gtsam/cpp/VSLAMGraph.cpp

67 lines
2.1 KiB
C++

/**
* @file VSLAMGraph.h
* @brief A factor graph for the VSLAM problem
* @author Alireza Fathi
* @author Carlos Nieto
*/
#include <set>
#include <fstream>
#include <boost/foreach.hpp>
#include "VSLAMGraph.h"
#include "NonlinearFactorGraph-inl.h"
#include "NonlinearOptimizer-inl.h"
#include "NonlinearEquality.h"
using namespace std;
namespace gtsam {
// explicit instantiation so all the code is there and we can link with it
template class FactorGraph<VSLAMFactor>;
template class NonlinearFactorGraph<VSLAMConfig>;
template class NonlinearOptimizer<VSLAMGraph,VSLAMConfig>;
/* ************************************************************************* */
/* ************************************************************************* */
bool compareLandmark(const std::string& key,
const VSLAMConfig& feasible,
const VSLAMConfig& input) {
int j = atoi(key.substr(1, key.size() - 1).c_str());
return feasible.landmarkPoint(j).equals(input.landmarkPoint(j));
}
/* ************************************************************************* */
void VSLAMGraph::addLandmarkConstraint(int j, const gtsam::Point3& p) {
typedef NonlinearEquality<VSLAMConfig> NLE;
VSLAMConfig feasible;
feasible.addLandmarkPoint(j,p);
boost::shared_ptr<NLE> factor(new NLE(symbol('l',j), feasible, 3, compareLandmark));
push_back(factor);
}
/* ************************************************************************* */
bool compareCamera(const std::string& key,
const VSLAMConfig& feasible,
const VSLAMConfig& input) {
int j = atoi(key.substr(1, key.size() - 1).c_str());
return feasible.cameraPose(j).equals(input.cameraPose(j));
}
/* ************************************************************************* */
void VSLAMGraph::addCameraConstraint(int j, const gtsam::Pose3& p) {
typedef NonlinearEquality<VSLAMConfig> NLE;
VSLAMConfig feasible;
feasible.addCameraPose(j,p);
boost::shared_ptr<NLE> factor(new NLE(symbol('x',j), feasible, 6, compareCamera));
push_back(factor);
}
/* ************************************************************************* */
} // namespace gtsam