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Re: [sumo-user] Continuous model in SUMO
  • From: François Vaudrin <francois.vaudrin.1@xxxxxxxxx>
  • Date: Sat, 18 Sep 2021 18:37:52 +0000
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  • Thread-topic: [sumo-user] Continuous model in SUMO
Thanks, Menno,

This is something I didn't know. That will be useful.

I added this line in sumocfg.xml .... <lanechange.duration> 1.0 </lanechange.duration> ....  and did some tests varying the value 1.0, 5.0., 10.0. Something happens because it does not give the same results, so this seems OK with the systax

On the other hand, I don't have the impression that the vehicle changing lanes is different (90 degrees). Maybe it is an impression because it is hard to catch the real movements on the GUI.

Thanks again and have a nice day

François

De : sumo-user <sumo-user-bounces@xxxxxxxxxxx> de la part de Menno van der Woude <menno@xxxxxxxxxxxxxxxxxx>
Envoyé : vendredi 17 septembre 2021 14:39
À : sumo-user@xxxxxxxxxxx <sumo-user@xxxxxxxxxxx>
Objet : Re: [sumo-user] Continuous model in SUMO
 

Hey François,


please note that --lanechange.duration is a command line argument rather than something to add to an additionals file. An additionals file really is meant for 'additional' things in the network, that is, things other than edges and junctions that make up the structure of the network.


You can however add these kind of arguments to your .sumocfg file: something like


...

<lanechange.duration>1.0</lanechange.duration>

...


should do the trick in this case. This is true for all such arguments that influence how the simulation runs. I agree that the documentation can be somewhat hard to make out in this respect if you are unfamiliar with this, but there is good explanation here: https://sumo.dlr.de/docs/Basics/Using_the_Command_Line_Applications.html#configuration_files.


Greets, Menno


On 17/09/2021 19:47, François Vaudrin wrote:
Halo Jakob,

I understand that this command (--lanechange.duration <FLOAT>) allows changing lanes over a greater distance in a more natural way on the screen. That's right ?

I couldn't find the syntax to write it to an additional.add.xml file.

 Is there an example?

Best
François
 CANADA

De : sumo-user <sumo-user-bounces@xxxxxxxxxxx> de la part de Jakob Erdmann <namdre.sumo@xxxxxxxxx>
Envoyé : lundi 13 septembre 2021 15:41
À : Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Objet : Re: [sumo-user] Continuous model in SUMO
 
Please let me know which part of the documentation is unclear.

Am Mo., 13. Sept. 2021 um 21:01 Uhr schrieb François Vaudrin <francois.vaudrin.1@xxxxxxxxx>:
Thanks Jakob,

Do I have to specify the continuous model somewhere with an option or it is already include in SUMO?

This is because currently the cars move 90 degrees when they change lanes in my simulation and I would have preferred that to be done on a larger transition. But if it's the best that can be done, that's fine.

Best

François

De : sumo-user <sumo-user-bounces@xxxxxxxxxxx> de la part de Jakob Erdmann <namdre.sumo@xxxxxxxxx>
Envoyé : lundi 13 septembre 2021 14:29
À : Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Objet : Re: [sumo-user] Continuous model in SUMO
 
The two types of continuous models are activated via sumo options and then apply to all vehicles regardless of vType.

Am Mo., 13. Sept. 2021 um 17:41 Uhr schrieb François Vaudrin <francois.vaudrin.1@xxxxxxxxx>:

Hello,


Can we apply the continuous model directly in the vtype definition as for the carFollowing-Kraus model? If so, does this give comparable results?


<vType id="TRUCK_1" .... >

<carFollowing-Krauss accel="0.8" decel="4.5" sigma="0.5"/>

</vType>


Thank you


François
CANADA
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