73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
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/**
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* @file testPose2SLAMwSPCG
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* @author Alex Cunningham
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*/
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#include <CppUnitLite/TestHarness.h>
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#include <gtsam/slam/pose2SLAM.h>
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#include <gtsam/nonlinear/NonlinearOptimization-inl.h>
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using namespace std;
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using namespace gtsam;
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using namespace pose2SLAM;
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const double tol = 1e-5;
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/* ************************************************************************* */
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TEST(testPose2SLAMwSPCG, example1) {
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/* generate synthetic data */
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const SharedGaussian sigma(noiseModel::Unit::Create(0.1));
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Key x1(1), x2(2), x3(3), x4(4), x5(5), x6(6), x7(7), x8(8), x9(9);
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// create a 3 by 3 grid
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// x3 x6 x9
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// x2 x5 x8
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// x1 x4 x7
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Graph graph;
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graph.addConstraint(x1,x2,Pose2(0,2,0),sigma) ;
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graph.addConstraint(x2,x3,Pose2(0,2,0),sigma) ;
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graph.addConstraint(x4,x5,Pose2(0,2,0),sigma) ;
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graph.addConstraint(x5,x6,Pose2(0,2,0),sigma) ;
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graph.addConstraint(x7,x8,Pose2(0,2,0),sigma) ;
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graph.addConstraint(x8,x9,Pose2(0,2,0),sigma) ;
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graph.addConstraint(x1,x4,Pose2(2,0,0),sigma) ;
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graph.addConstraint(x4,x7,Pose2(2,0,0),sigma) ;
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graph.addConstraint(x2,x5,Pose2(2,0,0),sigma) ;
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graph.addConstraint(x5,x8,Pose2(2,0,0),sigma) ;
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graph.addConstraint(x3,x6,Pose2(2,0,0),sigma) ;
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graph.addConstraint(x6,x9,Pose2(2,0,0),sigma) ;
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graph.addPrior(x1, Pose2(0,0,0), sigma) ;
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Values initial;
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initial.insert(x1, Pose2( 0, 0, 0));
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initial.insert(x2, Pose2( 0, 2.1, 0.01));
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initial.insert(x3, Pose2( 0, 3.9,-0.01));
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initial.insert(x4, Pose2(2.1,-0.1, 0));
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initial.insert(x5, Pose2(1.9, 2.1, 0.02));
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initial.insert(x6, Pose2(2.0, 3.9,-0.02));
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initial.insert(x7, Pose2(4.0, 0.1, 0.03 ));
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initial.insert(x8, Pose2(3.9, 2.1, 0.01));
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initial.insert(x9, Pose2(4.1, 3.9,-0.01));
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Values expected;
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expected.insert(x1, Pose2(0.0, 0.0, 0.0));
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expected.insert(x2, Pose2(0.0, 2.0, 0.0));
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expected.insert(x3, Pose2(0.0, 4.0, 0.0));
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expected.insert(x4, Pose2(2.0, 0.0, 0.0));
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expected.insert(x5, Pose2(2.0, 2.0, 0.0));
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expected.insert(x6, Pose2(2.0, 4.0, 0.0));
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expected.insert(x7, Pose2(4.0, 0.0, 0.0 ));
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expected.insert(x8, Pose2(4.0, 2.0, 0.0));
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expected.insert(x9, Pose2(4.0, 4.0, 0.0));
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Values actual = optimizeSPCG(graph, initial);
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EXPECT(assert_equal(expected, actual, tol));
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}
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/* ************************************************************************* */
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int main() { TestResult tr; return TestRegistry::runAllTests(tr); }
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/* ************************************************************************* */
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