PhaseShiftingTVI.h

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//# PhaseShiftingTVI.h: This file contains the interface definition of the MSTransformManager class.
//#
//#  CASA - Common Astronomy Software Applications (http://casa.nrao.edu/)
//#  Copyright (C) Associated Universities, Inc. Washington DC, USA 2011, All rights reserved.
//#  Copyright (C) European Southern Observatory, 2011, All rights reserved.
//#
//#  This library is free software; you can redistribute it and/or
//#  modify it under the terms of the GNU Lesser General Public
//#  License as published by the Free software Foundation; either
//#  version 2.1 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
//#  Lesser General Public License for more details.
//#
//#  You should have received a copy of the GNU Lesser General Public
//#  License along with this library; if not, write to the Free Software
//#  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
//#  MA 02111-1307  USA
//# $Id: $

#ifndef PhaseShiftingTVI_H_
#define PhaseShiftingTVI_H_

// Base class
#include <mstransform/TVI/FreqAxisTVI.h>


namespace casa { //# NAMESPACE CASA - BEGIN

namespace vi { //# NAMESPACE VI - BEGIN

// PhaseShiftingTVI class

class PhaseShiftingTVI : public FreqAxisTVI
{

public:

        PhaseShiftingTVI(       ViImplementation2 * inputVii,
                                                const Record &configuration);

        // Report the the ViImplementation type
        virtual String ViiType() const { return String("PhaseShifting( ")+getVii()->ViiType()+" )"; };

    virtual void visibilityObserved (Cube<Complex> & vis) const;
    virtual void visibilityCorrected (Cube<Complex> & vis) const;
    virtual void visibilityModel (Cube<Complex> & vis) const;

protected:

    Bool parseConfiguration(const Record &configuration);
    void initialize();

        Double dx_p, dy_p;
};

// PhaseShiftingTVIFactory class

class PhaseShiftingTVIFactory : public ViFactory
{

public:

        PhaseShiftingTVIFactory(Record &configuration,ViImplementation2 *inputVII);

protected:

        vi::ViImplementation2 * createVi (VisibilityIterator2 *) const;
        vi::ViImplementation2 * createVi () const;

        Record configuration_p;
        ViImplementation2 *inputVii_p;;
};

// PhaseShiftingTransformEngine class

template<class T> class PhaseShiftingTransformEngine : public FreqAxisTransformEngine2<T>
{
        using FreqAxisTransformEngine2<T>::inputData_p;
        using FreqAxisTransformEngine2<T>::outputData_p;
        using FreqAxisTransformEngine2<T>::rowIndex_p;
        using FreqAxisTransformEngine2<T>::corrIndex_p;

public:

        PhaseShiftingTransformEngine(Double dx, Double dy,
                                                                Matrix<Double> *uvw,
                                                                Vector<Double> *frequencies,
                                                                DataCubeMap *inputData,
                                                                DataCubeMap *outputData);

        void transform();

        void transformCore(DataCubeMap *inputData,DataCubeMap *outputData);

protected:

        Double dx_p, dy_p;
        Matrix<Double> *uvw_p;
        Vector<Double> *frequencies_p;
};


} //# NAMESPACE VI - END

} //# NAMESPACE CASA - END

#endif /* PhaseShiftingTVI_H_ */