ALMACalcIlluminationConvFunc.h

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//# ALMAIlluminationConvFunc.h: Definition for ALMAIlluminationConvFunc
//# Copyright (C) 1996,1997,1998,1999,2000,2002
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//# $Id$

#ifndef SYNTHESIS_ALMACALCILLUMINATIONCONVFUNC_H
#define SYNTHESIS_ALMACALCILLUMINATIONCONVFUNC_H

#include <synthesis/TransformMachines/IlluminationConvFunc.h>
#include <synthesis/TransformMachines/BeamCalc.h>
#include <synthesis/TransformMachines/ALMAAperture.h>
#include <synthesis/MeasurementComponents/CExp.new3.h>
#include <synthesis/MeasurementComponents/ExpCache.h>
#include <images/Images/TempImage.h>
#include <casa/Exceptions.h>
#include <synthesis/MSVis/VisBuffer.h>
#include <casa/sstream.h>
#include <synthesis/TransformMachines/Utils.h>
namespace casa{

  class ALMACalcIlluminationConvFunc: public IlluminationConvFunc
  {
  public:

    ALMACalcIlluminationConvFunc();
    ALMACalcIlluminationConvFunc(Int n):IlluminationConvFunc(n)
      {pbRead_p=False;};
    ~ALMACalcIlluminationConvFunc() 
      {delete ap.aperture;};

    void setBandID(Int /*bandID*/) {/*ap.band=(ALMABeamCalcBandCode)bandID;*/}

    void setAntRayPath(const String& antRayPath) {otherAntRayPath_p = antRayPath;}

    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, Double refFreq=-1.0);
    void regridAperture(CoordinateSystem& skyCS, 
                        IPosition& skyShape, 
                        TempImage<Complex>& uvGrid, 
                        const VisBuffer& vb,
                        Bool doSquint=True,Int bandID=-1);
    void regridAperture(CoordinateSystem& skyCS,
                        IPosition& skyShape,
                        TempImage<Complex>& uvGrid,
                        const VisBuffer &vb,
                        const Vector<Float>& paList,
                        Bool doSquint, Int bandID);

    void regridAperture(CoordinateSystem& skyCS, 
                        IPosition& skyShape, 
                        TempImage<Complex>& uvGrid, 
                        const String& telescope,
                        const MVFrequency& freqQ,
                        Float pa = 0.,
                        Bool doSquint=True,
                        Int bandID=-1);

    void applyPB(ImageInterface<Float>& pbImage, 
                 const VisBuffer& vb, Bool doSquint=False, Int cfKey=0);

    void applyPB(ImageInterface<Complex>& pbImage, 
                 const VisBuffer& vb, Bool doSquint=True, Int cfKey=0);

    void applyPB(ImageInterface<Float>& pbImage, 
                 const String& telescope, const MEpoch& obsTime, 
                 const String& antType0, const String& antType1,
                 const MVFrequency& freqQ, Double pa=0.,
                 Bool doSquint=False);

    void applyPB(ImageInterface<Complex>& pbImage, 
                 const String& telescope, const MEpoch& obsTime,
                 const String& antType0, const String& antType1,
                 const MVFrequency& freqQ, Double pa=0.,
                 Bool doSquint=True);

    void applyVP(ImageInterface<Complex>& pbImage, 
                 const String& telescope, const MEpoch& obsTime,
                 const String& antType0, const String& antType1,
                 const MVFrequency& freqQ, Double pa=0.,
                 Bool doSquint=True);

    void skyMuller(ImageInterface<Complex>& skyJones);

    //    Int getALMABandId(const Double& freq);
    virtual void prepareConvFunction(const VisBuffer& /*vb*/, CFStore& /*cfs*/){};

    

  private:
    
    void fillPB(ImageInterface<Complex>& inImg, ImageInterface<Float>& outImg, Bool Square=False);
    void fillPB(ImageInterface<Complex>& inImg, ImageInterface<Complex>& outImg, Bool Square=False);
    void fillVP(ImageInterface<Complex>& inImg, ImageInterface<Complex>& outImg, Bool Square=False);

    TempImage<Complex> convFunc_p;
    Vector<Double> resolution;
    Bool pbRead_p;
    Float freq_p,lastPA;
    ApertureCalcParams ap;

    Bool haveCannedResponses;

    String otherAntRayPath_p;
  };

};
#endif