+++ /dev/null
-//SARAH'S REVISED PERSONAL COPY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-//BASED ON UA1REVISED BUT WITH UPFRONT BG SUBTRACTION!!!!
-
-
-/**************************************************************************
- * 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. *
- **************************************************************************/
-
-/* $Id$ */
-
-//*--Author: Sarah Blyth (LBL)
-//*--Based on UA1 jet algorithm from LUND JETSET called from EMC-erj
-
-#include "TTask.h"
-#include "AliEMCALJetFinderInput.h"
-#include "AliEMCALJetFinderOutput.h"
-#include "AliEMCALJetFinderAlgo.h"
-#include "AliEMCALJetFinderAlgoUA1BG.h"
-#include "AliEMCALJetFinderAlgoUA1Unit.h"
-#include "AliEMCALGeometry.h"
-#include "AliEMCAL.h"
-#include "AliEMCALDigit.h"
-#include "TParticle.h"
-#include "AliRun.h"
-#include "AliEMCALJet.h"
-#include "TMath.h"
-
-
-ClassImp(AliEMCALJetFinderAlgoUA1BG)
-
- AliEMCALJetFinderAlgoUA1BG::AliEMCALJetFinderAlgoUA1BG()
-{
- //Default constructor
-if (fDebug>0) Info("AliEMCALJetFinderAlgoUA1BG","Beginning Default Constructor");
-
- fNumIter = 0;
- fNumUnits = 13824; //Number of towers in EMCAL
- fESeed = 5.0; //Default value
- fConeRad = 0.5; //Default value
- fJetEMin = 10.0; //Default value
- fEtMin = 0.28; //Default value
- fMinMove = 0.05; //From original UA1 JetFinder
- fMaxMove = 0.15; //From original UA1 JetFinder
- fBGMaxMove = 0.035; //From original UA1 JetFinder
- fPtCut = 0;
- fHadCorr = 0;
- fEBGTotal = 1.0; //Set to 1 so that no div by zero in first FindJets() loop
- fEBGTotalOld = 0.0;
- fEBGAve = 0.0;
- fEnergy = 0.0;
- fJetEta = 0.0;
- fJetPhi = 0.0;
- fEtaInit = 0.0;
- fPhiInit = 0.0;
- fEtaB = 0.0;
- fPhiB = 0.0;
- fJetESum = 0.0;
- fJetEtaSum = 0.0;
- fJetPhiSum = 0.0;
- fDEta = 0.0;
- fDPhi = 0.0;
- fDistP = 0.0;
- fDistI = 0.0;
- fTempE = 0.0;
- fRad = 2.0; //Set to 2 to start
- fNumInCone = 0;
- fNumJets = 0;
- fArrayInitialised = 0; //Set to FALSE to start
-}
-
- AliEMCALJetFinderAlgoUA1BG::~AliEMCALJetFinderAlgoUA1BG()
- {
- //Destructor
- if (fDebug>0) Info("AliEMCALJetFinderAlgoUA1BG","Beginning Destructor");
- delete[] fUnit;
- }
-
- void AliEMCALJetFinderAlgoUA1BG::SetJetFindingParameters
- (Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin,
- Float_t minMove, Float_t maxMove, Float_t bgMaxMove)
- {
- //Sets parameters for the JetFinding algorithm
- if (fDebug>1) Info("SetJetFindingParameters","Setting parameters for JetFinding");
-
- SetNumUnits(numUnits);
- SetJetESeed(eSeed);
- SetConeRad(coneRad);
- SetJetEMin(jetEMin);
- SetEtMin(etMin);
- SetMinMove(minMove);
- SetMaxMove(maxMove);
- SetBGMaxMove(bgMaxMove);
- }
-
- void AliEMCALJetFinderAlgoUA1BG::SetJetFindingParameters
- (Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin)
- {
- //Sets fewer parameters for the JetFinding algorithm
- if (fDebug>1) Info("SetJetFindingParameters","Setting parameters for JetFinding");
-
- SetNumUnits(numUnits);
- SetJetESeed(eSeed);
