Hi there,

I'm using a self-defined map, which consists of many edges with different 
number of lanes. Could you give me some advice on how to extract the 
time-to-collison data regarding one specific ego vehicle. Since the edges are 
usually not straigt lines, and the lane IDs are also always changing, it's not 
easy to get know the leading vehicle ID regarding the ego-vehicle at each time 
step (see figure below). Is there any direct and easier way to extract the 
time-to-collison or the range data? I'm thinking about using the x-y coordinate 
information to get the distance, but then it's still unknown whether the two 
vehicles are on the same lane or not, since the lane ID changes with the number 
of lanes. Thank you in advance.


[cid:073facc4-9982-4dcc-bcec-0ad3e20f40d3]



Best regards

Yiqun

Mit freundlichen Grüßen
Yiqun

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