//# PixelatedConvFunc.h: Definition for PixelatedConvFunc
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//# $Id$

#ifndef SYNTHESIS_PIXELATEDCONVFUNC_H
#define SYNTHESIS_PIXELATEDCONVFUNC_H

#include <casa/Arrays/Vector.h>
//#include <synthesis/MeasurementComponents/Exp.h>
#include <synthesis/MeasurementComponents/CExp.h>
#include <synthesis/TransformMachines/ConvolutionFunction.h>

namespace casa{

  template <class T> class PixelatedConvFunc: public ConvolutionFunction
  {
  public:
    PixelatedConvFunc():ConvolutionFunction() {};
    PixelatedConvFunc(casacore::IPosition& shape):ConvolutionFunction(shape.nelements()) 
    {setSize(shape);}
    ~PixelatedConvFunc() {};
    
    virtual void setSize(casacore::IPosition& size)
    {
      nDim=size.nelements(); 
      shape=size;
      cache.resize(shape);
    };

    virtual T getValue(casacore::Vector<T>& , casacore::Vector<T>& ) { return (T)(1.0);};
    virtual int getVisParams(const VisBuffer&,const casacore::CoordinateSystem& ) {return 0;};
    virtual void makeConvFunction(const casacore::ImageInterface<casacore::Complex>&,
				  const VisBuffer&,
				  const casacore::Int,
				  const casacore::Float,
				  const casacore::Float,
				  CFStore&,
				  CFStore&,casacore::Bool ) {};
    virtual void setPolMap(const casacore::Vector<casacore::Int>& polMap) {(void)polMap;};
    virtual void setFeedStokes(const casacore::Vector<casacore::Int>& feedStokes){(void)feedStokes;};
    PixelatedConvFunc& operator=(const PixelatedConvFunc& )
    {
      cerr << "******* PixelatedConvFunc& operator=(PixelatedConvFunc&) called!" << endl;
      return *this;
    }
    PixelatedConvFunc& operator=(const ConvolutionFunction& )
    {
      cerr << "******* PixelatedConvFunc& operator=(ConvolutionFunction&) called!" << endl;
      return *this;
    }
    virtual casacore::Bool makeAverageResponse(const VisBuffer&, 
				     const casacore::ImageInterface<casacore::Complex>&,
				     casacore::ImageInterface<casacore::Complex>&,
				     casacore::Bool)
    {throw(casacore::AipsError("PixelatedConvFunc::makeAverageRes(Complex) called"));};
    virtual void prepareConvFunction(const VisBuffer&, CFStore&) {};

  private:
    casacore::Int nDim;
    casacore::IPosition shape;
    casacore::Array<T> cache;
  };

};

#endif