[u/mrichter/AliRoot.git] / EMCAL / AliEMCALTrigger.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.                  *
 **************************************************************************/
/* $Id$ */
/* $Log $ */

//_________________________________________________________________________  
//
//  Class for trigger analysis.
//  Digits are grouped in TRU's (384 cells? ordered fNTRUPhi x fNTRUEta). 
//  The algorithm searches all possible 4x4 cell combinations per each TRU, 
//  adding the digits amplitude and finding the maximum. Maximums are compared 
//  to triggers threshold and they are set. Thresholds need to be fixed. 
//  Last 2 modules are half size in Phi, I considered that the number of TRU
//  is maintained for the last modules but decision not taken. If different, 
//  then this must be changed. 
//  Usage:
//
//  //Inside the event loop
//  AliEMCALTrigger *tr = new AliEMCALTrigger();//Init Trigger
//  tr->SetL0Threshold(100);
//  tr->SetL1JetLowPtThreshold(1000);
//  tr->SetL1JetMediumPtThreshold(10000);
//  tr->SetL1JetHighPtThreshold(20000);
//  tr->Trigger(); //Execute Trigger
//  tr->Print(""); //Print results
//
//*-- Author: Gustavo Conesa & Yves Schutz (IFIC, CERN) 
//////////////////////////////////////////////////////////////////////////////


// --- ROOT system ---
//#include "TMatrixD.h"

// --- ALIROOT system ---

#include "AliRun.h" 
#include "AliRunLoader.h" 
#include "AliTriggerInput.h"
#include "AliEMCAL.h" 
#include "AliEMCALLoader.h" 
#include "AliEMCALDigit.h"
#include "AliEMCALTrigger.h" 
#include "AliEMCALGeometry.h"

ClassImp(AliEMCALTrigger)

//______________________________________________________________________
AliEMCALTrigger::AliEMCALTrigger()
  : AliTriggerDetector(),
    f2x2MaxAmp(-1), f2x2CellPhi(-1),  f2x2CellEta(-1),
    f4x4MaxAmp(-1), f4x4CellPhi(-1),  f4x4CellEta(-1), 
    fL0Threshold(100),fL1JetLowPtThreshold(200), 
    fL1JetMediumPtThreshold(500), fL1JetHighPtThreshold(1000), 
    fSimulation(kTRUE)

{
  //ctor 

  fADCValuesHigh4x4 = 0x0; //new Int_t[fTimeBins];
  fADCValuesLow4x4  = 0x0; //new Int_t[fTimeBins];
  fADCValuesHigh2x2 = 0x0; //new Int_t[fTimeBins];
  fADCValuesLow2x2  = 0x0; //new Int_t[fTimeBins];

  fDigitsList = 0x0 ;


  SetName("EMCAL");
  CreateInputs();
   
   //Print("") ; 
}


//____________________________________________________________________________
AliEMCALTrigger::AliEMCALTrigger(const AliEMCALTrigger & trig) 
  : AliTriggerDetector(trig) 
{

  // cpy ctor

  f2x2MaxAmp               = trig.f2x2MaxAmp ;
  f4x4MaxAmp               = trig.f4x4MaxAmp ;
  f2x2CellPhi              = trig.f2x2CellPhi ;
  f4x4CellPhi              = trig.f4x4CellPhi ;
  f2x2CellEta              = trig.f2x2CellEta ;
  f4x4CellEta              = trig.f4x4CellEta ;
  fADCValuesHigh4x4        = trig.fADCValuesHigh4x4 ; 
  fADCValuesLow4x4         = trig.fADCValuesLow4x4  ; 
  fADCValuesHigh2x2        = trig.fADCValuesHigh2x2 ; 
  fADCValuesLow2x2         = trig.fADCValuesLow2x2  ;
  fDigitsList              = trig.fDigitsList ;
  fL0Threshold             = trig.fL0Threshold ; 
  fL1JetLowPtThreshold     = trig.fL1JetLowPtThreshold ;
  fL1JetMediumPtThreshold  = trig.fL1JetMediumPtThreshold ;
  fL1JetHighPtThreshold    = trig.fL1JetHighPtThreshold ;
  fSimulation              = trig.fSimulation ;


}

//----------------------------------------------------------------------
void AliEMCALTrigger::CreateInputs()
{
   // inputs 
   
   // Do not create inputs again!!
   if( fInputs.GetEntriesFast() > 0 ) return;
   
   fInputs.AddLast( new AliTriggerInput( "EMCAL_L0",       "EMCAL L0", 0x02 ) );
   fInputs.AddLast( new AliTriggerInput( "EMCAL_JetHPt_L1","EMCAL Jet High Pt L1",   0x04 ) );
   fInputs.AddLast( new AliTriggerInput( "EMCAL_JetMPt_L1","EMCAL Jet Medium Pt L1", 0x08 ) );
   fInputs.AddLast( new AliTriggerInput( "EMCAL_JetLPt_L1","EMCAL Jet Low Pt L1",    0x016 ) );
 
}

//____________________________________________________________________________
void AliEMCALTrigger::MakeSlidingCell(const TClonesArray * amptrus, const TClonesArray * timeRtrus, const Int_t isupermod,TMatrixD *ampmax2, TMatrixD *ampmax4, AliEMCALGeometry *geom){
  
  //Sums energy of all possible 2x2 (L0) and 4x4 (L1) cells per each TRU. 
  //Fast signal in the experiment is given by 2x2 cells, 
  //for this reason we loop inside the TRU cells by 2. 
  
