[u/mrichter/AliRoot.git] / EMCAL / AliEMCAL.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.                  *
 **************************************************************************/

/* $Id$ */
/* History of cvs commits:
 *
 * $Log$

 * Revision 1.54  2007/12/06 10:31:13  hristov
 * Bug fix: using the mapping from CDB
 *
 * Revision 1.53.10.1  2007/12/06 10:29:59  hristov
 * Bug fix: using the mapping from CDB
 *
 * Revision 1.53  2007/03/17 19:56:38  mvl
 * Moved signal shape routines from AliEMCAL to separate class AliEMCALRawUtils to streamline raw data reconstruction code.
 *
 * Revision 1.52  2007/03/10 22:19:01  pavlinov
 * move one varibels from AliEMCALv2 to AliEMCAL
 *
 * Revision 1.51  2007/02/24 20:42:35  pavlinov
 * fixed error of Geant3 parameters initialisation
 *
 * Revision 1.50  2007/02/05 10:43:25  hristov
 * Changes for correct initialization of Geant4 (Mihaela)
 *
 * Revision 1.49  2007/01/22 17:29:12  pavlinov
 * EMCAL geometry can be created independently form anything now
 *
 * Revision 1.48  2006/12/19 02:34:13  pavlinov
 * clean up the EMCAL name scheme : super module -> module -> tower (or cell)
 *
 * Revision 1.47  2006/12/05 17:12:03  gustavo
 * Updated AliEMCAL::Digits2Raw, reads first provisional RCU mapping files to make Raw data with new AliCaloAltroMapping and AliCaloRawStream
 *
 *
 */
//_________________________________________________________________________
// Base Class for EMCAL description:
// This class contains material definitions    
// for the EMCAL - It does not place the detector in Alice
//*-- Author: Yves Schutz (SUBATECH) 
//
//*-- Additional Contributions: Sahal Yacoob (LBNL/UCT)
//
//////////////////////////////////////////////////////////////////////////////

// --- ROOT system ---
class TFile;
#include <TFolder.h> 
#include <TGeoGlobalMagField.h>
#include <TGraph.h> 
#include <TH1F.h> 
#include <TRandom.h> 
#include <TTree.h>
#include <TVirtualMC.h> 

// --- Standard library ---

// --- AliRoot header files ---
#include "AliMagF.h"
#include "AliEMCAL.h"
#include "AliRun.h"
#include "AliEMCALLoader.h"
#include "AliEMCALSDigitizer.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCALDigit.h"
#include "AliEMCALRawUtils.h"
#include "AliCDBManager.h"
#include "AliCDBEntry.h"

ClassImp(AliEMCAL)

//____________________________________________________________________________
AliEMCAL::AliEMCAL()
  : AliDetector(),
    fBirkC0(0),
    fBirkC1(0.),
    fBirkC2(0.),
    fGeometry(0)
{
  // Default ctor 
  fName = "EMCAL" ;
  InitConstants();

  // Should call  AliEMCALGeometry::GetInstance(EMCAL->GetTitle(),"") for getting EMCAL geometry
}

//____________________________________________________________________________
AliEMCAL::AliEMCAL(const char* name, const char* title)
  : AliDetector(name,title),
    fBirkC0(0),
    fBirkC1(0.),
    fBirkC2(0.),
    fGeometry(0)
{
  //   ctor : title is used to identify the layout
  InitConstants();
}

//____________________________________________________________________________
AliEMCAL::~AliEMCAL()
{
  //dtor
}

//____________________________________________________________________________
void AliEMCAL::InitConstants()
{
  //initialize EMCAL values
  fBirkC0 = 1;
  fBirkC1 = 0.013/1.032;
  fBirkC2 = 9.6e-6/(1.032 * 1.032);
  }


//____________________________________________________________________________
void AliEMCAL::DefineMediumParameters()
{
  //
  // EMCAL cuts (Geant3) 
  // 
  Int_t * idtmed = fIdtmed->GetArray() - 1599 ; 
// --- Set decent energy thresholds for gamma and electron tracking

