[u/mrichter/AliRoot.git] / PHOS / AliPHOS.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 1.116  2007/10/10 09:05:10  schutz
 * Changing name QualAss to QA
 *
 * Revision 1.115  2007/08/22 09:20:50  hristov
 * Updated QA classes (Yves)
 *
 * Revision 1.114  2007/08/07 14:12:03  kharlov
 * Quality assurance added (Yves Schutz)
 *
 * Revision 1.113  2007/07/18 16:29:54  policheh
 * Raw Sdigits energy converted to GeV.
 *
 * Revision 1.112  2007/02/25 22:59:13  policheh
 * Digits2Raw(): ALTRO buffer and mapping created per each DDL.
 *
 * Revision 1.111  2007/02/18 15:21:47  kharlov
 * Corrections for memory leak in Digits2Raw due to AliAltroMapping
 *
 * Revision 1.110  2007/02/13 10:52:08  policheh
 * Raw2SDigits() implemented
 *
 * Revision 1.109  2007/02/05 10:43:25  hristov
 * Changes for correct initialization of Geant4 (Mihaela)
 *
 * Revision 1.108  2007/02/01 10:34:47  hristov
 * Removing warnings on Solaris x86
 *
 * Revision 1.107  2007/01/29 16:29:37  kharlov
 * Digits2Raw(): special workaround for digits with time out of range
 *
 * Revision 1.106  2007/01/17 17:28:56  kharlov
 * Extract ALTRO sample generation to a separate class AliPHOSPulseGenerator
 *
 * Revision 1.105  2007/01/12 21:44:29  kharlov
 * Simulate and reconstruct two gains simulaneouslsy
 */

//_________________________________________________________________________
// Base Class for PHOS description:
//   PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged 
//    particles detector (CPV or PPSD).
//   The only provided method here is CreateMaterials, 
//    which defines the materials common to all PHOS versions.   
// 
//*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH) 
//////////////////////////////////////////////////////////////////////////////


// --- ROOT system ---
class TFile;
#include <TF1.h> 
#include <TFolder.h> 
#include <TGeoGlobalMagField.h>
#include <TH1F.h> 
#include <TRandom.h> 
#include <TTree.h>
#include <TVirtualMC.h> 

// --- Standard library ---

// --- AliRoot header files ---
#include "AliMagF.h"
#include "AliPHOS.h"
#include "AliPHOSLoader.h"
#include "AliRun.h"
#include "AliRawReader.h"
#include "AliPHOSDigitizer.h"
#include "AliPHOSSDigitizer.h"
#include "AliPHOSDigit.h"
#include "AliAltroBuffer.h"
#include "AliAltroMapping.h"
#include "AliCaloAltroMapping.h"
#include "AliLog.h"
#include "AliCDBManager.h"
#include "AliCDBEntry.h"
#include "AliCDBStorage.h"
#include "AliPHOSCalibData.h"
#include "AliPHOSPulseGenerator.h"
#include "AliDAQ.h"
#include "AliPHOSRawFitterv0.h"
#include "AliPHOSCalibData.h"
#include "AliPHOSRawDigiProducer.h"
#include "AliPHOSQAChecker.h"
#include "AliPHOSRecoParam.h"
#include "AliPHOSSimParam.h"

ClassImp(AliPHOS)

//____________________________________________________________________________
  AliPHOS:: AliPHOS() : AliDetector(),fgCalibData(0)
{
  // Default ctor
  fName   = "PHOS" ;

}

//____________________________________________________________________________
AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title),
fgCalibData(0)
{
  //   ctor : title is used to identify the layout
}

//____________________________________________________________________________
AliPHOS::~AliPHOS() 
{  
  if(fgCalibData) delete fgCalibData ;
}

//____________________________________________________________________________
AliDigitizer* AliPHOS::CreateDigitizer(AliDigitizationInput* digInput) const
{
  return new AliPHOSDigitizer(digInput);
}

//____________________________________________________________________________
void AliPHOS::CreateMaterials()
{
  // Definitions of materials to build PHOS and associated tracking media.
  // media number in idtmed are 699 to 798.

  // --- The PbWO4 crystals ---
  Float_t aX[3] = {207.19, 183.85, 16.0} ;
  Float_t zX[3] = {82.0, 74.0, 8.0} ;
  Float_t wX[3] = {1.0, 1.0, 4.0} ;
  Float_t dX = 8.28 ;

  AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ;


  // --- 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(1, "Polystyrene$", aP, zP, dP, -2, wP) ;

  // --- Aluminium ---
  AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
  // ---         Absorption length is ignored ^

 // --- Tyvek (CnH2n) ---
  Float_t aT[2] = {12.011, 1.00794} ;
  Float_t zT[2] = {6.0, 1.0} ;
  Float_t wT[2] = {1.0, 2.0} ;
  Float_t dT = 0.331 ;

  AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ;

  // --- Polystyrene foam ---
  Float_t aF[2] = {12.011, 1.00794} ;
  Float_t zF[2] = {6.0, 1.0} ;
  Float_t wF[2] = {1.0, 1.0} ;
  Float_t dF = 0.12 ;

  AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ;

 // --- Titanium ---
  Float_t aTIT[3] = {47.88, 26.98, 54.94} ;
  Float_t zTIT[3] = {22.0, 13.0, 25.0} ;
  Float_t wTIT[3] = {69.0, 6.0, 1.0} ;
  Float_t dTIT = 4.5 ;

  AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT);

 // --- Silicon ---
  AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;


  // --- Foam thermo insulation ---
  Float_t aTI[2] = {12.011, 1.00794} ;
  Float_t zTI[2] = {6.0, 1.0} ;
  Float_t wTI[2] = {1.0, 1.0} ;
  Float_t dTI = 0.04 ;

  AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;