  //Declare and initialize variables
  Int_t nCellsPhi  = geom->GetNPhi()*2/geom->GetNTRUPhi() ;
  if(isupermod > 10)
    nCellsPhi =  nCellsPhi / 2 ; //Half size SM. Not Final.
  // 12(tow)*2(cell)/1 TRU, cells in Phi in one TRU
  Int_t nCellsEta  = geom->GetNEta()*2/geom->GetNTRUEta() ;
  // 24(mod)*2(tower)/3 TRU, cells in Eta in one TRU
  Int_t nTRU          = geom->GetNTRU();//3 TRU per super module

  Float_t amp2 = 0 ;
  Float_t amp4 = 0 ; 
  for(Int_t i = 0; i < 3; i++){
    for(Int_t j = 0; j < nTRU; j++){
      (*ampmax2)(i,j) = -1;
      (*ampmax4)(i,j) = -1;
    }
  }

  //Create matrix that will contain 2x2 amplitude sums
  //used to calculate the 4x4 sums
  TMatrixD  * tru2x2 = new TMatrixD(nCellsPhi/2,nCellsEta/2) ;
  for(Int_t i = 0; i < nCellsPhi/2; i++)
    for(Int_t j = 0; j < nCellsEta/2; j++)
      (*tru2x2)(i,j) = -1;
  
  //Loop over all TRUS in a supermodule
  for(Int_t itru = 0 + (isupermod - 1) * nTRU ; itru < isupermod*nTRU ; itru++) {
    TMatrixD * amptru   = dynamic_cast<TMatrixD *>(amptrus->At(itru)) ;
    TMatrixD * timeRtru = dynamic_cast<TMatrixD *>(timeRtrus->At(itru)) ;
    Int_t mtru = itru-(isupermod-1)*nTRU ; //Number of TRU in Supermodule
    
    //Sliding 2x2, add 2x2 amplitudes (NOT OVERLAP)
    for(Int_t irow = 0 ; irow <  nCellsPhi; irow += 2){ 
      for(Int_t icol = 0 ; icol < nCellsEta ; icol += 2){
	amp2 = (*amptru)(irow,icol)+(*amptru)(irow+1,icol)+
	  (*amptru)(irow,icol+1)+(*amptru)(irow+1,icol+1);
	//Fill matrix with added 2x2 crystals for use in 4x4 sums
	(*tru2x2)(irow/2,icol/2) = amp2 ;
	//Select 2x2 maximum sums to select L0 
	if(amp2 > (*ampmax2)(0,mtru)){
	  (*ampmax2)(0,mtru) = amp2 ; 
	  (*ampmax2)(1,mtru) = irow;
	  (*ampmax2)(2,mtru) = icol;
	}
      }
    }
    
    //Find most recent time in the selected 2x2 cell
    (*ampmax2)(3,mtru) = 1 ;
    Int_t row2 =  static_cast <Int_t> ((*ampmax2)(1,mtru));
    Int_t col2 =  static_cast <Int_t> ((*ampmax2)(2,mtru));
    for(Int_t i = 0; i<2; i++){
      for(Int_t j = 0; j<2; j++){
	if((*amptru)(row2+i,col2+j) > 0 &&  (*timeRtru)(row2+i,col2+j)> 0){	  
	  if((*timeRtru)(row2+i,col2+j) <  (*ampmax2)(3,mtru)  )
	    (*ampmax2)(3,mtru) =  (*timeRtru)(row2+i,col2+j);
	}
      }
    }
    
    //Sliding 4x4, add 4x4 amplitudes  (OVERLAP)
    for(Int_t irow = 0 ; irow <  nCellsPhi/2; irow++){ 
      for(Int_t icol = 0 ; icol < nCellsEta/2 ; icol++){
	if( (irow+1) < nCellsPhi/2 && (icol+1) < nCellsEta/2){//Avoid exit the TRU
	  amp4 = (*tru2x2)(irow,icol)+(*tru2x2)(irow+1,icol)+
	    (*tru2x2)(irow,icol+1)+(*tru2x2)(irow+1,icol+1);
	  //Select 4x4 maximum sums to select L1 
	  if(amp4 > (*ampmax4)(0,mtru)){
	    (*ampmax4)(0,mtru) = amp4 ; 
	    (*ampmax4)(1,mtru) = irow*2;
	    (*ampmax4)(2,mtru) = icol*2;
	  }
	}
      }
    }
    
    //Find most recent time in selected 4x4 cell
    (*ampmax4)(3,mtru) = 1 ;
    Int_t row4 =  static_cast <Int_t> ((*ampmax4)(1,mtru));
    Int_t col4 =  static_cast <Int_t> ((*ampmax4)(2,mtru));
    for(Int_t i = 0; i<4; i++){
      for(Int_t j = 0; j<4; j++){
	if((*amptru)(row4+i,col4+j) > 0 &&  (*timeRtru)(row4+i,col4+j)> 0){
	  if((*timeRtru)(row4+i,col4+j) <  (*ampmax4)(3,mtru)  )
	    (*ampmax4)(3,mtru) =  (*timeRtru)(row4+i,col4+j);
	}
      }
    }
  }
}

//____________________________________________________________________________
void AliEMCALTrigger::Print(const Option_t * opt) const 
{
  
