TraCI4Matlab
TraCI4Matlab is an implementation of the TraCI (Traffic Control Interface) protocol that allows the user to interact with SUMO (Simulation of Urban MObility, www.sumo-sim.org) in a client-server scenario in which Matlab acts as the client, and SUMO as the server. TraCI4Matlab is compatible with traci version 10 and previous versions.
Cite As
Andres Acosta (2019). TraCI4Matlab (https://www.mathworks.com/matlabcentral/fileexchange/44805-traci4matlab), MATLAB Central File Exchange. Retrieved .
Acosta, Andr{\'{e}}s F., et al. “{TraCI}4Matlab: Enabling the Integration of the {SUMO} Road Traffic Simulator and Matlab{\Textregistered} Through a Software Re-Engineering Process.” Modeling Mobility with Open Data, Springer International Publishing, 2015, pp. 155–170, doi:10.1007/978-3-319-15024-6_9.
Comments and Ratings (59)
Updates
| 3.0.0.0 | Update for SUMO Version 1.1.0 (TraCI version 19):
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| 2.9.0.0 | Fixed the moveToXY.m command of the vehicle package and implemented the getPhaseDuration.m command of the trafficlights package, thanks to Lawrence Soon. |
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| 2.8.0.0 | Corrections to the new implemented commands |
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| 2.7.0.0 | New traci.vehicle commands added |
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| 2.6.0.0 | Removed old documentation and added two vehicle commands:
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| 2.5.0.0 | Removed old documentation and added two vehicle commands:
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| 2.4.0.0 | Updated documentation |
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| 2.3.0.0 | Updated the examples folder |
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| 2.2.0.0 | Fixed traci_test2.m |
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| 2.1.0.0 | Added vehicle commands getStopState and resume. Corrected issues in traci_test.m. |
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| 2.0.0.0 | -Fixed a bug in RETURN_VALUE_FUNC.m for lane commands, thanks to Babangida Zachariah
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| 1.9.0.0 | Made some corrections for traci version 10, specifically the setAllowed.m add.m and moveToVTD.m commands. Also, made some modifications for supporting multiple connections to several SUMO instances. |
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| 1.8.0.0 | Updated the vehicle property in the RETURN_VALUE_FUNC.m constants, thanks to Marcus Müller. |
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| 1.7.0.0 | Updated the screenshot |
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| 1.7.0.0 | Major update. TraCI4Matlab now supports TraCI version 9, including the pedestrian commands and a new test scenario for pedestrians. Other update notes include:
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| 1.6.0.0 | Included the compatibility with traci version 8 and previous versions in the description. |
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| 1.5.0.0 | Updated to support SUMO release 0.20.0, including lane areal detectors. Included a user's manual. |
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| 1.4.0.0 | Corrected a license issue |
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| 1.2.0.0 | Changed the traci_test script to make it more easy to run. |
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| 1.1.0.0 | Bug correction in the traci_test.m script. |
MATLAB Release Compatibility
Platform Compatibility
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Acknowledgements
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Mun Chon Ho (view profile)
trafficLight.getNextSwitch() and trafficLight.getPhaseDuration() return wrong values because of the double conversion
Seho Han (view profile)
Hasanain Alabbas (view profile)
Dear Andreas
I used this command "traci.vehicle.getAcceleration(VehId)" and I got this error "Undefined variable "traci" or class "traci.vehicle.getAcceleration"". I updated the library traci4matlab by downloading the last version but still does not work. Is there anything else should I do ?
By the way, this command works fine "traci.vehicle.getAccel(VehId)" but I need the accelaration of each vehicle in every time step.
adnan karaca (view profile)
Hello Andreas
i execute traci_test2 just fine.
the weird think is in contains traci.trafficligths.setRedYellowGreenState function
but when i try to use this function in my matlab function the simulation freezes and i get this error message on matlab command window:
"
Undefined variable "traci" or class "traci.trafficligths.setRedYellowGreenState".