- SetConeRad(coneRad);
- SetJetEMin(jetEMin);
- SetEtMin(etMin);
- SetMinMove(fMinMove);
- SetMaxMove(fMaxMove);
- SetBGMaxMove(fBGMaxMove);
- }
-
- void AliEMCALJetFinderAlgoUA1BG::InitUnitArray()
- {
- //Initialises unit array
- if(fArrayInitialised) delete[] fUnit;
- fUnit = new AliEMCALJetFinderAlgoUA1Unit[fNumUnits];
- fArrayInitialised = 1;
- }
-
- void AliEMCALJetFinderAlgoUA1BG::FillUnitArray(AliEMCALJetFinderAlgoUA1FillUnitFlagType_t flag)
- {
- if (fDebug>1) Info("FillUnitArray","Beginning FillUnitArray");
- AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL");
-
- // if (pEMCAL){
- // AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), "");
- // }else
- // {
- AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance("EMCAL_5655_21", "");
- // }
-
- AliEMCALJetFinderAlgoUA1FillUnitFlagType_t option = flag;
- Int_t numTracks, numDigits;
-
- //Loops over all elements in the AliEMCALJetFinderAlgoUA1Unit array and
- //fills the objects with relevant values from the Data Input object
- if (fDebug>1) Info("FillUnitArray","Filling array with Unit objects");
- if (fDebug>1) Info("FillUnitArray","NTracks %i NDigits %i",fInputPointer->GetNTracks(),fInputPointer->GetNDigits());
- numTracks = fInputPointer->GetNTracks();
- numDigits = fInputPointer->GetNDigits();
- TParticle *myPart;
- AliEMCALDigit *myDigit;
-
- //Fill units with Track info if appropriate
- if(option==kFillTracksOnly || option ==kFillAll)
- {
- for(Int_t j=0; j<numTracks; j++)
- {
- myPart = fInputPointer->GetTrack(j);
- Float_t eta = myPart->Eta();
- Float_t phi = myPart->Phi();
- Int_t towerID = geom->TowerIndexFromEtaPhi(eta,180.0/TMath::Pi()*phi);
- Float_t pT = myPart->Pt();
- Float_t unitEnergy = fUnit[towerID-1].GetUnitEnergy();
-
- //Do Hadron Correction
- if(fHadCorr != 0)
- {
- Double_t fullP = myPart->P();
- Double_t hCEnergy = fHadCorr->GetEnergy(fullP, (Double_t)eta);
- unitEnergy -= hCEnergy*TMath::Sin(myPart->Theta());
- fUnit[towerID-1].SetUnitEnergy(unitEnergy);
- } //end Hadron Correction loop
-
- //Do Pt cut on tracks
- if(fPtCut != 0 && pT < fPtCut) continue;
-
- fUnit[towerID-1].SetUnitEnergy(unitEnergy+pT);
-
- }//end tracks loop
- }//end Tracks condition
-
-
- //Fill units with Digit info if appropriate
- if(option ==kFillDigitsOnly || option ==kFillAll)
- {
- for(Int_t k=0; k<numDigits; k++)
- {
- myDigit = fInputPointer->GetDigit(k);
- if (fDebug>1) Info("FillUnitArray","getting digits %i %i numdigits",k,numDigits );
- Int_t towerID = myDigit->GetId();
- Int_t amplitude = myDigit->GetAmp(); //Gets the integer valued amplitude of the digit
- Float_t amp = (Float_t)amplitude; //Need to typecast to Float_t before doing real energy conversion
- Float_t digitEnergy = amp/10000000.0; //Factor of 10 million needed to convert!
- Float_t unitEnergy = fUnit[towerID-1].GetUnitEnergy() + digitEnergy;
- fUnit[towerID-1].SetUnitEnergy(unitEnergy);
-
- }//end digits loop
- }//end digits condition
-
- //NEW BG SUBTRACTION!!!!!!!!!!!!!!!!!!!!