  //Prints main parameters
  
  if(! opt)
    return;
  AliTriggerInput* in = 0x0 ;

  printf( "             Maximum Amplitude after Sliding Cell, \n") ; 
  printf( "               -2x2 cells sum (not overlapped): %10.2f, in Super Module %d\n",
	  f2x2MaxAmp,f2x2SM) ; 
   printf( "               -2x2 from row %d to row %d and from column %d to column %d\n", f2x2CellPhi, f2x2CellPhi+2, f2x2CellEta, f2x2CellEta+2) ; 
  printf( "               -4x4 cells sum (overlapped)    : %10.2f, in Super Module %d\n",
	  f4x4MaxAmp,f4x4SM) ; 
  printf( "               -4x4 from row %d to row %d and from column %d to column %d\n", f4x4CellPhi, f4x4CellPhi+4, f4x4CellEta, f4x4CellEta+4) ; 
  printf( "             Threshold for LO %10.2f\n", 
	  fL0Threshold) ;  
  in = (AliTriggerInput*)fInputs.FindObject( "EMCAL_L0" );
  if(in->GetValue())
    printf( "             *** EMCAL LO is set ***\n") ; 
  
  printf( "             Jet Low Pt Threshold for L1 %10.2f\n", 
	  fL1JetLowPtThreshold) ;
  in = (AliTriggerInput*)fInputs.FindObject( "EMCAL_JetLPt_L1" );
  if(in->GetValue())
    printf( "             *** EMCAL Jet Low Pt for L1 is set ***\n") ;

  printf( "             Jet Medium Pt Threshold for L1 %10.2f\n", 
	  fL1JetMediumPtThreshold) ;  
  in = (AliTriggerInput*) fInputs.FindObject( "EMCAL_JetMPt_L1" );
  if(in->GetValue())
    printf( "             *** EMCAL Jet Medium Pt for L1 is set ***\n") ;

  printf( "             Jet High Pt Threshold for L1 %10.2f\n", 
	  fL1JetHighPtThreshold) ;  
  in = (AliTriggerInput*) fInputs.FindObject( "EMCAL_JetHPt_L1" );
  if(in->GetValue())
    printf( "             *** EMCAL Jet High Pt for L1 is set ***\n") ;

}

//____________________________________________________________________________
void AliEMCALTrigger::SetTriggers(const Int_t iSM, const TMatrixD *ampmax2, 
				  const TMatrixD *ampmax4, AliEMCALGeometry *geom)  
{

  //Checks the 2x2 and 4x4 maximum amplitude per each TRU and 
  //compares with the different L0 and L1 triggers thresholds
  Float_t max2[] = {-1,-1,-1,-1} ;
  Float_t max4[] = {-1,-1,-1,-1} ;
  Int_t   itru2  = -1 ;
  Int_t   itru4  = -1 ;

  //Find maximum summed amplitude of all the TRU 
  //in a Super Module
    for(Int_t i = 0 ; i < geom->GetNTRU() ; i++){
      if(max2[0] < (*ampmax2)(0,i) ){
	max2[0] =  (*ampmax2)(0,i) ; // 2x2 summed max amplitude
	max2[1] =  (*ampmax2)(1,i) ; // corresponding phi position in TRU
	max2[2] =  (*ampmax2)(2,i) ; // corresponding eta position in TRU
	max2[3] =  (*ampmax2)(3,i) ; // corresponding most recent time
	itru2   = i ;
      }
      if(max4[0] < (*ampmax4)(0,i) ){
	max4[0] =  (*ampmax4)(0,i) ; // 4x4 summed max amplitude
	max4[1] =  (*ampmax4)(1,i) ; // corresponding phi position in TRU
	max4[2] =  (*ampmax4)(2,i) ; // corresponding eta position in TRU
	max4[3] =  (*ampmax4)(3,i) ; // corresponding most recent time
	itru4   = i ;
      }
    }

  //--------Set max amplitude if larger than in other Super Modules------------
  Float_t maxtimeR2 = -1 ;
  Float_t maxtimeR4 = -1 ;
  AliRunLoader *rl  = AliRunLoader::GetRunLoader();
  AliRun * gAlice   = rl->GetAliRun(); 
  AliEMCAL * emcal  = (AliEMCAL*)gAlice->GetDetector("EMCAL");
  Int_t nTimeBins = emcal->GetRawFormatTimeBins() ;

  //Set max of 2x2 amplitudes and select L0 trigger
  if(max2[0] > f2x2MaxAmp ){
    f2x2MaxAmp  = max2[0] ;
    f2x2SM      = iSM ;
    maxtimeR2   = max2[3] ;
    geom->GetCellPhiEtaIndexInSModuleFromTRUIndex(itru2, 
						  static_cast<Int_t>(max2[1]),
						  static_cast<Int_t>(max2[2]),
						  f2x2CellPhi,f2x2CellEta) ;
    
    //Transform digit amplitude in Raw Samples
    fADCValuesLow2x2  = new Int_t[nTimeBins];
    fADCValuesHigh2x2 = new Int_t[nTimeBins];
    emcal->RawSampledResponse(maxtimeR2, f2x2MaxAmp, fADCValuesHigh2x2, fADCValuesLow2x2) ; 
    
    //Set Trigger Inputs, compare ADC time bins until threshold is attained
    //Set L0
    for(Int_t i = 0 ; i < nTimeBins ; i++){
      if(fADCValuesHigh2x2[i] >= fL0Threshold          || fADCValuesLow2x2[i] >= fL0Threshold){
	SetInput("EMCAL_L0") ;
	break;
      }
    }
    //    for(Int_t i = 0 ; i < nTimeBins ; i++)
    //       if(fADCValuesLow2x2[i]!=0||fADCValuesHigh2x2[i]!=0)
    // 	cout<< "2x2 Time Bin "<<i
    // 	    <<"; 2x2 Low Gain  "<<fADCValuesLow2x2[i]
    // 	  <<"; 2x2 High Gain "<<fADCValuesHigh2x2[i]<<endl;
  }
  
  //------------Set max of 4x4 amplitudes and select L1 trigger---------
  if(max4[0] > f4x4MaxAmp ){
    f4x4MaxAmp  = max4[0] ;
    f4x4SM      = iSM ;
    maxtimeR4   = max4[3] ;
    geom->GetCellPhiEtaIndexInSModuleFromTRUIndex(itru4, 
						  static_cast<Int_t>(max4[1]),
						  static_cast<Int_t>(max4[2]),
						  f4x4CellPhi,f4x4CellEta) ; 
    //Transform digit amplitude in Raw Samples
    fADCValuesHigh4x4 = new Int_t[nTimeBins];
    fADCValuesLow4x4  = new Int_t[nTimeBins];
    emcal->RawSampledResponse(maxtimeR4, f4x4MaxAmp, fADCValuesHigh4x4, fADCValuesLow4x4) ;
    
