GainLineDrift.h

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#ifndef GainLineDrift_h
#define GainLineDrift_h

#include <cmath>
#include <string>
#include <vector>

#include "IString.h"
#include "HiCalTypes.h"
#include "HiCalUtil.h"
#include "HiCalConf.h"
#include "Module.h"
#include "FileName.h"

#include "IException.h"

namespace Isis {
  class GainLineDrift : public Module {

    public:
      //  Constructors and Destructor
      GainLineDrift() : Module("GainLineDrift") { }
      GainLineDrift(const HiCalConf &conf) : Module("GainLineDrift") {
        init(conf);
      }

      virtual ~GainLineDrift() { }

    private:
      std::string _gdfile;
      int _ccd;
      int _channel;
      HiVector _coefs;

      void init(const HiCalConf &conf) {
        _history.clear();
        DbProfile prof = conf.getMatrixProfile();
        _history.add("Profile["+ prof.Name()+"]");
        _ccd = CpmmToCcd(ToInteger(prof("CpmmNumber")));
        _channel = ToInteger(prof("ChannelNumber"));

        //  Get parameters from gainVline coefficients file
        _coefs = loadCsv("LineGainDrift", conf, prof, 4);
        _history.add("Coefs["+ToString(_coefs[0])+ ","+
                              ToString(_coefs[1])+ ","+
                              ToString(_coefs[2])+ ","+
                              ToString(_coefs[3])+ "]");

        int bin = ToInteger(prof("Summing"));
        double linetime = ToDouble(prof("ScanExposureDuration"));
        HiLineTimeEqn timet(bin, linetime);
        int nlines = ToInteger(prof("Lines"));

        HiVector gainV(nlines);
        for ( int i = 0 ; i < nlines ; i++ ) {
          double lt = timet(i);
          gainV[i] = _coefs[0] + (_coefs[1] * lt) +
                     _coefs[2] * exp(_coefs[3] * lt);
        }

        _data = gainV;
        return;
      }

  };

}     // namespace Isis
#endif