2 //THIS Also includes summing ALL cells in the jetcone towards the jet energy NOT just those above threshold!!!!!
5 /**************************************************************************
6 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
8 * Author: The ALICE Off-line Project. *
9 * Contributors are mentioned in the code where appropriate. *
11 * Permission to use, copy, modify and distribute this software and its *
12 * documentation strictly for non-commercial purposes is hereby granted *
13 * without fee, provided that the above copyright notice appears in all *
14 * copies and that both the copyright notice and this permission notice *
15 * appear in the supporting documentation. The authors make no claims *
16 * about the suitability of this software for any purpose. It is *
17 * provided "as is" without express or implied warranty. *
18 **************************************************************************/
23 Revision 1.6 2003/10/28 13:54:30 schutz
24 Compilation warnings fixed
26 Revision 1.5 2003/09/23 13:31:41 mhorner
27 Changed coordinate system
29 Revision 1.4 2003/09/19 13:16:20 mhorner
30 Added additional jet energy info
33 Revision 1.3 2003/09/04 12:49:56 mhorner
34 Changed hadron correction and added saving EMCAL and track contributions
39 //*--Author: Sarah Blyth (LBL)
40 //*--Based on UA1 jet algorithm from LUND JETSET called from EMC-erj
43 #include "AliEMCALJetFinderInput.h"
44 #include "AliEMCALJetFinderOutput.h"
45 #include "AliEMCALJetFinderAlgo.h"
46 #include "AliEMCALJetFinderAlgoOmni.h"
47 #include "AliEMCALJetFinderAlgoUA1Unit.h"
48 #include "AliEMCALGeometry.h"
50 #include "AliEMCALDigit.h"
51 #include "TParticle.h"
53 #include "AliEMCALJet.h"
57 ClassImp(AliEMCALJetFinderAlgoOmni)
59 AliEMCALJetFinderAlgoOmni::AliEMCALJetFinderAlgoOmni()
62 if (fDebug>0) Info("AliEMCALJetFinderAlgoOmni","Beginning Default Constructor");
65 fNumUnits = 13824; //Number of towers in EMCAL
66 fESeed = 5.0; //Default value
67 fConeRad = 0.3; //Default value
68 fJetEMin = 10.0; //Default value
69 fEtMin = 0.0; //Default value
70 fMinMove = 0.05; //From original UA1 JetFinder
71 fMaxMove = 0.15; //From original UA1 JetFinder
72 fBGMaxMove = 0.035; //From original UA1 JetFinder
75 fEBGTotal = 1.0; //Set to 1 so that no div by zero in first FindJets() loop
93 fRad = 2.0; //Set to 2 to start
96 fArrayInitialised = 0; //Set to FALSE to start
97 fBGType = kRatio; //Set Ratio method as default BG subtraction method
98 fBGPar = -1.0; //Set to 1 to start
101 AliEMCALJetFinderAlgoOmni::~AliEMCALJetFinderAlgoOmni()
104 if (fDebug>0) Info("AliEMCALJetFinderAlgoOmni","Beginning Destructor");
106 delete[] fUnitNoCuts;
109 void AliEMCALJetFinderAlgoOmni::SetJetFindingParameters
110 (Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin,
111 Float_t minMove, Float_t maxMove, Float_t bgMaxMove)
113 //Sets parameters for the JetFinding algorithm
114 if (fDebug>1) Info("SetJetFindingParameters","Setting parameters for JetFinding");
116 SetNumUnits(numUnits);
123 SetBGMaxMove(bgMaxMove);
126 void AliEMCALJetFinderAlgoOmni::SetJetFindingParameters
127 (Int_t numUnits, Float_t eSeed, Float_t coneRad, Float_t jetEMin, Float_t etMin)
129 //Sets fewer parameters for the JetFinding algorithm
130 if (fDebug>1) Info("SetJetFindingParameters","Setting parameters for JetFinding");
132 SetNumUnits(numUnits);
137 SetMinMove(fMinMove);
138 SetMaxMove(fMaxMove);
139 SetBGMaxMove(fBGMaxMove);
142 void AliEMCALJetFinderAlgoOmni::InitUnitArray()
144 //Initialises unit arrays