    //Set Trigger Inputs, compare ADC time bins until threshold is attained
    //SetL1 Low
    for(Int_t i = 0 ; i < nTimeBins ; i++){
      if(fADCValuesHigh4x4[i] >= fL1JetLowPtThreshold  || fADCValuesLow4x4[i] >= fL1JetLowPtThreshold){
	SetInput("EMCAL_JetLPt_L1") ;
	break; 
      }
    }
    
    //SetL1 Medium
    for(Int_t i = 0 ; i < nTimeBins ; i++){
      if(fADCValuesHigh4x4[i] >= fL1JetMediumPtThreshold || fADCValuesLow4x4[i] >= fL1JetMediumPtThreshold){
	SetInput("EMCAL_JetMPt_L1") ;
	break;
      }
    }
    
    //SetL1 High
    for(Int_t i = 0 ; i < nTimeBins ; i++){
      if(fADCValuesHigh4x4[i] >= fL1JetHighPtThreshold || fADCValuesLow4x4[i] >= fL1JetHighPtThreshold){
	SetInput("EMCAL_JetHPt_L1") ;
	break;
      }
    }
 //    for(Int_t i = 0 ; i < nTimeBins ; i++)
//       if(fADCValuesLow4x4[i]!= 100||fADCValuesHigh4x4[i] != 100)
//     	cout<< "4x4 Time Bin "<<i
//     	    <<"; 4x4 Low Gain  "<<fADCValuesLow4x4[i]
//     	    <<"; 4x4 High Gain "<<fADCValuesHigh4x4[i]<<endl;
  } 
}

//____________________________________________________________________________
void AliEMCALTrigger::Trigger() 
{
  //Main Method to select triggers.
  AliRunLoader *rl = AliRunLoader::GetRunLoader();
  AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>
    (rl->GetDetectorLoader("EMCAL"));

  //Load EMCAL Geometry
  rl->LoadgAlice(); 
  AliRun * gAlice = rl->GetAliRun(); 
  AliEMCAL * emcal  = (AliEMCAL*)gAlice->GetDetector("EMCAL");
  AliEMCALGeometry * geom = emcal->GetGeometry();
  
  if (geom==0)
    AliFatal("Did not get geometry from EMCALLoader");


  //Define parameters
  Int_t nSuperModules = geom->GetNumberOfSuperModules() ; //12 SM in EMCAL
  Int_t nTRU          = geom->GetNTRU();//3 TRU per super module

  //Intialize data members each time the trigger is called in event loop
  f2x2MaxAmp = -1; f2x2CellPhi = -1;  f2x2CellEta = -1;
  f4x4MaxAmp = -1; f4x4CellPhi = -1;  f4x4CellEta = -1;

  //Take the digits list if simulation
  if(fSimulation){
    rl->LoadDigits("EMCAL");
    fDigitsList = emcalLoader->Digits() ;
  }
  cout<<"Simulation "<<fSimulation<<endl;
  if(!fDigitsList)
    AliFatal("Digits not found !") ;
  
  //Take the digits list 
  
  //Fill TRU Matrix  
  TClonesArray * amptrus   = new TClonesArray("TMatrixD",1000);
  TClonesArray * timeRtrus = new TClonesArray("TMatrixD",1000);
  geom->FillTRU(fDigitsList, amptrus, timeRtrus) ;

  //Do Cell Sliding and select Trigger
  //Initialize varible that will contain maximum amplitudes and 
  //its corresponding cell position in eta and phi, and time.
  TMatrixD  * ampmax2 = new TMatrixD(4,nTRU) ;
  TMatrixD  * ampmax4 = new TMatrixD(4,nTRU) ;

