Thanks for the help.

I was able to run this in command prompt successfully but when I try to run
it within my python code using traci.start([...]) it's not working. I tried
with quotes and it still doesn't work. Should it work?

Also, what does a leaderGap of -1 mean? On the webpage (
https://sumo.dlr.de/docs/Simulation/Output/Lanechange.html) it says
leaderGap is "The longitudinal gap to the nearest leader on the target lane
(bumper to bumper) or 'None' if there was no leader". Are there any other
links that go over leaderGap?


[image: image.png]

Thanks.


On Thu, Jan 20, 2022 at 12:36 AM Jakob Erdmann <[email protected]>
wrote:

> the options must be used together: --fcd-output output.xml
> --fcd-output.max-leader-distance 200
>
> Am Do., 20. Jan. 2022 um 04:42 Uhr schrieb Hem <[email protected]>:
>
>> Thanks for the quick response.
>>
>> I was able to get an output file when using "--fcd-output" but am not
>> getting an output file when using "--fcd-output.max-leader-distance". Is
>> there any special syntax that needs to be used?
>>
>> *Works:* traci.start([sumoBinary, "-c", "demo.sumocfg", "-- fcd-output
>> ", "output.xml"])
>> *Does not work:* traci.start([sumoBinary, "-c", "demo.sumocfg",
>> "--fcd-output.max-leader-distance FLOAT", "output.xml"])
>>
>> Tried to put a value for FLOAT and removed the FLOAT but it still does
>> not work.
>>
>> Thanks.
>>
>> On Tue, Jan 18, 2022 at 10:47 PM Jakob Erdmann <[email protected]>
>> wrote:
>>
>>> Yes. Use option --fcd-output with option --fcd-output.max-leader-distance
>>> see https://sumo.dlr.de/docs/Simulation/Output/FCDOutput.html
>>>
>>>
>>> Am Mi., 19. Jan. 2022 um 03:20 Uhr schrieb Hem <[email protected]>:
>>>
>>>> Hi,
>>>>
>>>> I am trying to get the minGap or minimum distance between vehicles in
>>>> the output file. Is that possible?
>>>>
>>>> Regards,
>>>> Hem
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