gtsam/cpp/testPlanarSLAM.cpp

112 lines
2.7 KiB
C++

/**
* @file testPlanarSLAM.cpp
* @authors Frank Dellaert
**/
#include <iostream>
#include <CppUnitLite/TestHarness.h>
#include "planarSLAM.h"
#include "BearingRangeFactor.h"
using namespace std;
using namespace gtsam;
// some shared test values
static Pose2 x1, x2(1, 1, 0), x3(1, 1, M_PI_4);
static Point2 l1(1, 0), l2(1, 1), l3(2, 2), l4(1, 3);
SharedGaussian
sigma(noiseModel::Isotropic::Sigma(1,0.1)),
sigma2(noiseModel::Isotropic::Sigma(2,0.1)),
I3(noiseModel::Unit::Create(3));
/* ************************************************************************* */
TEST( planarSLAM, BearingFactor )
{
// Create factor
Rot2 z = Rot2::fromAngle(M_PI_4 + 0.1); // h(x) - z = -0.1
planarSLAM::Bearing factor(2, 3, z, sigma);
// create config
planarSLAM::Config c;
c.insert(2, x2);
c.insert(3, l3);
// Check error
Vector actual = factor.unwhitenedError(c);
CHECK(assert_equal(Vector_(1,-0.1),actual));
}
/* ************************************************************************* */
TEST( planarSLAM, RangeFactor )
{
// Create factor
double z(sqrt(2) - 0.22); // h(x) - z = 0.22
planarSLAM::Range factor(2, 3, z, sigma);
// create config
planarSLAM::Config c;
c.insert(2, x2);
c.insert(3, l3);
// Check error
Vector actual = factor.unwhitenedError(c);
CHECK(assert_equal(Vector_(1,0.22),actual));
}
/* ************************************************************************* */
TEST( planarSLAM, BearingRangeFactor )
{
// Create factor
Rot2 r = Rot2::fromAngle(M_PI_4 + 0.1); // h(x) - z = -0.1
double b(sqrt(2) - 0.22); // h(x) - z = 0.22
planarSLAM::BearingRange factor(2, 3, r, b, sigma2);
// create config
planarSLAM::Config c;
c.insert(2, x2);
c.insert(3, l3);
// Check error
Vector actual = factor.unwhitenedError(c);
CHECK(assert_equal(Vector_(2,-0.1, 0.22),actual));
}
/* ************************************************************************* */
TEST( planarSLAM, constructor )
{
// create config
planarSLAM::Config c;
c.insert(2, x2);
c.insert(3, x3);
c.insert(3, l3);
// create graph
planarSLAM::Graph G;
// Add pose constraint
G.addPoseConstraint(2, x2); // make it feasible :-)
// Add odometry
G.addOdometry(2, 3, Pose2(0, 0, M_PI_4), I3);
// Create bearing factor
Rot2 z1 = Rot2::fromAngle(M_PI_4 + 0.1); // h(x) - z = -0.1
G.addBearing(2, 3, z1, sigma);
// Create range factor
double z2(sqrt(2) - 0.22); // h(x) - z = 0.22
G.addRange(2, 3, z2, sigma);
Vector expected = Vector_(8, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -0.1, 0.22);
CHECK(assert_equal(expected,G.unwhitenedError(c)));
}
/* ************************************************************************* */
int main() {
TestResult tr;
return TestRegistry::runAllTests(tr);
}
/* ************************************************************************* */