Hi Jakob,
Thanks for all the help so far, I’ve tried changing the target using
Vehicle.changeTarget, however, I receive the error “SUMO error for command 196:
Route replacement failed for veh”. My thinking is that I need to somehow
activate the automatic routing, but I can’t seem to find a way to do it in
TraaS.
Any help would be greatly appreciated
From: Jakob Erdmann
Sent: 20 March 2018 12:12
To: Jonathan Harper
Cc: sumo-u...@lists.sourceforge.net
Subject: Re: [sumo-user] (SUMO) TraaS Dynamic Routing & Incomplete Routes
You can define everything at runtime via TraCI.
2018-03-20 12:21 GMT+01:00 Jonathan Harper <jonathan.v.har...@gmail.com>:
Hi Jakob,
Thanks for the swift response.
For this to work must I have set up the trip before runtime, or can I define
the trips during runtime and ask the vehicles to reroute during runtime?
Kind regards
From: Jakob Erdmann
Sent: 20 March 2018 11:04
To: Jonathan Harper
Cc: sumo-u...@lists.sourceforge.net; sumo-user@eclipse.org
Subject: Re: [sumo-user] (SUMO) TraaS Dynamic Routing & Incomplete Routes
Hello,
- automatic routing is suitable if you just want vehicles to react to changing
road conditions (congestion). This causes them to periodically check if there
is a better route and then change the route but keep the original destination
- if you need more influence on the timing or individual routing preferences
you can call traci.vehicle.rerouteTravelTime
- if you need to change the destination you can call traci.vehicle.changeTarget
- for intermediate goals that must be visited you can define 'via' edge using
traci.vehicle.setVia
- if you want to compute fastest routes without affecting a vehicle you can
call simulation.findRoute
regards,
Jakob
2018-03-20 11:49 GMT+01:00 Jonathan Harper via sumo-user
<sumo-u...@lists.sourceforge.net>:
Hello,
I'm unsure on how to dynamically assign routes to vehicles (with each vehicle
having a route which is unique to them) depending on certain conditions (i.e.
traffic jams, congestion). I'm using TraaS to interface with SUMO and need to
react to certain conditions and dynamically assign routes to particular
vehicles depending on their location relative to the road condition.
I've read about automatic re-routing here:
http://sumo.dlr.de/wiki/Demand/Automatic_Routing, however I'm unsure how to
activate this (if it's not done by default), or if this is even the correct
solution.
So far I've been able to assign a route in TraaS, but I can't seem to use
DUAROUTER during runtime to be able to generate the route from point A to C
without defining the intermediate edges, C (trip -> route). From my
understanding a trip is a start and end destination, whereas a route is this
with the addition of all of the intermediate edges passed through.
SumoStringList listExample = new SumoStringList();
ArrayList edgeList = new ArrayList<>();
edgeList.add("edge1");
edgeList.add("edge3");
listExample.addAll(edgeList);
conn.do_job_set(Route.add("test", listExample));
When ran (without edge2 being included in the edgeList) I get the error Vehicle
'testVehicle' has no valid route. No connection between edge 'edge1' and edge
'edge3'., which is resolved upon including edge2.
Is it possible to convert trips -> routes during runtime? Is there a way to
call DUAROUTER (or another tool) during runtime in TraaS?
Many thanks
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