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#ifndef PETProjDataMgr_h
 
#define PETProjDataMgr_h
 
 
 
/*---------------------------------------------------------------------------  
 
ClassName:   PETProjDataMgr
 
Author:      M. Canadas, P. Arce
 
Changes:     01/11: creation 
 
 
 
-------------------------------------------------------------------------
 
// Description
 
         
 
    PET output (List-mode X Y Z) into projection data (sinograms). 
 
 
 
    Output data: Sinograms for PET image reconstruction. Interfile format, STIR compatible (.hs/.s), 
 
                 STIR Software for Tomographic Image Reconstruction: http://stir.sourceforge.net/main.htm     
 
 
 
-----------------------------------------------------------------------*/
 
 
 
#include <iostream>
 
#include "TVector3.h"
 
class TH2F;
 
 
 
//#include <math.h>
 
#include <map>
 
#include <vector>
 
#include <set>
 
#include <string>
 
 
 
class TH1;
 
class TH2F;
 
class TH3F;
 
class TRandom3;
 
 
 
 typedef unsigned short SINO_TYPE;  //!!NOTE:  Check "Write_sino3D" (.hv file) if SINO_TYPE changes !!
 
 
 
//------------------------------------------------------------------------
 
class PETProjDataMgr 
 
{ 
 
 private:
 
  PETProjDataMgr();
 
  int m_Debug;
 
 public:
 
  ~PETProjDataMgr();
 
 
 
  //! Get the only instance 
 
  static PETProjDataMgr* GetInstance();
 
  void AddEvent(const TVector3& pos1, const TVector3& pos2); 
 
  //void ReadFile();
 
  //PETOutput ReadEvent( G4bool& bEof );
 
  void SetProjection(int axialplane, TH2F*h);
 
  void WriteInterfile();
 
  void SetNPlanes(int n){m_NOfPlanes=n;};
 
  void SetNBin(int n){m_NOfBins=n;};
 
  void SetNAng(int n){m_NOfAngles=n;};
 
  void SetDebug(int n){m_Debug=n;};
 
  void SetNumberOfChannels(int n){m_nch=n;};
 
  void SetFilename( const char *fname){ m_Filename= TString(fname); };
 
  void SetRingDiameter( double x){ m_RingDiameter = x; };
 
  void SetAxialDistance( double x){ m_AxialDistance = x; };
 
  TH2F *Phantom(int kaj);
 
  int FwdProject(TH2F *img, TH2F *h=NULL);
 
  int FwdProject(TH3F *img, TH3F *h=NULL);
 
 
 
  int FwdProject(double x,double y, double z, int nmax, TH1 *h=NULL);
 
  TVector3 Hits2Digits(const TVector3 &r);
 
 
 
private:
 
  static PETProjDataMgr* m_Instance;
 
  
 
  double m_AxialDistance;
 
  double m_RingDiameter;
 
  int m_NOfPlanes;
 
  int m_NOfBins;
 
  int m_NOfAngles;
 
  int m_MaxRingDifference;
 
  int m_OutFormat;
 
  int m_nch;
 
  int m_TotalAxialPlanes;
 
  TString m_Filename;
 
  TRandom3 * m_rnd;
 
  //G4bool bDumpCout;
 
  
 
  SINO_TYPE ***m_projections;
 
  SINO_TYPE *m_Buffer;
 
  
 
  unsigned long int m_TotalCoincidences;
 
  unsigned long int m_TotalProjectionCoincidences;
 
 
 
  
 
  FILE *fp;
 
};
 
 
 
#endif