  // Tracking threshold for photons and electrons in Lead 
  Float_t cutgam=10.e-5; // 100 kev;
  Float_t cutele=10.e-5; // 100 kev;
  TString ntmp(GetTitle()); 
  ntmp.ToUpper();
  if(ntmp.Contains("10KEV")) {
    cutele = cutgam = 1.e-5;
  } else if(ntmp.Contains("50KEV")) {
    cutele = cutgam = 5.e-5;
  } else if(ntmp.Contains("100KEV")) {
    cutele = cutgam = 1.e-4;
  } else if(ntmp.Contains("200KEV")) {
    cutele = cutgam = 2.e-4;
  } else if(ntmp.Contains("500KEV")) {
    cutele = cutgam = 5.e-4;
  }

  gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam);
  gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05
  gMC->Gstpar(idtmed[1600],"BCUTE",  cutgam);  // BCUTE and BCUTM start from GUTGUM
  gMC->Gstpar(idtmed[1600],"BCUTM",  cutgam);  // BCUTE and BCUTM start from GUTGUM
  // --- Generate explicitly delta rays in Lead ---
  gMC->Gstpar(idtmed[1600], "LOSS", 3) ;
  gMC->Gstpar(idtmed[1600], "DRAY", 1) ;
  gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ;
  gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ;

// --- in aluminium parts ---
  gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ;
  gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ;
  gMC->Gstpar(idtmed[1602],"BCUTE",  cutgam);  // BCUTE and BCUTM start from GUTGUM
  gMC->Gstpar(idtmed[1602],"BCUTM",  cutgam);  // BCUTE and BCUTM start from GUTGUM
  gMC->Gstpar(idtmed[1602], "LOSS",3.) ;
  gMC->Gstpar(idtmed[1602], "DRAY",1.) ;
  gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ;
  gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ;

// --- and finally thresholds for photons and electrons in the scintillator ---
  gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ;
  gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05
  gMC->Gstpar(idtmed[1601],"BCUTE",  cutgam);  // BCUTE and BCUTM start from GUTGUM
  gMC->Gstpar(idtmed[1601],"BCUTM",  cutgam);  // BCUTE and BCUTM start from GUTGUM
  gMC->Gstpar(idtmed[1601], "LOSS",3) ; // generate delta rays 
  gMC->Gstpar(idtmed[1601], "DRAY",1) ;
  gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ;
  gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ;

  // S steel - 
  gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam);
  gMC->Gstpar(idtmed[1603],"CUTELE", cutele);
  gMC->Gstpar(idtmed[1603],"BCUTE",  cutgam);  // BCUTE and BCUTM start from GUTGUM
  gMC->Gstpar(idtmed[1603],"BCUTM",  cutgam);  // BCUTE and BCUTM start from GUTGUM
  // --- Generate explicitly delta rays 
  gMC->Gstpar(idtmed[1603], "LOSS",3);
  gMC->Gstpar(idtmed[1603], "DRAY",1);
  gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ;
  gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ;

  AliEMCALGeometry* geom = GetGeometry();
  if(geom->GetILOSS()>=0) {
    for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "LOSS", geom->GetILOSS()) ; 
  } 
  if(geom->GetIHADR()>=0) {
    for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "HADR", geom->GetIHADR()) ; 
  }
}

//____________________________________________________________________________
AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const
{
  //create and return the digitizer
  return new AliEMCALDigitizer(manager);
}

//____________________________________________________________________________
void AliEMCAL::CreateMaterials()
{
  // Definitions of materials to build EMCAL and associated tracking media.
  // media number in idtmed are 1599 to 1698.
  // --- Air ---               
  Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
  Float_t zAir[4]={6.,7.,8.,18.};
  Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
  Float_t dAir = 1.20479E-3;
  AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ;

  // --- Lead ---                                                                     
  AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;


  // --- The polysterene scintillator (CH) ---
  Float_t aP[2] = {12.011, 1.00794} ;
  Float_t zP[2] = {6.0, 1.0} ;
  Float_t wP[2] = {1.0, 1.0} ;
  Float_t dP = 1.032 ;

  AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ;

  // --- Aluminium ---
  AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
  // ---         Absorption length is ignored ^

  // 25-aug-04 by PAI - see  PMD/AliPMDv0.cxx for STEEL definition
  Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
  Float_t zsteel[4] = { 26.,24.,28.,14. };
  Float_t wsteel[4] = { .715,.18,.1,.005 };
  AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);

  // DEFINITION OF THE TRACKING MEDIA

  // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100]
  Int_t   isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ;
  Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ;

  // Air                                                                         -> idtmed[1599]
 AliMedium(0, "Air$", 0, 0,
	     isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;

  // The Lead                                                                      -> idtmed[1600]
 
  AliMedium(1, "Lead$", 1, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

 // The scintillator of the CPV made of Polystyrene scintillator                   -> idtmed[1601]
  float deemax = 0.1; // maximum fractional energy loss in one step (0 < DEEMAX < deemax )
  AliMedium(2, "Scintillator$", 2, 1,
            isxfld, sxmgmx, 10.0, 0.001, deemax, 0.001, 0.001, 0, 0) ;

