Line data    Source code

       1             : //# VLAIlluminationConvFunc.h: Definition for VLAIlluminationConvFunc
       2             : //# Copyright (C) 1996,1997,1998,1999,2000,2002
       3             : //# Associated Universities, Inc. Washington DC, USA.
       4             : //#
       5             : //# This library is free software; you can redistribute it and/or modify it
       6             : //# under the terms of the GNU Library General Public License as published by
       7             : //# the Free Software Foundation; either version 2 of the License, or (at your
       8             : //# option) any later version.
       9             : //#
      10             : //# This library is distributed in the hope that it will be useful, but WITHOUT
      11             : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      12             : //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
      13             : //# License for more details.
      14             : //#
      15             : //# You should have received a copy of the GNU Library General Public License
      16             : //# along with this library; if not, write to the Free Software Foundation,
      17             : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
      18             : //#
      19             : //# Correspondence concerning AIPS++ should be adressed as follows:
      20             : //#        Internet email: aips2-request@nrao.edu.
      21             : //#        Postal address: AIPS++ Project Office
      22             : //#                        National Radio Astronomy Observatory
      23             : //#                        520 Edgemont Road
      24             : //#                        Charlottesville, VA 22903-2475 USA
      25             : //#
      26             : //#
      27             : //# $Id$
      28             : 
      29             : #ifndef SYNTHESIS_VLAILLUMINATIONCONVFUNC_H
      30             : #define SYNTHESIS_VLAILLUMINATIONCONVFUNC_H
      31             : 
      32             : #include <synthesis/TransformMachines/IlluminationConvFunc.h>
      33             : #include <synthesis/MeasurementComponents/CExp.new3.h>
      34             : #include <synthesis/MeasurementComponents/ExpCache.h>
      35             : #include <casacore/images/Images/TempImage.h>
      36             : #include <casacore/casa/Exceptions.h>
      37             : #include <msvis/MSVis/VisBuffer.h>
      38             : namespace casa
      39             : {
      40             :   class VLAIlluminationConvFunc: public IlluminationConvFunc
      41             :   {
      42             :   public:
      43             :     VLAIlluminationConvFunc(casacore::String fileName);
      44             :     VLAIlluminationConvFunc()
      45             :       :IlluminationConvFunc(),convFunc_p(),resolution()
      46             :     {pbRead_p=false;};
      47             :     VLAIlluminationConvFunc(casacore::Int n):IlluminationConvFunc(n)    {pbRead_p=false;};
      48           0 :     ~VLAIlluminationConvFunc() {};
      49             : 
      50             :     void load(casacore::String &fileName,casacore::Vector<casacore::Int>& whichStokes, 
      51             :               casacore::Float overSampling=20,casacore::Bool putCoords=true);
      52             :     void storeImg(casacore::String &fileName,casacore::ImageInterface<casacore::Complex>& img);
      53             :     void storeImg(casacore::String &fileName,casacore::ImageInterface<casacore::Float>& img);
      54             :     void store(casacore::String &fileName);
      55             :     void loadFromImage(casacore::String &fileName);
      56             :     void getIdealConvFunc(casacore::Array<casacore::Complex>& buf);
      57             :     void ftAperture(casacore::TempImage<casacore::Complex>& uvgrid);
      58           0 :     void ftAperture() {ftAperture(convFunc_p); pbRead_p=true;};
      59             :     void storePB(casacore::String& fileName);
      60             : 
      61             :     casacore::Bool pbReady() {return pbRead_p;}
      62             : 
      63             :     casacore::CoordinateSystem makeUVCoords(casacore::CoordinateSystem& imageCoordSys,
      64             :                                    casacore::IPosition& shape);
      65             :     void regridApeture(casacore::CoordinateSystem& skyCS, casacore::IPosition& skyShape, casacore::TempImage<casacore::Complex>& uvGrid, 
      66             :                        const VisBuffer& vb,casacore::Bool doSquint=true);
      67             :     void applyPB(casacore::ImageInterface<casacore::Float>& pbImage, const VisBuffer& vb);
      68             :     void applyPB(casacore::ImageInterface<casacore::Complex>& pbImage, const VisBuffer& vb);
      69             :     void ftAperture(casacore::String& fileName, casacore::Vector<casacore::Int>& whichStokes,
      70             :                    casacore::Float& overSampling, const casacore::CoordinateSystem& coordSys);
      71             : 
      72             :     /*
      73             :     virtual CF_TYPE getValue(casacore::Double *coord,
      74             :                              casacore::Double *raoff1,  casacore::Double *raoff2, 
      75             :                              casacore::Double *decoff1, casacore::Double *decoff2,
      76             :                              casacore::Double *area,
      77             :                              casacore::Int *doGrad,
      78             :                              casacore::Complex& weight,
      79             :                              casacore::Complex& dweight1,
      80             :                              casacore::Complex& dweight2
      81             :                              //           ,casacore::Double lsigma
      82             :                              );
      83             :     */    
      84             :   private:
      85             :     
      86             :     void fillPB(casacore::ImageInterface<casacore::Complex>& inImg, casacore::ImageInterface<casacore::Float>& outImg);
      87             :     void fillPB(casacore::ImageInterface<casacore::Complex>& inImg, casacore::ImageInterface<casacore::Complex>& outImg);
      88             : 
      89             :     casacore::TempImage<casacore::Complex> convFunc_p;
      90             :     //    casacore::TempImage<casacore::Float> reAperture_p, imAperture_p;
      91             :     casacore::Vector<casacore::Double> resolution;
      92             :     casacore::Bool pbRead_p;
      93             :     casacore::Float freq_p;
      94             :   };
      95             : 
      96             : };
      97             : #endif