DerivedColumn.h

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// # DerivedColumn.h: A derived MS column.
// # Copyright (C) 2010
// # Associated Universities, Inc. Washington DC, USA.
// #
// # This library is free software; you can redistribute it and/or modify it
// # under the terms of the GNU Library General Public License as published by
// # the Free Software Foundation; either version 2 of the License, or (at your
// # option) any later version.
// #
// # This library is distributed in the hope that it will be useful, but WITHOUT
// # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
// # License for more details.
// #
// # You should have received a copy of the GNU Library General Public License
// # along with this library; if not, write to the Free Software Foundation,
// # Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
// #
// # Correspondence concerning AIPS++ should be addressed as follows:
// #        Internet email: casa-feedback@nrao.edu.
// #        Postal address: AIPS++ Project Office
// #                        National Radio Astronomy Observatory
// #                        520 Edgemont Road
// #                        Charlottesville, VA 22903-2475 USA
 
#ifndef DERIVEDMSCAL_DERIVEDCOLUMN_H
#define DERIVEDMSCAL_DERIVEDCOLUMN_H
 
// # Includes
#include <casacore/casa/aips.h>
#include <casacore/derivedmscal/DerivedMC/MSCalEngine.h>
#include <casacore/tables/DataMan/VirtScaCol.h>
#include <casacore/tables/DataMan/VirtArrCol.h>
 
namespace casacore {
 
// <summary>Hourangle derived from TIME, etc.</summary>
// <use visibility=local>
class HourangleColumn : public VirtualScalarColumn<Double> {
 public:
  explicit HourangleColumn(MSCalEngine* engine, Int antnr) : itsEngine(engine), itsAntNr(antnr) {}
  virtual ~HourangleColumn();
  virtual void get(rownr_t rowNr, Double& data);
 
 private:
  MSCalEngine* itsEngine;
  Int itsAntNr;  // # -1=array 0=antenna1 1=antenna2
};
 
// <summary>Local sidereal time derived from TIME, etc.</summary>
// <use visibility=local>
class LASTColumn : public VirtualScalarColumn<Double> {
 public:
  explicit LASTColumn(MSCalEngine* engine, Int antnr) : itsEngine(engine), itsAntNr(antnr) {}
  virtual ~LASTColumn();
  virtual void get(rownr_t rowNr, Double& data);
 
 private:
  MSCalEngine* itsEngine;
  Int itsAntNr;  // # -1=array 0=antenna1 1=antenna2
};
 
// <summary>Parallactic angle derived from TIME, etc.</summary>
// <use visibility=local>
class ParAngleColumn : public VirtualScalarColumn<Double> {
 public:
  explicit ParAngleColumn(MSCalEngine* engine, Int antnr) : itsEngine(engine), itsAntNr(antnr) {}
  virtual ~ParAngleColumn();
  virtual void get(rownr_t rowNr, Double& data);
 
 private:
  MSCalEngine* itsEngine;
  Int itsAntNr;  // # 0=antenna1 1=antenna2
};
 
// <summary>Hourangle/declination derived from TIME, etc.</summary>
// <use visibility=local>
class HaDecColumn : public VirtualArrayColumn<Double> {
 public:
  explicit HaDecColumn(MSCalEngine* engine, Int antnr) : itsEngine(engine), itsAntNr(antnr) {}
  virtual ~HaDecColumn();
  virtual IPosition shape(rownr_t rownr);
  virtual Bool isShapeDefined(rownr_t rownr);
  virtual void getArray(rownr_t rowNr, Array<Double>& data);
 
 private:
  MSCalEngine* itsEngine;
  Int itsAntNr;  // # 0=antenna1 1=antenna2
};
 
// <summary>Azimuth/elevation derived from TIME, etc.</summary>
// <use visibility=local>
class AzElColumn : public VirtualArrayColumn<Double> {
 public:
  explicit AzElColumn(MSCalEngine* engine, Int antnr) : itsEngine(engine), itsAntNr(antnr) {}
  virtual ~AzElColumn();
  virtual IPosition shape(rownr_t rownr);
  virtual Bool isShapeDefined(rownr_t rownr);
  virtual void getArray(rownr_t rowNr, Array<Double>& data);
 
 private:
  MSCalEngine* itsEngine;
  Int itsAntNr;  // # 0=antenna1 1=antenna2
};
 
// <summary>Pointing ITRF coordinate derived from TIME, etc.</summary>
// <use visibility=local>
class ItrfColumn : public VirtualArrayColumn<Double> {
 public:
  explicit ItrfColumn(MSCalEngine* engine, Int antnr) : itsEngine(engine), itsAntNr(antnr) {}
  virtual ~ItrfColumn();
  virtual IPosition shape(rownr_t rownr);
  virtual Bool isShapeDefined(rownr_t rownr);
  virtual void getArray(rownr_t rowNr, Array<Double>& data);
 
 private:
  MSCalEngine* itsEngine;
  Int itsAntNr;  // # 0=antenna1 1=antenna2
};
 
// <summary>UVW J2000 derived from TIME, etc.</summary>
// <use visibility=local>
class UVWJ2000Column : public VirtualArrayColumn<Double> {
 public:
  explicit UVWJ2000Column(MSCalEngine* engine) : itsEngine(engine) {}
  virtual ~UVWJ2000Column();
  virtual IPosition shape(rownr_t rownr);
  virtual Bool isShapeDefined(rownr_t rownr);
  virtual void getArray(rownr_t rowNr, Array<Double>& data);
 
 private:
  MSCalEngine* itsEngine;
};
 
}  // namespace casacore
 
#endif