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483b0559 | 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 | **************************************************************************/ | |
173558f2 | 15 | |
483b0559 | 16 | /* $Id$ */ |
803d1ab0 | 17 | |
3a8be91c | 18 | //-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (SUBATECH & Kurchatov Institute) |
ee08edde | 19 | //-- Gustavo Conesa (LPSC-Grenoble), move common clusterizer functionalities to mother class |
483b0559 | 20 | ////////////////////////////////////////////////////////////////////////////// |
21 | // Clusterization class. Performs clusterization (collects neighbouring active cells) and | |
22 | // unfolds the clusters having several local maxima. | |
23 | // Results are stored in TreeR#, branches EMCALTowerRP (EMC recPoints), | |
24 | // EMCALPreShoRP (CPV RecPoints) and AliEMCALClusterizer (Clusterizer with all | |
25 | // parameters including input digits branch title, thresholds etc.) | |
ee08edde | 26 | // |
483b0559 | 27 | |
28 | // --- ROOT system --- | |
29 | ||
e52475ed | 30 | #include <TFile.h> |
e52475ed | 31 | #include <TMath.h> |
32 | #include <TMinuit.h> | |
33 | #include <TTree.h> | |
e52475ed | 34 | #include <TBenchmark.h> |
35 | #include <TBrowser.h> | |
a1e17193 | 36 | #include <TROOT.h> |
ee08edde | 37 | #include <TList.h> |
38 | #include <TClonesArray.h> | |
1d59832c | 39 | |
483b0559 | 40 | // --- Standard library --- |
ee08edde | 41 | #include <cassert> |
173558f2 | 42 | |
483b0559 | 43 | // --- AliRoot header files --- |
ee08edde | 44 | #include "AliLog.h" |
483b0559 | 45 | #include "AliEMCALClusterizerv1.h" |
70a93198 | 46 | #include "AliEMCALRecPoint.h" |
483b0559 | 47 | #include "AliEMCALDigit.h" |
05a92d59 | 48 | #include "AliEMCALGeometry.h" |
40164976 | 49 | #include "AliCaloCalibPedestal.h" |
a435f763 | 50 | #include "AliEMCALCalibData.h" |
ee08edde | 51 | #include "AliESDCaloCluster.h" |
65bec413 | 52 | #include "AliEMCALUnfolding.h" |
483b0559 | 53 | |
54 | ClassImp(AliEMCALClusterizerv1) | |
1963b290 | 55 | |
483b0559 | 56 | //____________________________________________________________________________ |
ee08edde | 57 | AliEMCALClusterizerv1::AliEMCALClusterizerv1(): AliEMCALClusterizer() |
483b0559 | 58 | { |
59 | // ctor with the indication of the file where header Tree and digits Tree are stored | |
60 | ||
62c48b86 | 61 | Init(); |
483b0559 | 62 | } |
05a92d59 | 63 | |
5544799a | 64 | //____________________________________________________________________________ |
65 | AliEMCALClusterizerv1::AliEMCALClusterizerv1(AliEMCALGeometry* geometry) | |
ee08edde | 66 | : AliEMCALClusterizer(geometry) |
5544799a | 67 | { |
68 | // ctor with the indication of the file where header Tree and digits Tree are stored | |
69 | // use this contructor to avoid usage of Init() which uses runloader | |
70 | // change needed by HLT - MP | |
5544799a | 71 | } |
72 | ||
0c5b726e | 73 | //____________________________________________________________________________ |
40164976 | 74 | AliEMCALClusterizerv1::AliEMCALClusterizerv1(AliEMCALGeometry* geometry, AliEMCALCalibData * calib, AliCaloCalibPedestal * caloped) |
ee08edde | 75 | : AliEMCALClusterizer(geometry, calib, caloped) |
0c5b726e | 76 | { |
62c48b86 | 77 | // ctor, geometry and calibration are initialized elsewhere. |
0c5b726e | 78 | } |
79 | ||
483b0559 | 80 | //____________________________________________________________________________ |
81 | AliEMCALClusterizerv1::~AliEMCALClusterizerv1() | |
82 | { | |
ef305168 | 83 | // dtor |
ef305168 | 84 | } |
85 | ||
