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Re: [sumo-user] Knowledge of a vehicle about its surrounding traffic
  • From: Michael Behrisch <oss@xxxxxxxxxxx>
  • Date: Sun, 9 Dec 2018 16:44:26 +0100
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Hi Soumya,
you will miss context subscriptions ;-) and the ease of doing things in
python instead of C++. What is the reason for doing everything inside?
If it is performance, you may have a look at libsumo.

Best regards,
Michael

Am 05.12.18 um 14:10 schrieb Soumya Sharma:
> Thanks, Michael.
> To answer your question- I would want to do as much inside sumo as
> possible. 
> What will I miss out if I  dint use TraCI?
> 
> Thanks again,
> Soumya.
> 
> On Tue, Dec 4, 2018 at 5:38 PM Michael Behrisch <oss@xxxxxxxxxxx
> <mailto:oss@xxxxxxxxxxx>> wrote:
> 
>     Hi Soumya,
>     it really depends whether you want to do everything inside sumo or use
>     the traci interface. If you go for the latter, have a look at context
>     subscriptions.
> 
>     Best regards,
>     Michael
> 
>     PS: Please keep the list posted.
> 
>     Am 04.12.18 um 16:49 schrieb Soumya Sharma:
>     > Michael,
>     > Thanks very much for the information. 
>     > So then, If I wanted to simulate a vehicle type that knows about the
>     > position, acceleration, deceleration of the vehicles around it in a
>     > specified range- that can be done in SUMO ?
>     > Could you provide me a starting point on what functions and parameters
>     > can be used in SUMO to achieve this?
>     >
>     > Thanks again!
>     > Soumya.  
>     >
>     > On Mon, Dec 3, 2018 at 9:35 AM Michael Behrisch <oss@xxxxxxxxxxx
>     <mailto:oss@xxxxxxxxxxx>
>     > <mailto:oss@xxxxxxxxxxx <mailto:oss@xxxxxxxxxxx>>> wrote:
>     >
>     >     Hi,
>     >     knowledge is probably not the right term to use here. From the
>     point of
>     >     the software architecture a vehicle can get complete
>     information about
>     >     the whole traffic network. The implemented models however make
>     only
>     >     limited use of that. The car following model only uses the leading
>     >     vehicle but the lane changing and the junction model use more
>     >     information. The former about surrounding vehicles (leading,
>     following
>     >     and neighboring on its own and adjacent lanes), the latter
>     about all
>     >     possible conflicting vehicles approaching the same junction.
>     Furthermore
>     >     the models also use aggregated data for instance lane
>     occupancy (for
>     >     deciding which lane to use) or travel times (for routing).
>     >
>     >     Best regards,
>     >     Michael
>     >
>     >     Am 30.11.18 um 21:07 schrieb Soumya Sharma:
>     >     > Hello,
>     >     > I am wondering about what details a vehicle in SUMO
>     simulation has
>     >     about
>     >     > its surroundings when driving.
>     >     > As a starting point, each car keeps track of its following
>     >     distance with
>     >     > its leading vehicle. Similarly, do vehicle know about the
>     position of
>     >     > any other vehicles around them (their follower, their
>     neighbors).
>     >     >
>     >     > Please let me know. Any help would be appreciated.
>     >     >
>     >     > --
>     >     > Thank you,
>     >     > Soumya Sharma
>     >     > Graduate Research Assistant | ITRE *
>     >     > *
>     >     > PhD Civil Engineering | Transportation Systems | NC State 
>     >     >
>     >     > itre.PNG
>     >     >  
>     >     >
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>     >
>     >
>     >
>     > --
>     > Thank you,
>     > Soumya Sharma
>     > Graduate Research Assistant | ITRE *
>     > *
>     > PhD Civil Engineering | Transportation Systems | NC State 
>     >
>     > itre.PNG
>     >  
> 
> 
> 
> 
> -- 
> Thank you,
> Soumya Sharma
> Graduate Research Assistant | ITRE *
> *
> PhD Civil Engineering | Transportation Systems | NC State 
> 
> itre.PNG
>  


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