VLACalcIlluminationConvFunc.h

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

#ifndef SYNTHESIS_TRANSFORM2_VLACALCILLUMINATIONCONVFUNC_H
#define SYNTHESIS_TRANSFORM2_VLACALCILLUMINATIONCONVFUNC_H

#include <synthesis/TransformMachines2/IlluminationConvFunc.h>
//#include <synthesis/MeasurementComponents/BeamCalcConstants.h>
#include <synthesis/TransformMachines/BeamCalc.h>
//#include <synthesis/MeasurementComponents/BeamCalcAntenna.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>
#include <casa/sstream.h>
#include <synthesis/TransformMachines2/Utils.h>
namespace casa{
  namespace refim{
    using namespace vi;
  //  Int getVLABandID(Double& freq,String&telescopeName);
  class VLACalcIlluminationConvFunc: public IlluminationConvFunc
  {
  public:

    VLACalcIlluminationConvFunc();
    VLACalcIlluminationConvFunc(Int n):
      IlluminationConvFunc(n),
      convFunc_p(),resolution(),pbRead_p(False),freq_p(0),lastPA(0),ap()
    {pbRead_p=False;};
    ~VLACalcIlluminationConvFunc() {delete ap.aperture;};

    void setBandID(Int bandID) {ap.band=bandID;}
    // 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(TempImage<Complex>& uvgrid, Bool makeMueller);
    void ftAperture(TempImage<Complex>& uvgrid, Int makeMuerller=0);
    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 VisBuffer2& vb,
                        Double& pa,
                        Bool doSquint=True,Int bandID=-1,Int muellerTerm=0 ,Double freqVal=-1.0);
    void regridAperture(CoordinateSystem& skyCS,
                        IPosition& skyShape,
                        TempImage<Complex>& uvGrid,
                        const VisBuffer2 &vb,
                        const Vector<Float>& paList,
                        Bool doSquint, Int bandID);
    void regridApertureEngine(ApertureCalcParams& ap,
                              const Int& inStokes);
    void setApertureParams(ApertureCalcParams& ap,
                           const Float& Freq, const Float& pa, 
                           const Int& bandID,
                           const Int& inStokes,
                           const IPosition& skyShape,
                           const Vector<Double>& uvIncr);


    void applyPB(ImageInterface<Float>& pbImage, Double& pa,//const VisBuffer2& vb, 
                 const Vector<Float>& paList, Int bandID, Bool doSquint=False);
    void applyPB(ImageInterface<Float>& pbImage, Double& pa,//const VisBuffer2& vb, 
                 Int bandID=-1, Bool doSquint=False, Double freqVal=-1.0);
    void applyPB(ImageInterface<Complex>& pbImage, Double& pa,//const VisBuffer2& vb, 
                 Bool doSquint=True,Int bandID=-1, Int muellerTerm=0, Double freqVal=-1.0);
    void applyPBSq(ImageInterface<Float>& pbImage, Double& pa,//const VisBuffer2& vb, 
                   const Vector<Float>& paList, Int bandID, Bool doSquint=False);
    void applyPBSq(ImageInterface<Float>& pbImage, Double& pa,//const VisBuffer2& vb, 
                   Int bandID=-1, Bool doSquint=False);
    void applyPBSq(ImageInterface<Complex>& pbImage, Double& pa,//const VisBuffer2& vb, 
                   Int bandID=-1,  Bool doSquint=True);
    void makeFullJones(ImageInterface<Complex>& pbImage, const VisBuffer2& vb, Bool doSquint, 
               Int bandID, Double freqVal=-1.0);
    void skyMuller(ImageInterface<Complex>& skyJones);
    void skyMuller(ImageInterface<Complex>& skyJones, Int muellerTerm=0);
    void skyMuller(Array<Complex>& skyJones, const IPosition& shape, const Int& inStokes);

    Bool findSupport(Array<Complex>& /*func*/, Float& /*threshold*/,Int& /*origin*/, Int& /*R*/)
    {throw(AipsError("VLACalcIlluminationConvFunc::findSupport() not implemented"));};
    virtual Bool makeAverageResponse(const VisBuffer2& /*vb*/,
                                     const ImageInterface<Complex>& /*image*/,
                                     //                              TempImage<Float>& theavgPB,
                                     ImageInterface<Float>& /*theavgPB*/,
                                     Bool /*reset*/=True)
    {throw(AipsError("VLACalc::makeAverageRes() called"));};


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

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