Cheung >>> *Sent:* Montag, 7. September 2020 19:55 >>> *To:* Sumo project User discussions >>> *Subject:* [sumo-user] save simulation state >>> >>> >>> >>> Dear all, >>> >>> If I have a simulation with 3600s， >>> >>> the configuration file is below : >>> >>> ----------------------------------------------------------------- >>> >>> >>> <input> >>> <net-file value="mycase.net.xml"/> >>> <route-files value="mycase.rou.xml"/> >>> </input> >>> >>> <output> >>> <summary-output value="output\mycase.summary.xml"/> >>> <tripinfo-output value="output\mycase.tripinfo.xml"/> >>> <tripinfo-output.write-unfinished value="true"/> >>> </output> >>> >>> <time> >>> <begin value="0"/> >>> <end value="36000"/> >>> </time> >>> >>> <routing> >>> <device.rerouting.probability value="1"/> >>> <device.rerouting.period value="300"/> >>> <device.rerouting.pre-period value="300"/> >>> </routing> >>> >>> <processing> >>> <ignore-junction-blocker value="20"/> >>> <time-to-teleport value="75600"/> >>> <max-depart-delay value="3600"/> >>> <routing-algorithm value="dijkstra"/> >>> </processing> >>> >>> >>> >>> ----------------------------------------------------------------- >>> >>> >>> >>> I want to evaluate different rerouting algorithms in SUMOs from 1800s to >>> the 3600s. In order to do that, I hope the traffic condition from 0-1800s >>> in different tests are the same, and the rerouting-device in each vehicle >>> can only work from the 1800s to 3600s >>> >>> Could I save the simulation state at 1800s and try different simulations >>> from 1800-3600 with different route algorithms? >>> >>> Could I save one simulation state of SUMO? Or Could I use some other >>> ways to realize my purpose? >>> >>> >>> >>> Appreciated in advance, and looking forward to getting your suggestions. >>> >>> >>> >>> Best regards, >>> >>> Jane >>> _______________________________________________ >>> sumo-user mailing list >>> [email protected] >>> To unsubscribe from this list, visit >>> https://www.eclipse.org/mailman/listinfo/sumo-user >>> >> _______________________________________________ >> sumo-user mailing list >> [email protected] >> To unsubscribe from this list, visit >> https://www.eclipse.org/mailman/listinfo/sumo-user >> > _______________________________________________ > sumo-user mailing list > [email protected] > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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