Error in oneintersect(line 61)
traci.trafficligths.setRedYellowGreenState('n2', phase_seq(j+1,:));
"
what do you think might be the problem?
chaoyi chen (view profile)
Andres Acosta (view profile)
Also, recall that the default port is now 8813.
chaoyi chen (view profile)
hi Andres,
Thanks for your kindly updating, but i still find something wrong with traci.init and traci.start.
Error in this line:
[traciVersion,sumoVersion] = traci.init();
connections(label).connect(host, port);
I think it's something with the IP address and port. I use matlab 2018B and the latest SUMO version, i have tested to run SUMO in python and it works just fine.
Thank you again!
Andres Acosta (view profile)
Dear Adnan,
I just tested the command with the traci_test2.m script and it works fine. Please make sure you have the latest TraCI4Matlab version. A minimal example would look like this, in the main loop of the traci_test2.m file:
while traci.simulation.getMinExpectedNumber() > 0
traci.simulation.step();
vehicles = traci.vehicle.getIDList();
if ismember(testVehicle, vehicles)
vehWaitingTime = traci.vehicle.getWaitingTime(testVehicle)
end
end
Best Regards.
adnan karaca (view profile)
When i try to use getWaitingTime function the simulation crashes and i get this message:
Error using containers.Map/subsref
The specified key is not present in this container.
Error in traci.edge.getUniversal (line 22)
handleReturValueFunc = str2func(ReturnValueFunc(varID));
Error in traci.edge.getWaitingTime (line 12)
waitingTime = traci.edge.getUniversal(constants.VAR_WAITING_TIME, edgeID);
Andres Acosta (view profile)
New update, version 3.0.0.0. Update for SUMO Version 1.1.0 (TraCI version 19), including the following improvements:
- Implemented all missing commands from SUMO version 0.30.0, including the vehicle filter context commands
- Now traci accepts time arguments as double-valued integers in seconds, which fixed the traci.simulationStep command
- New traci.start command, which facillitates instantiation
- Improved error management and argument validation in several commands
Peter Riegl (view profile)
Hello everyone,
when I run the examples inter_palmas_actuated.m and traci_test2.m I got in SUMO the error:
Error: tcpip::Storage::readIsSafe: want to read 8 bytes from Storage, but only 4 remaining
Quitting (on error).
In Matlab I got the error:
Error using traci.recvExact (line 35)
Java exception occurred:
java.io.EOFException
at java.io.DataInputStream.readInt(Unknown Source)
Error in traci.sendExact (line 23)
result = traci.recvExact();
Error in traci.simulationStep (line 43)
result = traci.sendExact();
Error in traci_test2 (line 307)
traci.simulationStep();
Has I anybody an idea how ti solve this problem?
Thank a lot
Yevhen (view profile)
Hello everyone.
I have a problem with traci.simulationStep();
Fro example I use test example inter_palmas_actuated . But whenever I launch any script contaning traci.simulationStep(); I get following error in SUMO:
Error: tcpip::Storage::readIsSafe: want to read 8 bytes from Storage, but only 4 remaining
Quitting (on error).
and next error is shown in Matlab:
Error using traci.recvExact (line 35)
Java exception occurred:
java.io.EOFException
at
java.io.DataInputStream.readInt(DataInputStream.java:392)
Error in traci.sendExact (line 23)
result = traci.recvExact();
Error in traci.simulationStep (line 43)
result = traci.sendExact();
Error in inter_palmas_actuated (line 65)
traci.simulationStep();
I would really apreciate to get some help with that problem
Thanks
amirhossein sarfi (view profile)
Hi I have problem with adding TraCI4Matlab, Can anybody help me please?
sofiene abidi (view profile)
Hi Andres,
I am trying to use function rerouteParkingArea(), but i can't find it any where even in the constant file is not defined,..
is it not implemented in matlab? and if so could you help me to implement it...
Thanks
Semaria Ruiz (view profile)
abdo housni (view profile)
j pas compris
jai besoin d'aide svpl
Error: tcpip::Socket::accept() Unable to create listening socket: Address already in use
Quitting (on error).