145 if(fArrayInitialised) delete[] fUnit;
146 fUnit = new AliEMCALJetFinderAlgoUA1Unit[fNumUnits];
147 fUnitNoCuts = new AliEMCALJetFinderAlgoUA1Unit[fNumUnits];
148 fArrayInitialised = 1;
151 void AliEMCALJetFinderAlgoOmni::FillUnitArray(AliEMCALJetFinderAlgoUA1FillUnitFlagType_t flag)
153 // Fill the unit array
154 if (fDebug>1) Info("FillUnitArray","Beginning FillUnitArray");
155 // AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL");
157 // AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), "");
160 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance("EMCAL_5655_21", "");
163 AliEMCALJetFinderAlgoUA1FillUnitFlagType_t option = flag;
164 Int_t numTracks, numDigits;
166 //Loops over all elements in the AliEMCALJetFinderAlgoUA1Unit array and
167 //fills the objects with relevant values from the Data Input object
168 if (fDebug>10) Info("FillUnitArray","Filling array with Unit objects");
169 if (fDebug>15) Info("FillUnitArray","NTracks %i NDigits %i",fInputPointer->GetNTracks(),fInputPointer->GetNDigits());
170 numTracks = fInputPointer->GetNTracks();
171 numDigits = fInputPointer->GetNDigits();
173 AliEMCALDigit *myDigit;
175 //Fill units with Track info if appropriate
176 if(option==kFillTracksOnly || option ==kFillAll)
178 for(Int_t j=0; j<numTracks; j++)
180 myPart = fInputPointer->GetTrack(j);
181 Float_t eta = myPart->Eta();
182 Float_t phi = myPart->Phi();
183 Int_t towerID = geom->TowerIndexFromEtaPhi(eta,180.0/TMath::Pi()*phi);
184 Float_t pT = myPart->Pt();
185 Float_t unitEnergy = fUnit[towerID-1].GetUnitEnergy();
186 Float_t unitEnergyNoCuts = fUnitNoCuts[towerID-1].GetUnitEnergy();
189 //OLD WAY: //Do Hadron Correction
192 Double_t fullP = myPart->P();
193 Double_t hCEnergy = fHadCorr->GetEnergy(fullP, (Double_t)eta);
194 unitEnergy -= hCEnergy*TMath::Sin(myPart->Theta());
195 unitEnergyNoCuts -= hCEnergy*TMath::Sin(myPart->Theta());
196 fUnit[towerID-1].SetUnitEnergy(unitEnergy);
197 fUnitNoCuts[towerID-1].SetUnitEnergy(unitEnergyNoCuts);
198 } //end Hadron Correction loop
202 //Do Hadron Correction with propagate phi for the track
207 TParticlePDG *pdg = myPart->GetPDG();
208 if(pdg->Charge() < 0)
210 deltaPhi = PropagatePhi(myPart->Pt(), -1.0, curl);
213 deltaPhi = PropagatePhi(myPart->Pt(), 1.0, curl);
216 //Get new tower id for cell that track would curve into
218 if(phi>(TMath::Pi()/180.0)*geom->GetArm1PhiMax() || phi<(TMath::Pi()/180.0)*geom->GetArm1PhiMin())
223 towerID2 = geom->TowerIndexFromEtaPhi(eta,180.0/TMath::Pi()*phi);
228 //Find unit energy of new tower
229 Float_t unitEnergy2 = fUnit[towerID2-1].GetUnitEnergy();
230 Float_t unitEnergy2NoCuts = fUnitNoCuts[towerID2-1].GetUnitEnergy();
231 Double_t fullP = myPart->P();
232 Double_t hCEnergy = fHadCorr->GetEnergy(fullP, (Double_t)eta);
233 unitEnergy2 -= hCEnergy*TMath::Sin(myPart->Theta());
234 unitEnergy2NoCuts -= hCEnergy*TMath::Sin(myPart->Theta());
235 fUnit[towerID2-1].SetUnitEnergy(unitEnergy2);
236 fUnitNoCuts[towerID2-1].SetUnitEnergy(unitEnergy2NoCuts);
237 }//end if for towerID2
238 }//end Hadron Correction loop
241 fUnitNoCuts[towerID-1].SetUnitEnergy(unitEnergyNoCuts + pT);
242 //Do Pt cut on tracks
243 if(fPtCut != 0 && pT < fPtCut) continue;
245 fUnit[towerID-1].SetUnitEnergy(unitEnergy+pT);
248 }//end Tracks condition
251 //Fill units with Digit info if appropriate
252 if(option ==kFillDigitsOnly || option ==kFillAll)
254 for(Int_t k=0; k<numDigits; k++)
256 myDigit = fInputPointer->GetDigit(k);
257 if (fDebug>10) Info("FillUnitArray","getting digits %i %i numdigits",k,numDigits );
