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Re: [sumo-user] '--no-internal-links' suppress the insertion of new vehicles?
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Thank you Jakob. I understand the 'no-internal-links' option might reduce the road length, but I didn't expect so big different when inserting vehicles. Is it due to large portion of vehicles are generated from the beginning of internal links?
Yes, my goal is to avoid any jam from intersection. Beacuse vehicles entering the internal links of the intersection might be delayed by downstream spillback, and block the upstream lane. I wonder, the default setting of SUMO should prevent vehicles entering the box, why does it still happen in congestion simulation?
Thank you,
Hao
On March 19, 2020 at 12:00 AM, Jakob Erdmann <namdre.sumo@xxxxxxxxx> wrote:
Hello,
the sumo option --no-internal-links switches to a model where the lanes within intersections are no longer used. This reduces the total road space of the simulation and can thereby affect insertion (vehicle insertion can be delayed/fail due to lack of road space).
If you set the netconvert option --no-internal-links when building the network, then the length of "normal" (non-intersection) edges is artificially increased to compensate for the missing road space.
Note, that some types of blockage (jam on intersections) is impossible when using --no-internal-links.
regards,
Jakob
Hi Sumo community,
Hope everyone is safe and healthy.
I encountered an interesting problem where vehicles cannot be inserted to the network if I set '--no-internal-links' to be true. Does this option suppress the insertion of vehicles?
My goal is to keep generating new vehicles using traci.vehicle.add to reach a very congested network. It can be done with internal links, but as expected we will see vehicles entering the intersection and lead to gridlock. When setting '--no-internal-links', the vehicle accumulation is significantly slower and as the figure shows, there seems a limit on the number of vehicles.
Does anyone have similar experience? Thank you in advance!
Best,
Hao Zhou,
Georgia Tech
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