Mikolaj Garbarek (view profile)
To be more precise, the aim is to allow two-way communication between SUMO and Matlab at each time step.
shuowang wang (view profile)
Hi Andres,
I install SUMO and added TraCl4Matlab.The test-files runs successfully,but When I run my edited file quickstart.m following messages is given:
Error using traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
Error in traci.init (line 65)
connections(label).connect(host, port);
Error in quickstart (line 19)
traci.init(8813);
This is my sumo- quickstart.configuration file:
<?xml version="1.0" encoding="iso-8859-1"?>
<configuration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="http://sumo.sf.net/xsd/sumoConfiguration.xsd">
<input>
<net-file value="quickstart.net.xml"/>
<route-files value="quickstart.rou.xml"/>
</input>
<time>
<begin value="54000"/>
<end value="54900"/>
</time>
<report>
<verbose value="true"/>
<no-step-log value="true"/>
</report>
<traci_server>
<remote-port value="8813"/>
</traci_server>
</configuration>
And this is my quickstart.m file:
clear
close all
clc
import traci.constants
% Get the filename of the example scenario
[scenarioPath,~,~] = fileparts(which(mfilename));
% scenarioPath = [scenarioPath '\inter_palmas'];
cd(scenarioPath);
system(['sumo-gui -c ' './quickstart.sumocfg &']);
SIM_STEPS = [1 3600];
beginTime = SIM_STEPS(1);
duration = SIM_STEPS(2);
endTime = SIM_STEPS(1) + SIM_STEPS(2) - 1;
traci.init(8813);
Kunyue Du (view profile)
Hi Andres,
I am trying use some command about sublane model, for example changeSublane, but it doesn't work, is it not implemented in matlab?
sachal abdullah (view profile)
How can i link this with SUMO ?
Andres Acosta (view profile)
Dear Pradeep Kumar.
I have fixed this issue in the lastest version, i.e. version 2.9. Thanks for noticing it.
Best Regards.
pradeep kumar (view profile)
Hello Andres Acosta and others,
Firstly thanks for the update. But please note that in the latest version 2.8, constants are incorrect for vehicle moveTo command. Instead of VAR_MOVE_TO_VTD it is defined as MOVE_TO_XY while in traci.vehicle.moveToXY() function VAR_MOVE_TO_VTD is used and not MOVE_TO_XY.
Mun Chon Ho (view profile)
Hi Andres,
There are some simulation command missing such as saving state.
http://www.sumo.dlr.de/daily/pydoc/traci._simulation.html#SimulationDomain-saveState
Fried Rice (view profile)
Mun Chon Ho (view profile)
pradeep kumar (view profile)
Andres Acosta (view profile)
Dear Mr. Duc Le.
We have developed an implementation of the sumolib library for Java/Matlab:
https://www.mathworks.com/matlabcentral/fileexchange/51967-sumolib4matlab
The Net class has the convertLonLat2XY method which is what you are looking for. We hope to document this library soon, but you can find the documentation of the corresponding python implementation useful (http://sumo.dlr.de/wiki/Tools/Sumolib). Additionally, there is an example: net_test.m.
Duc Le (view profile)
Hi,
I want to add a PoI to the SUMO network using to traci.poi.add(poiID, x, y, color...). However, I have only position of PoI in lat/lon-coordinates.
Is there any equation which I can apply to convert the lat/lon-coordinates to xy-coordinates? Then add the PoI to the network using the converted xy-coodinates.
Thanks.
Andres Acosta (view profile)
Dear Sebastian.
We have updated TraCI4Matlab in the update 2.7, including some vehicle commands.
Best Regards,
Sebastian Maier (view profile)
Is there a changelog? I can't find any... Can somebody help?
Thanks for all the work with T4M!
jia xu (view profile)
Duc Le (view profile)
Dear All,
I want to get the CO2 concentration value of a particular position p(x, y) in the simulation area during the simulation time? This value may be sum of CO2 emission values of all vehicles, which currently are located within the given range centered at the position p(x, y).
I would appreciate much if you would provide me any suggestion on this problem?
Best regards,
Duc Van Le.