  for(Int_t iSM = 1 ; iSM <= nSuperModules ; iSM++) {
    //Do 2x2 and 4x4 sums, select maximums. 
    MakeSlidingCell(amptrus, timeRtrus, iSM, ampmax2, ampmax4, geom);
    //Set the trigger
    SetTriggers(iSM, ampmax2, ampmax4, geom) ;
  }
}
Commit	Line	Data
f0377b23	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	/* $Id$ */
59264fa6	16	/* $Log $ */
f0377b23	17
	18	//_________________________________________________________________________
	19	//
	20	// Class for trigger analysis.
	21	// Digits are grouped in TRU's (384 cells? ordered fNTRUPhi x fNTRUEta).
	22	// The algorithm searches all possible 4x4 cell combinations per each TRU,
	23	// adding the digits amplitude and finding the maximum. Maximums are compared
	24	// to triggers threshold and they are set. Thresholds need to be fixed.
59264fa6	25	// Last 2 modules are half size in Phi, I considered that the number of TRU
	26	// is maintained for the last modules but decision not taken. If different,
	27	// then this must be changed.
f0377b23	28	// Usage:
	29	//
	30	// //Inside the event loop
	31	// AliEMCALTrigger *tr = new AliEMCALTrigger();//Init Trigger
59264fa6	32	// tr->SetL0Threshold(100);
f0377b23	33	// tr->SetL1JetLowPtThreshold(1000);
	34	// tr->SetL1JetMediumPtThreshold(10000);
	35	// tr->SetL1JetHighPtThreshold(20000);
	36	// tr->Trigger(); //Execute Trigger
	37	// tr->Print(""); //Print results
	38	//
	39	//*-- Author: Gustavo Conesa & Yves Schutz (IFIC, CERN)
	40	//////////////////////////////////////////////////////////////////////////////
	41
	42
	43	// --- ROOT system ---
59264fa6	44	//#include "TMatrixD.h"
f0377b23	45
	46	// --- ALIROOT system ---
	47
	48	#include "AliRun.h"
	49	#include "AliRunLoader.h"
	50	#include "AliTriggerInput.h"
	51	#include "AliEMCAL.h"
	52	#include "AliEMCALLoader.h"
	53	#include "AliEMCALDigit.h"
	54	#include "AliEMCALTrigger.h"
	55	#include "AliEMCALGeometry.h"
	56
	57	ClassImp(AliEMCALTrigger)
	58
	59	//______________________________________________________________________
	60	AliEMCALTrigger::AliEMCALTrigger()
	61	: AliTriggerDetector(),
59264fa6	62	f2x2MaxAmp(-1), f2x2CellPhi(-1), f2x2CellEta(-1),
	63	f4x4MaxAmp(-1), f4x4CellPhi(-1), f4x4CellEta(-1),
	64	fL0Threshold(100),fL1JetLowPtThreshold(200),
	65	fL1JetMediumPtThreshold(500), fL1JetHighPtThreshold(1000),
	66	fSimulation(kTRUE)
	67
f0377b23	68	{
59264fa6	69	//ctor
	70
	71	fADCValuesHigh4x4 = 0x0; //new Int_t[fTimeBins];
	72	fADCValuesLow4x4 = 0x0; //new Int_t[fTimeBins];
	73	fADCValuesHigh2x2 = 0x0; //new Int_t[fTimeBins];
	74	fADCValuesLow2x2 = 0x0; //new Int_t[fTimeBins];
	75
	76	fDigitsList = 0x0 ;
f0377b23	77
59264fa6	78
	79	SetName("EMCAL");
	80	CreateInputs();
f0377b23	81
59264fa6	82	//Print("") ;
f0377b23	83	}
	84
	85
	86
	87	//____________________________________________________________________________
	88	AliEMCALTrigger::AliEMCALTrigger(const AliEMCALTrigger & trig)
	89	: AliTriggerDetector(trig)
	90	{
	91
	92	// cpy ctor
59264fa6	93
	94	f2x2MaxAmp = trig.f2x2MaxAmp ;
	95	f4x4MaxAmp = trig.f4x4MaxAmp ;
	96	f2x2CellPhi = trig.f2x2CellPhi ;
	97	f4x4CellPhi = trig.f4x4CellPhi ;
	98	f2x2CellEta = trig.f2x2CellEta ;
	99	f4x4CellEta = trig.f4x4CellEta ;
	100	fADCValuesHigh4x4 = trig.fADCValuesHigh4x4 ;
	101	fADCValuesLow4x4 = trig.fADCValuesLow4x4 ;
	102	fADCValuesHigh2x2 = trig.fADCValuesHigh2x2 ;
	103	fADCValuesLow2x2 = trig.fADCValuesLow2x2 ;
	104	fDigitsList = trig.fDigitsList ;
	105	fL0Threshold = trig.fL0Threshold ;
f0377b23	106	fL1JetLowPtThreshold = trig.fL1JetLowPtThreshold ;
	107	fL1JetMediumPtThreshold = trig.fL1JetMediumPtThreshold ;
	108	fL1JetHighPtThreshold = trig.fL1JetHighPtThreshold ;
59264fa6	109	fSimulation = trig.fSimulation ;
	110
	111
f0377b23	112
	113	}
	114
	115	//----------------------------------------------------------------------
	116	void AliEMCALTrigger::CreateInputs()
	117	{
	118	// inputs
	119
	120	// Do not create inputs again!!
	121	if( fInputs.GetEntriesFast() > 0 ) return;
	122
59264fa6	123	fInputs.AddLast( new AliTriggerInput( "EMCAL_L0", "EMCAL L0", 0x02 ) );
	124	fInputs.AddLast( new AliTriggerInput( "EMCAL_JetHPt_L1","EMCAL Jet High Pt L1", 0x04 ) );
