| Re: [sumo-user] Different probability flows between simulations |
Hi, I just tested the most recent build with --random and it works as expected. Best regards, Michael Am 21.10.20 um 20:32 schrieb Tiago Silva: > Dear Andras and Lokesh, > > Thanks for your reply! Unfortunately, even with seed and random my > simulation is generating the same flow in different simulation runs. I > tested this in v1_7_0 tag and in master branch with all current > changes. Is this working for you? If so, it's probably a problem in my > build... > > thanks in advance! > > Em qua., 21 de out. de 2020 às 13:56, Lokesh Das <lokeshcsedu@xxxxxxxxx > <mailto:lokeshcsedu@xxxxxxxxx>> escreveu: > > Hi Tiago, > > From the heading, it seems that you want to change the vehicle > injection probability in every simulation run. If it is, you can do > it in two ways: i) manually- every time change probability value in > route file or ii) dynamically- change it using TraCI API. However, > if you want with the same probability every simulation should have > given you a different flow, just change the default seed value > (23423; see https://sumo.dlr.de/docs/Simulation/Randomness.html). > You can do it using <random value = "true" /> in *.sumocfg file. It > simply uses the system current time as a seed value. > > Thanks, > Lokesh > > On Wed, Oct 21, 2020 at 8:15 AM Tiago Silva > <tiago.silva1230@xxxxxxxxx <mailto:tiago.silva1230@xxxxxxxxx>> wrote: > > hello, > > I'm generating a flow of vehicles with probability='0.3' as seen > in the code below: > > / <flow id='flow_2' color="0,0,1" begin='0' end='4500' > probability='0.3' type='vehicleType_1'> > <route edges='5to1 1to3'/> > </flow>/ > > It works correctly and generates the random flows I need during > the simulation. However, I noticed that if I execute the > simulation again it will generate the same random flow as the > previous execution. Can you tell me if this is the expected > behavior of random flow? I need to generate different flows in > each simulation execution. Is there any way to do this? > > Thanks in advance! > > -- > Att. > Tiago Alves Silva > > _______________________________________________ > sumo-user mailing list > sumo-user@xxxxxxxxxxx <mailto:sumo-user@xxxxxxxxxxx> > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user > > _______________________________________________ > sumo-user mailing list > sumo-user@xxxxxxxxxxx <mailto:sumo-user@xxxxxxxxxxx> > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user > > > > -- > Att. > Tiago Alves Silva > > > _______________________________________________ > sumo-user mailing list > sumo-user@xxxxxxxxxxx > To unsubscribe from this list, visit https://www.eclipse.org/mailman/listinfo/sumo-user >
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