[sumo-user] How to modified the parameter of vehicle moving

[Jane Cheung]

Dear all, I  have some question about some concept setting in SUMO and I
would like to ask for anyone who could help me ?

As  the concept in the transportation system, could  we set
1) Saturation flow for "turn left""turn right""straight" separately?
2) The average start up (brake) speed;
3) The free flow speed at junction ?

Appreciate  for anyone who could give me some suggestion about how to
modify these parameters!

Best regards!

Lizzy Cheung
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Re: [sumo-user] Request about stop signal

[Ing. Massimiliano Petri]

Thanks Jacobs,MassimilianoIl 22 apr 2019 13:00, Jakob Erdmann  ha scritto:You can use junction type "priority_stop" to model stop signs.Am Do., 18. Apr. 2019 um 10:04 Uhr schrieb Ing. Massimiliano Petri :Dear all, I'm new in Sumo. I'm searching how to insert stop signal in the network but I don't find how to do it.Best regards,Massimiliano___
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Re: [sumo-user] how to change prohibitions at unsignalized intersections

[Jakob Erdmann]

At a signalized intersection, you can customize the signal program however
you like (and even give conflicting streams simultaneous green light).
How are you trying to change prohibitions and in what way isn't it working?

Am Do., 18. Apr. 2019 um 14:55 Uhr schrieb Alessandro Farina <
alessandro.farin...@gmail.com>:

> Dear All,
> I am working on a network imported from Openstreetmap where there are
> several mistakes as regards prohibitions at signalized intersections.
> I am trying to change them but it seems as if prohibitions cannot be
> modified.
> Thank you very much,
> best regards
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Re: [sumo-user] Make a vehicle stop to take a passenger

[Jakob Erdmann]

The warning message applies to intermodal routing (
https://sumo.dlr.de/wiki/IntermodalRouting). In your ring-road scenario, no
such routing is necessary as persons can just use the next bus which stops.
Appending the driving stage after the walking stage should work as
described and the person should then ride from the previous destination.
- Is there a warning when the person disappears?
- Does the bus stop at the appropriate busStop?


Am Do., 18. Apr. 2019 um 21:10 Uhr schrieb steniero :

> Hi,
> I have to implement a stop on demand system. I created the bus stops and a
> ring route that the busses follow. When a pedestrian is created, it is
> supposed to walk to the first stop with a walking stage, then with a
> driving stage take the bus, at the same time traci sets the stop using the
> command setBusStop and stopping a determined bus. The busses are introduced
> with traci, operate the same line that the pedestrian calls.
>
> I receive this warning:
> Warning: Not using public transport line 'MINDShuttles' for routing
> persons. It has less than two usable stops.
>
> And my pedestrian just disappears as soon as he reaches the stop. What did
> I do wrong? how can I make the vehicle stop and take the pedestrian? When I
> append the driving stage I do not specify from which station to start, I
> assumed the pedestrian should start from the bus station where he is at, as
> a destination of the preceeding walking stage, am I right?
>
> Thank you very much
> Stefano
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Re: [sumo-user] [SUMO-USER] Can I create congestion in SUMO?

[Jakob Erdmann]

see https://sumo.dlr.de/wiki/FAQ#How_to_simulate_an_accident

Am Fr., 19. Apr. 2019 um 18:14 Uhr schrieb Pratik Dutta :

> Hello All,  Can I create congestion in SUMO? I mean to say without
> decreasing the speed Can I create congestion? or can i make an accident ?
>
>
>
> *Regards,*
> Pratik Dutta
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Re: [sumo-user] Teleports only in case of "Wrong Lane"

[Jakob Erdmann]

There is actually an option to control teleporting for wrong-lane
situations. However at the moment it is only active on roads with a speed
above 69km/h
(--time-to-teleport.highways)
Using this option it is possible to switch of teleport for jamming and
still allow teleports for wrong-lane situations.
You could try with setting another speed threshold (MSLane.cpp:1765)
I'd also accept a patch to make the speed threshold configurable
(--time-to-teleport.highways.speed)

Am Sa., 20. Apr. 2019 um 17:37 Uhr schrieb Michael Behrisch :