  // --- Textolith ---
  Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ;
  Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ;
  Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ;
  Float_t dTX    = 1.75 ;

  AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ;

  //--- FR4  ---
  Float_t aFR[4] = {16.0, 28.09, 12.011, 1.00794} ;
  Float_t zFR[4] = {8.0, 14.0, 6.0, 1.0} ;
  Float_t wFR[4] = {292.0, 68.0, 462.0, 736.0} ;
  Float_t dFR = 1.8 ; 

  AliMixture(9, "FR4$", aFR, zFR, dFR, -4, wFR) ;

  // --- The Composite Material for  micromegas (so far polyetylene) ---                                       
  Float_t aCM[2] = {12.01, 1.} ; 
  Float_t zCM[2] = {6., 1.} ; 
  Float_t wCM[2] = {1., 2.} ; 
  Float_t dCM = 0.935 ; 

  AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ;

  // --- Copper ---                                                                    
  AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
 
  // --- G10 : Printed Circuit material ---                                                  
  Float_t aG10[4] = { 12., 1., 16., 28.} ;
  Float_t zG10[4] = { 6., 1., 8., 14.} ;
  Float_t wG10[4] = { .259, .288, .248, .205} ;
  Float_t dG10  = 1.7 ; 

  
  AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10);

  // --- Lead ---                                                                     
  AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;

 // --- The gas mixture ---                                                                
 // Co2
  Float_t aCO[2] = {12.0, 16.0} ; 
  Float_t zCO[2] = {6.0, 8.0} ; 
  Float_t wCO[2] = {1.0, 2.0} ; 
  Float_t dCO = 0.001977 ; 

  AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO);

 // Ar
  Float_t dAr = 0.001782 ; 
  AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;   
 
  // Ar+CO2 Mixture (80% / 20%)
  Float_t arContent = 0.80 ;  // Ar-content of the ArCO2-mixture
  Float_t aArCO[3]  = {39.948, 12.0, 16.0} ;
  Float_t zArCO[3]  = {18.0  ,  6.0,  8.0} ;
  Float_t wArCO[3];
  wArCO[0] = arContent;
  wArCO[1] = (1-arContent)*1;
  wArCO[2] = (1-arContent)*2;
  Float_t dArCO = arContent*dAr + (1-arContent)*dCO ;
  AliMixture(16, "ArCO2$", aArCO, zArCO, dArCO,  -3, wArCO) ; 


  // --- Stainless steel (let it be pure iron) ---
  AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ;


  // --- Fiberglass ---
  Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ;
  Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ;
  Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ;
  Float_t dFG    = 1.9 ;

  AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ;

  // --- Cables in Air box  ---
  // SERVICES

  Float_t aCA[4] = { 1.,12.,55.8,63.5 };
  Float_t zCA[4] = { 1.,6.,26.,29. }; 
  Float_t wCA[4] = { .014,.086,.42,.48 };
  Float_t dCA    = 0.8 ;  //this density is raw estimation, if you know better - correct

  AliMixture(19, "Cables  $", aCA, zCA, dCA, -4, wCA) ;


  // --- 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(99, "Air$", aAir, zAir, dAir, 4, wAir) ;

  // DEFINITION OF THE TRACKING MEDIA

  // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
  Int_t   isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ;
  Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ;

  // The scintillator of the calorimeter made of PBW04                              -> idtmed[699]
  AliMedium(0, "PHOS Xtal    $", 0, 1,
	    isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // The scintillator of the CPV made of Polystyrene scintillator                   -> idtmed[700]
  AliMedium(1, "CPV scint.   $", 1, 1,
	    isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // Various Aluminium parts made of Al                                             -> idtmed[701]
  AliMedium(2, "Al parts     $", 2, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;

  // The Tywek which wraps the calorimeter crystals                                 -> idtmed[702]
  AliMedium(3, "Tyvek wrapper$", 3, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;

  // The Polystyrene foam around the calorimeter module                             -> idtmed[703]
  AliMedium(4, "Polyst. foam $", 4, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // The Titanium around the calorimeter crystal                                    -> idtmed[704]
  AliMedium(5, "Titan. cover $", 5, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;

  // The Silicon of the pin diode to read out the calorimeter crystal               -> idtmed[705] 
 AliMedium(6, "Si PIN       $", 6, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;

 // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
  AliMedium(7, "Thermo Insul.$", 7, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // The Textolit which makes up the box which contains the calorimeter module      -> idtmed[707]
  AliMedium(8, "Textolit     $", 8, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // FR4: The Plastic which makes up the frame of micromegas                        -> idtmed[708]
  AliMedium(9, "FR4 $", 9, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; 


  // The Composite Material for  micromegas                                         -> idtmed[709]
  AliMedium(10, "CompoMat   $", 10, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // Copper                                                                         -> idtmed[710]
  AliMedium(11, "Copper     $", 11, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;

  // G10: Printed Circuit material                                                  -> idtmed[711]
 
  AliMedium(12, "G10        $", 12, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;

  // The Lead                                                                       -> idtmed[712]
 
  AliMedium(13, "Lead      $", 13, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // The gas mixture: ArCo2                                                         -> idtmed[715]
 
  AliMedium(16, "ArCo2      $", 16, 1,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
 
  // Stainless steel                                                                -> idtmed[716]
  AliMedium(17, "Steel     $", 17, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;

  // Fibergalss                                                                     -> idtmed[717]
  AliMedium(18, "Fiberglass$", 18, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // Cables in air                                                                  -> idtmed[718]
  AliMedium(19, "Cables    $", 19, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // Air                                                                            -> idtmed[798] 
  AliMedium(99, "Air          $", 99, 0,
	     isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
}

//_____________________________________________________________________________
void AliPHOS::Init()
{
}

//____________________________________________________________________________
void AliPHOS::Digits2Raw()
{
// convert digits of the current event to raw data
  
  if(AliPHOSSimParam::GetInstance()->IsEDigitizationOn()){
    AliError("Energy digitization should be OFF if use Digits2Raw") ;
  }

