55 lines
1.3 KiB
Matlab
55 lines
1.3 KiB
Matlab
function plot3DTrajectory(values,linespec,frames,scale,marginals)
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% plot3DTrajectory plots a 3D trajectory
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% plot3DTrajectory(values,linespec,frames,scale,marginals)
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if ~exist('scale','var') || isempty(scale), scale=1; end
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if ~exist('frames','var'), scale=[]; end
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import gtsam.*
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haveMarginals = exist('marginals', 'var');
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keys = KeyVector(values.keys);
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holdstate = ishold;
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hold on
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% Plot poses and covariance matrices
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lastIndex = [];
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for i = 0:keys.size-1
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key = keys.at(i);
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x = values.at(key);
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if isa(x, 'gtsam.Pose3')
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if ~isempty(lastIndex)
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% Draw line from last pose then covariance ellipse on top of
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% last pose.
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lastKey = keys.at(lastIndex);
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lastPose = values.at(lastKey);
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plot3([ x.x; lastPose.x ], [ x.y; lastPose.y ], [ x.z; lastPose.z ], linespec);
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if haveMarginals
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P = marginals.marginalCovariance(lastKey);
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else
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P = [];
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end
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gtsam.plotPose3(lastPose, P, scale);
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end
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lastIndex = i;
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end
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end
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% Draw final pose
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if ~isempty(lastIndex)
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lastKey = keys.at(lastIndex);
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lastPose = values.at(lastKey);
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if haveMarginals
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P = marginals.marginalCovariance(lastKey);
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else
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P = [];
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end
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gtsam.plotPose3(lastPose, P, scale);
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end
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if ~holdstate
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hold off
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end
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end |