Re: [sumo-user] The traffic simulation at the complex intersection

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

To run the simulation you need a .net.xml file (the network).

This .net.xml file can be created either

1) directly from osm or

2) created / edited with netedit or

3) created with netconvert from .nod.xml and .edg.xml files.

Sine you are using methods 1) and 2) you do not need an .edg file.

To define the traffic in your simulation you either

1) create a .rou.xml file by hand with the format described here: http://sumo.dlr.de/wiki/Definition_of_Vehicles,_Vehicle_Types,_and_Routes

2) import or generate traffic data with the methods described here: http://sumo.dlr.de/wiki/SUMO_User_Documentation#Data_sources_for_demand_generation

3) generate vehicles while the simulation is running with TraCI http://sumo.dlr.de/wiki/TraCI/Change_Vehicle_State (method traci.vehicle.add)

regards,

Jakob

2018-06-24 5:00 GMT+02:00 Manh Do Van <manhdv@xxxxxxxxxx>:

Dear Mr. Jakob,

Many thanks for your help, I have already extracted "*.osm" file from OpenStreetMap for my project but you know in Taiwan the "*osm" file has a lot of mistakes and errors especially the geometry of intersection is not true and causes many problems referred to the lanes, links, traffic light... That's why I have to use the NetEdit to make "*.net.xlm" file.

Could you send me the materials ( web links or videos) referred to "Traci sub" that I do not need creat the ".rou.xml", "*.edge.xml" file and also just create "*.net.xm"? 

regards,

Bean.

2018-06-23 15:48 GMT+08:00 Jakob Erdmann <namdre.sumo@xxxxxxxxx>:

Hello,

- if you use netedit, then you do not need the .nod.xml and .edg.xml files

- you can use netedit to create visual objects (shapes and POIs) directly. However, it is recommended to start with an open-streetmap import because many things were already defined by other people. You can usually get a good start with this: http://sumo.dlr.de/wiki/Tutorials/OSMWebWizard

- there is currently no graphical tool to generate the .rou.xml files. If you do not have traffic data, you can use the random traffic: http://sumo.dlr.de/wiki/Tools/Trip#randomTrips.py. If you use option --flows this makes it very easy to hand-tune the traffic manually afterwards

regards,

Jakob

2018-06-23 6:36 GMT+02:00 Manh Do Van <manhdv@xxxxxxxxxx>:

Dear all Sumo-user, 

My name is Bean and I am a lecturer at University of transport and communications in Vietnam, I am a new sumo-user. In recent days, I spend much time to research the methodologies of Sumo and how can it deal with my project named " The traffic simulation at the complex intersection" in Taiwan. And right now I need your help and support. 

First of all, I use TraCI for my project. Unfortunately, I have already finished the "*...net.xml" file by NetEdit software. If I want to use TraCI and python code of TraCI, I have to finish a lot of files first, for example, the (...nod.xml, *.rou.xml, ..,.edg.xml). 

So how can I solve this problem?

The second question is How I can use the NetEdit to draw the medium traffic where plant the trees, grass, flowers, etc... between two lanes?

Many thanks. 

--

Many thanks and Best Regard !

Manh, Do Van ( Mr )

Civil Engineering Faculty

UNIVERSITY OF TRANSPORT AND COMMUNICATIONS
Add: No.3 Cau Giay St, Lang Thuong Ward, Dong Da Dist, Ha Noi Viet Nam

Mobile : +84-972573673

Email: manhdv@xxxxxxxxxx ; manhtracdiaviet@xxxxxxxxx

Website: http://www.utc.edu.vn

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--

Many thanks and Best Regard !

Manh, Do Van ( Mr )

Civil Engineering Faculty

UNIVERSITY OF TRANSPORT AND COMMUNICATIONS
Add: No.3 Cau Giay St, Lang Thuong Ward, Dong Da Dist, Ha Noi Viet Nam

Mobile : +84-972573673

Email: manhdv@xxxxxxxxxx ; manhtracdiaviet@xxxxxxxxx

Website: http://www.utc.edu.vn

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