Kunle Olutomilayo (view profile)
As an help to others. I followed Andres Acosta's instruction to add traci4matlab.jar to Matlab's' static java path file (scroll down for the link he gave).
Thereafter, I successfully tested with \examples\inter_palmas\tls_actuated\inter_palmas_actuated.m per his directive.
I will advise that these information be included in \TraCI4Matlab_User_Manual.pdf
Thanks to all.
PS: SUMO version 0.29.0.
gleepglorp (view profile)
yeisson estiben tulande (view profile)
Dear Andres:
I have a problem with the example interpalmas.sumocfg communication is established by port 8873, but the sumo-gui does not run. And print the message: "simulation ended at time 50400 reason traci requested termination" could you help me please thanks.
Andres Acosta (view profile)
Dear Hemant
You can find the log file in the same directory where the scenario is located. Can you give us more information about the error?
Regards.
hemant sharma (view profile)
Dear Andres,
I am trying to run the examples given in the folders. SUMO starts but simulation doesnt run even after pressing the play button in the SUMO itself and there is some error after some time and it tells me to see the log file. I don't know why its happening and I don't know where this log file is?
Pablo Báez (view profile)
Dear Andres,
In the current Traci/Vehicle Value Retrieval specification command with id 0x71 is designed as electricity consumption, with its associated instruction getElectricityConsumption.
As this instruction is not yet specifically implemented in the last version of traci4matlab (0x71 is defined in constants.m as VAR_LOADED_VEHICLES_NUMBER), I would like to know if doing a getUniversal with 0x71 as command would return the actual electricity consumption, or if there is any other solution.
Thank you in advance for your kind attention and for all the work you've shared.
stelios krasadakis (view profile)
Dear Andres,
Thank you for your suggestions and support. SUMO call works fine.
I wanted to ask you if we can get some tips about your tracitest2. More specific consider 1 intersection with 1 green light and others red in each cycle, i set up
NGREEN = 'GGGGrrrrrrrrrrrr';
NYELLOW = 'yyyyrrrrrrrrrrrr';
SGREEN = 'rrrrGGGGrrrrrrrr';
SYELLOW = 'rrrryyyyrrrrrrrr';
WGREEN = 'rrrrrrrrrrrrGGGG';
WYELLOW = 'rrrryyyyrrrryyyy';
EGREEN= 'rrrrrrrrGGGGrrrr';
EYELLOW= 'rrrrrrrryyyyrrrr';
PROGRAM = {NGREEN,NYELLOW,SGREEN,SYELLOW,WGREEN,WYELLOW,EGREEN,EYELLOW};
but in simulation all of my lights are red except south road which is yellow constantly.
Do you have any suggestions or maybe i misunderstand something ?!
Thank you in advance for your assistance.
Andres Acosta (view profile)
Dear Stelios
We recommend to verify TraCI4Matlab starting with the example found at \examples\inter_palmas\tls_actuated\inter_palmas_actuated.m, before trying the traci_test2.m example, since the latter implies to run the ''TraCI for Traffic Lights'' SUMO tutorial using the Python client.
Regards
Andres Acosta (view profile)
For those experiencing problems with MATLAB:UndefinedFunctionUndefined function 'DataReader', please add traci4matlab.jar to your static java path file, as explained in https://www.mathworks.com/help/matlab/matlab_external/bringing-java-classes-and-methods-into-matlab-workspace.html#f111065
Best Regards
stelios krasadakis (view profile)
Update, i've got no errors.
I just cant see any simulation. SUMO starts and stays at time 0 till the following messages appear on matlab :
MATLAB:UndefinedFunctionUndefined function 'DataReader' for input arguments of type 'java.io.DataInputStream'.
Attempt to reference field of non-structure array.
Error in traci.sendExact (line 19)
activeConnection.dos.writeInt(len);
Error in traci.getVersion (line 23)
result = traci.sendExact();
Error in traci.init (line 75)
[traciVersion,sumoVersion] = traci.getVersion();
Error in traci_test2 (line 72)
traci.init();
stelios krasadakis (view profile)
Hello.