  AliPHOSLoader * loader = static_cast<AliPHOSLoader*>(fLoader) ; 

  // get the digits
  loader->LoadDigits();
  TClonesArray* digits = loader->Digits() ;

  if (!digits) {
    AliError(Form("No digits found !"));
    return;
  }

  // get the geometry
  AliPHOSGeometry* geom = GetGeometry();
  if (!geom) {
    AliError(Form("No geometry found !"));
    return;
  }

  // get mapping from OCDB
  const TObjArray* maps = AliPHOSRecoParam::GetMappings();
  if(!maps) AliFatal("Cannot retrieve ALTRO mappings!!");

  // some digitization constants
  const Float_t    kThreshold = 1.; // skip digits below 1 ADC channel
  const Int_t      kAdcThreshold = 1;  // Lower ADC threshold to write to raw data

  Int_t prevDDL = -1;

  if(fgCalibData==0)
    fgCalibData= new AliPHOSCalibData(-1) ;

  // Create a shaper pulse object
  AliPHOSPulseGenerator *pulse = new AliPHOSPulseGenerator();

  //Set Time step of sample
  pulse->SetTimeStep(TMath::Abs(fgCalibData->GetSampleTimeStep())) ;
  
  Int_t *adcValuesLow = new Int_t[pulse->GetRawFormatTimeBins()];
  Int_t *adcValuesHigh= new Int_t[pulse->GetRawFormatTimeBins()];
  
  const Int_t maxDDL = 20;
  AliAltroBuffer  *buffer[maxDDL];
  AliAltroMapping *mapping[maxDDL];

  for(Int_t jDDL=0; jDDL<maxDDL; jDDL++) {
    buffer[jDDL]=0;
    mapping[jDDL]=0;
  }

  //!!!!for debug!!!
  Int_t modMax=-111;
  Int_t colMax=-111;
  Int_t rowMax=-111;
  Float_t eMax=-333;
  //!!!for debug!!!

  // loop over digits (assume ordered digits)
  for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) {
    AliPHOSDigit* digit = static_cast<AliPHOSDigit *>(digits->At(iDigit)) ;

    // Skip small energy below treshold
    if (digit->GetEnergy() < kThreshold) 
      continue;

    Int_t relId[4];
    geom->AbsToRelNumbering(digit->GetId(), relId);
    Int_t module = 5-relId[0];
 
    // Begin FIXME 
    if (relId[1] != 0) 
      continue;    // ignore digits from CPV
    // End FIXME 

    Int_t row = relId[2]-1;
    Int_t col = relId[3]-1;
    
    Int_t iRCU = -111;
    
    //RCU0
    if(0<=row&&row<16 && 0<=col&&col<56) iRCU=0;
    
    //RCU1
    if(16<=row&&row<32 && 0<=col&&col<56) iRCU=1;

    //RCU2
    if(32<=row&&row<48 && 0<=col&&col<56) iRCU=2;

    //RCU3
    if(48<=row&&row<64 && 0<=col&&col<56) iRCU=3;
    
    
    // PHOS EMCA has 4 DDL per module. Splitting is based on the (row,column) numbers.
    // here module already in PHOS online convention: 0<module<4 and inverse order.
    Int_t iDDL = 4 * module  + iRCU;

    // new DDL
    if (iDDL != prevDDL) {
      if (buffer[iDDL] == 0) {
	// open new file and write dummy header
	TString fileName = AliDAQ::DdlFileName("PHOS",iDDL);

	mapping[iDDL] = (AliAltroMapping*)maps->At(iDDL);
	buffer[iDDL]  = new AliAltroBuffer(fileName.Data(),mapping[iDDL]);
	buffer[iDDL]->WriteDataHeader(kTRUE, kFALSE);  //Dummy;
      }
      prevDDL = iDDL;
    }

    AliDebug(2,Form("digit E=%.4f GeV, t=%g s, (mod,col,row)=(%d,%d,%d)\n",
		    digit->GetEnergy(),digit->GetTimeR(),
		    relId[0]-1,relId[3]-1,relId[2]-1));
    // if a signal is out of time range, write only trailer
    if (digit->GetTimeR() > pulse->GetRawFormatTimeMax()*0.5 ) {
      AliDebug(2,"Signal is out of time range.\n");
      buffer[iDDL]->FillBuffer(0);
      buffer[iDDL]->FillBuffer(pulse->GetRawFormatTimeBins() );  // time bin
      buffer[iDDL]->FillBuffer(3);                               // bunch length
      buffer[iDDL]->WriteTrailer(3, relId[3]-1, relId[2]-1, 0);  // trailer
      
    // calculate the time response function
    } else {
      Double_t energy = 0 ;
      if (digit->GetId() <= geom->GetNModules() * geom->GetNCristalsInModule()) {
	energy=digit->GetEnergy();
	if(energy>eMax) {eMax=energy; modMax=relId[0]; colMax=col; rowMax=row;}
      }
      else {
 	energy = 0; // CPV raw data format is now know yet
      }
      pulse->SetAmplitude(energy);
      pulse->SetTZero(digit->GetTimeR());
      Double_t r =fgCalibData->GetHighLowRatioEmc(relId[0],relId[3],relId[2]) ;
      pulse->SetHG2LGRatio(r) ;
      pulse->MakeSamples();
      pulse->GetSamples(adcValuesHigh, adcValuesLow) ; 

      buffer[iDDL]->WriteChannel(relId[3]-1, relId[2]-1, 0, 
			   pulse->GetRawFormatTimeBins(), adcValuesLow , kAdcThreshold);
      buffer[iDDL]->WriteChannel(relId[3]-1, relId[2]-1, 1, 
			   pulse->GetRawFormatTimeBins(), adcValuesHigh, kAdcThreshold);
    }
  }
  delete [] adcValuesLow;
  delete [] adcValuesHigh;