258 Int_t towerID = myDigit->GetId();
259 Int_t amplitude = myDigit->GetAmp(); //Gets the integer valued amplitude of the digit
260 Float_t amp = (Float_t)amplitude; //Need to typecast to Float_t before doing real energy conversion
261 Float_t digitEnergy = amp/10000000.0; //Factor of 10 million needed to convert!
262 Float_t unitEnergy = fUnit[towerID-1].GetUnitEnergy() + digitEnergy;
263 Float_t unitEnergyNoCuts = fUnitNoCuts[towerID-1].GetUnitEnergy() + digitEnergy;
264 fUnit[towerID-1].SetUnitEnergy(unitEnergy);
265 fUnitNoCuts[towerID-1].SetUnitEnergy(unitEnergyNoCuts);
267 }//end digits condition
269 //Set all unit flags, Eta, Phi
270 for(Int_t i=0; i<fNumUnits; i++)
272 if (fDebug>10) Info("FillUnitArray","Setting all units outside jets");
273 //Set all units to be outside a jet initially
274 fUnit[i].SetUnitFlag(kOutJet);
275 fUnit[i].SetUnitID(i+1);
278 geom->EtaPhiFromIndex(fUnit[i].GetUnitID(), eta, phi);
279 fUnit[i].SetUnitEta(eta);
280 fUnit[i].SetUnitPhi(phi*TMath::Pi()/180.0);
281 //Set all units to be outside a jet initially
282 fUnitNoCuts[i].SetUnitFlag(kOutJet);
283 fUnitNoCuts[i].SetUnitID(i+1);
286 geom->EtaPhiFromIndex(fUnitNoCuts[i].GetUnitID(), eta, phi);
287 fUnitNoCuts[i].SetUnitEta(eta);
288 fUnitNoCuts[i].SetUnitPhi(phi*TMath::Pi()/180.0);
289 // if(i>13000) cout<<"!!!!!!!!!!!!!!!!!For unit0, eta="<<eta<<" and phi="<<phi*TMath::Pi()/180.0<<" and ID="<<fUnit[i].GetUnitID()<<endl;
290 // 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;
291 }//end loop over all units in array (same as all towers in EMCAL)
295 void AliEMCALJetFinderAlgoOmni::Sort(AliEMCALJetFinderAlgoUA1Unit *unit, Int_t length)
297 //Calls the recursive quicksort method to sort unit objects in decending order of Energy
298 if (fDebug>1) Info("Sort","Sorting Unit objects");
299 QS(unit, 0, length-1);
303 void AliEMCALJetFinderAlgoOmni::QS(AliEMCALJetFinderAlgoUA1Unit *unit, Int_t left, Int_t right)
305 //Sorts the AliEMCALJetFinderAlgoUA1Unit objects in decending order of Energy
306 if (fDebug>111) Info("QS","QuickSorting Unit objects");
310 AliEMCALJetFinderAlgoUA1Unit unitFirst;
311 AliEMCALJetFinderAlgoUA1Unit unitSecond;
315 unitFirst = unit[(left+right)/2];
319 while( (unit[i].GetUnitEnergy() > unitFirst.GetUnitEnergy()) && (i < right)) i++;
320 while( (unitFirst.GetUnitEnergy() > unit[j].GetUnitEnergy()) && (j > left)) j--;
324 unitSecond = unit[i];
326 unit[j] = unitSecond;
332 if(left < j) QS(unit, left, j);
333 if(i < right) QS(unit, i, right);
337 void AliEMCALJetFinderAlgoOmni::FindBG()
339 if(fBGType == kRatio) RatioBG();
340 else if(fBGType == kCone) ConeBG();
341 else if(fBGType == kConstant) ConstantBG();
344 void AliEMCALJetFinderAlgoOmni::RatioBG()
346 //Finds the background energy for the iteration
347 //using the Ratio method
348 if (fDebug>1) Info("FindBG","Finding Average Background");
349 //Store BGEperCell from previous iteration!