- for(Int_t m=0; m<fNumUnits; m++)
- {
- Float_t prevEnergy = fUnit[m].GetUnitEnergy();
- prevEnergy -= 0.13; //From previous Hijing BG study
- if(prevEnergy < 0) prevEnergy =0.0;
- fUnit[m].SetUnitEnergy(prevEnergy);
- }//end for
-
- //Set all unit flags, Eta, Phi
- for(Int_t i=0; i<fNumUnits; i++)
- {
- if (fDebug>1) Info("FillUnitArray","Setting all units outside jets");
- fUnit[i].SetUnitFlag(kOutJet); //Set all units to be outside a jet initially
- fUnit[i].SetUnitID(i+1);
- Float_t eta;
- Float_t phi;
- geom->EtaPhiFromIndex(fUnit[i].GetUnitID(), eta, phi);
- fUnit[i].SetUnitEta(eta);
- fUnit[i].SetUnitPhi(phi*TMath::Pi()/180.0);
- // if(i>13000) cout<<"!!!!!!!!!!!!!!!!!For unit0, eta="<<eta<<" and phi="<<phi*TMath::Pi()/180.0<<" and ID="<<fUnit[i].GetUnitID()<<endl;
- // if(fUnit[i].GetUnitEnergy()>0) cout<<"Unit ID "<<fUnit[i].GetUnitID() <<"with eta="<<eta<<" and phi="<<phi*TMath::Pi()/180.0<<" has energy="<<fUnit[i].GetUnitEnergy()<<endl;
- }//end loop over all units in array (same as all towers in EMCAL)
- }
-
-
- void AliEMCALJetFinderAlgoUA1BG::Sort(AliEMCALJetFinderAlgoUA1Unit *unit, Int_t length)
- {
- //Calls the recursive quicksort method to sort unit objects in decending order of Energy
- if (fDebug>1) Info("Sort","Sorting Unit objects");
- QS(unit, 0, length-1);
- }
-
-
- void AliEMCALJetFinderAlgoUA1BG::QS(AliEMCALJetFinderAlgoUA1Unit *unit, Int_t left, Int_t right)
- {
- //Sorts the AliEMCALJetFinderAlgoUA1Unit objects in decending order of Energy
- if (fDebug>111) Info("QS","QuickSorting Unit objects");
-
- Int_t i;
- Int_t j;
- AliEMCALJetFinderAlgoUA1Unit unitFirst;
- AliEMCALJetFinderAlgoUA1Unit unitSecond;
-
- i = left;
- j = right;
- unitFirst = unit[(left+right)/2];
-
- do
- {
- while( (unit[i].GetUnitEnergy() > unitFirst.GetUnitEnergy()) && (i < right)) i++;
- while( (unitFirst.GetUnitEnergy() > unit[j].GetUnitEnergy()) && (j > left)) j--;
-
- if(i <= j)
- {
- unitSecond = unit[i];
- unit[i] = unit[j];
- unit[j] = unitSecond;
- i++;
- j--;
- }//end if
- }while(i <= j);
-
- if(left < j) QS(unit, left, j);
- if(i < right) QS(unit, i, right);
- }
-
-
- void AliEMCALJetFinderAlgoUA1BG::FindBG()
- {
- //Finds the background energy for the iteration
- if (fDebug>1) Info("FindBG","Finding Average Background");
-
- fEBGTotal = 0.0;
- Int_t numCone = 0;
-
- //Loop over all unit objects in the array and sum the energy of those not in a jet
- for(Int_t i=0; i<fNumUnits; i++)
- {
- if(fUnit[i].GetUnitFlag() != kInJet)
- fEBGTotal += fUnit[i].GetUnitEnergy();
- else numCone++;
- }//end for
-
- fEBGTotalOld = fEBGTotal;
- fEBGAve = fEBGTotal / (fNumUnits - numCone);
- if (fDebug>5) Info("FindBG","Average BG is %f: ",fEBGAve);
-
- for(Int_t count=0; count<fNumUnits;count++)
- {
- fUnit[count].SetUnitFlag(kOutJet);
- }//end for
- }
-
-
- void AliEMCALJetFinderAlgoUA1BG::FindJetEtaPhi(Int_t counter)
- {
- //Finds the eta and phi of the jet axis
- if (fDebug>1) Info("FindJetEtaPhi","Finding Jet Eta and Phi");
-
- fDEta = fUnit[counter].GetUnitEta() - fEtaInit;
- fDPhi = fUnit[counter].GetUnitPhi() - fPhiInit;
-
- fEnergy = fUnit[counter].GetUnitEnergy() - fEBGAve;
- fJetEtaSum += fEnergy * fDEta;
- fJetPhiSum += fEnergy * fDPhi;
- fJetESum += fEnergy;
- fJetEta = fEtaInit + (fJetEtaSum / fJetESum);
- fJetPhi = fPhiInit + (fJetPhiSum / fJetESum);
- }
-
-
- void AliEMCALJetFinderAlgoUA1BG::FindJetEnergy()
- {
- //Finds the energy of the jet after the final axis has been found
- if (fDebug>1) Info("FindJetEnergy","Finding Jet Energy");
-
- for(Int_t i=0; i<fNumUnits; i++)
- {
- //Loop over all unit objects in the array and find if within cone radius
- Float_t dEta = fUnit[i].GetUnitEta() - fJetEta;
- Float_t dPhi = fUnit[i].GetUnitPhi() - fJetPhi;
- Float_t rad = TMath::Sqrt( (dEta*dEta) + (dPhi*dPhi) );
-
- if(fUnit[i].GetUnitFlag()==kOutJet && rad<= fConeRad)
- {
- fUnit[i].SetUnitFlag(kInCurrentJet);
- Float_t energy = fUnit[i].GetUnitEnergy() - fEBGAve;
- fJetESum += energy;
- fJetEtaSum += energy * dEta;
- fJetPhiSum += energy * dPhi;
- fNumInCone++; //Increment the number of cells in the jet cone
- }//end if
- }//end for
- }
-
-
- void AliEMCALJetFinderAlgoUA1BG::StoreJetInfo()
- {
- //Stores the resulting jet information in appropriate storage structure (TO BE DECIDED!!!!)
