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Re: [sumo-user] Unexpected redundancy in output by getControlledLanes()
  • From: Michael Behrisch <oss@xxxxxxxxxxx>
  • Date: Wed, 17 Apr 2019 18:37:32 +0200
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Hi Akash,
the redundancy is due to the fact that the traffic light controls links
(lane to lane connections) and every lane can have multiple links which
may have different signals. By having the complete list you can easily
see which part of the state vector (the signal string, something like
"GGrr") corresponds to which lane. If you really want it collapsed just
do it afterwards, for instance in python you can construct a set which
will eliminate duplicates: laneSet = set(laneList)

Best regards,
Michael

Am 14.04.19 um 22:39 schrieb Kamble Akash Ankush cs17m018:
> Hi,
>     I have a simple scenario where two crossroads make a junction for a
> signal (exactly like one of the example tutorials on SUMO Wiki). The
> roads are two-way single laned edges. But when I call for
> getControlledLanes(), I get a list of 8 elements instead of 4 and each
> lane name was repeated twice, e.g.,
> 
> laneList = traci.trafficlight.getControlledLanes("left_sig")
> 
> When I print with "print(laneList)" this gives ,
> 
>>>>  ('nlls_0', 'nlls_0', 'rsls_0', 'rsls_0', 'slls_0', 'slls_0',
> 'wls_0', 'wls_0')
> 
> Can anything be done to eliminate this redundancy? Thanks in advance.
> 
> Regards,
> Akash.
> 
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