Line data    Source code

       1             : // -*- C++ -*-
       2             : //# PhaseGrad.h: Definition of the PhaseGrad class
       3             : //# Copyright (C) 1997,1998,1999,2000,2001,2002,2003
       4             : //# Associated Universities, Inc. Washington DC, USA.
       5             : //#
       6             : //# This library is free software; you can redistribute it and/or modify it
       7             : //# under the terms of the GNU Library General Public License as published by
       8             : //# the Free Software Foundation; either version 2 of the License, or (at your
       9             : //# option) any later version.
      10             : //#
      11             : //# This library is distributed in the hope that it will be useful, but WITHOUT
      12             : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13             : //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
      14             : //# License for more details.
      15             : //#
      16             : //# You should have received a copy of the GNU Library General Public License
      17             : //# along with this library; if not, write to the Free Software Foundation,
      18             : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
      19             : //#
      20             : //# Correspondence concerning AIPS++ should be addressed as follows:
      21             : //#        Internet email: casa-feedback@nrao.edu.
      22             : //#        Postal address: AIPS++ Project Office
      23             : //#                        National Radio Astronomy Observatory
      24             : //#                        520 Edgemont Road
      25             : //#                        Charlottesville, VA 22903-2475 USA
      26             : //#
      27             : //# $Id$
      28             : //
      29             : #ifndef SYNTHESIS_TRANSFORM2_PHASEGRAD_H
      30             : #define SYNTHESIS_TRANSFORM2_PHASEGRAD_H
      31             : 
      32             : #include <casacore/casa/Arrays/Matrix.h>
      33             : #include <casacore/casa/Arrays/Vector.h>
      34             : #include <msvis/MSVis/VisBuffer2.h>
      35             : #include <synthesis/TransformMachines2/CFBuffer.h>
      36             : #include <synthesis/TransformMachines2/PointingOffsets.h>
      37             : 
      38             : // #include <coordinates/Coordinates/DirectionCoordinate.h>
      39             : // #include <images/Images/ImageInterface.h>
      40             : // #include <images/Images/TempImage.h>
      41             : // #include <msvis/MSVis/VisBuffer2.h>
      42             : // #include <synthesis/MeasurementComponents/SolvableVisCal.h>
      43             : // class SolvableVisJones;
      44             : 
      45             : namespace casa { //# NAMESPACE CASA - BEGIN
      46             :   namespace refim{
      47             :   //
      48             :   //-------------------------------------------------------------------------------------------
      49             :   //
      50             :   class PhaseGrad
      51             :   {
      52             :   public:
      53             :     // PhaseGrad():field_phaseGrad_p(), antenna_phaseGrad_p(), cached_FieldOffset_p(), cachedCFBPtr_p(NULL), maxCFShape_p(2), needsNewFieldPG_p(false), needsNewPOPG_p(false)
      54         196 :     PhaseGrad():field_phaseGrad_p(), antenna_phaseGrad_p(), cached_FieldOffset_p(), maxCFShape_p(2), needsNewFieldPG_p(false), needsNewPOPG_p(false),
      55         196 :                 needCFPhaseGrad_p(true)
      56             : 
      57         196 :     {};
      58             : 
      59         196 :     ~PhaseGrad() {};
      60             : 
      61             :     PhaseGrad& operator=(const PhaseGrad& other);
      62             :     
      63             :     inline const casacore::Matrix<casacore::Complex>& getFieldPointingGrad() {return field_phaseGrad_p;}
      64             :     inline const casacore::Matrix<casacore::Complex>& getAntennaPointingGrad() {return antenna_phaseGrad_p;}
      65             :     bool needsNewPhaseGrad(const vi::VisBuffer2& vb,
      66             :                            const int& row);
      67             :     //    void getPhaseGrad(casacore::Matrix<casacore::Complex>& fullPhaseGrad) {fullPhaseGrad = antenna_phaseGrad_p + sky_phaseGrad_p;}
      68             : 
      69             :     bool ComputeFieldPointingGrad(const casacore::CountedPtr<PointingOffsets>& pointingOffset,
      70             :                                   const casacore::CountedPtr<CFBuffer>& cfb,
      71             :                                   const vi::VisBuffer2& vb);
      72             :     bool ComputeFieldPointingGrad(const casacore::CountedPtr<PointingOffsets>& pointingOffset,
      73             :                                   const vi::VisBuffer2& vb,
      74             :                                   const int& row,
      75             :                                   const pair<int,int> antGrp);
      76             :     // bool ComputeFieldPointingGrad(const casacore::Vector<double>& pointingOffset,
      77             :     //                            const casacore::Vector<int>&cfShape,
      78             :     //                            const casacore::Vector<int>& convOrigin,
      79             :     //                            const double& /*cfRefFreq*/,
      80             :     //                            const double& /*imRefFreq*/,
      81             :     //                            const int& spwID, const int& fieldId);
      82             :     
      83             :     //  private:
      84             :     casacore::Matrix<casacore::Complex> field_phaseGrad_p;
      85             :     casacore::Matrix<casacore::Complex> antenna_phaseGrad_p;
      86             :     casacore::Vector<casacore::RigidVector<double, 2> > cached_FieldOffset_p;
      87             :     // CFBuffer* cachedCFBPtr_p;
      88             :     casacore::Vector<int> maxCFShape_p;
      89             :     bool needsNewFieldPG_p, needsNewPOPG_p, needCFPhaseGrad_p;
      90             :   };
      91             :   //
      92             :   //-------------------------------------------------------------------------------------------
      93             :   //
      94             : };
      95             : };
      96             : #endif