> Hi Lara,
> bad news first: No, I don't think it is possible yet. But actually most
> of the time it is not so clearly separated what the reason for the
> teleports is. A wrong lane can also occur if the correct lane is blocked
> due to heavy traffic, so I think you probably need to resolve them
> together.
>
> Best regards,
> Michael
>
> Am 18.04.19 um 10:51 schrieb Lara CODECA:
> > Dear Community,
> >
> > I'm trying to solve a teleportation issue..
> >
> > I have a simulation with 50K vehicles and people. It represent a morning
> rush-hour, so there a re different levels of congestion.
> > Thanks to the option  I can avoid
> teleportation on collision.
> > Unfortunately I still have many of them:
> > Teleports: 1155 (Jam: 521, Yield: 452, Wrong Lane: 182)
> >
> > From what I understood from the FAQ, "Jam" and "Yield" are related to
> congestion, and only "Wrong Lane" is actually required to avoid gridlocks
> on intersections and roundabouts.
> >
> > Is there a way, varying some parameters, to allow teleportations only
> for "Wrong Lane"?
> > I tried to play with "ignore-junction-blocker", "time-to-teleport",
> "max-depart-delay", "time-to-impatience" but it didn't work.
> >
> > Any ideas? Is it even possible?
> >
> > All the Best!
> > Lara
> >
>
>
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Re: [sumo-user] exporting sumo network (.net.xml) file as shape file

[Jakob Erdmann]

Maybe this helps:
https://sumo.dlr.de/wiki/Networks/Further_Outputs#.28Q.29GIS

Am Mi., 17. Apr. 2019 um 13:17 Uhr schrieb Michael Behrisch :

> Hi Barry,
> I am not entirely sure, what you are trying to achieve but it sounds
> more like
> you should try using netedit instead of converting the inputs several
> times
> between several formats or is there a reason to stay with arcgis? Also
> the
> splitting step for the osm ways is usually done by netconvert / netedit
> anyway
> so there should be no need for manual splits.
> Regarding your original question: There is no shapefile output in
> netconvert and
> I do not know of another tools which can do this.
>
> Best regards,
> Michael
>
> Am 2019-04-16 14:27, schrieb Evans, Barry:
> > Good afternoon,
> >
> > It's a bit of complicated one. I was wondering if it is possible, or
> > if there is a method or tool out there that can export edges and lanes
> > information from a .net.xml file to a shape file?
> >
> > My goal is to close edges between certain junctions in arcgis and
> > reference this data to close matching lane ID's in the .net.xml file
> > using the REROUTER. The one workaround I have is to load the OSM file
> > in ArcGIS and use planarise on polylines to spilt lines at junctions.
> > I then give all new line segments a new unique OSMID and save a shape
> > file. I then convert that back into an OSM file using JOSM and then
> > use NETCONVERT to create my new network.
> >
> > The issues I'm having is that by doing the above I no longer have
> > traffic light information that was present in the original OSM file
> > and that some of links between junctions become partially broken.
> >
> > Does anyone know if it's possible to therefore either export the roads
> > and lanes from .net.xml into a shape file
> >
> > Or
> >
> > Reattach the traffic light back to their original locations at the
> > relevant junctions.
> >
> > Any help would be greatly appreciated.
> >
> > Kind regards,
> >
> > Barry
> >
> >
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Re: [sumo-user] Coordinate system for osm.net.xml file outputs - Projection Problem

[Jakob Erdmann]

You can also use netconvert to get node and edge geometries in WGS84 by
calling
netconvert -s your.net.xml --plain-output-prefix plain --proj.plain-geo

Am Mi., 17. Apr. 2019 um 07:05 Uhr schrieb Michael Behrisch :

> Hi Barry,
> sumo's netconvert uses the proj library to convert WGS84 OSM coordinates
> to UTM and then adds an offset to have the lower left corner
> approximately at 0,0 (to make the coordinates easier to read and reduce
> floating point errors when calculating). To convert it back the easiest
> way is to use sumolib, see
> https://sumo.dlr.de/wiki/Tools/Sumolib#coordinate_transformations but if
> you want to do it yourself you can just subtract the offset from your
> coordinates and project it back from UTM with the tool of your choice
> (if you use proj, you have the proj option string already there).
>
> Best regards,
> Michael
>
> Am 16.04.19 um 18:23 schrieb Evans, Barry:
> > Hi all,
> >
> >
> >
> > I’ve used the WebWizard to generate a network file and I’ve converted
> > the lines into a JSON format. I need to fix the projection though as to
> > overlay it onto a map. The line coordinates are defined as followed:
> >
> >
> >
> > shape="2341.81,2313.86 2340.45,2313.94 2339.52,2313.95 2338.58,2313.93
> > 2337.22,2313.89"
> >
> >
> >
> > I assume these maybe coordinates from a lower left corner. Does anyone
> > know how to use the reference data to convert these to British national
> > Grid or to Lat Longs (WGS84). The location coordinate component which
> > gives some information shows this:
> >
> >
> >
> >  > convBoundary="0.00,-0.00,5740.81,3968.92"
> > origBoundary="-2.712703,51.422728,-2.534214,51.500660"
> > projParameter="+proj=utm +zone=30 +ellps=WGS84 +datum=WGS84 +units=m
> > +no_defs"/>
> >
> >
> >
> > I can’t see how to use this to reproject the data though.
> >
> >
> >
> > Any help would be greatly appreciated.
> >
> >
> >
> > Kind regards,
> >
> >
> >
> > Barry
> >
> >
> >
> > Dr Barry Evans BSc(Hons), MSc, PhD
> >
> > College of Engineering, Mathematics and Physical Sciences,
> >
> > Harrison Building,
> >
> > University of Exeter,
> >
> > North Park Road,
> >
> > Exeter,
> >
> > EX4 4QF
> >
> >
> >
> > Tel: +44(0)1392724075
> >
> > Email: b.ev...@exeter.ac.uk 
> >
> >
> >
> >
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>
>
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[sumo-user] EVs output

