| Re: [sumo-user] Different probability flows between simulations |
diff --git a/src/utils/options/OptionsCont.cpp b/src/utils/options/OptionsCont.cpp
index 8061dfd1e0..d2ebe7ff91 100644
--- a/src/utils/options/OptionsCont.cpp
+++ b/src/utils/options/OptionsCont.cpp
@@ -247,6 +247,7 @@ OptionsCont::getStringVector(const std::string& name) const {
bool
OptionsCont::set(const std::string& name, const std::string& value) {
+ WRITE_WARNING("set '" + name + "' = '" + value + "'");
Option* o = getSecure(name);
if (!o->isWriteable()) {
reportDoubleSetting(name);
Hello!I did some debugging yesterday and found that when I load the network via TraCi it uses the OptionsParser and when I load the network via sumo-gui it uses SAXParser. This is because myArgC is 3 via Traci and 0 via sumo-gui at this point in the code: https://github.com/eclipse/sumo/blob/master/src/utils/options/OptionsIO.cpp#L131myArgV values using TraCi:myArgV[0]: /home/tiago/src/sumo/bin/sumo-guimyArgV[1]: -cmyArgV[2]: overtaking.sumo.cfgDoes anyone know if this is the expected behavior? Do you know if the OptionsParser can parse random_number correctly?Thanks in advance!Em dom., 22 de nov. de 2020 às 11:39, Tiago Silva <tiago.silva1230@xxxxxxxxx> escreveu:Hello everyone!
Forgiveness for the delay in returning. I performed some additional tests and found that the problem must be with the way I load the network. I noticed that if I load the network directly into the sumo-gui random works correctly. However if I use traci it is not working (which is my case). I use Omnet ++ with Veins. Therefore, the network is loaded via TraCi by Omnet ++.
I continue to investigate the reason for this. However, if anyone has any tips I would appreciate it very much.
Thanks in advance!Em qua., 21 de out. de 2020 às 16:40, Michael Behrisch <oss@xxxxxxxxxxx> escreveu: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
>
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>
>
> --
> Att.
> Tiago Alves Silva
>
>
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--Atenciosamente,Tiago Alves Silva
--At.te,
Tiago Alves SilvaAnalista de Desenvolvimento de Sistemas
Celular:+ 55 11 9 9819 7073
Skype: tiago.silva1230
Analista de Desenvolvimento de Sistemas
Celular:+ 55 11 9 9819 7073
Skype: tiago.silva1230
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