  // write real header and close last file
  for (Int_t iDDL=0; iDDL<maxDDL; iDDL++) {
    if (buffer[iDDL]) {
      buffer[iDDL]->Flush();
      buffer[iDDL]->WriteDataHeader(kFALSE, kFALSE);
      delete buffer[iDDL];
      //if (mapping[iDDL]) delete mapping[iDDL];
    }
  }
  
  AliDebug(1,Form("Digit with max. energy:  modMax %d colMax %d rowMax %d  eMax %f\n",
	 modMax,colMax,rowMax,eMax));

  delete pulse;
  loader->UnloadDigits();
}

//____________________________________________________________________________
void AliPHOS::Hits2SDigits()  
{ 
// create summable digits

  AliPHOSSDigitizer phosDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
  phosDigitizer.SetEventRange(0, -1) ; // do all the events
 
  phosDigitizer.Digitize("all") ; 
}


//____________________________________________________________________________
AliLoader* AliPHOS::MakeLoader(const char* topfoldername)
{
//different behaviour than standard (singleton getter)
// --> to be discussed and made eventually coherent
 fLoader = new AliPHOSLoader(GetName(),topfoldername);
 return fLoader;
}

//____________________________________________________________________________
void AliPHOS::SetTreeAddress()
{ 
  // Links Hits in the Tree to Hits array
  TBranch *branch;
  char branchname[20];
  snprintf(branchname,20,"%s",GetName());
  // Branch address for hit tree
    TTree *treeH = fLoader->TreeH();
  if (treeH) {
    branch = treeH->GetBranch(branchname);
    if (branch) 
     { 
       if (fHits == 0x0) fHits= new TClonesArray("AliPHOSHit",1000);
       //AliInfo(Form("<%s> Setting Hits Address",GetName()));
       branch->SetAddress(&fHits);
     }
  }
}

//____________________________________________________________________________ 	 
Bool_t AliPHOS::Raw2SDigits(AliRawReader* rawReader) 	 
{ 	 
	  	 
  AliPHOSLoader * loader = static_cast<AliPHOSLoader*>(fLoader) ; 	 
	  	 
  TTree * tree = 0 ; 	 
  tree = loader->TreeS() ; 	 
  if ( !tree ) { 	 
    loader->MakeTree("S"); 	 
    tree = loader->TreeS() ; 	 
  } 	 
	  	 
  TClonesArray * sdigits = loader->SDigits() ; 	 
  if(!sdigits) { 	 
    loader->MakeSDigitsArray(); 	 
    sdigits = loader->SDigits(); 	 
  } 	 
  sdigits->Clear(); 	 
	  	 
  rawReader->Reset() ;

  const TObjArray* maps = AliPHOSRecoParam::GetMappings();
  if(!maps) AliFatal("Cannot retrieve ALTRO mappings!!");

  AliAltroMapping *mapping[20];
  for(Int_t i = 0; i < 20; i++) {
    mapping[i] = (AliAltroMapping*)maps->At(i);
  }

  AliPHOSRawFitterv0 fitter;

  fitter.SubtractPedestals(AliPHOSSimParam::GetInstance()->EMCSubtractPedestals());
  fitter.SetAmpOffset(AliPHOSSimParam::GetInstance()->GetGlobalAltroOffset());
  fitter.SetAmpThreshold(AliPHOSSimParam::GetInstance()->GetGlobalAltroThreshold());

  AliPHOSRawDigiProducer pr(rawReader,mapping);
  pr.SetSampleQualityCut(AliPHOSSimParam::GetInstance()->GetEMCSampleQualityCut()); 	 
  pr.MakeDigits(sdigits,&fitter);
	  	 
  Int_t bufferSize = 32000 ; 	 
  // TBranch * sdigitsBranch = tree->Branch("PHOS",&sdigits,bufferSize); 	 
  tree->Branch("PHOS",&sdigits,bufferSize); 	 
  tree->Fill(); 	 
	  	 
  fLoader->WriteSDigits("OVERWRITE"); 	 
  return kTRUE; 	 
  
