61 lines
1.4 KiB
Matlab
61 lines
1.4 KiB
Matlab
function VisualISAMPlot(truth, data, isam, result, options)
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% VisualISAMPlot plots current state of ISAM2 object
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% Authors: Duy Nguyen Ta and Frank Dellaert
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import gtsam.*
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h=gca;
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cla(h);
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hold on;
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%% Plot points
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% Can't use data because current frame might not see all points
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marginals = Marginals(isam.getFactorsUnsafe(), isam.calculateEstimate()); % TODO - this is slow
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gtsam.plot3DPoints(result, [], marginals);
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%% Plot cameras
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M = 1;
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while result.exists(symbol('x',M))
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ii = symbol('x',M);
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pose_i = result.at(ii);
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if options.hardConstraint && (M==1)
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gtsam.plotPose3(pose_i,[],10);
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else
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P = marginals.marginalCovariance(ii);
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gtsam.plotPose3(pose_i,P,10);
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end
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if options.drawTruePoses % show ground truth
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gtsam.plotPose3(truth.cameras{M}.pose,[],10);
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end
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M = M + options.cameraInterval;
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end
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%% draw
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axis([-40 40 -40 40 -10 20]);axis equal
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view(3)
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colormap('hot')
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drawnow
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%% do various optional things
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if options.saveFigures
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figToSave = figure('visible','off');
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newax = copyobj(h,figToSave);
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colormap(figToSave,'hot');
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set(newax, 'units', 'normalized', 'position', [0.13 0.11 0.775 0.815]);
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print(figToSave,'-dpng',sprintf('VisualiSAM%03d.png',M));
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axes(h);
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end
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if options.saveDotFiles
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isam.saveGraph(sprintf('VisualiSAM%03d.dot',M));
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end
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if options.saveDotFile
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isam.saveGraph(sprintf('VisualiSAM.dot'));
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end
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if options.printStats
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isam.printStats();
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end
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