/************************************************************************** * 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 (Trigger Units). A TRU consist of 16x28 // crystals ordered fNTRUPhi x fNTRUZ. The algorithm searches all possible // 4x4 crystal combinations per each TRU, adding the digits amplitude and // finding the maximum. Maximums are transformed in ADC time samples. // Each time bin is compared to the trigger threshold until it is larger // and then, triggers are set. Thresholds need to be fixed. // Usage: // // //Inside the event loop // AliEMCALTrigger *tr = new AliEMCALTrigger();//Init Trigger // tr->SetL0Threshold(100); // tr->SetL1JetLowPtThreshold(1000); // tr->SetL1JetHighPtThreshold(20000); // tr->Trigger(); //Execute Trigger // tr->Print(""); //Print result, with "deb" option all data members // //are printed // //*-- Author: Gustavo Conesa & Yves Schutz (IFIC, CERN) ////////////////////////////////////////////////////////////////////////////// // --- ROOT system --- //#include "TMatrixD.h" // --- ALIROOT system --- #include "AliPHOS.h" #include "AliPHOSTrigger.h" #include "AliPHOSGeometry.h" #include "AliPHOSGetter.h" #include "AliTriggerInput.h" //#include "AliLog.h" ClassImp(AliPHOSTrigger) //______________________________________________________________________ AliPHOSTrigger::AliPHOSTrigger() : AliTriggerDetector(), f2x2MaxAmp(-1), f2x2CrystalPhi(-1), f2x2CrystalEta(-1), f4x4MaxAmp(-1), f4x4CrystalPhi(-1), f4x4CrystalEta(-1), fL0Threshold(50), fL1JetLowPtThreshold(200), fL1JetHighPtThreshold(500), fNTRU(8), fNTRUZ(2), fNTRUPhi(4), 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("PHOS"); CreateInputs(); //Print("") ; } //____________________________________________________________________________ AliPHOSTrigger::AliPHOSTrigger(const AliPHOSTrigger & trig) : AliTriggerDetector(trig) { // cpy ctor f2x2MaxAmp = trig.f2x2MaxAmp ; f4x4MaxAmp = trig.f4x4MaxAmp ; f2x2CrystalPhi = trig.f2x2CrystalPhi ; f4x4CrystalPhi = trig.f4x4CrystalPhi ; f2x2CrystalEta = trig.f2x2CrystalEta ; f4x4CrystalEta = trig.f4x4CrystalEta ; fADCValuesHigh4x4 = trig.fADCValuesHigh4x4 ; fADCValuesLow4x4 = trig.fADCValuesLow4x4 ; fADCValuesHigh2x2 = trig.fADCValuesHigh2x2 ; fADCValuesLow2x2 = trig.fADCValuesLow2x2 ; fDigitsList = trig.fDigitsList ; fL0Threshold = trig.fL0Threshold ; fL1JetLowPtThreshold = trig.fL1JetLowPtThreshold ; fL1JetHighPtThreshold = trig.fL1JetHighPtThreshold ; fNTRU = trig.fNTRU ; fNTRUZ = trig.fNTRUZ ; fNTRUPhi = trig.fNTRUPhi ; fSimulation = trig.fSimulation ; } //_________________________________________________________________________ void AliPHOSTrigger::CreateInputs() { // inputs // Do not create inputs again!! if( fInputs.GetEntriesFast() > 0 ) return; fInputs.AddLast( new AliTriggerInput( "PHOS_L0", "PHOS L0", 0x02 ) ); fInputs.AddLast( new AliTriggerInput( "PHOS_JetHPt_L1","PHOS Jet High Pt L1", 0x04 ) ); fInputs.AddLast( new AliTriggerInput( "PHOS_JetLPt_L1","PHOS Jet Low Pt L1", 0x08 ) ); } //____________________________________________________________________________ void AliPHOSTrigger::FillTRU(const TClonesArray * digits, const