}
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	/* $Id$ */
	16	/* History of cvs commits:
	17	*
	18	* $Log$
	19	* Revision 1.116 2007/10/10 09:05:10 schutz
	20	* Changing name QualAss to QA
	21	*
	22	* Revision 1.115 2007/08/22 09:20:50 hristov
	23	* Updated QA classes (Yves)
	24	*
	25	* Revision 1.114 2007/08/07 14:12:03 kharlov
	26	* Quality assurance added (Yves Schutz)
	27	*
	28	* Revision 1.113 2007/07/18 16:29:54 policheh
	29	* Raw Sdigits energy converted to GeV.
	30	*
	31	* Revision 1.112 2007/02/25 22:59:13 policheh
	32	* Digits2Raw(): ALTRO buffer and mapping created per each DDL.
	33	*
	34	* Revision 1.111 2007/02/18 15:21:47 kharlov
	35	* Corrections for memory leak in Digits2Raw due to AliAltroMapping
	36	*
	37	* Revision 1.110 2007/02/13 10:52:08 policheh
	38	* Raw2SDigits() implemented
	39	*
	40	* Revision 1.109 2007/02/05 10:43:25 hristov
	41	* Changes for correct initialization of Geant4 (Mihaela)
	42	*
	43	* Revision 1.108 2007/02/01 10:34:47 hristov
	44	* Removing warnings on Solaris x86
	45	*
	46	* Revision 1.107 2007/01/29 16:29:37 kharlov
	47	* Digits2Raw(): special workaround for digits with time out of range
	48	*
	49	* Revision 1.106 2007/01/17 17:28:56 kharlov
	50	* Extract ALTRO sample generation to a separate class AliPHOSPulseGenerator
	51	*
	52	* Revision 1.105 2007/01/12 21:44:29 kharlov
	53	* Simulate and reconstruct two gains simulaneouslsy
	54	*/
	55
	56	//_________________________________________________________________________
	57	// Base Class for PHOS description:
	58	// PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged
	59	// particles detector (CPV or PPSD).
	60	// The only provided method here is CreateMaterials,
	61	// which defines the materials common to all PHOS versions.
	62	//
	63	//*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH)
	64	//////////////////////////////////////////////////////////////////////////////
	65
	66
	67	// --- ROOT system ---
	68	class TFile;
	69	#include <TF1.h>
	70	#include <TFolder.h>
	71	#include <TGeoGlobalMagField.h>
	72	#include <TH1F.h>
	73	#include <TRandom.h>
	74	#include <TTree.h>
	75	#include <TVirtualMC.h>
	76
	77	// --- Standard library ---
	78
	79	// --- AliRoot header files ---
	80	#include "AliMagF.h"
	81	#include "AliPHOS.h"
	82	#include "AliPHOSLoader.h"
	83	#include "AliRun.h"
	84	#include "AliRawReader.h"
	85	#include "AliPHOSDigitizer.h"
	86	#include "AliPHOSSDigitizer.h"
	87	#include "AliPHOSDigit.h"
	88	#include "AliAltroBuffer.h"
	89	#include "AliAltroMapping.h"
	90	#include "AliCaloAltroMapping.h"
	91	#include "AliLog.h"
	92	#include "AliCDBManager.h"
	93	#include "AliCDBEntry.h"
	94	#include "AliCDBStorage.h"
	95	#include "AliPHOSCalibData.h"
	96	#include "AliPHOSPulseGenerator.h"
	97	#include "AliDAQ.h"
	98	#include "AliPHOSRawFitterv0.h"
	99	#include "AliPHOSCalibData.h"
	100	#include "AliPHOSRawDigiProducer.h"
	101	#include "AliPHOSQAChecker.h"
	102	#include "AliPHOSRecoParam.h"
	103	#include "AliPHOSSimParam.h"
	104
	105	ClassImp(AliPHOS)
	106
	107	//____________________________________________________________________________
	108	AliPHOS:: AliPHOS() : AliDetector(),fgCalibData(0)
	109	{
	110	// Default ctor
	111	fName = "PHOS" ;
	112
	113	}
	114
	115	//____________________________________________________________________________
	116	AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title),
	117	fgCalibData(0)
	118	{
	119	// ctor : title is used to identify the layout
	120	}
	121
	122	//____________________________________________________________________________
	123	AliPHOS::~AliPHOS()
	124	{
	125	if(fgCalibData) delete fgCalibData ;
	126	}
	127
	128	//____________________________________________________________________________
	129	AliDigitizer* AliPHOS::CreateDigitizer(AliDigitizationInput* digInput) const
	130	{
	131	return new AliPHOSDigitizer(digInput);
	132	}
	133
	134	//____________________________________________________________________________
	135	void AliPHOS::CreateMaterials()
	136	{
	137	// Definitions of materials to build PHOS and associated tracking media.
	138	// media number in idtmed are 699 to 798.
	139
	140	// --- The PbWO4 crystals ---
	141	Float_t aX[3] = {207.19, 183.85, 16.0} ;
	142	Float_t zX[3] = {82.0, 74.0, 8.0} ;
	143	Float_t wX[3] = {1.0, 1.0, 4.0} ;
	144	Float_t dX = 8.28 ;
	145
	146	AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ;
	147
	148
	149	// --- The polysterene scintillator (CH) ---
	150	Float_t aP[2] = {12.011, 1.00794} ;
	151	Float_t zP[2] = {6.0, 1.0} ;
	152	Float_t wP[2] = {1.0, 1.0} ;
	153	Float_t dP = 1.032 ;
	154
	155	AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ;
	156
	157	// --- Aluminium ---
	158	AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
	159	// --- Absorption length is ignored ^
	160
	161	// --- Tyvek (CnH2n) ---
	162	Float_t aT[2] = {12.011, 1.00794} ;
	163	Float_t zT[2] = {6.0, 1.0} ;
	164	Float_t wT[2] = {1.0, 2.0} ;
	165	Float_t dT = 0.331 ;
	166
	167	AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ;
	168
	169	// --- Polystyrene foam ---
	170	Float_t aF[2] = {12.011, 1.00794} ;
	171	Float_t zF[2] = {6.0, 1.0} ;
	172	Float_t wF[2] = {1.0, 1.0} ;
	173	Float_t dF = 0.12 ;
	174
