VLACalcIlluminationConvFunc.h

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

#ifndef SYNTHESIS_VLACALCILLUMINATIONCONVFUNC_H
#define SYNTHESIS_VLACALCILLUMINATIONCONVFUNC_H

#include <synthesis/TransformMachines/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/VisBuffer.h>
#include <casa/sstream.h>
#include <synthesis/TransformMachines/Utils.h>
namespace casa{

  //  casacore::Int getVLABandID(casacore::Double& freq,casacore::String&telescopeName);
  class VLACalcIlluminationConvFunc: public IlluminationConvFunc
  {
  public:

    VLACalcIlluminationConvFunc();
    VLACalcIlluminationConvFunc(casacore::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(casacore::Int bandID) {ap.band=bandID;}
    // void storeImg(casacore::String &fileName,casacore::ImageInterface<casacore::Complex>& img);
    // void storeImg(casacore::String &fileName,casacore::ImageInterface<casacore::Float>& img);
    // void store(casacore::String &fileName);
    void loadFromImage(casacore::String &fileName);
    void getIdealConvFunc(casacore::Array<casacore::Complex>& buf);
    //void ftAperture(casacore::TempImage<casacore::Complex>& uvgrid);
    void ftAperture(casacore::TempImage<casacore::Complex>& uvgrid, casacore::Bool makeMueller);
    void ftAperture(casacore::TempImage<casacore::Complex>& uvgrid, casacore::Int makeMuerller=0);
    void ftAperture() {ftAperture(convFunc_p); pbRead_p=true;};
    void storePB(casacore::String& fileName);

    casacore::Bool pbReady() {return pbRead_p;}

    casacore::CoordinateSystem makeUVCoords(casacore::CoordinateSystem& imageCoordSys,
                                  casacore::IPosition& shape, casacore::Double refFreq=-1.0);
    void regridAperture(casacore::CoordinateSystem& skyCS, 
                        casacore::IPosition& skyShape, 
                        casacore::TempImage<casacore::Complex>& uvGrid, 
                        //const VisBuffer& vb,
                        casacore::Double& pa,
                        casacore::Bool doSquint=true,casacore::Int bandID=-1,casacore::Int muellerTerm=0 ,casacore::Double freqVal=-1.0);
    void regridAperture(casacore::CoordinateSystem& skyCS,
                        casacore::IPosition& skyShape,
                        casacore::TempImage<casacore::Complex>& uvGrid,
                        const VisBuffer &vb,
                        const casacore::Vector<casacore::Float>& paList,
                        casacore::Bool doSquint, casacore::Int bandID);
    void regridApertureEngine(ApertureCalcParams& ap,
                              const casacore::Int& inStokes);
    void setApertureParams(ApertureCalcParams& ap,
                           const casacore::Float& Freq, const casacore::Float& pa, 
                           const casacore::Int& bandID,
                           const casacore::Int& inStokes,
                           const casacore::IPosition& skyShape,
                           const casacore::Vector<casacore::Double>& uvIncr);


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

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


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

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

};
#endif