AliPHOSGeometry * geom, TClonesArray * ampmatrix, TClonesArray * timeRmatrix) const { //Orders digits ampitudes list and times in fNTRU TRUs (28x16 crystals) //per module. Each TRU is a TMatrixD, and they are kept in TClonesArrays. //In a module, the number of TRU in phi is fNTRUPhi, and the number of //TRU in eta is fNTRUZ. //Check data members if(fNTRUZ*fNTRUPhi != fNTRU) Error("FillTRU"," Wrong number of TRUS per Z or Phi"); //Initilize and declare variables Int_t nModules = geom->GetNModules(); Int_t nCrystalsPhi = geom->GetNPhi()/fNTRUPhi ;// 64/4=16 Int_t nCrystalsZ = geom->GetNZ()/fNTRUZ ;// 56/2=28 Int_t relid[4] ; Float_t amp = -1; Float_t timeR = -1; Int_t id = -1; //List of TRU matrices initialized to 0. for(Int_t k = 0; k < fNTRU*nModules ; k++){ TMatrixD * amptrus = new TMatrixD(nCrystalsPhi,nCrystalsZ) ; TMatrixD * timeRtrus = new TMatrixD(nCrystalsPhi,nCrystalsZ) ; for(Int_t i = 0; i < nCrystalsPhi; i++){ for(Int_t j = 0; j < nCrystalsZ; j++){ (*amptrus)(i,j) = 0.0; (*timeRtrus)(i,j) = 0.0; } } new((*ampmatrix)[k]) TMatrixD(*amptrus) ; new((*timeRmatrix)[k]) TMatrixD(*timeRtrus) ; } AliPHOSDigit * dig ; //Digits loop to fill TRU matrices with amplitudes. for(Int_t idig = 0 ; idig < digits->GetEntriesFast() ; idig++){ dig = static_cast(digits->At(idig)) ; amp = dig->GetAmp() ; // Energy of the digit (arbitrary units) id = dig->GetId() ; // Id label of the cell timeR = dig->GetTimeR() ; // Earliest time of the digit geom->AbsToRelNumbering(id, relid) ; //Transform digit number into 4 numbers //relid[0] = module //relid[1] = EMC (0) or CPV (-1) //relid[2] = row <= 64 (fNPhi) //relid[3] = column <= 56 (fNZ) if(relid[1] == 0){//Not CPV, Only EMC digits //Check to which TRU in the supermodule belongs the crystal. //Supermodules are divided in a TRU matrix of dimension //(fNTRUPhi,fNTRUZ). //Each TRU is a crystal matrix of dimension (nCrystalsPhi,nCrystalsZ) //First calculate the row and column in the supermodule //of the TRU to which the crystal belongs. Int_t col = (relid[3]-1)/nCrystalsZ+1; Int_t row = (relid[2]-1)/nCrystalsPhi+1; //Calculate label number of the TRU Int_t itru = (row-1) + (col-1)*fNTRUPhi + (relid[0]-1)*fNTRU ; //Fill TRU matrix with crystal values TMatrixD * amptrus = dynamic_cast(ampmatrix->At(itru)) ; TMatrixD * timeRtrus = dynamic_cast(timeRmatrix->At(itru)) ; //Calculate row and column of the crystal inside the TRU with number itru Int_t irow = (relid[2]-1) - (row-1) * nCrystalsPhi; Int_t icol = (relid[3]-1) - (col-1) * nCrystalsZ; (*amptrus)(irow,icol) = amp ; (*timeRtrus)(irow,icol) = timeR ; } } } //______________________________________________________________________ void AliPHOSTrigger::GetCrystalPhiEtaIndexInModuleFromTRUIndex(const Int_t itru,const Int_t iphitru,const Int_t ietatru,Int_t &iphiMod,Int_t &ietaMod,const AliPHOSGeometry* geom) const { // This method transforms the (eta,phi) index of a crystals in a // TRU matrix into Super Module (eta,phi) index. // Calculate in which row and column in which the TRU are // ordered in the SM Int_t col = itru/ fNTRUPhi + 1; Int_t row = itru - (col-1)*fNTRUPhi + 1; //Calculate the (eta,phi) index