[sumo-user] Time step right before arrival

[Mani Amoozadeh via sumo-user]

Hello,

 

Is there any ways to figure out the last time step before vehicle's arrival
?

I want to call a TraCI function on a vehicle right before its arrival.

 

Thanks!

 

 

- Mani

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[sumo-user] Simulation Step TraCI call at time 0

[Mani Amoozadeh via sumo-user]

Hello,

 

I setup a SUMO simulation with 0.5s time step in TraCI mode.

Once the TraCI is established I subscribe to departed vehicles count and
then insert 10 vehicles at time 0s.

I call simulation step like this:

 

simulationStep(500) --> simulationStep(1000) --> simulationStep(1500) .

 

The first simulationStep returns subscription result that all 10 vehicles
have departed.

 

Is there any way to call simulationStep like this:

 

simulationStep(0)  --> simulationStep(500) --> simulationStep(1000) -->
simulationStep(1500) .

 

So that the first simulationStep call give me the subscription result
showing that all vehicles have departed.

Apparently, I cannot do this since 0 has a special meaning and proceeds
simulation to 500ms.

Is there any workaround for this?

 

Thank you.

 

- Mani

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[sumo-user] Head on collision

[Mani Amoozadeh via sumo-user]

Hello,

 

I have created the following simple network to simulate the overtaking of a
vehicle using the opposite lane:

 



 

  

  

  

 

  

  

  

 



 

 

I need to simulate the head-on accident and when I use the TraCI to change
lane to the opposite direction, the vehicle changes lane to the opposite
lane, but changes back to its original lane. I set the lane change mode to
0, so to disable the safety check, but it does not help. Can you help me on
that? thanks!

 

 

- Mani

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[sumo-user] Next intersection

[Mani Amoozadeh via sumo-user]

Hello,

Is there any ways to get the next traffic intersection along a vehicle's
route similar to getNextTL.

Thanks!

- Mani
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[sumo-user] Vehicle Dynamics in SUMO

[Mani Amoozadeh via sumo-user]

Hello,

 

I want to calculate when a vehicle is oversteering and understeering.

Is there any way to get steering input from a vehicle, the radius of its
current path, tire slip angle, and other relevant quantities to calculate
this?

 

 

- Mani

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[sumo-user] VEhicular NeTwork Open Simulator (VENTOS)

[Mani Amoozadeh via sumo-user]

Dear friends and colleagues,



We are glad to announce the release of VENTOS 1.0 simulator. VENTOS was
first released on Oct, 2015 with main focus on vehicle platooning. Since
then, many students and researchers have contacted us and asked about the
next release date. We were constantly adding new features/fixing many bugs
and now ready to release the next version.



You can download the latest VENTOS from here
.

You can find the manual in the same page.



We have also added support for hardware-in-the-loop (HIL) simulation into
VENTOS that enables you to attach one or more OBUs/RSUs to your computer
and create more-realistic scenarios. Currently, we support WaveCombo SDKs

from Redpine Signals. Please contact Redpine Signals if you are interested
in purchasing their WaveCombo SDKs.


Spread this message and let your friends/colleges know if they are also
interested in this project.



Post you issues in the Github project page here
.



We have many more features coming in the near future and we hopefully
release them in shorter intervals. You can subscribe to the VENTOS mailing
list by sending an email to man...@ucdavis.edu with title: 'VENTOS mailing
list'





- Mani Amoozadeh

PhD candidate in UCD
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[sumo-user] subscription to Person

[Mani Amoozadeh via sumo-user]

Hello,

 

I was wondering if there is any way so that I can subscribe to the
departed/arrived person in the simulation similar to
VAR_DEPARTED_VEHICLES_IDS and VAR_ARRIVED_VEHICLES_IDS.

 

Thanks!

 

- Mani

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[sumo-user] SUMO GUI

[Mani Amoozadeh via sumo-user]

Hello,

 

I have the following two questions:

 

1. What is the default zoom level when a SUMO network file is loaded into
SUMO-GUI?

Does SUMO-GUI tries to fit the whole network into the window?

 

2. I load my network into SUMO-GUI and change the perspective to my liking.

I click the change viewport icon to see the current zoom level and offsets.

I record zoom, X offset and y offset.

 

Then I use TraCI to set the exact parameters when my simulation starts.

I first use the GUISetOffset (x, y) and then GUISetZoom.

But the resulting viewpoint is a little bit different than what I am
expecting.

What might be the issue?

 

I also noticed that there is a Z offset value that cannot be manipulated
with TraCI.

Does the Z offset has a role in my problem?

 

 

Thanks!

 

- Mani

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