I'm trying to use your "library" for my simulations but i experience some problems. First of all i wanted to ask you whether the port number is 8813 or 8873(in your code port is 8873) but in your sumoconf you set at 8813 ?
Other errors are:
Error using traci.Socket/connect (line 25)
Error in traci.init (line 65)
Error in traci_test2 (line 72)
PS. I am sure that this library should be extremely useful for Research Com.
PS2. I'm thinking that if you had not contributed with this package, in this stage of my thesis i should also develop the connection between them so i really appreciate your work !!!
Jan Kularnik (view profile)
Hi,
I have same problem as A.F.M. Shahen Shah mentioned before. Does anyone know how to solve this problem?
Thank you in advance
A. F. M. Shahen Shah (view profile)
Earlier time there was huge errors in MATLAB. There was problems with Java as Ilhan Sir told me because a lot of errors was showed related to java. Then I update Java in my computer and then I run the test file again. Now I get very few errors which are given below.
MATLAB:UndefinedFunctionUndefined function 'DataReader' for input arguments of type 'java.io.DataInputStream'.
Attempt to reference field of non-structure array.
Error in traci.sendExact (line 19)
activeConnection.dos.writeInt(len);
Error in traci.getVersion (line 23)
result = traci.sendExact();
Error in traci.init (line 75)
[traciVersion,sumoVersion] = traci.getVersion();
Error in traci_test2 (line 72)
traci.init();
I think there is problem with traci file. Please give me some suggestion in this regards.
Ali Aliedani (view profile)
hi,
i have install matlab and SUMO and added traci, when i run traci_test2.m; the SUMO graph display but without vehicles and in matlab display the following message:
MATLAB:UndefinedFunctionUndefined function 'DataReader' for input arguments of type 'java.io.DataInputStream'.
Attempt to reference field of non-structure array.
Error in traci.sendExact (line 19)
activeConnection.dos.writeInt(len);
Error in traci.getVersion (line 23)
result = traci.sendExact();
Error in traci.init (line 75)
[traciVersion,sumoVersion] = traci.getVersion();
Error in traci_test2 (line 72)
traci.init();
A. F. M. Shahen Shah (view profile)
I install SUMO and added TraCl4Matlab. But when I run script traci_test2.m following message is given:
Error using traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
Error in traci.init (line 65)
connections(label).connect(host, port);
Error in traci_test2 (line 72)
traci.init();
Error using traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
Error in traci.init (line 65)
connections(label).connect(host, port);
Error in traci_test2 (line 72)
traci.init();
Error using traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
Error in traci.init (line 65)
connections(label).connect(host, port);
Error in traci_test2 (line 72)
traci.init();
Error using traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
Error in traci.init (line 65)
connections(label).connect(host, port);
Error in traci_test2 (line 72)
traci.init();
Error using traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
Error in traci.init (line 65)
connections(label).connect(host, port);
Error in traci_test2 (line 72)
traci.init();
Error using traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
Error in traci.init (line 65)
connections(label).connect(host, port);
Error in traci_test2 (line 72)
traci.init();
Error using traci.Socket/connect (line 25)
Java exception occurred:
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
Error in traci.init (line 65)
connections(label).connect(host, port);
Error in traci_test2 (line 72)
traci.init();
MATLAB:Java:GenericExceptionJava exception occurred:
java.net.SocketException: Socket is not connected
at java.net.Socket.getInputStream(Unknown Source)
Attempt to reference field of non-structure array.
Error in traci.sendExact (line 19)
activeConnection.dos.writeInt(len);
Error in traci.getVersion (line 23)
result = traci.sendExact();
Error in traci.init (line 75)
[traciVersion,sumoVersion] = traci.getVersion();
Error in traci_test2 (line 72)
traci.init();
Tu Nguyen Anh (view profile)
Avinash Vallur (view profile)
I recently found out that sumo has a functionality that can yield data concerning the upcoming TLS from the SUMO wiki page (link below)
http://sumo.dlr.de/wiki/TraCI/Vehicle_Value_Retrieval
I am currently using TracI4Matlab to conduct my simulations (co-simulation between MATLAB and SUMO). I am unable to find the 'getNextTLS' function in TraCI. It also turns out that the variable ubyte corresponding to this signal ('0x70') is being used by some other function. Makes me wonder if this functinality exists in SUMO at all.