	125	fInputs.AddLast( new AliTriggerInput( "EMCAL_JetMPt_L1","EMCAL Jet Medium Pt L1", 0x08 ) );
	126	fInputs.AddLast( new AliTriggerInput( "EMCAL_JetLPt_L1","EMCAL Jet Low Pt L1", 0x016 ) );
f0377b23	127
	128	}
	129
	130	//____________________________________________________________________________
59264fa6	131	void AliEMCALTrigger::MakeSlidingCell(const TClonesArray * amptrus, const TClonesArray * timeRtrus, const Int_t isupermod,TMatrixD ampmax2, TMatrixD ampmax4, AliEMCALGeometry *geom){
f0377b23	132
59264fa6	133	//Sums energy of all possible 2x2 (L0) and 4x4 (L1) cells per each TRU.
	134	//Fast signal in the experiment is given by 2x2 cells,
	135	//for this reason we loop inside the TRU cells by 2.
f0377b23	136
59264fa6	137	//Declare and initialize variables
f0377b23	138	Int_t nCellsPhi = geom->GetNPhi()*2/geom->GetNTRUPhi() ;
59264fa6	139	if(isupermod > 10)
59264fa6	140	nCellsPhi = nCellsPhi / 2 ; //Half size SM. Not Final.
f0377b23	141	// 12(tow)*2(cell)/1 TRU, cells in Phi in one TRU
	142	Int_t nCellsEta = geom->GetNEta()*2/geom->GetNTRUEta() ;
	143	// 24(mod)*2(tower)/3 TRU, cells in Eta in one TRU
59264fa6	144	Int_t nTRU = geom->GetNTRU();//3 TRU per super module
f0377b23	145
59264fa6	146	Float_t amp2 = 0 ;
	147	Float_t amp4 = 0 ;
	148	for(Int_t i = 0; i < 3; i++){
	149	for(Int_t j = 0; j < nTRU; j++){
	150	(*ampmax2)(i,j) = -1;
	151	(*ampmax4)(i,j) = -1;
	152	}
	153	}
f0377b23	154
59264fa6	155	//Create matrix that will contain 2x2 amplitude sums
	156	//used to calculate the 4x4 sums
	157	TMatrixD * tru2x2 = new TMatrixD(nCellsPhi/2,nCellsEta/2) ;
	158	for(Int_t i = 0; i < nCellsPhi/2; i++)
	159	for(Int_t j = 0; j < nCellsEta/2; j++)
	160	(*tru2x2)(i,j) = -1;
	161
	162	//Loop over all TRUS in a supermodule
	163	for(Int_t itru = 0 + (isupermod - 1) * nTRU ; itru < isupermod*nTRU ; itru++) {
	164	TMatrixD * amptru = dynamic_cast<TMatrixD *>(amptrus->At(itru)) ;
	165	TMatrixD * timeRtru = dynamic_cast<TMatrixD *>(timeRtrus->At(itru)) ;
	166	Int_t mtru = itru-(isupermod-1)*nTRU ; //Number of TRU in Supermodule
f0377b23	167
59264fa6	168	//Sliding 2x2, add 2x2 amplitudes (NOT OVERLAP)
	169	for(Int_t irow = 0 ; irow < nCellsPhi; irow += 2){
	170	for(Int_t icol = 0 ; icol < nCellsEta ; icol += 2){
	171	amp2 = (amptru)(irow,icol)+(amptru)(irow+1,icol)+
	172	(amptru)(irow,icol+1)+(amptru)(irow+1,icol+1);
	173	//Fill matrix with added 2x2 crystals for use in 4x4 sums
	174	(*tru2x2)(irow/2,icol/2) = amp2 ;
	175	//Select 2x2 maximum sums to select L0
	176	if(amp2 > (*ampmax2)(0,mtru)){
	177	(*ampmax2)(0,mtru) = amp2 ;
	178	(*ampmax2)(1,mtru) = irow;
	179	(*ampmax2)(2,mtru) = icol;
	180	}
	181	}
	182	}
	183
	184	//Find most recent time in the selected 2x2 cell
	185	(*ampmax2)(3,mtru) = 1 ;
	186	Int_t row2 = static_cast <Int_t> ((*ampmax2)(1,mtru));
	187	Int_t col2 = static_cast <Int_t> ((*ampmax2)(2,mtru));
	188	for(Int_t i = 0; i<2; i++){
	189	for(Int_t j = 0; j<2; j++){
	190	if((amptru)(row2+i,col2+j) > 0 && (timeRtru)(row2+i,col2+j)> 0){
	191	if((timeRtru)(row2+i,col2+j) < (ampmax2)(3,mtru) )
	192	(ampmax2)(3,mtru) = (timeRtru)(row2+i,col2+j);
	193	}
	194	}
	195	}
	196
	197	//Sliding 4x4, add 4x4 amplitudes (OVERLAP)
	198	for(Int_t irow = 0 ; irow < nCellsPhi/2; irow++){
	199	for(Int_t icol = 0 ; icol < nCellsEta/2 ; icol++){
	200	if( (irow+1) < nCellsPhi/2 && (icol+1) < nCellsEta/2){//Avoid exit the TRU
	201	amp4 = (tru2x2)(irow,icol)+(tru2x2)(irow+1,icol)+
	202	(tru2x2)(irow,icol+1)+(tru2x2)(irow+1,icol+1);
	203	//Select 4x4 maximum sums to select L1
	204	if(amp4 > (*ampmax4)(0,mtru)){
	205	(*ampmax4)(0,mtru) = amp4 ;
	206	(ampmax4)(1,mtru) = irow2;
	207	(ampmax4)(2,mtru) = icol2;
	208	}
	209	}
	210	}
	211	}
	212
	213	//Find most recent time in selected 4x4 cell
	214	(*ampmax4)(3,mtru) = 1 ;
	215	Int_t row4 = static_cast <Int_t> ((*ampmax4)(1,mtru));
	216	Int_t col4 = static_cast <Int_t> ((*ampmax4)(2,mtru));
	217	for(Int_t i = 0; i<4; i++){
	218	for(Int_t j = 0; j<4; j++){
	219	if((amptru)(row4+i,col4+j) > 0 && (timeRtru)(row4+i,col4+j)> 0){
	220	if((timeRtru)(row4+i,col4+j) < (ampmax4)(3,mtru) )
	221	(ampmax4)(3,mtru) = (timeRtru)(row4+i,col4+j);
	222	}
	223	}
	224	}
f0377b23	225	}
f0377b23	226	}
	227