[Bram Hoydongs]

I am working with normal trucks (using fuels) and EVs.
As output, I need the fuel consumption for the normal trucks and the energy
consumption for EVs.
Therefore, I use the emissions device. In the declaration of the vTypes, I
state "HBEFA3/LDV" for the conventional trucks and "Energy/unknown" for the
EVs.
I do not use the battery device. Is this the right way to get the correct
output regarding the energy consumption of EVs?
I get output values, but I am not sure if these are correct. for example, a
trip of 5514 meters has a value for 'electricity_abs' equal to 15462 Wh.
This would mean that the efficiency is extremely low.
Perhaps the parameter 'electricity_abs' is not expressed in Wh?

Thank you in advance.
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Re: [sumo-user] rou.xml files

[Jakob Erdmann]

If your scenario was created with osmWebWizard than it should come with
(random) cars by default. just open 'osm.sumocfg' in sumo-gui.
Also, with Netedit version 1.2 you can create routes and vehicles
graphically.


Am Mo., 15. Apr. 2019 um 15:59 Uhr schrieb Oscar Kohn :

> I have tried these tools, however it seems i need a route input file
> first? I have downloaded a network of my town using the osmWebWizard.py
> tool, but i do not know how to start the simulation with cars as nothing
> ive tried seems to work
>
> On Mon, Apr 15, 2019 at 1:55 PM iCashWave  wrote:
>
>> Hi,
>> You can use  jtrrouter.exe, dfrouter.exe, or duarouter.exe  tool.
>> You don't need to write the route file manually.
>>
>> --
>>
>> https://sumo.dlr.de/wiki/Demand/Routing_by_Turn_Probabilities
>>
>> https://sumo.dlr.de/wiki/Demand/Routes_from_Observation_Points
>>
>> https://sumo.dlr.de/wiki/DUAROUTER
>>
>>
>>
>>
>>
>>
>> Oscar Kohn  於 2019年4月15日 週一 20:30寫道：
>>
>>> Hi,
>>>
>>> I was just wondering if there is a tool for creating route files or if
>>> you have to manually type in each line for yourself, as it seems wrong to
>>> be typing in each vehicle individually when i want around 1000 vehicles.
>>>
>>> Could you also point me to some instructions on how to use the tool if
>>> there is one
>>>
>>> Kind regards,
>>> Oscar Kohn
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Re: [sumo-user] Get Weight/Distance/Length of particular Lane/Edge

[Jakob Erdmann]

you can use edge.getLanes() and lane.getLength()

see https://sumo.dlr.de/daily/pydoc/sumolib.net.edge.html
https://sumo.dlr.de/daily/pydoc/sumolib.net.lane.html

Am Mo., 15. Apr. 2019 um 09:03 Uhr schrieb Bijal :

> Dear Sir,
>
> How to get the Weight/Distance/Length of particular Edge/Lane?
>
> I want to do something like :
>
>
> *for edge in graph.getEdges():*
>   //Get All the Lane of this *edge.getID()*
>  //Get the Length of All the above Lanes
> //Set the length/Distance to the adjacency matrix
> Please help me to understand how to get this?
>
> *:)*
> Bijal Varia
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Re: [sumo-user] coordinated scenarios

[Jakob Erdmann]

All you need to do is load the coordinated signal plans with the
appropriate offsets when running the simulation. See
https://sumo.dlr.de/wiki/Simulation/Traffic_Lights#Loading_a_new_Program
https://sumo.dlr.de/wiki/Simulation/Traffic_Lights#Modifying_Existing_TLS-Programs

Am So., 14. Apr. 2019 um 16:28 Uhr schrieb Paolo Camacho :

> Hi,
>
> I'm trying to set up a scenario of a coordinated traffic light network. I
> have the signals plans of the intersections and the synchronism and
> offsets, of the current operation of the network, but I do not know how to
> perform the coordination simulation in sumo. Someone could help me?,
> please...
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