- if (fDebug>1) Info("StoreJetInfo","Storing Jet Information");
-
- //Store:
- //fJetESum is the final jet energy (background has been subtracted)
- //fJetEta is the final jet Eta
- //fJetPhi is the final jet Phi
- //fNumInCone is the final number of cells included in the jet cone
- //fEtaInit is the eta of the initiator cell
- //fPhiInit is the phi of the initiator cell
- fJet.SetEnergy(fJetESum);
- fJet.SetEta(fJetEta);
- fJet.SetPhi(fJetPhi);
-
- cout<<"For iteration "<<fNumIter <<" and Jet number " <<fNumJets <<endl;
- cout<<"The jet energy is: " <<fJetESum <<endl;
- cout<<"The jet eta is ---->" <<fJetEta <<endl;
- cout<<"The jet phi is ---->" <<fJetPhi <<endl;
-
- Int_t numberTracks = fInputPointer->GetNTracks();
- TParticle *myP;
- Int_t numTracksInCone = 0;
-
- for(Int_t counter=0; counter<numberTracks; counter++)
- {
- myP = fInputPointer->GetTrack(counter);
- Float_t eta = myP->Eta();
- Float_t phi = myP->Phi();
- Float_t deta = fJetEta-eta;
- Float_t dphi = fJetPhi -phi;
- Float_t rad = TMath::Sqrt( (deta*deta) + (dphi*dphi));
- if(rad<=fConeRad) numTracksInCone++;
- }//end for
-
- Float_t *pTArray = new Float_t[numTracksInCone];
- Float_t *etaArray = new Float_t[numTracksInCone];
- Float_t *phiArray = new Float_t[numTracksInCone];
- Int_t *pdgArray = new Int_t[numTracksInCone];
- Int_t index = 0;
-
- for(Int_t counter2=0; counter2<numberTracks; counter2++)
- {
- myP = fInputPointer->GetTrack(counter2);
- Float_t eta = myP->Eta();
- Float_t phi = myP->Phi();
- Float_t deta = fJetEta-eta;
- Float_t dphi = fJetPhi -phi;
- Float_t rad = TMath::Sqrt( (deta*deta) + (dphi*dphi));
- if(rad<=fConeRad)
- {
- pTArray[index] = myP->Pt();
- etaArray[index] = eta;
- phiArray[index] = phi;
- pdgArray[index] = myP->GetPdgCode();
- index++;
- }//end if
- }//end for
-
- fJet.SetTrackList(numTracksInCone,pTArray, etaArray, phiArray, pdgArray);
- fOutputObject.AddJet(&fJet);
- delete[] pTArray;
- delete[] etaArray;
- delete[] phiArray;
- delete[] pdgArray;
- }
-
-
- void AliEMCALJetFinderAlgoUA1BG::FindJets()
- {
- //Runs the complete UA1 JetFinding algorithm to find jets!
