pvtCoord.h

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#pragma once

#include "coordConv/pvt.h"
#include "coordConv/coord.h"

namespace coordConv {
    
    class PVTCoord {
    public:
        explicit PVTCoord(Coord const &coord, Eigen::Vector3d const &vel, double tai);

        explicit PVTCoord(Coord const &coord0, Coord const &coord1, double tai, double deltaT);

        explicit PVTCoord(PVT const &equatPVT, PVT const &polarPVT, PVT const &distPVT=PVT());

        explicit PVTCoord(PVT const &equatPVT, PVT const &polarPVT, PVT const &distPVT, double equatPM, double polarPM, double radVel);
        
        explicit PVTCoord();
        
        PVTCoord copy(double tai) const;

//        double getOrient() const { return _orient; };
        
        Eigen::Vector3d getVel() const { return _vel; };
        
        double getTAI() const { return _tai; };
        
        Coord getCoord() const { return _coord; };
        
        Coord getCoord(double tai) const;

        bool isfinite() const;
       
        bool getSphPVT(PVT &equatPVT, PVT &polarPVT) const;

        PVT getDistance() const;

        PVT angularSeparation(PVTCoord const &pvtCoord) const;

        PVT orientationTo(PVTCoord const &pvtCoord) const;
        
        PVTCoord offset(PVT &toOrient, PVT const &fromOrient, PVT const &dist) const;

        bool operator==(PVTCoord const &rhs) {
            return (this->getCoord()  == rhs.getCoord())
                && (this->getVel()    == rhs.getVel())
                && (this->getTAI()    == rhs.getTAI());
        }

        bool operator!=(PVTCoord const &rhs) {
            return !operator==(rhs);
        }

        std::string __repr__() const;
    
    private:
        Coord _coord;   // coordinate at initial time
        Eigen::Vector3d _vel;    // vector velocity (AU/sec)
        double _tai;    // initial TAI date (MJD, seconds)

        void _setFromCoordPair(Coord const &coord0, Coord const &coord1, double tai, double deltaT);

    };


    std::ostream &operator<<(std::ostream &os, PVTCoord const &pvtCoord);

}