	175	AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ;
	176
	177	// --- Titanium ---
	178	Float_t aTIT[3] = {47.88, 26.98, 54.94} ;
	179	Float_t zTIT[3] = {22.0, 13.0, 25.0} ;
	180	Float_t wTIT[3] = {69.0, 6.0, 1.0} ;
	181	Float_t dTIT = 4.5 ;
	182
	183	AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT);
	184
	185	// --- Silicon ---
	186	AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;
	187
	188
	189
	190	// --- Foam thermo insulation ---
	191	Float_t aTI[2] = {12.011, 1.00794} ;
	192	Float_t zTI[2] = {6.0, 1.0} ;
	193	Float_t wTI[2] = {1.0, 1.0} ;
	194	Float_t dTI = 0.04 ;
	195
	196	AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;
	197
	198	// --- Textolith ---
	199	Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ;
	200	Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ;
	201	Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ;
	202	Float_t dTX = 1.75 ;
	203
	204	AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ;
	205
	206	//--- FR4 ---
	207	Float_t aFR[4] = {16.0, 28.09, 12.011, 1.00794} ;
	208	Float_t zFR[4] = {8.0, 14.0, 6.0, 1.0} ;
	209	Float_t wFR[4] = {292.0, 68.0, 462.0, 736.0} ;
	210	Float_t dFR = 1.8 ;
	211
	212	AliMixture(9, "FR4$", aFR, zFR, dFR, -4, wFR) ;
	213
	214	// --- The Composite Material for micromegas (so far polyetylene) ---
	215	Float_t aCM[2] = {12.01, 1.} ;
	216	Float_t zCM[2] = {6., 1.} ;
	217	Float_t wCM[2] = {1., 2.} ;
	218	Float_t dCM = 0.935 ;
	219
	220	AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ;
	221
	222	// --- Copper ---
	223	AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
	224
	225	// --- G10 : Printed Circuit material ---
	226	Float_t aG10[4] = { 12., 1., 16., 28.} ;
	227	Float_t zG10[4] = { 6., 1., 8., 14.} ;
	228	Float_t wG10[4] = { .259, .288, .248, .205} ;
	229	Float_t dG10 = 1.7 ;
	230
	231
	232	AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10);
	233
	234	// --- Lead ---
	235	AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
	236
	237	// --- The gas mixture ---
	238	// Co2
	239	Float_t aCO[2] = {12.0, 16.0} ;
	240	Float_t zCO[2] = {6.0, 8.0} ;
	241	Float_t wCO[2] = {1.0, 2.0} ;
	242	Float_t dCO = 0.001977 ;
	243
	244	AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO);
	245
	246	// Ar
	247	Float_t dAr = 0.001782 ;
	248	AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;
	249
	250	// Ar+CO2 Mixture (80% / 20%)
	251	Float_t arContent = 0.80 ; // Ar-content of the ArCO2-mixture
	252	Float_t aArCO[3] = {39.948, 12.0, 16.0} ;
	253	Float_t zArCO[3] = {18.0 , 6.0, 8.0} ;
	254	Float_t wArCO[3];
	255	wArCO[0] = arContent;
	256	wArCO[1] = (1-arContent)*1;
	257	wArCO[2] = (1-arContent)*2;
	258	Float_t dArCO = arContentdAr + (1-arContent)dCO ;
	259	AliMixture(16, "ArCO2$", aArCO, zArCO, dArCO, -3, wArCO) ;
	260
	261
	262	// --- Stainless steel (let it be pure iron) ---
	263	AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ;
	264
	265
	266	// --- Fiberglass ---
	267	Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ;
	268	Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ;
	269	Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ;
	270	Float_t dFG = 1.9 ;
	271
	272	AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ;
	273
	274	// --- Cables in Air box ---
	275	// SERVICES
	276
	277	Float_t aCA[4] = { 1.,12.,55.8,63.5 };
	278	Float_t zCA[4] = { 1.,6.,26.,29. };
	279	Float_t wCA[4] = { .014,.086,.42,.48 };
	280	Float_t dCA = 0.8 ; //this density is raw estimation, if you know better - correct
	281
	282	AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ;
	283
	284
	285	// --- Air ---
	286	Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
	287	Float_t zAir[4]={6.,7.,8.,18.};
	288	Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
	289	Float_t dAir = 1.20479E-3;
	290
	291	AliMixture(99, "Air$", aAir, zAir, dAir, 4, wAir) ;
	292
	293	// DEFINITION OF THE TRACKING MEDIA
	294
	295	// for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
	296	Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ;
	297	Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ;
	298
	299	// The scintillator of the calorimeter made of PBW04 -> idtmed[699]
	300	AliMedium(0, "PHOS Xtal $", 0, 1,
	301	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
	302
	303	// The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700]
	304	AliMedium(1, "CPV scint. $", 1, 1,
	305	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
	306
	307	// Various Aluminium parts made of Al -> idtmed[701]
	308	AliMedium(2, "Al parts $", 2, 0,
	309	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
	310
	311	// The Tywek which wraps the calorimeter crystals -> idtmed[702]
	312	AliMedium(3, "Tyvek wrapper$", 3, 0,
	313	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
	314
	315	// The Polystyrene foam around the calorimeter module -> idtmed[703]
	316	AliMedium(4, "Polyst. foam $", 4, 0,
	317	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
	318
	319	// The Titanium around the calorimeter crystal -> idtmed[704]
	320	AliMedium(5, "Titan. cover $", 5, 0,
	321	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
	322
	323	// The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705]
	324	AliMedium(6, "Si PIN $", 6, 0,
