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

  class ALMACalcIlluminationConvFunc: public IlluminationConvFunc
  {
  public:

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

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

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

    void loadFromImage(casacore::String &fileName);
    void getIdealConvFunc(casacore::Array<casacore::Complex>& buf);
    void ftAperture(casacore::TempImage<casacore::Complex>& uvgrid);
    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::Bool doSquint=true,casacore::Int bandID=-1);
    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 regridAperture(casacore::CoordinateSystem& skyCS, 
                        casacore::IPosition& skyShape, 
                        casacore::TempImage<casacore::Complex>& uvGrid, 
                        const casacore::String& telescope,
                        const casacore::MVFrequency& freqQ,
                        casacore::Float pa = 0.,
                        casacore::Bool doSquint=true,
                        casacore::Int bandID=-1);

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

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

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

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

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

    void skyMuller(casacore::ImageInterface<casacore::Complex>& skyJones);

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

    

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

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

    casacore::Bool haveCannedResponses;

    casacore::String otherAntRayPath_p;
  };

};
#endif