350 fEBGTotalOld = fEBGTotal;
354 //If user has not set fBGPar, set it to the default
355 //for TPC = 90% efficiency, PtCut = 2GeV/c, timecut = 30ns
356 if(fBGPar == -1) fBGPar = 0.4685;
358 //Loop over all unit objects in the Unit array and link to same
359 //unit ID in NoCuts Unit array
360 for(Int_t i=0; i<fNumUnits; i++)
362 if(fUnit[i].GetUnitFlag() != kInJet)
364 Int_t id = fUnit[i].GetUnitID();
365 fEBGTotal += fUnitNoCuts[id-1].GetUnitEnergy();
371 fEBGAve = fEBGTotal / (fNumUnits - numCone);
372 if (fDebug>5) Info("FindBG","Average BG is %f: ",fEBGAve);
374 for(Int_t count=0; count<fNumUnits;count++)
376 fUnit[count].SetUnitFlag(kOutJet);
380 void AliEMCALJetFinderAlgoOmni::ConeBG()
382 //Finds the background energy for the iteration
383 //using all energy not contained inside a jet
384 if (fDebug>1) Info("FindBG","Finding Average Background");
385 //Store old value of BGEperCell!
386 fEBGTotalOld = fEBGTotal;
390 //Loop over all unit objects in the array and sum the energy of those not in a jet
391 for(Int_t i=0; i<fNumUnits; i++)
393 if(fUnit[i].GetUnitFlag() != kInJet)
394 fEBGTotal += fUnit[i].GetUnitEnergy();
398 fEBGAve = fEBGTotal / (fNumUnits - numCone);
399 if (fDebug>5) Info("FindBG","Average BG is %f: ",fEBGAve);
401 for(Int_t count=0; count<fNumUnits;count++)
403 fUnit[count].SetUnitFlag(kOutJet);
407 void AliEMCALJetFinderAlgoOmni::ConstantBG()
409 //Finds the background energy for the iteration
410 //using all energy not contained inside a jet
411 if (fDebug>1) Info("FindBG","Finding Average Background");
413 //If user has not set fBGPar, set it to the default
414 //for TPC = 90% efficiency, PtCut = 2GeV/c, timecut = 30ns
415 if(fBGPar == -1) fBGPar = 0.03378;
418 if (fDebug>5) Info("FindBG","Average BG is %f: ",fEBGAve);
422 for(Int_t count=0; count<fNumUnits;count++)
424 if(fUnit[count].GetUnitFlag() == kInJet)
428 fUnit[count].SetUnitFlag(kOutJet);
430 fEBGTotal = fEBGAve * (fNumUnits-numCone);
431 fEBGTotalOld = fEBGTotal;
434 void AliEMCALJetFinderAlgoOmni::FindJetEtaPhi(Int_t counter)
436 //Finds the eta and phi of the jet axis
437 if (fDebug>10) Info("FindJetEtaPhi","Finding Jet Eta and Phi");
439 fDEta = fUnit[counter].GetUnitEta() - fEtaInit;
440 fDPhi = fUnit[counter].GetUnitPhi() - fPhiInit;
442 fEnergy = fUnit[counter].GetUnitEnergy() - fEBGAve;
443 fJetEtaSum += fEnergy * fDEta;
444 fJetPhiSum += fEnergy * fDPhi;
446 fJetEta = fEtaInit + (fJetEtaSum / fJetESum);
447 fJetPhi = fPhiInit + (fJetPhiSum / fJetESum);
451 void AliEMCALJetFinderAlgoOmni::FindJetEnergy()
453 //Finds the energy of the jet after the final axis has been found
454 if (fDebug>1) Info("FindJetEnergy","Finding Jet Energy");
456 for(Int_t i=0; i<fNumUnits; i++)
458 //Loop over all unit objects in the array and find if within cone radius
459 Float_t dEta = fUnit[i].GetUnitEta() - fJetEta;
460 Float_t dPhi = fUnit[i].GetUnitPhi() - fJetPhi;
461 Float_t rad = TMath::Sqrt( (dEta*dEta) + (dPhi*dPhi) );
463 if(fUnit[i].GetUnitFlag()==kOutJet && rad<= fConeRad)
465 fUnit[i].SetUnitFlag(kInCurrentJet);
466 Float_t energy = fUnit[i].GetUnitEnergy() - fEBGAve;
468 fJetEtaSum += energy * dEta;
469 fJetPhiSum += energy * dPhi;
470 fNumInCone++; //Increment the number of cells in the jet cone
476 void AliEMCALJetFinderAlgoOmni::StoreJetInfo()
478 //Stores the resulting jet information in appropriate storage structure (TO BE DECIDED!!!!)