Has any one managed to use this tool? If so how did you implement it?
Thanks in advance,
Regards,
Avinash
prudhvi raj rongali (view profile)
Hello all,
I finished the installation of SUMO and followed the instructions as in the user manual in TraCI4Matlab.
when I run the traci_test2.m file to
test TraCI4Matlab I am getting the following error
"Attempt to reference field of non-structure array.
Error in traci.sendExact (line 19)
activeConnection.dos.writeInt(len);
Error in traci.getVersion (line 23)
result = traci.sendExact();
Error in traci.init (line 75)
[traciVersion,sumoVersion] = traci.getVersion();
Error in traci_test2 (line 67)
traci.init();"
Can anyone help me with this ?
Thanks in advance.
Kevin (view profile)
After the addition of Electric Vehicles, i needed a way to access the specific Parameters like actualBatteryCapacity and what not; so i added 2 scripts (getParameter and setParameter), which can be used to access and set those Parameters (and more if needed):
function paramValue = getParameter(vehID, paramName)
import traci.constants
global message
traci.beginMessage(constants.CMD_GET_VEHICLE_VARIABLE, constants.VAR_PARAMETER,...
vehID, 1+4+length(paramName));
message.string = [message.string uint8(sscanf(constants.TYPE_STRING,'%x')) ...
traci.packInt32(length(paramName)) uint8(paramName)];
paramValue = traci.checkResult(constants.CMD_GET_VEHICLE_VARIABLE, constants.VAR_PARAMETER, vehID).readString();
and
function setParameter(vehID, paramName, paramValue)
%setParameter set a Parameter for a vehicle
import traci.constants
global message
traci.beginMessage(constants.CMD_SET_VEHICLE_VARIABLE, constants.VAR_PARAMETER,...
vehID, 1+4+1+4+length(paramName)+1+4+length(paramValue));
message.string = [message.string uint8(sscanf(constants.TYPE_COMPOUND,'%x')) ...
traci.packInt32(2)];
message.string = [message.string uint8(sscanf(constants.TYPE_STRING,'%x')) ...
traci.packInt32(length(paramName)) uint8(paramName)];
message.string = [message.string uint8(sscanf(constants.TYPE_STRING,'%x')) ...
traci.packInt32(length(paramValue)) uint8(paramValue)];
traci.sendExact();
just call
actBatCap = traci.vehicle.getParameter(vehID, 'actualBatteryCapacity');
Michael (view profile)
I use it on win and mac.
On mac I had to slightly fix the traci.init, due to problems with the generation of javapath needs platform dependent fileseperators.
the following worked for me (modified lines at the beginning of the traci.init)
isInPath = ismember(dynJavaPath,fullfile(fileparts(pathstr),'traci4matlab.jar'));
if(~any(isInPath) || isempty(isInPath))
javaaddpath(fullfile(fileparts(pathstr),'traci4matlab.jar'));
end
pencil (view profile)
New version of Sumo has defined Electric Vehicle and Charging Station,so I am wondering how to get and set EV's parameters like actualBatteryCapacity
Andres Acosta (view profile)
Dear Mr Sharan. Thank you so much for your contribution. It will be fixed in the next traci4matlab version. Additionally, we apologize for the late response.
Best Regards!
SUJIT SHARAN (view profile)
In setLaneChangeMode.m there is bug. Please update that file with the line mentioned below:
traci.sendIntCmd(constants.CMD_SET_VEHICLE_VARIABLE, constants.VAR_LANECHANGE_MODE, vehID, lcm);
Here VAR_LANECHANGEMODE is replaced by VAR_LANECHANGE_MODE.
SUJIT SHARAN (view profile)
Yuksel Celik (view profile)
Yuksel (view profile)
Jorge Espinosa (view profile)