ITRFConverter.h

//# Dir2ITRF.h: Convertor that maps time to an ITRF direction.

#ifndef LOFAR_STATIONRESPONSE_DIR2ITRF_H
#define LOFAR_STATIONRESPONSE_DIR2ITRF_H

// \file
// Functor that maps J2000 to an ITRF direction.

#include "Types.h"

#include <casacore/measures/Measures/MeasFrame.h>
#include <casacore/measures/Measures/MeasConvert.h>
#include <casacore/measures/Measures/MCDirection.h>

#include <memory>

namespace LOFAR
{
namespace StationResponse
{

// \addtogroup StationResponse
// @{

class ITRFConverter
{
public:
    typedef std::unique_ptr<ITRFDirection>       Ptr;
    typedef std::unique_ptr<const ITRFDirection> ConstPtr;

    ITRFConverter(real_t time);
    
    void setTime(real_t time);
    vector3r_t j2000ToITRF(const vector2r_t &j2000Direction) const;
    vector3r_t j2000ToITRF(const vector3r_t &j2000Direction) const;
    vector3r_t toITRF(const casacore::MDirection &direction) const;
    casacore::MDirection toDirection(const vector2r_t &j2000Direction) const;
    casacore::MDirection toDirection(const vector3r_t &j2000Direction) const;
    casacore::MDirection toDirection(const casacore::MDirection &direction) const;

private:
    casacore::MeasFrame itsFrame;
    mutable casacore::MDirection::Convert itsConverter;
};

// @}

} //# namespace BBS
} //# namespace LOFAR

#endif