  // Various Aluminium parts made of Al                                            -> idtmed[1602]
  AliMedium(3, "Al$", 3, 0,
             isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;

  // 25-aug-04 by PAI : see  PMD/AliPMDv0.cxx for STEEL definition                 -> idtmed[1603]
  AliMedium(4, "S steel$", 4, 0, 
             isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;


  //set constants for Birk's Law implentation
  fBirkC0 =  1;
  fBirkC1 =  0.013/dP;
  fBirkC2 =  9.6e-6/(dP * dP);

  // Call just in case of Geant3; What to do in case of Geant4 ?
  // if(gMC->InheritsFrom("TGeant3")) DefineMediumParameters(); // Feb 20, 2007
  // Just do the same but in Init() function
  // DefineMediumParameters(); 
}

//____________________________________________________________________________
void  AliEMCAL::Init()
{
  // Call just in case of Geant3; What to do in case of Geant4 ?
  // if(gMC->InheritsFrom("TGeant3")) DefineMediumParameters(); // Feb 20, 2007
  // Just do the same
  DefineMediumParameters(); 
}     

//____________________________________________________________________________
void AliEMCAL::Digits2Raw() {

  static AliEMCALRawUtils rawUtils;
  rawUtils.Digits2Raw();

}
//____________________________________________________________________________
void AliEMCAL::Hits2SDigits()  
{ 
// create summable digits

  GetGeometry();
  AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
  emcalDigitizer.SetEventRange(0, -1) ; // do all the events
  emcalDigitizer.ExecuteTask() ;
}

//____________________________________________________________________________

AliLoader* AliEMCAL::MakeLoader(const char* topfoldername)
{
//different behaviour than standard (singleton getter)
// --> to be discussed and made eventually coherent
 fLoader = new AliEMCALLoader(GetName(),topfoldername);
 return fLoader;
}
Commit	Line	Data
	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	/* $Id$ */
	17	/* History of cvs commits:
	18	*
	19	* $Log$
	20
	21	* Revision 1.54 2007/12/06 10:31:13 hristov
	22	* Bug fix: using the mapping from CDB
	23	*
	24	* Revision 1.53.10.1 2007/12/06 10:29:59 hristov
	25	* Bug fix: using the mapping from CDB
	26	*
	27	* Revision 1.53 2007/03/17 19:56:38 mvl
	28	* Moved signal shape routines from AliEMCAL to separate class AliEMCALRawUtils to streamline raw data reconstruction code.
	29	*
	30	* Revision 1.52 2007/03/10 22:19:01 pavlinov
	31	* move one varibels from AliEMCALv2 to AliEMCAL
	32	*
	33	* Revision 1.51 2007/02/24 20:42:35 pavlinov
	34	* fixed error of Geant3 parameters initialisation
	35	*
	36	* Revision 1.50 2007/02/05 10:43:25 hristov
	37	* Changes for correct initialization of Geant4 (Mihaela)
	38	*
	39	* Revision 1.49 2007/01/22 17:29:12 pavlinov
	40	* EMCAL geometry can be created independently form anything now
	41	*
	42	* Revision 1.48 2006/12/19 02:34:13 pavlinov
	43	* clean up the EMCAL name scheme : super module -> module -> tower (or cell)
	44	*
	45	* Revision 1.47 2006/12/05 17:12:03 gustavo
	46	* Updated AliEMCAL::Digits2Raw, reads first provisional RCU mapping files to make Raw data with new AliCaloAltroMapping and AliCaloRawStream
	47	*
	48	*
	49	*/
	50	//_________________________________________________________________________
	51	// Base Class for EMCAL description:
	52	// This class contains material definitions
	53	// for the EMCAL - It does not place the detector in Alice
	54	//*-- Author: Yves Schutz (SUBATECH)
	55	//
	56	//*-- Additional Contributions: Sahal Yacoob (LBNL/UCT)
	57	//
	58	//////////////////////////////////////////////////////////////////////////////
	59
	60	// --- ROOT system ---
	61	class TFile;
	62	#include <TFolder.h>
	63	#include <TGeoGlobalMagField.h>
	64	#include <TGraph.h>
	65	#include <TH1F.h>
	66	#include <TRandom.h>
	67	#include <TTree.h>
	68	#include <TVirtualMC.h>
	69
	70	// --- Standard library ---
	71
	72	// --- AliRoot header files ---
	73	#include "AliMagF.h"
	74	#include "AliEMCAL.h"
	75	#include "AliRun.h"
	76	#include "AliEMCALLoader.h"
	77	#include "AliEMCALSDigitizer.h"
	78	#include "AliEMCALDigitizer.h"
	79	#include "AliEMCALDigit.h"
	80	#include "AliEMCALRawUtils.h"
	81	#include "AliCDBManager.h"
	82	#include "AliCDBEntry.h"
	83
	84	ClassImp(AliEMCAL)
	85
	86	//____________________________________________________________________________
	87	AliEMCAL::AliEMCAL()
	88	: AliDetector(),
	89	fBirkC0(0),
	90	fBirkC1(0.),
	91	fBirkC2(0.),
	92	fGeometry(0)
	93	{
	94	// Default ctor
	95	fName = "EMCAL" ;
	96	InitConstants();
	97
	98	// Should call AliEMCALGeometry::GetInstance(EMCAL->GetTitle(),"") for getting EMCAL geometry
	99	}
	100
	101	//____________________________________________________________________________
	102	AliEMCAL::AliEMCAL(const char* name, const char* title)
	103	: AliDetector(name,title),
	104	fBirkC0(0),
	105	fBirkC1(0.),
	106	fBirkC2(0.),
	107	fGeometry(0)
	108	{
	109	// ctor : title is used to identify the layout
	110	InitConstants();
	111	}
	112
	113	//____________________________________________________________________________
	114	AliEMCAL::~AliEMCAL()
	115	{
	116	//dtor
	117	}
	118
	119	//____________________________________________________________________________
	120	void AliEMCAL::InitConstants()
	121	{
	122	//initialize EMCAL values
	123	fBirkC0 = 1;
	124	fBirkC1 = 0.013/1.032;
	125	fBirkC2 = 9.6e-6/(1.032 * 1.032);
	126	}
	127
	128
	129	//____________________________________________________________________________
	130	void AliEMCAL::DefineMediumParameters()
	131	{
	132	//
	133	// EMCAL cuts (Geant3)
	134	//
	135	Int_t * idtmed = fIdtmed->GetArray() - 1599 ;
	136	// --- Set decent energy thresholds for gamma and electron tracking
	137
	138	// Tracking threshold for photons and electrons in Lead
	139	Float_t cutgam=10.e-5; // 100 kev;
	140	Float_t cutele=10.e-5; // 100 kev;
	141	TString ntmp(GetTitle());
	142	ntmp.ToUpper();
	143	if(ntmp.Contains("10KEV")) {
	144	cutele = cutgam = 1.e-5;
	145	} else if(ntmp.Contains("50KEV")) {
	146	cutele = cutgam = 5.e-5;
	147	} else if(ntmp.Contains("100KEV")) {
	148	cutele = cutgam = 1.e-4;
	149	} else if(ntmp.Contains("200KEV")) {
	150	cutele = cutgam = 2.e-4;
	151	} else if(ntmp.Contains("500KEV")) {
	152	cutele = cutgam = 5.e-4;
	153	}
	154
	155	gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam);
	156	gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05
	157	gMC->Gstpar(idtmed[1600],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
	158	gMC->Gstpar(idtmed[1600],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
	159	// --- Generate explicitly delta rays in Lead ---
	160	gMC->Gstpar(idtmed[1600], "LOSS", 3) ;
	161	gMC->Gstpar(idtmed[1600], "DRAY", 1) ;
	162	gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ;
	163	gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ;
	164
	165	// --- in aluminium parts ---
	166	gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ;
	167	gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ;
	168	gMC->Gstpar(idtmed[1602],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
	169	gMC->Gstpar(idtmed[1602],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
	170	gMC->Gstpar(idtmed[1602], "LOSS",3.) ;
	171	gMC->Gstpar(idtmed[1602], "DRAY",1.) ;
	172	gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ;
	173	gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ;
