Instrument.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2004 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/Polarimetry/Pulsar/Instrument.h
 
#ifndef __CalibrationInstrument_H
#define __CalibrationInstrument_H
 
#include "Pulsar/BackendFeed.h"
 
#include "MEAL/ScalarParameter.h"
#include "MEAL/ChainRule.h"
 
namespace Calibration {
 
  class Feed;
 
 
  class Instrument : public BackendFeed {
 
  public:
 
    Instrument ();
 
    Instrument (const Instrument& s);
 
    const Instrument& operator = (const Instrument& s);
 
    Instrument* clone () const;
 
    ~Instrument ();
 
    void equal_ellipticities ();
 
    void independent_ellipticities ();
 
    MEAL::ScalarParameter* get_ellipticities () { return ellipticities; }
 
    bool has_equal_ellipticities () const { return ellipticities; }
 
    void equal_orientations ();
    void independent_orientations ();
 
    void set_cyclic (bool flag = true);
 
    void set_constant_orientation (bool);
    
    Estimate<double> get_orientation (unsigned ireceptor) const;
 
    Estimate<double> get_ellipticity (unsigned ireceptor) const;
 
    unsigned get_ellipticity_index (unsigned receptor) const;
 
    void set_orientation (unsigned ireceptor, const Estimate<double>& theta);
 
    void set_ellipticity (unsigned ireceptor, const Estimate<double>& chi);
 
    const Feed* get_feed () const;
    Feed* get_feed ();
 
    // ///////////////////////////////////////////////////////////////////
    //
    // Model implementation
    //
    // ///////////////////////////////////////////////////////////////////
 
    std::string get_name () const;
 
  protected:
 
    Reference::To<Feed> feed;
 
    Reference::To< MEAL::ChainRule<MEAL::Complex2> > feed_chain;
 
    Reference::To<MEAL::ScalarParameter> ellipticities;
 
    Reference::To<MEAL::ScalarParameter> orientations;
 
  private:
 
    void init ();
 
  };
 
}
 
#endif