479 if (fDebug>1) Info("StoreJetInfo","Storing Jet Information");
480 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance("EMCAL_5655_21", "");
482 //fJetESum is the final jet energy (background has been subtracted)
483 //fJetEta is the final jet Eta
484 //fJetPhi is the final jet Phi
485 //fNumInCone is the final number of cells included in the jet cone
486 //fEtaInit is the eta of the initiator cell
487 //fPhiInit is the phi of the initiator cell
488 fJet.SetEnergy(fJetESum);
489 fJet.SetEta(fJetEta);
490 fJet.SetPhi(fJetPhi);
492 cout<<"For iteration "<<fNumIter <<" and Jet number " <<fNumJets <<endl;
493 cout<<"The jet energy is: " <<fJetESum <<endl;
494 cout<<"The jet eta is ---->" <<fJetEta <<endl;
495 cout<<"The jet phi is ---->" <<fJetPhi <<endl;
497 Int_t numberTracks = fInputPointer->GetNTracks();
498 Int_t numberDigits = fInputPointer->GetNDigits();
501 Int_t numTracksInCone = 0;
502 Float_t trackEnergy = 0.0;
503 Float_t trackEnergyPtCut =0.0;
504 Float_t emcalEnergy = 0.0;
505 Float_t emcalEnergyBGSub = 0.0;
507 for(Int_t counter=0; counter<numberTracks; counter++)
509 myP = fInputPointer->GetTrack(counter);
510 Float_t eta = myP->Eta();
511 Float_t phi = myP->Phi();
512 Float_t deta = fJetEta-eta;
513 Float_t dphi = fJetPhi -phi;
514 Float_t rad = TMath::Sqrt( (deta*deta) + (dphi*dphi));
515 if(rad<=fConeRad) numTracksInCone++;
518 Float_t *pTArray = new Float_t[numTracksInCone];
519 Float_t *etaArray = new Float_t[numTracksInCone];
520 Float_t *phiArray = new Float_t[numTracksInCone];
521 Int_t *pdgArray = new Int_t[numTracksInCone];
524 for(Int_t counter2=0; counter2<numberTracks; counter2++)
526 myP = fInputPointer->GetTrack(counter2);
527 Float_t eta = myP->Eta();
528 Float_t phi = myP->Phi();
529 Float_t deta = fJetEta-eta;
530 Float_t dphi = fJetPhi -phi;
531 Float_t rad = TMath::Sqrt( (deta*deta) + (dphi*dphi));
534 pTArray[index] = myP->Pt();
535 //Calculate track contribution within jetcone
536 trackEnergy += myP->Pt();
537 if(myP->Pt() >= fPtCut) trackEnergyPtCut += myP->Pt();
538 etaArray[index] = eta;
539 phiArray[index] = phi;
540 pdgArray[index] = myP->GetPdgCode();
544 Double_t fullP = myP->P();
545 Double_t hCEnergy = fHadCorr->GetEnergy(fullP, (Double_t)eta);
546 emcalEnergy -= hCEnergy*TMath::Sin(myP->Theta());
547 emcalEnergyBGSub -= hCEnergy*TMath::Sin(myP->Theta());
548 } //end Hadron Correction loop
553 //Loop over digits to find EMCal contribution within jetcone
554 for(Int_t counter3=0; counter3<numberDigits; counter3++)
556 myD = fInputPointer->GetDigit(counter3);
557 //GET DIGIT ETA, PHI so that can check if inside R!
