VLAIlluminationConvFunc.h

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

#ifndef SYNTHESIS_TRANSFORM2_VLAILLUMINATIONCONVFUNC_H
#define SYNTHESIS_TRANSFORM2_VLAILLUMINATIONCONVFUNC_H

#include <synthesis/TransformMachines2/IlluminationConvFunc.h>
#include <synthesis/MeasurementComponents/CExp.new3.h>
#include <synthesis/MeasurementComponents/ExpCache.h>
#include <images/Images/TempImage.h>
#include <casa/Exceptions.h>
#include <msvis/MSVis/VisBuffer2.h>
namespace casa
{
  namespace refim{
  class VLAIlluminationConvFunc: public IlluminationConvFunc
  {
  public:
    VLAIlluminationConvFunc(String fileName);
    VLAIlluminationConvFunc()
      :IlluminationConvFunc(),convFunc_p(),resolution()
    {pbRead_p=False;};
    VLAIlluminationConvFunc(Int n):IlluminationConvFunc(n)    {pbRead_p=False;};
    ~VLAIlluminationConvFunc() {};

    void load(String &fileName,Vector<Int>& whichStokes, 
              Float overSampling=20,Bool putCoords=True);
    void storeImg(String &fileName,ImageInterface<Complex>& img);
    void storeImg(String &fileName,ImageInterface<Float>& img);
    void store(String &fileName);
    void loadFromImage(String &fileName);
    void getIdealConvFunc(Array<Complex>& buf);
    void ftAperture(TempImage<Complex>& uvgrid);
    void ftAperture() {ftAperture(convFunc_p); pbRead_p=True;};
    void storePB(String& fileName);

    Bool pbReady() {return pbRead_p;}

    CoordinateSystem makeUVCoords(CoordinateSystem& imageCoordSys,
                                   IPosition& shape);
    void regridApeture(CoordinateSystem& skyCS, IPosition& skyShape, TempImage<Complex>& uvGrid, 
                       const VisBuffer2& vb,Bool doSquint=True);
    void applyPB(ImageInterface<Float>& pbImage, const VisBuffer2& vb);
    void applyPB(ImageInterface<Complex>& pbImage, const VisBuffer2& vb);
    void ftAperture(String& fileName, Vector<Int>& whichStokes,
                   Float& overSampling, const CoordinateSystem& coordSys);

    /*
    virtual CF_TYPE getValue(Double *coord,
                             Double *raoff1,  Double *raoff2, 
                             Double *decoff1, Double *decoff2,
                             Double *area,
                             Int *doGrad,
                             Complex& weight,
                             Complex& dweight1,
                             Complex& dweight2
                             //           ,Double lsigma
                             );
    */    
  private:
    
    void fillPB(ImageInterface<Complex>& inImg, ImageInterface<Float>& outImg);
    void fillPB(ImageInterface<Complex>& inImg, ImageInterface<Complex>& outImg);

    TempImage<Complex> convFunc_p;
    //    TempImage<Float> reAperture_p, imAperture_p;
    Vector<Double> resolution;
    Bool pbRead_p;
    Float freq_p;
  };
  };
};
#endif