	325	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
	326
	327	// The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
	328	AliMedium(7, "Thermo Insul.$", 7, 0,
	329	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
	330
	331	// The Textolit which makes up the box which contains the calorimeter module -> idtmed[707]
	332	AliMedium(8, "Textolit $", 8, 0,
	333	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
	334
	335	// FR4: The Plastic which makes up the frame of micromegas -> idtmed[708]
	336	AliMedium(9, "FR4 $", 9, 0,
	337	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
	338
	339
	340	// The Composite Material for micromegas -> idtmed[709]
	341	AliMedium(10, "CompoMat $", 10, 0,
	342	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
	343
	344	// Copper -> idtmed[710]
	345	AliMedium(11, "Copper $", 11, 0,
	346	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
	347
	348	// G10: Printed Circuit material -> idtmed[711]
	349
	350	AliMedium(12, "G10 $", 12, 0,
	351	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
	352
	353	// The Lead -> idtmed[712]
	354
	355	AliMedium(13, "Lead $", 13, 0,
	356	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
	357
	358	// The gas mixture: ArCo2 -> idtmed[715]
	359
	360	AliMedium(16, "ArCo2 $", 16, 1,
	361	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
	362
	363	// Stainless steel -> idtmed[716]
	364	AliMedium(17, "Steel $", 17, 0,
	365	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
	366
	367	// Fibergalss -> idtmed[717]
	368	AliMedium(18, "Fiberglass$", 18, 0,
	369	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
	370
	371	// Cables in air -> idtmed[718]
	372	AliMedium(19, "Cables $", 19, 0,
	373	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
	374
	375	// Air -> idtmed[798]
	376	AliMedium(99, "Air $", 99, 0,
	377	isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
	378	}
	379
	380	//_____________________________________________________________________________
	381	void AliPHOS::Init()
	382	{
	383	}
	384
	385	//____________________________________________________________________________
	386	void AliPHOS::Digits2Raw()
	387	{
	388	// convert digits of the current event to raw data
	389
	390	if(AliPHOSSimParam::GetInstance()->IsEDigitizationOn()){
	391	AliError("Energy digitization should be OFF if use Digits2Raw") ;
	392	}
	393
	394	AliPHOSLoader * loader = static_cast<AliPHOSLoader*>(fLoader) ;
	395
	396	// get the digits
	397	loader->LoadDigits();
	398	TClonesArray* digits = loader->Digits() ;
	399
	400	if (!digits) {
	401	AliError(Form("No digits found !"));
	402	return;
	403	}
	404
	405	// get the geometry
	406	AliPHOSGeometry* geom = GetGeometry();
	407	if (!geom) {
	408	AliError(Form("No geometry found !"));
	409	return;
	410	}
	411
	412	// get mapping from OCDB
	413	const TObjArray* maps = AliPHOSRecoParam::GetMappings();
	414	if(!maps) AliFatal("Cannot retrieve ALTRO mappings!!");
	415
	416	// some digitization constants
	417	const Float_t kThreshold = 1.; // skip digits below 1 ADC channel
	418	const Int_t kAdcThreshold = 1; // Lower ADC threshold to write to raw data
	419
	420	Int_t prevDDL = -1;
	421
	422	if(fgCalibData==0)
	423	fgCalibData= new AliPHOSCalibData(-1) ;
	424
	425	// Create a shaper pulse object
	426	AliPHOSPulseGenerator *pulse = new AliPHOSPulseGenerator();
	427
	428	//Set Time step of sample
	429	pulse->SetTimeStep(TMath::Abs(fgCalibData->GetSampleTimeStep())) ;
	430
	431	Int_t *adcValuesLow = new Int_t[pulse->GetRawFormatTimeBins()];
	432	Int_t *adcValuesHigh= new Int_t[pulse->GetRawFormatTimeBins()];
	433
	434	const Int_t maxDDL = 20;
	435	AliAltroBuffer *buffer[maxDDL];
	436	AliAltroMapping *mapping[maxDDL];
	437
	438	for(Int_t jDDL=0; jDDL<maxDDL; jDDL++) {
	439	buffer[jDDL]=0;
	440	mapping[jDDL]=0;
	441	}
	442
	443	//!!!!for debug!!!
	444	Int_t modMax=-111;
	445	Int_t colMax=-111;
	446	Int_t rowMax=-111;
	447	Float_t eMax=-333;
	448	//!!!for debug!!!
	449
	450	// loop over digits (assume ordered digits)
	451	for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) {
	452	AliPHOSDigit* digit = static_cast<AliPHOSDigit *>(digits->At(iDigit)) ;
	453
	454	// Skip small energy below treshold
	455	if (digit->GetEnergy() < kThreshold)
	456	continue;
	457
	458	Int_t relId[4];
	459	geom->AbsToRelNumbering(digit->GetId(), relId);
	460	Int_t module = 5-relId[0];
	461
	462	// Begin FIXME
	463	if (relId[1] != 0)
	464	continue; // ignore digits from CPV
	465	// End FIXME
	466
	467	Int_t row = relId[2]-1;
	468	Int_t col = relId[3]-1;
	469
	470	Int_t iRCU = -111;
	471
	472	//RCU0
	473	if(0<=row&&row<16 && 0<=col&&col<56) iRCU=0;
	474
	475	//RCU1
	476	if(16<=row&&row<32 && 0<=col&&col<56) iRCU=1;
	477
	478	//RCU2
	479	if(32<=row&&row<48 && 0<=col&&col<56) iRCU=2;
	480
	481	//RCU3
	482	if(48<=row&&row<64 && 0<=col&&col<56) iRCU=3;
	483
	484
	485	// PHOS EMCA has 4 DDL per module. Splitting is based on the (row,column) numbers.
	486	// here module already in PHOS online convention: 0<module<4 and inverse order.
	487	Int_t iDDL = 4 * module + iRCU;
	488
	489	// new DDL
	490	if (iDDL != prevDDL) {
	491	if (buffer[iDDL] == 0) {
	492	// open new file and write dummy header