560 Int_t iID = myD->GetId();
561 geom->EtaPhiFromIndex(iID, eta, phi);
562 Float_t deta = fJetEta-eta;
563 Float_t dphi = fJetPhi -(TMath::Pi()/180.0)*phi;
564 Float_t rad = TMath::Sqrt( (deta*deta) + (dphi*dphi));
567 Int_t amplitude = myD->GetAmp(); //Gets the integer valued amplitude of the digit
568 Float_t amp = (Float_t)amplitude; //Need to typecast to Float_t before doing real energy conversion
569 Float_t digitEnergy = amp/10000000.0; //Factor of 10 million needed to convert!
570 emcalEnergy += digitEnergy;
571 emcalEnergyBGSub += (digitEnergy - fEBGAve);
576 fJet.SetTrackList(numTracksInCone,pTArray, etaArray, phiArray, pdgArray);
577 fJet.SetEMCALEnergy(emcalEnergy);
578 fJet.SetEMCALEnergyBGSub(emcalEnergyBGSub);
579 fJet.SetTrackEnergy(trackEnergy);
580 fJet.SetTrackEnergyPtCut(trackEnergyPtCut);
581 fOutputObject.AddJet(&fJet);
589 void AliEMCALJetFinderAlgoOmni::FindJets()
591 //Runs the complete UA1 JetFinding algorithm to find jets!
592 if (fDebug>1) Info("FindJets","Starting Jet Finding!!!");
594 //If the array of JetFinderUnit objects has not been initialised then initialise with default settings
595 if(!fArrayInitialised)
598 FillUnitArray(kFillAll);
600 if (fDebug>1) Info("FindJets","Unit array filled");
602 //Step 1. Sort the array in descending order of Energy
603 Sort(fUnit,fNumUnits);
605 //Step 2. Set the number of iterations and Number of jets found to zero to start
609 //Step 3. Begin the iteration loop to find jets
610 //Need to iterate the algorithm while number of iterations<2 OR number of iterations<10 AND
611 //the value of the average background has changed more than specified amount
612 //Min iterations = 2, Max iterations = 10
613 //while(fNumIter<2 || (fNumIter <10 && ( (fEBGTotal-fEBGTotalOld)/fEBGTotal) > fBGMaxMove) )
615 while(fNumIter<2 || (fNumIter <10 && ( fEBGTotal-fEBGTotalOld) > fEBGTotal*fBGMaxMove) )
617 if (fDebug>1) Info("FindJets","Starting BIG iteration ---> %i",fNumIter);
619 //Step 4. Find the value of the average background energy
621 fOutputObject.Reset(kResetJets); //Reset output object to store info for new iteration
624 //Loop over the array of unit objects and flag those with energy below MinCellEt
626 for(Int_t j=0; j<fNumUnits; j++)
628 if( (fUnit[j].GetUnitEnergy()-fEBGAve) < fEtMin)
630 // fUnit[j].SetUnitFlag(kBelowMinEt); TAKING OUT kBelow flag
634 //cout<<"THERE WERE "<<numbelow<<" units with E <EtMin!!!!!!!!!!!!!!!"<<endl;
636 //Do quick check if there are no jets upfront
637 // if(fUnit[0].GetUnitFlag() == kBelowMinEt)
638 if( (fUnit[0].GetUnitEnergy()-fEBGAve) < fEtMin)
640 cout <<"There are no jets for this event!" <<endl;
644 //Step 5. Begin with the first jet candidate cell (JET SEED LOOP)
645 if (fDebug>5) Info("FindJets","Beginning JET SEED LOOP");
646 for(Int_t count=0; count<fNumUnits; count++)
649 //CHECK CONDITION HERE _ NOT SURE IF SHOULD MAYBE BE: GetUnitEnergy()-fEBGAve >fESeed?????????????????????????????
