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       1             : // -*- C++ -*-
       2             : //# AzElAperture.h: Definition of the AzElAperture 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_AZELAPERTURE_H
      30             : #define SYNTHESIS_AZELAPERTURE_H
      31             : 
      32             : #include <casacore/images/Images/ImageInterface.h>
      33             : #include <synthesis/TransformMachines/ATerm.h>
      34             : #include <synthesis/TransformMachines/Utils.h>
      35             : #include <casacore/coordinates/Coordinates/CoordinateSystem.h>
      36             : #include <casacore/casa/Arrays/ArrayFwd.h>
      37             : //
      38             : //---------------------------------------------------------------------
      39             : //---------------------------------------------------------------------
      40             : // TEMPS The following #defines should REALLLLAY GO!
      41             : //---------------------------------------------------------------------
      42             : //---------------------------------------------------------------------
      43             : //
      44             : // #define CONVSIZE (1024*2)
      45             : // #define CONVWTSIZEFACTOR sqrt(2.0)
      46             : // #define OVERSAMPLING 10
      47             : // #define THRESHOLD 1E-3
      48             : 
      49             : 
      50             : namespace casacore{
      51             : 
      52             :   template<class T> class ImageInterface;
      53             : 
      54             : }
      55             : 
      56             : namespace casa { //# NAMESPACE CASA - BEGIN
      57             :   class VisBuffer;
      58             :   class AzElAperture : public ATerm
      59             :   {
      60             :   public:
      61           0 :     AzElAperture(): ATerm(), cachedCFC_p(), cachedCFCPA_p(400.0){};
      62           0 :     ~AzElAperture() {};
      63             :     virtual void rotate(const VisBuffer& vb, CFCell& cfc, const casacore::Double& rotAngleIncrement=5.0);
      64             :     virtual void rotate2(const VisBuffer& vb, CFCell& baseCFC, CFCell& cfc, const casacore::Double& rotAngleIncrement=5.0);
      65             :   private:
      66             :     casacore::Array<TT> cachedCFC_p;
      67             :     casacore::Float cachedCFCPA_p;
      68             :   };
      69             : };
      70             : #endif