- if (fDebug>1) Info("FindJets","Starting Jet Finding!!!");
-
- //If the array of JetFinderUnit objects has not been initialised then initialise with default settings
- if(!fArrayInitialised)
- {
- InitUnitArray();
- FillUnitArray(kFillAll);
- }//end if
- if (fDebug>1) Info("FindJets","Unit array filled");
-
- //Step 1. Sort the array in descending order of Energy
- Sort(fUnit,fNumUnits);
-
- //Step 2. Set the number of iterations and Number of jets found to zero to start
- fNumIter = 0;
- fNumJets = 0;
-
- //Step 3. Begin the iteration loop to find jets
- //Need to iterate the algorithm while number of iterations<2 OR number of iterations<10 AND
- //the value of the average background has changed more than specified amount
- //Min iterations = 2, Max iterations = 10
- //while(fNumIter<2 || (fNumIter <10 && ( (fEBGTotal-fEBGTotalOld)/fEBGTotal) > fBGMaxMove) )
-
- while(fNumIter<2 || (fNumIter <10 && ( fEBGTotal-fEBGTotalOld) > fEBGTotal*fBGMaxMove) )
- {
- if (fDebug>1) Info("FindJets","Starting BIG iteration ---> %i",fNumIter);
-
- //Step 4. Find the value of the average background energy
- FindBG();
- fOutputObject.Reset(kResetJets); //Reset output object to store info for new iteration
- fNumJets=0;
-
- //Loop over the array of unit objects and flag those with energy below MinCellEt = 0
- Int_t numbelow = 0;
- for(Int_t j=0; j<fNumUnits; j++)
- {
- if( (fUnit[j].GetUnitEnergy()-fEBGAve) <= (fEtMin-0.13))
- {
- fUnit[j].SetUnitFlag(kBelowMinEt);
- numbelow++;
- // if (fDebug>1) Info("FindJets","Below Min Et: %i",j);
- }//end if
- }//end for
-
- //Do quick check if there are no jets upfront
- if(fUnit[0].GetUnitFlag() == kBelowMinEt)
- {
- cout <<"There are no jets for this event!" <<endl;
- break;
- }//end if
-
- //Step 5. Begin with the first jet candidate cell (JET SEED LOOP)
- if (fDebug>5) Info("FindJets","Beginning JET SEED LOOP");
- for(Int_t count=0; count<fNumUnits; count++)
- {
-
-//CHECK CONDITION HERE _ NOT SURE IF SHOULD MAYBE BE: GetUnitEnergy()-fEBGAve >fESeed?????????????????????????????
- if(fUnit[count].GetUnitEnergy()>=fESeed && fUnit[count].GetUnitFlag()==kOutJet)
- {
- fEnergy = fUnit[count].GetUnitEnergy() - fEBGAve;
- fJetEta = fUnit[count].GetUnitEta();
- fJetPhi = fUnit[count].GetUnitPhi();
- Int_t seedID = fUnit[count].GetUnitID();
- if (fDebug>5) Info("FindJets","Inside first candidate jet seed loop for time : %i", count);
- if (fDebug>5) Info("FindJets","Found candidate energy %f ",fEnergy);
- if (fDebug>5) Info("FindJets","Found candidate eta %f ", fJetEta);
- if (fDebug>5) Info("FindJets","Found candidate phi %f ", fJetPhi);
- if (fDebug>5) Info("FindJets","Found candidate ID %i", seedID);
-
- fEtaInit = fJetEta;
- fPhiInit = fJetPhi;
- fEtaB = fJetEta;
- fPhiB = fJetPhi;
- fJetESum = 0.0;
- fJetEtaSum = 0.0;
- fJetPhiSum = 0.0;
-
- //Step 6. Find Jet Eta and Phi
- //Loop over all units in the array to find the ones in the jet cone and determine contrib to Jet eta, phi
- do
- {
- for(Int_t count1=0; count1<fNumUnits; count1++)
- {
