source: JEM-EUSO/esaf_cc_at_lal/packages/simulation/radiativetransfer/include/UnisimPhotonsOnPupil.hh @ 114

// $Id: UnisimPhotonsOnPupil.hh 2604 2006-03-20 21:51:35Z thea $
// Author: M. Pallavicini created Jul,  2 2002

/*****************************************************************************
 * ESAF: Euso Simulation and Analysis Framework                              *
 *                                                                           *
 *  UnisimId: UnisimPhotonsOnPupil                                           *
 *  Package: RadiativeTransfer                                               *
 *  Coordinator: Sylvain.Moreggia                                            *
 *                                                                           *
 *****************************************************************************/          
#ifndef __UNISIMPHOTONSONPUPIL_HH__
#define __UNISIMPHOTONSONPUPIL_HH__

#include "euso.hh"
#include "EsafMsgSource.hh"
#include "PhotonsOnPupil.hh"
#include "ParentPhoton.hh"
#include "MCTruth.hh"
#include <string>
#include <map>

////////////////////////////////////////////////////////////////////////////////
//                                                                            //
// UnisimPhotonsOnPupil                                                       //
//                                                                            //
// Photons on Pupil as described in Unism File .php                           //
// These file may become standard for Photons on Pupil format but             //
// we foresee the possibility that each simulation piece has its own          //
// format                                                                     //
// Event are made by an header and a list of ParentPhoton objects             //
// Class ParentPhoton is slightly different from Photon and describes         //
// a photon as it enters the pupil                                            //
// Class Photon is used to propagate the photon inside the detector           //
// Each Photon holds a pointer to its ParentPhoton                            //
//                                                                            //
////////////////////////////////////////////////////////////////////////////////  

class UnisimPhotonsOnPupil : public PhotonsOnPupil, public EsafMsgSource {
public:
    // ctor
    UnisimPhotonsOnPupil();
    // dtor
    virtual ~UnisimPhotonsOnPupil();

    virtual void Clear();
    Bool_t Load( FILE* );
    Bool_t SkipEvent( FILE*);      // skip one event
    // returns Montecarlo truth informations for this event
    virtual MCTruth* Truth();

    virtual Photon* GetPhoton();

    Double_t GetZdisk() const { return fZdisk; }
    Double_t GetRmaxDisk() const { return fRmaxDisk; }
    Bool_t IsPhotonOnDisk() const { return fPhotonOndisk; }
    
    void SetZdisk( Double_t z ) { fZdisk = z; }
    void SetRmaxDisk( Double_t r ) { fRmaxDisk = r; }
    void SetPhotonOnDisk( Bool_t disk = kTRUE) { fPhotonOndisk = disk; }

    // release all the mem hold in the buffers
    virtual Bool_t ClearMemory();

private:
    ParentPhoton** fPhotons;  // array of parent photons
    Int_t fEvCounter;         // event counter           
    Int_t fBufferSize;        // number of max photons storable in the local photon buffer 
    Double_t fZdisk;          // Z coordinate of the disk where photons are expected for tracking
    Double_t fRmaxDisk;       // radius of disk where photons are expected for tracking  
    Bool_t   fPhotonOndisk;    // Tracks unisim photons on the horizontal disk.

    void NewPhotonBuffer(Int_t);   // utilities to handle the photon buffer
    void DeletePhotonBuffer();

    Bool_t LoadHeader( FILE* );    // read the header and store it in a key-value map
    map<string,double> fHeader;
    MCTruth* fTheTruth;
  
    ClassDef(UnisimPhotonsOnPupil,0)
};

#endif  /* __UNISIMPHOTONSONPUPIL_HH__ */