	228	//____________________________________________________________________________
	229	void AliEMCALTrigger::Print(const Option_t * opt) const
	230	{
	231
	232	//Prints main parameters
	233
	234	if(! opt)
	235	return;
	236	AliTriggerInput* in = 0x0 ;
59264fa6	237
	238	printf( " Maximum Amplitude after Sliding Cell, \n") ;
	239	printf( " -2x2 cells sum (not overlapped): %10.2f, in Super Module %d\n",
	240	f2x2MaxAmp,f2x2SM) ;
	241	printf( " -2x2 from row %d to row %d and from column %d to column %d\n", f2x2CellPhi, f2x2CellPhi+2, f2x2CellEta, f2x2CellEta+2) ;
	242	printf( " -4x4 cells sum (overlapped) : %10.2f, in Super Module %d\n",
	243	f4x4MaxAmp,f4x4SM) ;
	244	printf( " -4x4 from row %d to row %d and from column %d to column %d\n", f4x4CellPhi, f4x4CellPhi+4, f4x4CellEta, f4x4CellEta+4) ;
	245	printf( " Threshold for LO %10.2f\n",
	246	fL0Threshold) ;
	247	in = (AliTriggerInput*)fInputs.FindObject( "EMCAL_L0" );
f0377b23	248	if(in->GetValue())
59264fa6	249	printf( " * EMCAL LO is set *\n") ;
f0377b23	250
59264fa6	251	printf( " Jet Low Pt Threshold for L1 %10.2f\n",
	252	fL1JetLowPtThreshold) ;
	253	in = (AliTriggerInput*)fInputs.FindObject( "EMCAL_JetLPt_L1" );
f0377b23	254	if(in->GetValue())
59264fa6	255	printf( " * EMCAL Jet Low Pt for L1 is set *\n") ;
f0377b23	256
59264fa6	257	printf( " Jet Medium Pt Threshold for L1 %10.2f\n",
	258	fL1JetMediumPtThreshold) ;
	259	in = (AliTriggerInput*) fInputs.FindObject( "EMCAL_JetMPt_L1" );
f0377b23	260	if(in->GetValue())
59264fa6	261	printf( " * EMCAL Jet Medium Pt for L1 is set *\n") ;
f0377b23	262
59264fa6	263	printf( " Jet High Pt Threshold for L1 %10.2f\n",
	264	fL1JetHighPtThreshold) ;
	265	in = (AliTriggerInput*) fInputs.FindObject( "EMCAL_JetHPt_L1" );
f0377b23	266	if(in->GetValue())
59264fa6	267	printf( " * EMCAL Jet High Pt for L1 is set *\n") ;
f0377b23	268
	269	}
	270
	271	//____________________________________________________________________________
59264fa6	272	void AliEMCALTrigger::SetTriggers(const Int_t iSM, const TMatrixD *ampmax2,
59264fa6	273	const TMatrixD ampmax4, AliEMCALGeometry geom)
f0377b23	274	{
f0377b23	275
59264fa6	276	//Checks the 2x2 and 4x4 maximum amplitude per each TRU and
	277	//compares with the different L0 and L1 triggers thresholds
	278	Float_t max2[] = {-1,-1,-1,-1} ;
	279	Float_t max4[] = {-1,-1,-1,-1} ;
	280	Int_t itru2 = -1 ;
	281	Int_t itru4 = -1 ;
f0377b23	282
59264fa6	283	//Find maximum summed amplitude of all the TRU
	284	//in a Super Module
	285	for(Int_t i = 0 ; i < geom->GetNTRU() ; i++){
	286	if(max2[0] < (*ampmax2)(0,i) ){
	287	max2[0] = (*ampmax2)(0,i) ; // 2x2 summed max amplitude
	288	max2[1] = (*ampmax2)(1,i) ; // corresponding phi position in TRU
	289	max2[2] = (*ampmax2)(2,i) ; // corresponding eta position in TRU
	290	max2[3] = (*ampmax2)(3,i) ; // corresponding most recent time
	291	itru2 = i ;
	292	}
03ecfe88	293	if(max4[0] < (*ampmax4)(0,i) ){
59264fa6	294	max4[0] = (*ampmax4)(0,i) ; // 4x4 summed max amplitude
	295	max4[1] = (*ampmax4)(1,i) ; // corresponding phi position in TRU
	296	max4[2] = (*ampmax4)(2,i) ; // corresponding eta position in TRU
	297	max4[3] = (*ampmax4)(3,i) ; // corresponding most recent time
	298	itru4 = i ;
	299	}
	300	}
	301
	302	//--------Set max amplitude if larger than in other Super Modules------------
	303	Float_t maxtimeR2 = -1 ;
	304	Float_t maxtimeR4 = -1 ;
	305	AliRunLoader *rl = AliRunLoader::GetRunLoader();
	306	AliRun * gAlice = rl->GetAliRun();
	307	AliEMCAL * emcal = (AliEMCAL*)gAlice->GetDetector("EMCAL");
	308	Int_t nTimeBins = emcal->GetRawFormatTimeBins() ;
	309
	310	//Set max of 2x2 amplitudes and select L0 trigger
	311	if(max2[0] > f2x2MaxAmp ){
	312	f2x2MaxAmp = max2[0] ;
	313	f2x2SM = iSM ;
	314	maxtimeR2 = max2[3] ;
	315	geom->GetCellPhiEtaIndexInSModuleFromTRUIndex(itru2,
	316	static_cast<Int_t>(max2[1]),
	317	static_cast<Int_t>(max2[2]),
	318	f2x2CellPhi,f2x2CellEta) ;
	319
	320	//Transform digit amplitude in Raw Samples
	321	fADCValuesLow2x2 = new Int_t[nTimeBins];
	322	fADCValuesHigh2x2 = new Int_t[nTimeBins];
	323	emcal->RawSampledResponse(maxtimeR2, f2x2MaxAmp, fADCValuesHigh2x2, fADCValuesLow2x2) ;
	324
	325	//Set Trigger Inputs, compare ADC time bins until threshold is attained
