How to use sumo/tools/randomTrips.py in order to make random trips that do start from starting lanes and end to final lanes
Question:
I’m having problems with SUMO’s randomTrips.py, although I set a really high fringe factor, I still get vehicle spawns "inside" my network. I want to make trips that start of a starting lane and end to a final lane.
Here’s how I generated my trips files. I want ~ 1000 vehs, 1 veh spawning every 2 secs at a duration of ~2000 secs.
python3 /home/sumo/tools/randomTrips.py -n osm.net.xml -b 0 -e 2000 -p 2 --trip-attributes="departLane="best" departSpeed="10.0" departPos="base"" --route-file trips.xml --fringe-factor 200000
What is happening here?
Answers:
If your network is not too big you can consider listing the probabilities explicitly and use one or two weight files to give the edge probabilities. The details are described here: https://sumo.dlr.de/docs/Tools/Trip.html#customized_weights.
Now in SUMO version 1.15.0, --fringe-factor accepts value max to make all vehicles depart and arrive at fringe edges.
https://github.com/eclipse/sumo/blob/main/tools/randomTrips.py#L116
I’m having problems with SUMO’s randomTrips.py, although I set a really high fringe factor, I still get vehicle spawns "inside" my network. I want to make trips that start of a starting lane and end to a final lane.
Here’s how I generated my trips files. I want ~ 1000 vehs, 1 veh spawning every 2 secs at a duration of ~2000 secs.
python3 /home/sumo/tools/randomTrips.py -n osm.net.xml -b 0 -e 2000 -p 2 --trip-attributes="departLane="best" departSpeed="10.0" departPos="base"" --route-file trips.xml --fringe-factor 200000
What is happening here?
If your network is not too big you can consider listing the probabilities explicitly and use one or two weight files to give the edge probabilities. The details are described here: https://sumo.dlr.de/docs/Tools/Trip.html#customized_weights.
Now in SUMO version 1.15.0, --fringe-factor accepts value max to make all vehicles depart and arrive at fringe edges.
https://github.com/eclipse/sumo/blob/main/tools/randomTrips.py#L116