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Re: [sumo-user] Lateral-resolution

Why we ask is, if I have a step length of 0.001 and a lane resolution of 1, the still I see that the agents are taking smaller lateral steps although I do not define many sub-lanes. This brings me to the question is step length is actually “time” or does it also influence the minimum steps in meters the vehicle can move.


Step-length is time. In shorter time steps, vehicles can move less distance (longitudinally as well as laterally).
 

... then what does lateral resolution actually do ? is it just for the decision making and does not directly influence the vehicles lateral trajectory.


Yes. It is for decision making. However, due to different possible decisions this will be noticeable in the trajectories as well.
 


Von: sumo-user-bounces@xxxxxxxxxxx <sumo-user-bounces@xxxxxxxxxxx> Im Auftrag von Jakob Erdmann
Gesendet: Donnerstag, 31. Oktober 2019 10:18
An: Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Betreff: Re: [sumo-user] Lateral-resolution

 

Lateral resolution determines the space-resolution for decision making (during overtaking) and collision checking. Nevertheless, vehicles can move lateraly continuously depending on their configured lateral speed and to keep desired (lateral) spacing.

 

 

Am Do., 31. Okt. 2019 um 09:38 Uhr schrieb Wlodarczak, Tessa <tessa.wlodarczak@xxxxxxxxxxxxxxxxxxxxxxxxxxx>:

Dear Users,

 

Can someone give me an clear explanation on the lateral-resolution, when using the sublane-model?

My first thought on this was, that I’m dividing the lane into sublanes and the car is “jumping” from sublane to sublane. But this is not the case. And I don’t get the explanation in the documentation.

I would appreciate if someone could help me with this issue.

 

Greetings,
Tessa

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