PredictAlgorithm.h

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//# Predict.h: Parallel model visibility prediction
//# Copyright (C) 1996,1997,1998,1999,2000,2002
//# Associated Universities, Inc. Washington DC, USA.
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//# License for more details.
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//# $Id$

#ifndef SYNTHESIS_PREDICTALGORITHM_H
#define SYNTHESIS_PREDICTALGORITHM_H

#include <casa/BasicSL/String.h>
#include <synthesis/Parallel/Algorithm.h>
#include <synthesis/Parallel/Applicator.h>
#include <synthesis/MSVis/VisSet.h>
#include <synthesis/MSVis/VisSetUtil.h>
#include <images/Images/ImageInterface.h>
#include <images/Images/PagedImage.h>
#include <images/Images/TempImage.h>
#include <synthesis/TransformMachines/GridFT.h>
#include <synthesis/TransformMachines/FTMachine.h>

namespace casa { //# NAMESPACE CASA - BEGIN

// <summary> Parallel model visibility prediction </summary>

// <use visibility=export>

// <reviewed reviewer="" date="" tests="" demos="">

// <prerequisite>
//   <li> <linkto module="FTMachine">FTMachine</linkto> module
//    <li> <linkto module="Applicator">Algorithm</linkto> module
// </prerequisite>
//
// <etymology>
// From "parallel model visibility prediction" and "algorithm"
// </etymology>
//
// <synopsis> 
// Used by PSkyEquation to predict model visibility in parallel.
// Fits within the Applicator/Algorithm framework
// </synopsis> 
//
// <example>
// <srcblock>

// </srcblock>
// </example>
//
// <motivation>
// Encapsulates the parallel model visibility prediction
// </motivation>
//
// <todo asof="01/7/20">
// <li> Implement changing SkyJones so that mosaicing can be parallelized
// </todo>

class PredictAlgorithm : public Algorithm {
 public:
  // Default constructor and destructor
  PredictAlgorithm();
  ~PredictAlgorithm();

  // Get the input data and parameters from the controller
  void get();

  // Return the results to the controller
  void put();

  // Return the name of the algorithm
  String &name();

private:
  // Private data
  Int model_p;

  TempImage<Complex> *cImage_p;
  String myName_p;
  String msName_p;
  Bool incremental_p;
  TempImage<Float> psf_p;
  FTMachine* ft_p;
  MeasurementSet *ms_p ; 

  // The work that a child processor is to do 
  void task();

  // Initialize the visibility grid 
  void initializeGet(const VisBuffer& vb, Int row, Int model, 
                     Bool incremental);

  // FT and put the result into the model visibility column of the visbuffer 
  VisBuffer& getModelVis(VisBuffer& vb, Int model,
                         Bool incremental);

};


} //# NAMESPACE CASA - END

#endif