Unrecognized method, property, or field 'ReferencePoint' for class 'DrivingStrategy'.
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I am getting this error while trying to run the example code at GitHub - mathworks/OpenTrafficLab: OpenTrafficLab is a MATLAB environment capable of simulating simple traffic scenarios with modular vehicle and junction controllers.
The lastb code block is the one returning the error
%Advance the Scenario
while advance(scenario)
plotOpenPaths(trafficLight)
drawnow limitrate
end
Unrecognized method, property, or field 'ReferencePoint' for class 'DrivingStrategy'.
if isa(obj.Scenario.Actors(i),"driving.scenario.Vehicle") && ~isa(motionStrategy,"driving.scenario.Stationary") && isequal(motionStrategy.ReferencePoint, "front-axle")
a = actorPoses(obj.Scenario);
obj.SensorSimulation.addActors(actorProfiles(obj), actorPoses(obj));
setUpSensorSimulation(obj.Scenario);
running = advance(obj.Scenario);
回答（2 个）
Altaïr
2025-6-4
0 个投票
The GitHub example notes that testing was done using MATLAB R2020b. In R2024b, a new FrontAxlePosition field was introduced as part of the actor's pose.
Some related updates can also be seen in the actorPoses function, to update the FrontAxlePosition property of the actors.
R2021a:
R2024b:
To resolve the error, I had to make few adjustments to the DrivingStrategy class in the example:
- Added a new property called ReferencePoint to the class.
- Updated the accessibility of dependent properties to public.
Brandon Junior
2025-10-25
0 个投票
You need to open the "DrivingStrategy.m" file and add the "ReferencePoint" property to the properties block.
ReferencePoint = 'Rear axle';
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2025-10-25
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