/************************************************************************** * 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(amptrus->At(itru)) ; TMatrixD * timeRtru = dynamic_cast(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 ((*ampmax2)(1,mtru)); Int_t col2 = static_cast ((*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 ((*ampmax4)(1,mtru)); Int_t col4 = static_cast ((*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[4] < (*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(max2[1]), static_cast(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 "< f4x4MaxAmp ){ f4x4MaxAmp = max4[0] ; f4x4SM = iSM ; maxtimeR4 = max4[3] ; geom->GetCellPhiEtaIndexInSModuleFromTRUIndex(itru4, static_cast(max4[1]), static_cast(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 "< (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 "<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) ; } }