- if(fUnit[count1].GetUnitID() == seedID) continue; //skip unit if the jetseed to avoid doublecounting
- if(fUnit[count1].GetUnitFlag() == kOutJet)
- {
- fDEta = fUnit[count1].GetUnitEta() - fJetEta;
- fDPhi = fUnit[count1].GetUnitPhi() - fJetPhi;
- fRad = TMath::Sqrt( (fDEta*fDEta) + (fDPhi*fDPhi) );
- if(fRad <= fConeRad)
- {
- FindJetEtaPhi(count1);
- }//end if
- }//end if
- }//end for (Jet Eta, Phi LOOP)
-
- //Find the distance cone centre moved from previous cone centre
- if (fDebug>10) Info("FindJets","Checking if cone move small enough");
- fDistP = TMath::Sqrt( ((fJetEta-fEtaB)*(fJetEta-fEtaB)) + ((fJetPhi-fPhiB)*(fJetPhi-fPhiB)) );
- // if(fDistP <= fMinMove) break;
-
-
- //Find the distance cone centre is from initiator cell
- if (fDebug>10) Info("FindJets","Checking if cone move too large");
- fDistI = TMath::Sqrt( ((fJetEtaSum/fJetESum)*(fJetEtaSum/fJetESum)) + ((fJetPhiSum/fJetESum)*
- (fJetPhiSum/fJetESum)));
-
- if(fDistP>fMinMove && fDistI<fMaxMove)
- {
- fEtaB = fJetEta;
- fPhiB = fJetPhi;
- }//end if
-
- }while(fDistP>fMinMove && fDistI<fMaxMove);
-
- fJetEta = fEtaB;
- fJetPhi = fPhiB;
-
-
- //Step 7. Find the Jet Energy
- if (fDebug>1) Info("FindJets","Looking for Jet energy");
- fJetESum = 0.0;
- fJetEtaSum = 0.0;
- fJetPhiSum = 0.0;
- fNumInCone = 0;
- FindJetEnergy();
-
- //Step 8. Check if the jet is a valid jet
- //Check if cluster energy is above Min allowed to be a jet
-//DID NOT DO THE COSH COMPARISON HERE -> NEED TO CHECK WHICH COMPARISON IS BEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- if (fDebug>5) Info("FindJets","Checking cluster is valid jet");
- if(fJetESum < fJetEMin)
- {
- for(Int_t count2=0; count2<fNumUnits; count2++)
- {
- if(fUnit[count2].GetUnitFlag()==kInCurrentJet || fUnit[count2].GetUnitFlag()==kOutJet)
- fUnit[count2].SetUnitFlag(kOutJet);
- }//end for
- if (fDebug>10) Info("FindJets","NOT a valid jet cell");
- }else
- {
- for(Int_t count2=0; count2<fNumUnits; count2++)
- {
- if(fUnit[count2].GetUnitFlag()==kInCurrentJet)
- {
- // cout<<"Setting unit #"<<count2 <<" to be officially in a jet!"<<endl;
- fUnit[count2].SetUnitFlag(kInJet);
- }
- }//end for
-
- //NEED TO CHECK FINAL WEIRD ITERATION OF ETA AND PHI CHANGES!!!!!!!!!
- // fJetPhi += fJetPhiSum/fJetESum; //CHECK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- // fJetEta += fJetEtaSum/fJetESum; //CHECK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
- fNumJets++; //Incrementing number of jets found
- StoreJetInfo(); //Storing jet info
-
- }//end if (check cluster above Min Jet Energy)
- }//end if (Jet Seed condition)
- }//end (JET SEED LOOP)
-
-if (fDebug>5) Info("FindJets","End of BIG iteration number %i",fNumIter);
-// this->Dump();
- fNumIter++;
- }//end 10 iteration WHILE LOOP
- }
-
-
-
-
-
-
-
-
-
-
-
+++ /dev/null
-
-#ifndef ALIEMCALJETFINDERALGOUA1BG_H
-#define ALIEMCALJETFINDERALGOUA1BG_H
-
-//THIS IS SARAH'S REVISED UA1 CODE WITH CHANGES FOR ETA/PHI ITERATION INCLUDED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-//INCLUDES BG SUBTRACTION UPFRONT!!!!!