	493	TString fileName = AliDAQ::DdlFileName("PHOS",iDDL);
	494
	495	mapping[iDDL] = (AliAltroMapping*)maps->At(iDDL);
	496	buffer[iDDL] = new AliAltroBuffer(fileName.Data(),mapping[iDDL]);
	497	buffer[iDDL]->WriteDataHeader(kTRUE, kFALSE); //Dummy;
	498	}
	499	prevDDL = iDDL;
	500	}
	501
	502	AliDebug(2,Form("digit E=%.4f GeV, t=%g s, (mod,col,row)=(%d,%d,%d)\n",
	503	digit->GetEnergy(),digit->GetTimeR(),
	504	relId[0]-1,relId[3]-1,relId[2]-1));
	505	// if a signal is out of time range, write only trailer
	506	if (digit->GetTimeR() > pulse->GetRawFormatTimeMax()*0.5 ) {
	507	AliDebug(2,"Signal is out of time range.\n");
	508	buffer[iDDL]->FillBuffer(0);
	509	buffer[iDDL]->FillBuffer(pulse->GetRawFormatTimeBins() ); // time bin
	510	buffer[iDDL]->FillBuffer(3); // bunch length
	511	buffer[iDDL]->WriteTrailer(3, relId[3]-1, relId[2]-1, 0); // trailer
	512
	513	// calculate the time response function
	514	} else {
	515	Double_t energy = 0 ;
	516	if (digit->GetId() <= geom->GetNModules() * geom->GetNCristalsInModule()) {
	517	energy=digit->GetEnergy();
	518	if(energy>eMax) {eMax=energy; modMax=relId[0]; colMax=col; rowMax=row;}
	519	}
	520	else {
	521	energy = 0; // CPV raw data format is now know yet
	522	}
	523	pulse->SetAmplitude(energy);
	524	pulse->SetTZero(digit->GetTimeR());
	525	Double_t r =fgCalibData->GetHighLowRatioEmc(relId[0],relId[3],relId[2]) ;
	526	pulse->SetHG2LGRatio(r) ;
	527	pulse->MakeSamples();
	528	pulse->GetSamples(adcValuesHigh, adcValuesLow) ;
	529
	530	buffer[iDDL]->WriteChannel(relId[3]-1, relId[2]-1, 0,
	531	pulse->GetRawFormatTimeBins(), adcValuesLow , kAdcThreshold);
	532	buffer[iDDL]->WriteChannel(relId[3]-1, relId[2]-1, 1,
	533	pulse->GetRawFormatTimeBins(), adcValuesHigh, kAdcThreshold);
	534	}
	535	}
	536	delete [] adcValuesLow;
	537	delete [] adcValuesHigh;
	538
	539	// write real header and close last file
	540	for (Int_t iDDL=0; iDDL<maxDDL; iDDL++) {
	541	if (buffer[iDDL]) {
	542	buffer[iDDL]->Flush();
	543	buffer[iDDL]->WriteDataHeader(kFALSE, kFALSE);
	544	delete buffer[iDDL];
	545	//if (mapping[iDDL]) delete mapping[iDDL];
	546	}
	547	}
	548
	549	AliDebug(1,Form("Digit with max. energy: modMax %d colMax %d rowMax %d eMax %f\n",
	550	modMax,colMax,rowMax,eMax));
	551
	552	delete pulse;
	553	loader->UnloadDigits();
	554	}
	555
	556	//____________________________________________________________________________
	557	void AliPHOS::Hits2SDigits()
	558	{
	559	// create summable digits
	560
	561	AliPHOSSDigitizer phosDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
	562	phosDigitizer.SetEventRange(0, -1) ; // do all the events
	563
	564	phosDigitizer.Digitize("all") ;
	565	}
	566
	567
	568	//____________________________________________________________________________
	569	AliLoader* AliPHOS::MakeLoader(const char* topfoldername)
	570	{
	571	//different behaviour than standard (singleton getter)
	572	// --> to be discussed and made eventually coherent
	573	fLoader = new AliPHOSLoader(GetName(),topfoldername);
	574	return fLoader;
	575	}
	576
	577	//____________________________________________________________________________
	578	void AliPHOS::SetTreeAddress()
	579	{
	580	// Links Hits in the Tree to Hits array
	581	TBranch *branch;
	582	char branchname[20];
	583	snprintf(branchname,20,"%s",GetName());
	584	// Branch address for hit tree
	585	TTree *treeH = fLoader->TreeH();
	586	if (treeH) {
	587	branch = treeH->GetBranch(branchname);
	588	if (branch)
	589	{
	590	if (fHits == 0x0) fHits= new TClonesArray("AliPHOSHit",1000);
	591	//AliInfo(Form("<%s> Setting Hits Address",GetName()));
	592	branch->SetAddress(&fHits);
	593	}
	594	}
	595	}
	596
	597	//____________________________________________________________________________
	598	Bool_t AliPHOS::Raw2SDigits(AliRawReader* rawReader)
	599	{
	600
	601	AliPHOSLoader * loader = static_cast<AliPHOSLoader*>(fLoader) ;
	602
	603	TTree * tree = 0 ;
	604	tree = loader->TreeS() ;
	605	if ( !tree ) {
	606	loader->MakeTree("S");
	607	tree = loader->TreeS() ;
	608	}
	609
	610	TClonesArray * sdigits = loader->SDigits() ;
	611	if(!sdigits) {
	612	loader->MakeSDigitsArray();
	613	sdigits = loader->SDigits();
	614	}
	615	sdigits->Clear();
	616
	617	rawReader->Reset() ;
	618
	619	const TObjArray* maps = AliPHOSRecoParam::GetMappings();
	620	if(!maps) AliFatal("Cannot retrieve ALTRO mappings!!");
	621
	622	AliAltroMapping *mapping[20];
	623	for(Int_t i = 0; i < 20; i++) {
	624	mapping[i] = (AliAltroMapping*)maps->At(i);
	625	}
	626
	627	AliPHOSRawFitterv0 fitter;
	628
	629	fitter.SubtractPedestals(AliPHOSSimParam::GetInstance()->EMCSubtractPedestals());
	630	fitter.SetAmpOffset(AliPHOSSimParam::GetInstance()->GetGlobalAltroOffset());
	631	fitter.SetAmpThreshold(AliPHOSSimParam::GetInstance()->GetGlobalAltroThreshold());
	632
	633	AliPHOSRawDigiProducer pr(rawReader,mapping);
	634	pr.SetSampleQualityCut(AliPHOSSimParam::GetInstance()->GetEMCSampleQualityCut());
	635	pr.MakeDigits(sdigits,&fitter);
	636
	637	Int_t bufferSize = 32000 ;
	638	// TBranch * sdigitsBranch = tree->Branch("PHOS",&sdigits,bufferSize);
	639	tree->Branch("PHOS",&sdigits,bufferSize);
	640	tree->Fill();
	641
	642	fLoader->WriteSDigits("OVERWRITE");
	643	return kTRUE;
	644
	645	}