483b0559 | 86 | //____________________________________________________________________________ |
c47157cd | 87 | void AliEMCALClusterizerv1::Digits2Clusters(Option_t * option) |
483b0559 | 88 | { |
98e9578e | 89 | // Steering method to perform clusterization for the current event |
90 | // in AliEMCALLoader | |
51e4198e | 91 | |
483b0559 | 92 | if(strstr(option,"tim")) |
93 | gBenchmark->Start("EMCALClusterizer"); | |
94 | ||
95 | if(strstr(option,"print")) | |
62c48b86 | 96 | Print(""); |
51e4198e | 97 | |
1bd98442 | 98 | //Get calibration parameters from file or digitizer default values. |
62c48b86 | 99 | GetCalibrationParameters(); |
51e4198e | 100 | |
40164976 | 101 | //Get dead channel map from file or digitizer default values. |
62c48b86 | 102 | GetCaloCalibPedestal(); |
40164976 | 103 | |
98e9578e | 104 | fNumberOfECAClusters = 0; |
51e4198e | 105 | |
62c48b86 | 106 | MakeClusters(); //only the real clusters |
51e4198e | 107 | |
65bec413 | 108 | if(fToUnfold){ |
109 | fClusterUnfolding->SetInput(fNumberOfECAClusters,fRecPoints,fDigitsArr); | |
110 | fClusterUnfolding->MakeUnfolding(); | |
111 | } | |
112 | ||
113 | //Evaluate position, dispersion and other RecPoint properties for EC section | |
62c48b86 | 114 | Int_t index; |
bbac7e6f | 115 | for(index = 0; index < fRecPoints->GetEntries(); index++) { |
51e4198e | 116 | AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)); |
117 | if(rp){ | |
294553d1 | 118 | rp->EvalAll(fECAW0,fDigitsArr,fJustClusters); |
51e4198e | 119 | //For each rec.point set the distance to the nearest bad crystal |
62c48b86 | 120 | if (fCaloPed) |
121 | rp->EvalDistanceToBadChannels(fCaloPed); | |
51e4198e | 122 | } |
123 | else AliFatal("Null rec point in list!"); | |
bbac7e6f | 124 | } |
51e4198e | 125 | |
62c48b86 | 126 | fRecPoints->Sort(); |
51e4198e | 127 | |
bbac7e6f | 128 | for(index = 0; index < fRecPoints->GetEntries(); index++) { |
51e4198e | 129 | AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)); |
130 | if(rp){ | |
62c48b86 | 131 | rp->SetIndexInList(index); |
51e4198e | 132 | rp->Print(); |
133 | } | |
134 | else AliFatal("Null rec point in list!"); | |
bbac7e6f | 135 | } |
51e4198e | 136 | |
62c48b86 | 137 | if (fTreeR) |
138 | fTreeR->Fill(); | |
c47157cd | 139 | |
98e9578e | 140 | if(strstr(option,"deb") || strstr(option,"all")) |
62c48b86 | 141 | PrintRecPoints(option); |
51e4198e | 142 | |
c47157cd | 143 | AliDebug(1,Form("EMCAL Clusterizer found %d Rec Points",fRecPoints->GetEntriesFast())); |
51e4198e | 144 | |
483b0559 | 145 | if(strstr(option,"tim")){ |
146 | gBenchmark->Stop("EMCALClusterizer"); | |
98e9578e | 147 | printf("Exec took %f seconds for Clusterizing", |
51e4198e | 148 | gBenchmark->GetCpuTime("EMCALClusterizer")); |
98e9578e | 149 | } |
483b0559 | 150 | } |
151 | ||
483b0559 | 152 | //____________________________________________________________________________ |
25bb3dcb | 153 | Int_t AliEMCALClusterizerv1::AreNeighbours(AliEMCALDigit * d1, AliEMCALDigit * d2, Bool_t & shared) const |
483b0559 | 154 | { |
62c48b86 | 155 | // Gives the neighbourness of two digits = 0 are not neighbour; continue searching |
c526514b | 156 | // = 1 are neighbour |
157 | // = 2 is in different SM; continue searching | |
158 | // In case it is in different SM, but same phi rack, check if neigbours at eta=0 | |
159 | // neighbours are defined as digits having at least a common side | |
160 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster | |
161 | // which is compared to a digit (d2) not yet in a cluster | |
162 | ||