650 if(fUnit[count].GetUnitEnergy()>=fESeed && fUnit[count].GetUnitFlag()==kOutJet)
652 fEnergy = fUnit[count].GetUnitEnergy() - fEBGAve;
653 fJetEta = fUnit[count].GetUnitEta();
654 fJetPhi = fUnit[count].GetUnitPhi();
655 Int_t seedID = fUnit[count].GetUnitID();
656 if (fDebug>5) Info("FindJets","Inside first candidate jet seed loop for time : %i", count);
657 if (fDebug>5) Info("FindJets","Found candidate energy %f ",fEnergy);
658 if (fDebug>5) Info("FindJets","Found candidate eta %f ", fJetEta);
659 if (fDebug>5) Info("FindJets","Found candidate phi %f ", fJetPhi);
660 if (fDebug>5) Info("FindJets","Found candidate ID %i", seedID);
670 //Step 6. Find Jet Eta and Phi
671 //Loop over all units in the array to find the ones in the jet cone and determine contrib to Jet eta, phi
674 for(Int_t count1=0; count1<fNumUnits; count1++)
676 if(fUnit[count1].GetUnitID() == seedID) continue; //skip unit if the jetseed to avoid doublecounting
677 if(fUnit[count1].GetUnitFlag() == kOutJet)
679 fDEta = fUnit[count1].GetUnitEta() - fJetEta;
680 fDPhi = fUnit[count1].GetUnitPhi() - fJetPhi;
681 fRad = TMath::Sqrt( (fDEta*fDEta) + (fDPhi*fDPhi) );
684 FindJetEtaPhi(count1);
687 }//end for (Jet Eta, Phi LOOP)
689 //Find the distance cone centre moved from previous cone centre
690 if (fDebug>10) Info("FindJets","Checking if cone move small enough");
691 fDistP = TMath::Sqrt( ((fJetEta-fEtaB)*(fJetEta-fEtaB)) + ((fJetPhi-fPhiB)*(fJetPhi-fPhiB)) );
692 // if(fDistP <= fMinMove) break;
695 //Find the distance cone centre is from initiator cell
696 if (fDebug>10) Info("FindJets","Checking if cone move too large");
697 fDistI = TMath::Sqrt( ((fJetEtaSum/fJetESum)*(fJetEtaSum/fJetESum)) + ((fJetPhiSum/fJetESum)*
698 (fJetPhiSum/fJetESum)));
700 if(fDistP>fMinMove && fDistI<fMaxMove)
706 }while(fDistP>fMinMove && fDistI<fMaxMove);
712 //Step 7. Find the Jet Energy
713 if (fDebug>1) Info("FindJets","Looking for Jet energy");
720 //cout<<"Number of cells in jet cone is: "<<fNumInCone<<endl;
722 //Step 8. Check if the jet is a valid jet
723 //Check if cluster energy is above Min allowed to be a jet
724 //DID NOT DO THE COSH COMPARISON HERE -> NEED TO CHECK WHICH COMPARISON IS BEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
725 if (fDebug>5) Info("FindJets","Checking cluster is valid jet");
726 if(fJetESum < fJetEMin)
728 for(Int_t count2=0; count2<fNumUnits; count2++)
730 if(fUnit[count2].GetUnitFlag()==kInCurrentJet || fUnit[count2].GetUnitFlag()==kOutJet)
731 fUnit[count2].SetUnitFlag(kOutJet);
733 if (fDebug>10) Info("FindJets","NOT a valid jet cell");
736 for(Int_t count2=0; count2<fNumUnits; count2++)
738 if(fUnit[count2].GetUnitFlag()==kInCurrentJet)
740 // cout<<"Setting unit #"<<count2 <<" to be officially in a jet!"<<endl;
741 fUnit[count2].SetUnitFlag(kInJet);
745 //NEED TO CHECK FINAL WEIRD ITERATION OF ETA AND PHI CHANGES!!!!!!!!!
746 // fJetPhi += fJetPhiSum/fJetESum; //CHECK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
747 // fJetEta += fJetEtaSum/fJetESum; //CHECK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
749 fNumJets++; //Incrementing number of jets found
750 StoreJetInfo(); //Storing jet info
752 }//end if (check cluster above Min Jet Energy)
753 }//end if (Jet Seed condition)
754 }//end (JET SEED LOOP)
756 if (fDebug>5) Info("FindJets","End of BIG iteration number %i",fNumIter);
759 }//end 10 iteration WHILE LOOP