I'd advise against editing the XML with regular expressions. Seriously, you
can do a lot of harm with regular expressions because very often the
pattern is either too restrictive or too loose. Please rather use
netconvert <https://sumo.dlr.de/docs/netconvert.html#tls_building> to add
traffic lights:
* either call netconvert with option --tls.guess true
* or collect the concerned intersections beforehand (e.g. using
sumolib) and provide their IDs to netconvert using --tls.set
Best regards
Mirko
-----Original-Nachricht-----
Betreff: Re: [sumo-user] Adding traffic lights automatically
Datum: 2023-10-21T20:50:03+0200
Von: "Manuel H. Rosales via sumo-user" <[email protected]>
An: "Sumo project User discussions" <[email protected]>
Hi Toprak, I hope you are fine.
You can do with a script TRACI before to run the simulation an edition of
the archive .net.xml
and using regular expressions add traffic lights in the necessary places
and with the required conditions
if __name__ == "__main__":
options = get_options()
//here for example you can edit with Python and modify the .net.xml file
if options.nogui:
sumoBinary = checkBinary('sumo')
else:
sumoBinary = checkBinary('sumo-gui')
traci.start([sumoBinary, "-c", "archivo.sumocfg",
"--tripinfo-output", "tripinfo.xml"])
run()
Please tell me if you need more help.
Saludos cordiales
Mat. Manuel Hernández Rosales
Secretario Técnico
Programa Universitario de Estudios sobre la Ciudad
Universidad Nacional Autónoma de México
Ciudad de México, México
Whats App: 5539621430
El sáb, 21 oct 2023 a las 7:14, Toprak via sumo-user (<
[email protected] <mailto:[email protected]> >) escribió:
Hello,
I want to automatically add traffic lights into the network without
manually inserting them in netedit. I am currently generating grid
networks and want to add the traffic lights on all junctions. Is there a
way to achieve this? I actually would be happier with a system that adds
traffic lights with respect to how many roads there are in the junction,
so that the corners which have only 2 roads (1 in and 1 out) don’t have
traffic lights but other junctions do. If no, maybe I need to write a
small python script which modifies the network file?
I checked out the wiki but couldn’t find an answer and —guess true
doesn’t do the trick apparently.
Thanks,
Toprak
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