SynthesisNormalizer.h

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00001 //# SynthesisNormalizer.h: Gather and Scatter operations for parallel major cycles.
00002 //# Copyright (C) 1996,1997,1998,1999,2000,2001,2002,2003
00003 //# Associated Universities, Inc. Washington DC, USA.
00004 //#
00005 //# This library is free software; you can redistribute it and/or modify it
00006 //# under the terms of the GNU Library General Public License as published by
00007 //# the Free Software Foundation; either version 2 of the License, or (at your
00008 //# option) any later version.
00009 //#
00010 //# This library is distributed in the hope that it will be useful, but WITHOUT
00011 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00012 //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00013 //# License for more details.
00014 //#
00015 //# You should have received a copy of the GNU Library General Public License
00016 //# along with this library; if not, write to the Free Software Foundation,
00017 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
00018 //#
00019 //# Correspondence concerning AIPS++ should be addressed as follows:
00020 //#        Internet email: aips2-request@nrao.edu.
00021 //#        Postal address: AIPS++ Project Office
00022 //#                        National Radio Astronomy Observatory
00023 //#                        520 Edgemont Road
00024 //#
00025 //# $Id$
00026 
00027 #ifndef SYNTHESIS_SYNTHESISPARSYNC_H
00028 #define SYNTHESIS_SYNTHESISPARSYNC_H
00029 
00030 #include <casa/aips.h>
00031 #include <casa/OS/Timer.h>
00032 #include <casa/Containers/Record.h>
00033 #include <ms/MeasurementSets/MeasurementSet.h>
00034 #include <casa/Arrays/IPosition.h>
00035 #include <casa/Quanta/Quantum.h>
00036 #include <measures/Measures/MDirection.h>
00037 
00038 #include<synthesis/ImagerObjects/SDAlgorithmBase.h>
00039 #include<synthesis/ImagerObjects/SDAlgorithmHogbomClean.h>
00040 #include<synthesis/ImagerObjects/SDMaskHandler.h>
00041 #include <synthesis/ImagerObjects/SIMinorCycleController.h>
00042 
00043 #include <synthesis/ImagerObjects/SIImageStore.h>
00044 #include <synthesis/ImagerObjects/SIImageStoreMultiTerm.h>
00045 
00046 namespace casa { //# NAMESPACE CASA - BEGIN
00047 
00048 // Forward declarations
00049 class MeasurementSet;
00050 template<class T> class ImageInterface;
00051 
00052 // <summary> Class that contains functions needed for imager </summary>
00053 
00054 class SynthesisNormalizer 
00055 {
00056  public:
00057   // Default constructor
00058 
00059   SynthesisNormalizer();
00060   ~SynthesisNormalizer();
00061 
00062   // Copy constructor and assignment operator
00063 
00064   // make all pure-inputs const
00065   void setupNormalizer(Record normpars);
00066 
00067   // Gather all part images to the 'full' one
00068   void gatherImages(Bool dopsf, Bool doresidual, Bool dodensity);
00069 
00070   // 'Gather' the pb ( just one node makes it.. )
00071   void gatherPB();
00072 
00073   // Copy out model to all pieces. Currently a No-Op.
00074   void scatterModel();
00075 
00076   // Gather all part gridded weights and add them up.
00077   void gatherWeightDensity();
00078   // Scatter summed gridded weights to all parts
00079   void scatterWeightDensity();
00080 
00081   SHARED_PTR<SIImageStore> getImageStore();
00082   void setImageStore( SIImageStore* imstore );
00083 
00084   void divideResidualByWeight();
00085   void dividePSFByWeight();
00086   void divideModelByWeight();
00087   void multiplyModelByWeight();
00088 
00089   void normalizePrimaryBeam();
00090 
00091 protected:
00092 
00093  // Normalize. This can later change to be more general, i.e. used for PB-correction too...
00094   // Check if images exist on disk and are all the same shape
00095   Bool setupImagesOnDisk();
00096   Bool doImagesExist( String imagename );
00097 
00098   SHARED_PTR<SIImageStore> makeImageStore( String imagename );
00099   SHARED_PTR<SIImageStore> makeImageStore( String imagename, CoordinateSystem& csys, IPosition shp, Bool useweightimage );
00100 
00101   void setPsfFromOneFacet();
00102 
00104 
00105   SHARED_PTR<SIImageStore> itsImages;
00106   Vector<SHARED_PTR<SIImageStore> > itsPartImages;
00107   Block<SHARED_PTR<SIImageStore> > itsFacetImageStores;
00108 
00109   IPosition itsImageShape;
00110   
00111   String itsImageName;
00112   Vector<String> itsPartImageNames;
00113   String itsStartingModelName;
00114   Float itsPBLimit;
00115 
00116   String itsMapperType;
00117   uInt itsNTaylorTerms, itsNFacets;
00118 
00119   String itsNormType;
00120 
00121 };
00122 
00123 
00124 } //# NAMESPACE CASA - END
00125 
00126 #endif
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