in SM Int_t nCrystalsPhi = geom->GetNPhi()/fNTRUPhi; Int_t nCrystalsZ = geom->GetNZ()/fNTRUZ; iphiMod = nCrystalsPhi*(row-1) + iphitru + 1 ; ietaMod = nCrystalsZ*(col-1) + ietatru + 1 ; } //____________________________________________________________________________ void AliPHOSTrigger::MakeSlidingCell(const TClonesArray * amptrus, const TClonesArray * timeRtrus, const Int_t imod, TMatrixD *ampmax2, TMatrixD *ampmax4, const AliPHOSGeometry *geom){ //Sums energy of all possible 2x2 (L0) and 4x4 (L1) crystals per each TRU. //Fast signal in the experiment is given by 2x2 crystals, //for this reason we loop inside the TRU crystals by 2. //Declare and initialize varibles Int_t nCrystalsPhi = geom->GetNPhi()/fNTRUPhi ;// 64/4=16 Int_t nCrystalsZ = geom->GetNZ()/fNTRUZ ;// 56/2=28 Float_t amp2 = 0 ; Float_t amp4 = 0 ; for(Int_t i = 0; i < 3; i++){ for(Int_t j = 0; j < fNTRU; 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(nCrystalsPhi/2,nCrystalsZ/2) ; for(Int_t i = 0; i < nCrystalsPhi/2; i++) for(Int_t j = 0; j < nCrystalsZ/2; j++) (*tru2x2)(i,j) = 0.0; //Loop over all TRUS in a module for(Int_t itru = 0 + (imod - 1) * fNTRU ; itru < imod*fNTRU ; itru++){ TMatrixD * amptru = dynamic_cast(amptrus->At(itru)) ; TMatrixD * timeRtru = dynamic_cast(timeRtrus->At(itru)) ; Int_t mtru = itru-(imod-1)*fNTRU ; //Number of TRU in Module //Sliding 2x2, add 2x2 amplitudes (NOT OVERLAP) for(Int_t irow = 0 ; irow < nCrystalsPhi; irow += 2){ for(Int_t icol = 0 ; icol < nCrystalsZ ; icol += 2){ amp2 = (*amptru)(irow,icol)+(*amptru)(irow+1,icol)+ (*amptru)(irow,icol+1)+(*amptru)(irow+1,icol+1); //Fill new 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 < nCrystalsPhi/2; irow++){ for(Int_t icol = 0 ; icol < nCrystalsZ/2 ; icol++){ if( (irow+1) < nCrystalsPhi/2 && (icol+1) < nCrystalsZ/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 AliPHOSTrigger::Print(const Option_t * opt) const { //Prints main parameters if(! opt) return; AliTriggerInput* in = 0x0 ; printf( " Maximum Amplitude after Sliding Crystal, \n") ; printf( " -2x2 crystals 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", f2x2CrystalPhi, f2x2CrystalPhi+2, f2x2CrystalEta, f2x2CrystalEta+2) ; printf( " -4x4 crystals 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", f4x4CrystalPhi, f4x4CrystalPhi+4, f4x4CrystalEta, f4x4CrystalEta+4) ; printf( " Threshold for LO %10.1f\n", fL0Threshold) ; printf( " Threshold for LO %10.2f\n", fL0Threshold) ; in = (AliTriggerInput*)fInputs.FindObject( "PHOS_L0" ); if(in->GetValue()) printf( " *** PHOS LO is set ***\n") ; printf( " Jet Low Pt Threshold for L1 %10.2f\n", fL1JetLowPtThreshold) ; in = (AliTriggerInput*)fInputs.FindObject( "PHOS_JetLPt_L1" ); if(in->GetValue()) printf( " *** PHOS Jet Low Pt for L1 is set ***\n") ; printf( " Jet High Pt Threshold for L1 %10.2f\n", fL1JetHighPtThreshold) ; in = (AliTriggerInput*) fInputs.FindObject( "PHOS_JetHPt_L1" ); if(in->GetValue()) printf( " *** PHOS Jet High Pt for L1 is set ***\n") ; } //____________________________________________________________________________ void AliPHOSTrigger::SetTriggers(const Int_t iMod, const TMatrixD * ampmax2, const TMatrixD * ampmax4, const AliPHOSGeometry *geom) { //Checks the 2x2 and 4x4 maximum amplitude per each TRU and compares //with the different L0 and L1 triggers thresholds //Initialize variables 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 Module for(Int_t i = 0 ; i < fNTRU ; 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 ; // TRU number } 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 ; // TRU number } } //Set max amplitude if larger than in other Modules Float_t maxtimeR2 = -1 ; Float_t maxtimeR4 = -1 ; AliPHOSGetter * gime = AliPHOSGetter::Instance() ; AliPHOS * phos = gime->PHOS(); Int_t nTimeBins = phos->GetRawFormatTimeBins() ; //Set max 2x2 amplitude and select L0 trigger if(max2[0] > f2x2MaxAmp ){ f2x2MaxAmp = max2[0] ; f2x2SM = iMod ; maxtimeR2 = max2[3] ; GetCrystalPhiEtaIndexInModuleFromTRUIndex(itru2,static_cast(max2[1]),static_cast(max2[2]),f2x2CrystalPhi,f2x2CrystalEta,geom) ; //Transform digit amplitude in Raw Samples fADCValuesLow2x2 = new Int_t[nTimeBins]; fADCValuesHigh2x2 = new Int_t[nTimeBins]; phos->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("PHOS_L0") ; break; } } // for(Int_t i = 0 ; i < 256 ; i++) // if(fADCValuesLow2x2[i]!=0||fADCValuesHigh2x2[i]!=0) // cout<< "2x2 Time Bin "< f4x4MaxAmp ){ f4x4MaxAmp = max4[0] ; f4x4SM = iMod ; maxtimeR4 = max4[3] ; GetCrystalPhiEtaIndexInModuleFromTRUIndex(itru4,static_cast(max4[1]),static_cast(max4[2]),f4x4CrystalPhi,f4x4CrystalEta,geom) ; //Transform digit amplitude in Raw Samples fADCValuesHigh4x4 = new Int_t[nTimeBins]; fADCValuesLow4x4 = new Int_t[nTimeBins]; phos->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("PHOS_JetLPt_L1") ; break; } } //SetL1 High for(Int_t i = 0 ; i < nTimeBins ; i++){ if(fADCValuesHigh4x4[i] >= fL1JetHighPtThreshold || fADCValuesLow4x4[i] >= fL1JetHighPtThreshold){ SetInput("PHOS_JetHPt_L1") ; break; } } // for(Int_t i = 0 ; i < 256 ; i++) // if(fADCValuesLow4x4[i]!=0||fADCValuesHigh4x4[i]!=0) // cout<< "4x4 Time Bin "<GetRunLoader(); //Getter AliPHOSGetter * gime = AliPHOSGetter::Instance( rl->GetFileName() ) ; //AliPHOSGetter * gime = AliPHOSGetter::Instance() ; //Get Geometry const AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; //Define parameters Int_t nModules = geom->GetNModules(); //Intialize data members each time the trigger is called in event loop f2x2MaxAmp = -1; f2x2CrystalPhi = -1; f2x2CrystalEta = -1; f4x4MaxAmp = -1; f4x4CrystalPhi = -1; f4x4CrystalEta = -1; //Take the digits list if simulation if(fSimulation) fDigitsList = gime->Digits() ; if(!fDigitsList) AliFatal("Digits not found !") ; //Fill TRU Matrix TClonesArray * amptrus = new TClonesArray("TMatrixD",1000); TClonesArray * timeRtrus = new TClonesArray("TMatrixD",1000); FillTRU(fDigitsList,geom,amptrus, timeRtrus) ; //Do Crystal 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,fNTRU) ; TMatrixD * ampmax4 = new TMatrixD(4,fNTRU) ; for(Int_t imod = 1 ; imod <= nModules ; imod++) { //Do 2x2 and 4x4 sums, select maximums. MakeSlidingCell(amptrus, timeRtrus, imod, ampmax2, ampmax4, geom); //Set the trigger SetTriggers(imod,ampmax2,ampmax4, geom) ; } }