13 lines
		
	
	
		
			617 B
		
	
	
	
		
			Matlab
		
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			617 B
		
	
	
	
		
			Matlab
		
	
	
%% Initialize graph, initial estimate, and odometry noise
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datafile = findExampleDataFile('sphere2500.txt');
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model = noiseModel.Diagonal.Sigmas([5*pi/180; 5*pi/180; 5*pi/180; 0.05; 0.05; 0.05]);
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[graph,initial] = load3D(datafile, model, true, 2500);
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plot3DTrajectory(initial, 'g-', false); % Plot Initial Estimate
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%% Read again, now with all constraints, and optimize
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graph = load3D(datafile, model, false, 2500);
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graph.add(NonlinearEqualityPose3(0, initial.atPose3(0)));
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optimizer = LevenbergMarquardtOptimizer(graph, initial);
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result = optimizer.optimizeSafely();
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plot3DTrajectory(result, 'r-', false); axis equal;
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