	174
	175	// --- and finally thresholds for photons and electrons in the scintillator ---
	176	gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ;
	177	gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05
	178	gMC->Gstpar(idtmed[1601],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
	179	gMC->Gstpar(idtmed[1601],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
	180	gMC->Gstpar(idtmed[1601], "LOSS",3) ; // generate delta rays
	181	gMC->Gstpar(idtmed[1601], "DRAY",1) ;
	182	gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ;
	183	gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ;
	184
	185	// S steel -
	186	gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam);
	187	gMC->Gstpar(idtmed[1603],"CUTELE", cutele);
	188	gMC->Gstpar(idtmed[1603],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
	189	gMC->Gstpar(idtmed[1603],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
	190	// --- Generate explicitly delta rays
	191	gMC->Gstpar(idtmed[1603], "LOSS",3);
	192	gMC->Gstpar(idtmed[1603], "DRAY",1);
	193	gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ;
	194	gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ;
	195
	196	AliEMCALGeometry* geom = GetGeometry();
	197	if(geom->GetILOSS()>=0) {
	198	for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "LOSS", geom->GetILOSS()) ;
	199	}
	200	if(geom->GetIHADR()>=0) {
	201	for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "HADR", geom->GetIHADR()) ;
	202	}
	203	}
	204
	205	//____________________________________________________________________________
	206	AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const
	207	{
	208	//create and return the digitizer
	209	return new AliEMCALDigitizer(manager);
	210	}
	211
	212	//____________________________________________________________________________
	213	void AliEMCAL::CreateMaterials()
	214	{
	215	// Definitions of materials to build EMCAL and associated tracking media.
	216	// media number in idtmed are 1599 to 1698.
	217	// --- Air ---
	218	Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
	219	Float_t zAir[4]={6.,7.,8.,18.};
	220	Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
	221	Float_t dAir = 1.20479E-3;
	222	AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ;
	223
	224	// --- Lead ---
	225	AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
	226
	227
	228	// --- The polysterene scintillator (CH) ---
	229	Float_t aP[2] = {12.011, 1.00794} ;
	230	Float_t zP[2] = {6.0, 1.0} ;
	231	Float_t wP[2] = {1.0, 1.0} ;
	232	Float_t dP = 1.032 ;
	233
	234	AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ;
	235
	236	// --- Aluminium ---
	237	AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
	238	// --- Absorption length is ignored ^
	239
	240	// 25-aug-04 by PAI - see PMD/AliPMDv0.cxx for STEEL definition
	241	Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
	242	Float_t zsteel[4] = { 26.,24.,28.,14. };
	243	Float_t wsteel[4] = { .715,.18,.1,.005 };
	244	AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
	245
	246	// DEFINITION OF THE TRACKING MEDIA
	247
	248	// for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100]
	249	Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ;
	250	Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ;
	251
	252	// Air -> idtmed[1599]
	253	AliMedium(0, "Air$", 0, 0,
	254	isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
	255
	256	// The Lead -> idtmed[1600]
	257
	258	AliMedium(1, "Lead$", 1, 0,
	259	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
	260
	261	// The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601]
	262	float deemax = 0.1; // maximum fractional energy loss in one step (0 < DEEMAX < deemax )
	263	AliMedium(2, "Scintillator$", 2, 1,
	264	isxfld, sxmgmx, 10.0, 0.001, deemax, 0.001, 0.001, 0, 0) ;
	265
	266	// Various Aluminium parts made of Al -> idtmed[1602]
	267	AliMedium(3, "Al$", 3, 0,
	268	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
	269
	270	// 25-aug-04 by PAI : see PMD/AliPMDv0.cxx for STEEL definition -> idtmed[1603]
	271	AliMedium(4, "S steel$", 4, 0,
	272	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
	273
	274
	275	//set constants for Birk's Law implentation
	276	fBirkC0 = 1;
	277	fBirkC1 = 0.013/dP;
	278	fBirkC2 = 9.6e-6/(dP * dP);
	279
	280	// Call just in case of Geant3; What to do in case of Geant4 ?
	281	// if(gMC->InheritsFrom("TGeant3")) DefineMediumParameters(); // Feb 20, 2007
	282	// Just do the same but in Init() function
	283	// DefineMediumParameters();
	284	}
	285
	286	//____________________________________________________________________________
	287	void AliEMCAL::Init()
	288	{
	289	// Call just in case of Geant3; What to do in case of Geant4 ?
	290	// if(gMC->InheritsFrom("TGeant3")) DefineMediumParameters(); // Feb 20, 2007
	291	// Just do the same
	292	DefineMediumParameters();
	293	}
	294
	295	//____________________________________________________________________________
	296	void AliEMCAL::Digits2Raw() {
	297
	298	static AliEMCALRawUtils rawUtils;
	299	rawUtils.Digits2Raw();
	300
	301	}
	302	//____________________________________________________________________________
	303	void AliEMCAL::Hits2SDigits()
	304	{
	305	// create summable digits
	306
	307	GetGeometry();
	308	AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
	309	emcalDigitizer.SetEventRange(0, -1) ; // do all the events
	310	emcalDigitizer.ExecuteTask() ;
	311	}
	312
	313	//____________________________________________________________________________
	314
	315	AliLoader* AliEMCAL::MakeLoader(const char* topfoldername)
	316	{
	317	//different behaviour than standard (singleton getter)
	318	// --> to be discussed and made eventually coherent
	319	fLoader = new AliEMCALLoader(GetName(),topfoldername);
	320	return fLoader;
	321	}