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Re: [sumo-user] Specific arrival rate via randomTrips.py for a specific class of vehicle
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It depends on the amount of variance you need. Running sumo with 30 different seeds will already add some variance. Regenerating the traffic input with 30 different seeds will give a major increase in the variance.
Sorry, I have one more question to ask.
I have a simulation campaign with 30 replications to run
Should I generate 30 different
versions of each flow file possibly using the --seed option ? Or any other solution with and without TraCI ?
It's not recommended that you do. Sumo supports loading a comma-separated list of route files with option --route-files (note the plural in the option name).
So, how can I combine such
generated different flow files into a single .rou.xml one ?
Yes. By running randomTrips separately for each type with different --period values. You must set option --prefix to ensure that each run produces distinct vehicle ids.
Actually I wonder if it is possible to specify an arrival rate for each type of vehicle
when generating via randomTrips.py flows with different types of vehicles
(e.g emergency, bus,...).
Please give more details on what you do not understand.
The first line of documentation at the link says "The arrival rate is controlled by option --period".
To me this seems to answer the question "Is it possible to define such an arrival rate with randomTrips.py" unambiguously.
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