[u/mrichter/AliRoot.git] / PHOS / AliPHOSRecParticle.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

//_________________________________________________________________________
// Reconstructed Particle
//*-- Y. Schutz:   SUBATECH 
//////////////////////////////////////////////////////////////////////////////

// --- ROOT system ---

// --- Standard library ---

// --- AliRoot header files ---

#include "AliPHOSRecParticle.h"

ClassImp(AliPHOSRecParticle)


//____________________________________________________________________________
 AliPHOSRecParticle::AliPHOSRecParticle(AliPHOSTrackSegment * ts)
{
  // ctor
 
  fPHOSTrackSegment = new AliPHOSTrackSegment(*ts) ; 
  fE                = ts->GetEnergy() ; 
  TVector3 momdir   = ts->GetMomentumDirection() ;
  fPx               = fE * momdir.X() ; 
  fPy               = fE * momdir.Y() ; 
  fPz               = fE * momdir.Z() ; 

  fType = kUNDEFINED ; // undefined
                            
  if( ts->GetPpsdUp() == 0 ) {     // Neutral

    if( ts->GetPpsdLow() == 0 )    // Neutral  
      fType = kNEUTRAL ;   
    else                           // Gamma
      fType = kGAMMA ;               
  }
  else                            // Charged           
    fType = kCHARGED ;   
  
}

//____________________________________________________________________________
TString AliPHOSRecParticle::Name()
{
  TString  name ; 
  switch (fType) {
  case kGAMMA:
    name = "PHOTON" ;
    break ; 
   case kELECTRON:
     name = "ELECTRON" ;
    break ; 
  case kNEUTRAL:
    name = "NEUTRAL" ;
    break ; 
   case kCHARGEDHADRON:
    name = "CHARGED HADRON" ;
    break ; 
  case kNEUTRON:
    name = "NEUTRAL BARYON" ; 
    break ; 
  }
  return name ; 
}

//____________________________________________________________________________
void AliPHOSRecParticle::Print()
{
  cout << "AliPHOSRecParticle > " << "type is  " << Name() << endl 
       << "                     " << "Energy = " << fE << endl 
       << "                     " << "Px     = " << fPx << endl 
       << "                     " << "Py     = " << fPy << endl 
       << "                     " << "Pz     = " << fPz << endl ; 
}
Commit	Line	Data
6ad0bfa0	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	//_________________________________________________________________________
	17	// Reconstructed Particle
	18	//*-- Y. Schutz: SUBATECH
	19	//////////////////////////////////////////////////////////////////////////////
	20
	21	// --- ROOT system ---
	22
	23	// --- Standard library ---
	24
	25	// --- AliRoot header files ---
	26
	27	#include "AliPHOSRecParticle.h"
	28
	29	ClassImp(AliPHOSRecParticle)
	30
	31
	32	//____________________________________________________________________________
	33	AliPHOSRecParticle::AliPHOSRecParticle(AliPHOSTrackSegment * ts)
	34	{
	35	// ctor
	36
	37	fPHOSTrackSegment = new AliPHOSTrackSegment(*ts) ;
6ad0bfa0	38	fE = ts->GetEnergy() ;
	39	TVector3 momdir = ts->GetMomentumDirection() ;
	40	fPx = fE * momdir.X() ;
	41	fPy = fE * momdir.Y() ;
	42	fPz = fE * momdir.Z() ;
	43
09fc14a0	44	fType = kUNDEFINED ; // undefined
	45
	46	if( ts->GetPpsdUp() == 0 ) { // Neutral
	47
	48	if( ts->GetPpsdLow() == 0 ) // Neutral
	49	fType = kNEUTRAL ;
	50	else // Gamma
	51	fType = kGAMMA ;
	52	}
	53	else // Charged
	54	fType = kCHARGED ;
	55
6ad0bfa0	56	}
	57
	58	//____________________________________________________________________________
	59	TString AliPHOSRecParticle::Name()
	60	{
	61	TString name ;
	62	switch (fType) {
09fc14a0	63	case kGAMMA:
6ad0bfa0	64	name = "PHOTON" ;
6ad0bfa0	65	break ;
09fc14a0	66	case kELECTRON:
6ad0bfa0	67	name = "ELECTRON" ;
6ad0bfa0	68	break ;
09fc14a0	69	case kNEUTRAL:
6ad0bfa0	70	name = "NEUTRAL" ;
6ad0bfa0	71	break ;
92862013	72	case kCHARGEDHADRON:
6ad0bfa0	73	name = "CHARGED HADRON" ;
6ad0bfa0	74	break ;
09fc14a0	75	case kNEUTRON:
	76	name = "NEUTRAL BARYON" ;
	77	break ;
6ad0bfa0	78	}
	79	return name ;
	80	}
	81
	82	//____________________________________________________________________________
	83	void AliPHOSRecParticle::Print()
	84	{
	85	cout << "AliPHOSRecParticle > " << "type is " << Name() << endl
	86	<< " " << "Energy = " << fE << endl
	87	<< " " << "Px = " << fPx << endl
	88	<< " " << "Py = " << fPy << endl
	89	<< " " << "Pz = " << fPz << endl ;
	90	}