17 lines
		
	
	
		
			671 B
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			671 B
		
	
	
	
		
			C++
		
	
	
NonlinearFactorGraph graph;
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noiseModel::Diagonal::shared_ptr priorNoise =
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  noiseModel::Diagonal::Sigmas(Vector3(0.3, 0.3, 0.1));
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graph.addPrior(1, Pose2(0, 0, 0), priorNoise);
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// Add odometry factors
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noiseModel::Diagonal::shared_ptr model =
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  noiseModel::Diagonal::Sigmas(Vector3(0.2, 0.2, 0.1));
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graph.add(BetweenFactor<Pose2>(1, 2, Pose2(2, 0, 0     ), model));
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graph.add(BetweenFactor<Pose2>(2, 3, Pose2(2, 0, M_PI_2), model));
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graph.add(BetweenFactor<Pose2>(3, 4, Pose2(2, 0, M_PI_2), model));
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graph.add(BetweenFactor<Pose2>(4, 5, Pose2(2, 0, M_PI_2), model));
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// Add the loop closure constraint
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graph.add(BetweenFactor<Pose2>(5, 2, Pose2(2, 0, M_PI_2), model));
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