	326	//Set L0
	327	for(Int_t i = 0 ; i < nTimeBins ; i++){
	328	if(fADCValuesHigh2x2[i] >= fL0Threshold \|\| fADCValuesLow2x2[i] >= fL0Threshold){
	329	SetInput("EMCAL_L0") ;
	330	break;
	331	}
	332	}
	333	// for(Int_t i = 0 ; i < nTimeBins ; i++)
	334	// if(fADCValuesLow2x2[i]!=0\|\|fADCValuesHigh2x2[i]!=0)
	335	// cout<< "2x2 Time Bin "<<i
	336	// <<"; 2x2 Low Gain "<<fADCValuesLow2x2[i]
	337	// <<"; 2x2 High Gain "<<fADCValuesHigh2x2[i]<<endl;
f0377b23	338	}
59264fa6	339
	340	//------------Set max of 4x4 amplitudes and select L1 trigger---------
	341	if(max4[0] > f4x4MaxAmp ){
	342	f4x4MaxAmp = max4[0] ;
	343	f4x4SM = iSM ;
	344	maxtimeR4 = max4[3] ;
	345	geom->GetCellPhiEtaIndexInSModuleFromTRUIndex(itru4,
	346	static_cast<Int_t>(max4[1]),
	347	static_cast<Int_t>(max4[2]),
	348	f4x4CellPhi,f4x4CellEta) ;
	349	//Transform digit amplitude in Raw Samples
	350	fADCValuesHigh4x4 = new Int_t[nTimeBins];
	351	fADCValuesLow4x4 = new Int_t[nTimeBins];
	352	emcal->RawSampledResponse(maxtimeR4, f4x4MaxAmp, fADCValuesHigh4x4, fADCValuesLow4x4) ;
	353
	354	//Set Trigger Inputs, compare ADC time bins until threshold is attained
	355	//SetL1 Low
	356	for(Int_t i = 0 ; i < nTimeBins ; i++){
	357	if(fADCValuesHigh4x4[i] >= fL1JetLowPtThreshold \|\| fADCValuesLow4x4[i] >= fL1JetLowPtThreshold){
	358	SetInput("EMCAL_JetLPt_L1") ;
	359	break;
	360	}
	361	}
	362
	363	//SetL1 Medium
	364	for(Int_t i = 0 ; i < nTimeBins ; i++){
	365	if(fADCValuesHigh4x4[i] >= fL1JetMediumPtThreshold \|\| fADCValuesLow4x4[i] >= fL1JetMediumPtThreshold){
	366	SetInput("EMCAL_JetMPt_L1") ;
	367	break;
	368	}
	369	}
	370
	371	//SetL1 High
	372	for(Int_t i = 0 ; i < nTimeBins ; i++){
	373	if(fADCValuesHigh4x4[i] >= fL1JetHighPtThreshold \|\| fADCValuesLow4x4[i] >= fL1JetHighPtThreshold){
	374	SetInput("EMCAL_JetHPt_L1") ;
	375	break;
	376	}
	377	}
	378	// for(Int_t i = 0 ; i < nTimeBins ; i++)
	379	// if(fADCValuesLow4x4[i]!= 100\|\|fADCValuesHigh4x4[i] != 100)
	380	// cout<< "4x4 Time Bin "<<i
	381	// <<"; 4x4 Low Gain "<<fADCValuesLow4x4[i]
	382	// <<"; 4x4 High Gain "<<fADCValuesHigh4x4[i]<<endl;
	383	}
	384	}
f0377b23	385
59264fa6	386	//____________________________________________________________________________
	387	void AliEMCALTrigger::Trigger()
	388	{
	389	//Main Method to select triggers.
	390	AliRunLoader *rl = AliRunLoader::GetRunLoader();
	391	AliEMCALLoader emcalLoader = dynamic_cast<AliEMCALLoader>
	392	(rl->GetDetectorLoader("EMCAL"));
	393
	394	//Load EMCAL Geometry
	395	rl->LoadgAlice();
	396	AliRun * gAlice = rl->GetAliRun();
	397	AliEMCAL * emcal = (AliEMCAL*)gAlice->GetDetector("EMCAL");
	398	AliEMCALGeometry * geom = emcal->GetGeometry();
	399
	400	if (geom==0)
	401	AliFatal("Did not get geometry from EMCALLoader");
	402
	403
	404	//Define parameters
	405	Int_t nSuperModules = geom->GetNumberOfSuperModules() ; //12 SM in EMCAL
	406	Int_t nTRU = geom->GetNTRU();//3 TRU per super module
	407
	408	//Intialize data members each time the trigger is called in event loop
	409	f2x2MaxAmp = -1; f2x2CellPhi = -1; f2x2CellEta = -1;
	410	f4x4MaxAmp = -1; f4x4CellPhi = -1; f4x4CellEta = -1;
	411
	412	//Take the digits list if simulation
	413	if(fSimulation){
	414	rl->LoadDigits("EMCAL");
	415	fDigitsList = emcalLoader->Digits() ;
	416	}
	417	cout<<"Simulation "<<fSimulation<<endl;
	418	if(!fDigitsList)
	419	AliFatal("Digits not found !") ;
	420
	421	//Take the digits list
	422
	423	//Fill TRU Matrix
	424	TClonesArray * amptrus = new TClonesArray("TMatrixD",1000);
	425	TClonesArray * timeRtrus = new TClonesArray("TMatrixD",1000);
	426	geom->FillTRU(fDigitsList, amptrus, timeRtrus) ;
	427
	428	//Do Cell Sliding and select Trigger
	429	//Initialize varible that will contain maximum amplitudes and
	430	//its corresponding cell position in eta and phi, and time.
	431	TMatrixD * ampmax2 = new TMatrixD(4,nTRU) ;
	432	TMatrixD * ampmax4 = new TMatrixD(4,nTRU) ;
	433
	434	for(Int_t iSM = 1 ; iSM <= nSuperModules ; iSM++) {
	435	//Do 2x2 and 4x4 sums, select maximums.
	436	MakeSlidingCell(amptrus, timeRtrus, iSM, ampmax2, ampmax4, geom);
	437	//Set the trigger
	438	SetTriggers(iSM, ampmax2, ampmax4, geom) ;
	439	}
f0377b23	440	}