UVWCalculator.h

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// UVWCalculator.h: Class to calculate UVW coordinates
// Copyright (C) 2020 ASTRON (Netherlands Institute for Radio Astronomy)
// SPDX-License-Identifier: GPL-3.0-or-later
 
 
#ifndef DPPP_UVWCALCULATOR_H
#define DPPP_UVWCALCULATOR_H
 
#include <casacore/measures/Measures/MeasFrame.h>
#include <casacore/measures/Measures/MDirection.h>
#include <casacore/measures/Measures/MPosition.h>
#include <casacore/measures/Measures/MBaseline.h>
#include <casacore/measures/Measures/MeasConvert.h>
#include <casacore/measures/Measures/MCDirection.h>
#include <casacore/measures/Measures/MCPosition.h>
#include <casacore/measures/Measures/MCBaseline.h>
#include <casacore/casa/Arrays/Vector.h>
 
namespace dp3 {
namespace base {
 
 
 
class UVWCalculator {
 public:
  UVWCalculator(const casacore::MDirection& phaseDir,
                const casacore::MPosition& arrayPosition,
                const std::vector<casacore::MPosition>& stationPositions);
 
  std::array<double, 3> getUVW(unsigned int ant1, unsigned int ant2,
                               double time);
 
 private:
  casacore::MDirection itsPhaseDir;
  bool itsMovingPhaseDir;
  casacore::MDirection::Convert itsDirToJ2000;  
  casacore::MBaseline::Convert itsBLToJ2000;    
  casacore::MeasFrame itsFrame;
  std::vector<casacore::MBaseline> itsAntMB;
  std::vector<std::array<double, 3>> itsAntUvw;
  casacore::Block<bool> itsUvwFilled;
  double itsLastTime;
};
 
}  // namespace base
}  // namespace dp3
 
#endif