62c48b86 | 163 | Int_t nSupMod1=0, nModule1=0, nIphi1=0, nIeta1=0, iphi1=0, ieta1=0; |
164 | Int_t nSupMod2=0, nModule2=0, nIphi2=0, nIeta2=0, iphi2=0, ieta2=0; | |
c526514b | 165 | |
166 | shared = kFALSE; | |
167 | ||
168 | fGeom->GetCellIndex(d1->GetId(), nSupMod1,nModule1,nIphi1,nIeta1); | |
169 | fGeom->GetCellIndex(d2->GetId(), nSupMod2,nModule2,nIphi2,nIeta2); | |
170 | fGeom->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, iphi1,ieta1); | |
171 | fGeom->GetCellPhiEtaIndexInSModule(nSupMod2,nModule2,nIphi2,nIeta2, iphi2,ieta2); | |
172 | ||
173 | //If different SM, check if they are in the same phi, then consider cells close to eta=0 as neighbours; May 2010 | |
62c48b86 | 174 | if (nSupMod1 != nSupMod2 ) { |
c526514b | 175 | //Check if the 2 SM are in the same PHI position (0,1), (2,3), ... |
176 | Float_t smPhi1 = fGeom->GetEMCGeometry()->GetPhiCenterOfSM(nSupMod1); | |
177 | Float_t smPhi2 = fGeom->GetEMCGeometry()->GetPhiCenterOfSM(nSupMod2); | |
178 | ||
179 | if(!TMath::AreEqualAbs(smPhi1, smPhi2, 1e-3)) return 2; //Not phi rack equal, not neighbours | |
180 | ||
181 | // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2 | |
182 | // C Side impair SM, nSupMod%2=1; A side pair SM nSupMod%2=0 | |
183 | if(nSupMod1%2) ieta1+=AliEMCALGeoParams::fgkEMCALCols; | |
184 | else ieta2+=AliEMCALGeoParams::fgkEMCALCols; | |
185 | ||
186 | shared = kTRUE; // maybe a shared cluster, we know this later, set it for the moment. | |
62c48b86 | 187 | } //Different SM, same phi |
c526514b | 188 | |
189 | Int_t rowdiff = TMath::Abs(iphi1 - iphi2); | |
62c48b86 | 190 | Int_t coldiff = TMath::Abs(ieta1 - ieta2); |
c526514b | 191 | |
192 | // neighbours with at least common side; May 11, 2007 | |
193 | if ((coldiff==0 && TMath::Abs(rowdiff)==1) || (rowdiff==0 && TMath::Abs(coldiff)==1)) { | |
194 | //Diagonal? | |
195 | //if ((coldiff==0 && TMath::Abs(rowdiff==1)) || (rowdiff==0 && TMath::Abs(coldiff==1)) || (TMath::Abs(rowdiff)==1 && TMath::Abs(coldiff==1))) rv = 1; | |
196 | ||
197 | if (gDebug == 2) | |
198 | printf("AliEMCALClusterizerv1::AreNeighbours(): id1=%d, (row %d, col %d) ; id2=%d, (row %d, col %d), shared %d \n", | |
199 | d1->GetId(), iphi1,ieta1, d2->GetId(), iphi2,ieta2, shared); | |
c526514b | 200 | return 1; |
62c48b86 | 201 | } //Neighbours |
c526514b | 202 | else { |
203 | shared = kFALSE; | |
62c48b86 | 204 | return 2; |
205 | } //Not neighbours | |
483b0559 | 206 | } |
207 | ||
a5c60732 | 208 | //____________________________________________________________________________ |
0e7c6655 | 209 | void AliEMCALClusterizerv1::MakeClusters() |
483b0559 | 210 | { |
211 | // Steering method to construct the clusters stored in a list of Reconstructed Points | |
212 | // A cluster is defined as a list of neighbour digits | |
f1487f22 | 213 | // Mar 03, 2007 by PAI |
51e4198e | 214 | |
f1487f22 | 215 | if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader"); |
51e4198e | 216 | |
62c48b86 | 217 | fRecPoints->Delete(); |
51e4198e | 218 | |
783153ff | 219 | // Set up TObjArray with pointers to digits to work on calibrated digits |
98e9578e | 220 | TObjArray *digitsC = new TObjArray(); |
98e9578e | 221 | AliEMCALDigit *digit; |
783153ff | 222 | Float_t dEnergyCalibrated = 0.0, ehs = 0.0, time = 0.0; |
223 | TIter nextdigit(fDigitsArr); | |
224 | while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigit())) ) { // calibrate and clean up digits | |
225 | dEnergyCalibrated = digit->GetAmplitude(); | |
226 | time = digit->GetTime(); | |
227 | Calibrate(dEnergyCalibrated,time,digit->GetId()); | |
