BremMatrixManager.h

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#ifndef ATLFAST_BREMMATRIXMANAGER_H
#define ATLFAST_BREMMATRIXMANAGER_H

#include "GaudiKernel/MsgStream.h"
#include "AtlfastAlgs/BremBinData.h"
#include "AtlfastEvent/TrackTrajectory.h"

#include "AtlfastAlgs/BinID.h"
#include "AtlfastUtils/HeaderPrinter.h"

#include <vector>
#include <string>
#include <map>
#include <utility>

//===========================================================
//
//  Matrix Manager
// 
//  Used by tracksmearer to provide smear matrix data 
//  corresponding to a given track trajectory
//
//===========================================================


namespace Atlfast 
{
  using std::string;
  using std::ifstream;
  using std::map;

  class BremMatrixManager
  {
    
    public:

      BremMatrixManager( string, int, MsgStream );
      
      ~BremMatrixManager();
      
      TrackTrajectory getBremTrack( const TrackTrajectory& track ) const;

    
    private:

      MsgStream* m_log;

      void initialise();
      void fillVector( ifstream&, vector< vector<double> >&, int );
      void makeHeader(); 
     
      BremBinData* getBinData( const TrackTrajectory& track ) const;
     
      string m_file;
      
      map<BinID, BremBinData*> m_binData;

      int m_randSeed;
      vector<double> m_etaBoundaries;
      vector<double> m_rTBoundaries;
      int m_nRTBins;
      int m_nEtaBins;

  };

}

#endif

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