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Re: [sumo-user] routing vehicles over large roundabout
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Hello Jakob,
the path is indeed reddish, however, it changes a lot between red and
green (and so do all edges). I set the adaptation-steps option, but the
color of the edges still changes as before (and routing seem
unaffacted). Is it correct that I can add
<device.rerouting.adaptation-steps value="1200" />
to the sumocfg file to enable this option?
Greets, Menno
On 19-4-2018 12:12, Jakob Erdmann wrote:
Hello,
when loading trips, vehicles always take the fastest route according to
averaged travel times.
My guess is that these times are inappropriate.
You can check this by setting the edge coloring to 'by routing device
assumed speed' and see if the straight path is colored reddish.
This could occur when the averaging algorithm does not smooth out the
traffic light cycle.
Try setting the option --device.rerouting.adaptation-steps yourTLSCycleTime
(see http://sumo.dlr.de/wiki/Demand/Automatic_Routing#Edge_weights)
regards,
Jakob
2018-04-19 11:27 GMT+02:00 Menno van der Woude <menno@xxxxxxxxxxxxxxxxxx
<mailto:menno@xxxxxxxxxxxxxxxxxx>>:
Hello,
while simulating a large roundabout I am running into trouble with
the routes vehicles choose. The roundabout has four arms. Many
vehicles want to go "straight", i.e. they want to take the first
exit after entering the roundabout. SUMO however sends these
vehicles for a trip all around the roundabout, which leads to
congestion as the traffic light program is not equipped for this (it
would also be odd in reality).
I am using OD2TRIPS to generate trips files that I feed into SUMO
via the <route-files> attribute in the sumocfg file.
Given this scenario, is there a way to force (all) vehicles to
choose the shortest route?
Thanks, greets,
Menno
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