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