228 | digit->SetCalibAmp(dEnergyCalibrated); | |
229 | digit->SetTime(time); | |
959d5ca4 | 230 | |
231 | if ( dEnergyCalibrated < fMinECut || time > fTimeMax || time < fTimeMin ){ | |
783153ff | 232 | continue; |
233 | } | |
234 | else if (!fGeom->CheckAbsCellId(digit->GetId())) | |
235 | continue; | |
236 | else{ | |
237 | ehs += dEnergyCalibrated; | |
238 | digitsC->AddLast(digit); | |
239 | } | |
1d59832c | 240 | } |
783153ff | 241 | |
29b7e56e | 242 | AliDebug(1,Form("MakeClusters: Number of digits %d -> (e %f), ehs %f\n", |
51e4198e | 243 | fDigitsArr->GetEntries(),fMinECut,ehs)); |
244 | ||
783153ff | 245 | TIter nextdigitC(digitsC); |
1d46d1f6 | 246 | while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // scan over the list of digitsC |
c47157cd | 247 | TArrayI clusterECAdigitslist(fDigitsArr->GetEntries()); |
783153ff | 248 | dEnergyCalibrated = digit->GetCalibAmp(); |
249 | time = digit->GetTime(); | |
250 | if(fGeom->CheckAbsCellId(digit->GetId()) && ( dEnergyCalibrated > fECAClusteringThreshold ) ){ | |
98e9578e | 251 | // start a new Tower RecPoint |
62c48b86 | 252 | if(fNumberOfECAClusters >= fRecPoints->GetSize()) fRecPoints->Expand(2*fNumberOfECAClusters+1); |
51e4198e | 253 | |
62c48b86 | 254 | AliEMCALRecPoint *recPoint = new AliEMCALRecPoint(""); |
255 | fRecPoints->AddAt(recPoint, fNumberOfECAClusters); | |
256 | recPoint = dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(fNumberOfECAClusters)); | |
257 | if (recPoint) { | |
258 | fNumberOfECAClusters++; | |
51e4198e | 259 | |
260 | recPoint->SetClusterType(AliVCluster::kEMCALClusterv1); | |
783153ff | 261 | recPoint->AddDigit(*digit, digit->GetCalibAmp(), kFALSE); //Time or TimeR? |
51e4198e | 262 | TObjArray clusterDigits; |
263 | clusterDigits.AddLast(digit); | |
62c48b86 | 264 | digitsC->Remove(digit); |
51e4198e | 265 | |
783153ff | 266 | AliDebug(1,Form("MakeClusters: OK id = %d, ene = %f , cell.th. = %f \n", digit->GetId(), dEnergyCalibrated, fECAClusteringThreshold)); //Time or TimeR? |
267 | ||
51e4198e | 268 | // Grow cluster by finding neighbours |
269 | TIter nextClusterDigit(&clusterDigits); | |
783153ff | 270 | |
51e4198e | 271 | while ( (digit = dynamic_cast<AliEMCALDigit*>(nextClusterDigit())) ) { // scan over digits in cluster |
272 | TIter nextdigitN(digitsC); | |
273 | AliEMCALDigit *digitN = 0; // digi neighbor | |
274 | while ( (digitN = (AliEMCALDigit *)nextdigitN()) ) { // scan over all digits to look for neighbours | |
51e4198e | 275 | //Do not add digits with too different time |
276 | Bool_t shared = kFALSE;//cluster shared by 2 SuperModules? | |
277 | if(TMath::Abs(time - digitN->GetTime()) > fTimeCut ) continue; //Time or TimeR? | |
278 | if (AreNeighbours(digit, digitN, shared)==1) { // call (digit,digitN) in THAT order !!!!! | |
783153ff | 279 | recPoint->AddDigit(*digitN, digitN->GetCalibAmp(), shared); |
62c48b86 | 280 | clusterDigits.AddLast(digitN); |
281 | digitsC->Remove(digitN); | |
51e4198e | 282 | } // if(ineb==1) |
283 | } // scan over digits | |
284 | } // scan over digits already in cluster | |
285 | ||
98e9578e | 286 | AliDebug(2,Form("MakeClusters: %d digitd, energy %f \n", clusterDigits.GetEntries(), recPoint->GetEnergy())); |
51e4198e | 287 | }//recpoint |
288 | else AliFatal("Null recpoint in array!"); | |
98e9578e | 289 | } // If seed found |
1d59832c | 290 | } // while digit |
51e4198e | 291 | |
62c48b86 | 292 | delete digitsC; |
ab6a174f | 293 | |
c47157cd | 294 | AliDebug(1,Form("total no of clusters %d from %d digits",fNumberOfECAClusters,fDigitsArr->GetEntriesFast())); |
483b0559 | 295 | } |