100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
/**
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* @file UrbanMeasurement.h
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* @brief A Nonlinear Factor, specialized for Urban application
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* @author Frank Dellaert
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* @author Viorela Ila
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*/
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#pragma once
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#include "UrbanFactor.h"
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namespace gtsam {
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class UrbanConfig;
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/**
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* Non-linear factor for a constraint derived from a 2D measurement,
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*/
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class UrbanMeasurement: public UrbanFactor {
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private:
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int robotPoseNumber_, landmarkNumber_;
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std::string robotPoseName_, landmarkName_;
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//boost::shared_ptr<Cal3_S2> K_; // Calibration stored in each factor. FD: need to think about this.
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typedef NonlinearFactor<UrbanConfig> ConvenientFactor;
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public:
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typedef boost::shared_ptr<UrbanMeasurement> shared_ptr; // shorthand for a smart pointer to a factor
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//typedef boost::shared_ptr<Cal3_S2> shared_ptrK;
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/**
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* Default constructor
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*/
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UrbanMeasurement();
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/**
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* Constructor
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* @param z is the 2 dimensional location of landmark respect to the robot (the measurement)
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* @param sigma is the standard deviation
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* @param robotPoseNumber is basically the pose number
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* @param landmarkNumber is the index of the landmark
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*
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*
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*/
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UrbanMeasurement(const Point2& z, double sigma, int robotPoseNumber,
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int landmarkNumber);
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/**
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* print
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* @param s optional string naming the factor
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*/
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void print(const std::string& s = "UrbanMeasurement") const;
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/**
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* equals
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*/
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bool equals(const UrbanMeasurement&, double tol = 1e-9) const;
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/**
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* calculate the error of the factor
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*/
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Vector error_vector(const UrbanConfig&) const;
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/**
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* linerarization
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*/
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GaussianFactor::shared_ptr linearize(const UrbanConfig&) const {
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//TODO implement linearize
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}
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int getrobotPoseNumber() const {
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return robotPoseNumber_;
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}
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int getLandmarkNumber() const {
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return landmarkNumber_;
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}
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private:
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/** Serialization function */
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friend class boost::serialization::access;
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template<class Archive>
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void serialize(Archive & ar, const unsigned int version) {
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ar & BOOST_SERIALIZATION_NVP(robotPoseNumber_);
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ar & BOOST_SERIALIZATION_NVP(landmarkNumber_);
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ar & BOOST_SERIALIZATION_NVP(robotPoseName_);
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ar & BOOST_SERIALIZATION_NVP(landmarkName_);
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}
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};
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/**
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* Transform 2D landmark into 6D pose, and its derivatives
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*/
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Point2 transform_to(const Pose3& pose, const Point2& p);
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Matrix Dtransform_to1(const Pose3& pose, const Point2& p);
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Matrix Dtransform_to2(const Pose3& pose);
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} // namespace gtsam
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