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Re: [sumo-user] Flows causes only one vehicle to be running in the simulation
The behavior is caused by the vType attribute decel="0". This means vehicles cannot brake and thus there is no safe insertion speed other than 0. If you set decel to another value (default 4.5) you will see regular insertions. Please note the warning regarding tau and simulation step size that is printed at the start of the simulation.

regards,
Jakob

Am Mo., 25. März 2019 um 12:34 Uhr schrieb <a.chandramohan@xxxxxxxxxx>:

Hi Jakob,

Thanks.

I have attached the configuration in this mail.

 

 

Thank you

Best Regards

Aashik Chandramohan

 

From: Jakob Erdmann
Sent: 25 March 2019 12:29
To: Sumo project User discussions
Subject: Re: [sumo-user] Flows causes only one vehicle to be running in the simulation

 

In this case I need to take a look at your scenario to diagnose the problem. Please zip up a minimum input example and send it to me.

Am Mo., 25. März 2019 um 11:44 Uhr schrieb <a.chandramohan@xxxxxxxxxx>:

Hi Jakob,

Thanks for your quick reply. I have the length of the road set to 5000 m.

 

Thank you

Best Regards

Aashik Chandramohan

 

From: Jakob Erdmann
Sent: 25 March 2019 11:22
To: Sumo project User discussions
Subject: Re: [sumo-user] Flows causes only one vehicle to be running in the simulation

 

Most likely your road is shorter than 28m which means the first vehicle has exited by the time the second vehicle can be safely inserted.
- Make your road longer
- add the flow attribute departPos="last" to get the minimum spacing between the vehicles on insertion

Am Mo., 25. März 2019 um 11:10 Uhr schrieb <a.chandramohan@xxxxxxxxxx>:

Hello All,

I am trying to generate random departure times using flows. However I would like the vehicles to depart with a certain departSpeed.

Hence I have added flow statement as shown below:

<flow id="car" departSpeed="13.89"  color="255,0,0"  begin="0" end= "10000" probability="0.5" type="Car">

    <route edges="Road"/>

</flow>

 

However, I get only one vehicle to be running In the simulation. The next vehicle starts only after the first vehicle exits the simulation.

The simulation however works fine if I do not use the departSpeed, but I would like the vehicles to start at 13.89m/s. Hence could any of you advice me on a way to do that?

 

Thanks for your help

Best Regards

Aashik Chandramohan

 

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