-
-/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * * * See cxx source for full Copyright notice */
-
-/* $Id$ */
-
-//*--Author: Sarah Blyth (LBL)
-//*--Based on UA1 jet algorithm from LUND JETSET called from EMC-erj
-
-
-#include "TTask.h"
-#include "AliEMCALJetFinderInput.h"
-#include "AliEMCALJetFinderOutput.h"
-#include "AliEMCALJetFinderAlgo.h"
-#include "AliEMCALJetFinderAlgoUA1Unit.h"
-#include "AliEMCALJet.h"
-#include "AliEMCALHadronCorrectionv1.h"
-
-
-class AliEMCALJetFinderAlgoUA1BG : public AliEMCALJetFinderAlgo
-{
-
-public:
- AliEMCALJetFinderAlgoUA1BG();
- ~AliEMCALJetFinderAlgoUA1BG();
- void InitUnitArray();
- void SetNumUnits(Int_t numUnits) {fNumUnits = numUnits;}
- Int_t GetNumUnits() {return fNumUnits;}
- void SetJetESeed(Float_t eSeed) {fESeed = eSeed;}
- Float_t GetJetESeed() {return fESeed;}
- void SetConeRad(Float_t coneRad) {fConeRad = coneRad;}
- Float_t GetConeRad() {return fConeRad;}
- void SetJetEMin(Float_t jetEMin) {fJetEMin = jetEMin;}
- Float_t GetJetEMin() {return fJetEMin;}
- void SetEtMin(Float_t etMin) {fEtMin = etMin;}
- Float_t GetEtMin() {return fEtMin;}
- void SetMinMove(Float_t minMove) {fMinMove = minMove;}
- void SetMaxMove(Float_t maxMove) {fMaxMove = maxMove;}
- void SetBGMaxMove(Float_t bgMaxMove) {fBGMaxMove = bgMaxMove;}
- void SetPtCut(Float_t ptCut) {fPtCut = ptCut;}
- Float_t GetPtCut() {return fPtCut;}
- void SetHadronCorrection(AliEMCALHadronCorrectionv1 *hadCorr) {fHadCorr = hadCorr;}
- AliEMCALHadronCorrectionv1* GetHadronCorrection() {return fHadCorr;}
- void SetJetFindingParameters(Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin,
- Float_t minMove, Float_t maxMove, Float_t bgMaxMove);
- void SetJetFindingParameters(Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin);
- void FillUnitArray(AliEMCALJetFinderAlgoUA1FillUnitFlagType_t flag);
- void Sort(AliEMCALJetFinderAlgoUA1Unit* unit,Int_t integer);
- void FindBG();
- void FindJetEtaPhi(Int_t counter);
- void FindJetEnergy();
- void StoreJetInfo();
- void FindJets();
- void QS(AliEMCALJetFinderAlgoUA1Unit *unit, Int_t left, Int_t right);
-
-protected:
- AliEMCALJetFinderAlgoUA1Unit *fUnit; //Array of JetFinder Unit objects (treated as the cells)
- AliEMCALHadronCorrectionv1 *fHadCorr; //Pointer to Hadron Correction Object
- AliEMCALJet fJet; //Jet object
- Int_t fNumIter; //Number of iterations for entire algorithm
- Int_t fNumUnits; //Number of units in the unit object array (same as num towers in EMCAL)
- Float_t fESeed; //Minimum energy a cell must have to be considered a jet seed
- Float_t fConeRad; //Size of cone radius
- Float_t fJetEMin; //Minimum energy a cluster must have to be considered a jet
- Float_t fEtMin; //Minimum cell Et cut
- Float_t fMinMove; //Minimum move of jet centre from its previous position
- Float_t fMaxMove; //Maximum move allowed of jet centre from its initiator cell position
- Float_t fBGMaxMove; //Maximum allowed change in background energy between iterations
- Float_t fPtCut; //Pt cut for tracks to minimise background contribution
-
- Float_t fEBGTotal; //Total background energy
- Float_t fEBGTotalOld; //Old total background energy
- Float_t fEBGAve; //Average background energy
- Float_t fEnergy; //Energy
- Float_t fJetEta; //Jet eta value
- Float_t fJetPhi; //Jet phi value
- Float_t fEtaInit; //Jet initiate cell eta
- Float_t fPhiInit; //Jet initiate cell phi
- Float_t fEtaB; //Value of jet eta Before
- Float_t fPhiB; //Value of jet phi Before
- Float_t fJetESum; //Sum of weighted jet energy
- Float_t fJetEtaSum; //Sum of weighted jet eta
- Float_t fJetPhiSum; //Sum of weighted jet phi
- Float_t fDEta; //Offset of unit from jet eta value
- Float_t fDPhi; //Offset of unit from jet phi value
- Float_t fDistP; //Distance of new jet axis position from Previous position
- Float_t fDistI; //Distance of new jet axis position from Initiator cell position
- Float_t fTempE; //Temp E for comparing with JetEMin
- Float_t fRad; //Distance of cell from jet cone centre
- Int_t fNumInCone; //Number of units in the jet cone
- Int_t fNumJets; //Number of jets in an event
- Bool_t fArrayInitialised; //To check that array of units is initialised
-
- ClassDef(AliEMCALJetFinderAlgoUA1BG,1)
-
-};
-#endif
-
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff