1 /**************************************************************************
2 * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
15 ///////////////////////////////////////////////////////////////////////////
16 // Plane Efficiency class for ITS
17 // It is used for module by module efficiency of the SSD,
18 // evaluated by tracks
19 // (Inherits from AliITSPlaneEff)
21 // giuseppe.bruno@ba.infn.it
23 ///////////////////////////////////////////////////////////////////////////
32 #include "AliITSPlaneEffSSD.h"
34 #include "AliCDBStorage.h"
35 #include "AliCDBEntry.h"
36 #include "AliCDBManager.h"
37 //#include "AliCDBRunRange.h"
38 #include "AliITSCalibrationSSD.h"
40 ClassImp(AliITSPlaneEffSSD)
41 //______________________________________________________________________
42 AliITSPlaneEffSSD::AliITSPlaneEffSSD():
52 for (UInt_t i=0; i<kNModule; i++){
53 // default constructor
57 AliDebug(1,Form("Calling default constructor"));
59 //______________________________________________________________________
60 AliITSPlaneEffSSD::~AliITSPlaneEffSSD(){
70 //______________________________________________________________________
71 AliITSPlaneEffSSD::AliITSPlaneEffSSD(const AliITSPlaneEffSSD &s) : AliITSPlaneEff(s),
83 // AliITSPlaneEffSSD &s The original class for which
84 // this class is a copy of
89 for (UInt_t i=0; i<kNModule; i++){
90 fFound[i]=s.fFound[i];
91 fTried[i]=s.fTried[i];
95 for(Int_t i=0; i<kNHisto; i++) {
96 s.fHisResX[i]->Copy(*fHisResX[i]);
97 s.fHisResZ[i]->Copy(*fHisResZ[i]);
98 s.fHisResXZ[i]->Copy(*fHisResXZ[i]);
99 s.fHisClusterSize[i]->Copy(*fHisClusterSize[i]);
100 s.fHisTrackErrX[i]->Copy(*fHisTrackErrX[i]);
101 s.fHisTrackErrZ[i]->Copy(*fHisTrackErrZ[i]);
102 s.fHisClusErrX[i]->Copy(*fHisTrackErrZ[i]);
103 s.fHisClusErrZ[i]->Copy(*fHisClusErrZ[i]);
107 //_________________________________________________________________________
108 AliITSPlaneEffSSD& AliITSPlaneEffSSD::operator+=(const AliITSPlaneEffSSD &add){
109 // Add-to-me operator
111 // const AliITSPlaneEffSSD &add simulation class to be added
116 for (UInt_t i=0; i<kNModule; i++){
117 fFound[i] += add.fFound[i];
118 fTried[i] += add.fTried[i];
120 if(fHis && add.fHis) {
121 for(Int_t i=0; i<kNHisto; i++) {
122 fHisResX[i]->Add(add.fHisResX[i]);
123 fHisResZ[i]->Add(add.fHisResZ[i]);
124 fHisResXZ[i]->Add(add.fHisResXZ[i]);
125 fHisClusterSize[i]->Add(add.fHisClusterSize[i]);
126 fHisTrackErrX[i]->Add(add.fHisTrackErrX[i]);
127 fHisTrackErrZ[i]->Add(add.fHisTrackErrZ[i]);
128 fHisClusErrX[i]->Add(add.fHisTrackErrZ[i]);
129 fHisClusErrZ[i]->Add(add.fHisClusErrZ[i]);
134 //______________________________________________________________________
135 AliITSPlaneEffSSD& AliITSPlaneEffSSD::operator=(const
136 AliITSPlaneEffSSD &s){
137 // Assignment operator
139 // AliITSPlaneEffSSD &s The original class for which
140 // this class is a copy of
145 if(this==&s) return *this;
146 this->~AliITSPlaneEffSSD();
147 new(this) AliITSPlaneEffSSD();
151 //______________________________________________________________________
152 void AliITSPlaneEffSSD::Copy(TObject &obj) const {
153 // protected method. copy this to obj
154 AliITSPlaneEff::Copy(obj);
155 AliITSPlaneEffSSD& target = (AliITSPlaneEffSSD &) obj;
156 for(Int_t i=0;i<kNModule;i++) {
157 target.fFound[i] = fFound[i];
158 target.fTried[i] = fTried[i];
163 //_______________________________________________________________________
164 void AliITSPlaneEffSSD::CopyHistos(AliITSPlaneEffSSD &target) const {
165 // protected method: copy histos from this to target
166 target.fHis = fHis; // this is redundant only in some cases. Leave as it is.
168 target.fHisResX=new TH1F*[kNHisto];
169 target.fHisResZ=new TH1F*[kNHisto];
170 target.fHisResXZ=new TH2F*[kNHisto];
171 target.fHisClusterSize=new TH2I*[kNHisto];
172 target.fHisTrackErrX=new TH1F*[kNHisto];
173 target.fHisTrackErrZ=new TH1F*[kNHisto];
174 target.fHisClusErrX=new TH1F*[kNHisto];
175 target.fHisClusErrZ=new TH1F*[kNHisto];
176 for(Int_t i=0; i<kNHisto; i++) {
177 target.fHisResX[i] = new TH1F(*fHisResX[i]);
178 target.fHisResZ[i] = new TH1F(*fHisResZ[i]);
179 target.fHisResXZ[i] = new TH2F(*fHisResXZ[i]);
180 target.fHisClusterSize[i] = new TH2I(*fHisClusterSize[i]);
181 target.fHisTrackErrX[i] = new TH1F(*fHisTrackErrX[i]);
182 target.fHisTrackErrZ[i] = new TH1F(*fHisTrackErrZ[i]);
183 target.fHisClusErrX[i] = new TH1F(*fHisClusErrX[i]);
184 target.fHisClusErrZ[i] = new TH1F(*fHisClusErrZ[i]);
190 //_______________________________________________________________________
191 Int_t AliITSPlaneEffSSD::GetMissingTracksForGivenEff(Double_t eff, Double_t RelErr,
194 // Estimate the number of tracks still to be collected to attain a
195 // given efficiency eff, with relative error RelErr
197 // eff -> Expected efficiency (e.g. those from actual estimate)
198 // RelErr -> tollerance [0,1]
199 // im -> module number [0,1697]
201 // Return: the estimated n. of tracks
204 {AliError("GetMissingTracksForGivenEff: you asked for a non existing module");
206 else return GetNTracksForGivenEff(eff,RelErr)-fTried[GetKey(im)];
208 //_________________________________________________________________________
209 Double_t AliITSPlaneEffSSD::PlaneEff(const UInt_t im) const {
210 // Compute the efficiency for a basic block,
212 // im -> module number [0,1697]
214 {AliError("PlaneEff(UInt_t): you asked for a non existing module"); return -1.;}
215 Int_t nf=fFound[GetKey(im)];
216 Int_t nt=fTried[GetKey(im)];
217 return AliITSPlaneEff::PlaneEff(nf,nt);
219 //_________________________________________________________________________
220 Double_t AliITSPlaneEffSSD::ErrPlaneEff(const UInt_t im) const {
221 // Compute the statistical error on efficiency for a basic block,
222 // using binomial statistics
224 // im -> module number [0,1697]
226 {AliError("ErrPlaneEff(UInt_t): you asked for a non existing module"); return -1.;}
227 Int_t nf=fFound[GetKey(im)];
228 Int_t nt=fTried[GetKey(im)];
229 return AliITSPlaneEff::ErrPlaneEff(nf,nt);
231 //_________________________________________________________________________
232 Bool_t AliITSPlaneEffSSD::UpDatePlaneEff(const Bool_t Kfound, const UInt_t im) {
233 // Update efficiency for a basic block
235 {AliError("UpDatePlaneEff: you asked for a non existing module"); return kFALSE;}
236 fTried[GetKey(im)]++;
237 if(Kfound) fFound[GetKey(im)]++;
240 //_________________________________________________________________________
241 UInt_t AliITSPlaneEffSSD::GetKey(const UInt_t mod) const {
242 // get key given a basic block
244 {AliError("GetKey: you asked for a non existing block"); return 99999;}
247 //__________________________________________________________________________
248 UInt_t AliITSPlaneEffSSD::GetModFromKey(const UInt_t key) const {
251 {AliError("GetModFromKey: you asked for a non existing key"); return 9999;}
254 //__________________________________________________________________________
255 Double_t AliITSPlaneEffSSD::LivePlaneEff(UInt_t key) const {
256 // returns plane efficieny after adding the fraction of sensor which is bad
258 {AliError("LivePlaneEff: you asked for a non existing key");
260 Double_t leff=AliITSPlaneEff::LivePlaneEff(0); // this just for the Warning
261 leff=PlaneEff(key)+GetFracBad(key);
262 return leff>1?1:leff;
264 //____________________________________________________________________________
265 Double_t AliITSPlaneEffSSD::ErrLivePlaneEff(UInt_t key) const {
266 // returns error on live plane efficiency
268 {AliError("ErrLivePlaneEff: you asked for a non existing key");
270 Int_t nf=fFound[key];
271 Double_t triedInLive=GetFracLive(key)*fTried[key];
272 Int_t nt=TMath::Max(nf,TMath::Nint(triedInLive));
273 return AliITSPlaneEff::ErrPlaneEff(nf,nt); // for the time being: to be checked
275 //_____________________________________________________________________________
276 Double_t AliITSPlaneEffSSD::GetFracLive(const UInt_t key) const {
277 // returns the fraction of the sensor area which is OK (neither noisy nor dead)
278 // As for now, it computes only the fraction of good strips / total strips.
279 // If this fraction is large, then the computation is a good approximation.
280 // In any case, it is a lower limit of the fraction of the live area.
281 // The next upgrades would be to add the fraction of area of superoposition
282 // between bad N-side strips and bad P-side strips.
284 {AliError("GetFracLive: you asked for a non existing key");
286 AliInfo("GetFracLive: it computes only the fraction of working strips (N+P side) / total strips");
288 GetBadInModule(key,bad);
290 live/=(kNChip*kNSide*kNStrip);
293 //_____________________________________________________________________________
294 void AliITSPlaneEffSSD::GetBadInModule(const UInt_t key, UInt_t& nrBadInMod) const {
295 // returns the number of dead and noisy strips (sum of P and N sides).
298 {AliError("GetBadInModule: you asked for a non existing key");
300 // Compute the number of bad (dead+noisy) pixel in a module
303 {AliError("GetBadInModule: CDB not inizialized: call InitCDB first");
305 AliCDBManager* man = AliCDBManager::Instance();
306 // retrieve map of dead Pixel
307 AliCDBEntry *cdbSSD = man->Get("ITS/Calib/BadChannelsSSD", fRunNumber);
310 ssdEntry = (TObjArray*)cdbSSD->GetObject();
312 {AliError("GetBadInChip: SSDEntry not found in CDB");
315 AliError("GetBadInChip: did not find Calib/BadChannelsSSD");
319 //UInt_t mod=GetModFromKey(key);
321 //AliITSBadChannelsSSD* badchannels=(AliITSBadChannelsSSD*) ssdEntry->At(mod);
322 // count the number of bad channels on the p side
323 //nrBadInMod += (badchannels->GetBadPChannelsList()).GetSize();
324 // add the number of bad channels on the s side
325 //nrBadInMod += (badchannels->GetBadNChannelsList()).GetSize();
328 //_____________________________________________________________________________
329 Double_t AliITSPlaneEffSSD::GetFracBad(const UInt_t key) const {
330 // returns 1-fractional live
332 {AliError("GetFracBad: you asked for a non existing key");
334 return 1.-GetFracLive(key);
336 //_____________________________________________________________________________
337 Bool_t AliITSPlaneEffSSD::WriteIntoCDB() const {
340 {AliError("WriteIntoCDB: CDB not inizialized. Call InitCDB first");
342 // to be written properly: now only for debugging
343 AliCDBMetaData *md= new AliCDBMetaData(); // metaData describing the object
344 md->SetObjectClassName("AliITSPlaneEff");
345 md->SetResponsible("Giuseppe Eugenio Bruno");
346 md->SetBeamPeriod(0);
347 md->SetAliRootVersion("head 02/01/08"); //root version
348 AliCDBId id("ITS/PlaneEff/PlaneEffSSD",0,AliCDBRunRange::Infinity());
349 AliITSPlaneEffSSD eff;
351 Bool_t r=AliCDBManager::Instance()->GetDefaultStorage()->Put(&eff,id,md);
355 //_____________________________________________________________________________
356 Bool_t AliITSPlaneEffSSD::ReadFromCDB() {
359 {AliError("ReadFromCDB: CDB not inizialized. Call InitCDB first");
361 AliCDBEntry *cdbEntry = AliCDBManager::Instance()->Get("ITS/PlaneEff/PlaneEffSSD",fRunNumber);
362 if(!cdbEntry) return kFALSE;
363 AliITSPlaneEffSSD* eff= (AliITSPlaneEffSSD*)cdbEntry->GetObject();
364 if(this==eff) return kFALSE;
365 if(fHis) CopyHistos(*eff); // If histos already exist then copy them to eff
366 eff->Copy(*this); // copy everything (statistics and histos) from eff to this
369 //_____________________________________________________________________________
370 Bool_t AliITSPlaneEffSSD::AddFromCDB(AliCDBId *cdbId) {
371 // Read (actually add the statistics) plane eff. from Data Base
372 AliCDBEntry *cdbEntry=0;
375 {AliError("ReadFromCDB: CDB not inizialized. Call InitCDB first"); return kFALSE;}
376 cdbEntry = AliCDBManager::Instance()->Get("ITS/PlaneEff/PlaneEffSSD",fRunNumber);
378 cdbEntry = AliCDBManager::Instance()->Get(*cdbId);
380 if(!cdbEntry) return kFALSE;
381 AliITSPlaneEffSSD* eff= (AliITSPlaneEffSSD*)cdbEntry->GetObject();
385 //_____________________________________________________________________________
386 UInt_t AliITSPlaneEffSSD::GetKeyFromDetLocCoord(Int_t ilay, Int_t idet,
387 Float_t, Float_t) const {
388 // method to locate a basic block from Detector Local coordinate (to be used in tracking)
391 {AliError("GetKeyFromDetLocCoord: you asked for a non existing layer");
393 if(ilay==4 && (idet<0 || idet>747))
394 {AliError("GetKeyFromDetLocCoord: you asked for a non existing detector");
396 if(ilay==5 && (idet<0 || idet>949))
397 {AliError("GetKeyFromDetLocCoord: you asked for a non existing detector");
401 if(ilay==5) mod+=748;
405 //__________________________________________________________
406 void AliITSPlaneEffSSD::InitHistos() {
407 // for the moment let's create the histograms
409 TString histnameResX="HistResX_mod_",aux;
410 TString histnameResZ="HistResZ_mod_";
411 TString histnameResXZ="HistResXZ_mod_";
412 TString histnameClusterType="HistClusterType_mod_";
413 TString histnameTrackErrX="HistTrackErrX_mod_";
414 TString histnameTrackErrZ="HistTrackErrZ_mod_";
415 TString histnameClusErrX="HistClusErrX_mod_";
416 TString histnameClusErrZ="HistClusErrZ_mod_";
419 TH1::AddDirectory(kFALSE);
421 fHisResX=new TH1F*[kNHisto];
422 fHisResZ=new TH1F*[kNHisto];
423 fHisResXZ=new TH2F*[kNHisto];
424 fHisClusterSize=new TH2I*[kNHisto];
425 fHisTrackErrX=new TH1F*[kNHisto];
426 fHisTrackErrZ=new TH1F*[kNHisto];
427 fHisClusErrX=new TH1F*[kNHisto];
428 fHisClusErrZ=new TH1F*[kNHisto];
430 for (Int_t nhist=0;nhist<kNHisto;nhist++){
433 fHisResX[nhist]=new TH1F("histname","histname",500,-0.10,0.10); // +- 1000 micron; 1 bin=4 micron
434 fHisResX[nhist]->SetName(aux.Data());
435 fHisResX[nhist]->SetTitle(aux.Data());
439 fHisResZ[nhist]=new TH1F("histname","histname",750,-0.75,0.75); // +-5000 micron; 1 bin=20 micron
440 fHisResZ[nhist]->SetName(aux.Data());
441 fHisResZ[nhist]->SetTitle(aux.Data());
445 fHisResXZ[nhist]=new TH2F("histname","histname",40,-0.04,0.04,40,-0.32,0.32); // binning:
448 fHisResXZ[nhist]->SetName(aux.Data());
449 fHisResXZ[nhist]->SetTitle(aux.Data());
451 aux=histnameClusterType;
453 fHisClusterSize[nhist]=new TH2I("histname","histname",6,0.5,6.5,6,0.5,6.5);
454 fHisClusterSize[nhist]->SetName(aux.Data());
455 fHisClusterSize[nhist]->SetTitle(aux.Data());
457 aux=histnameTrackErrX;
459 fHisTrackErrX[nhist]=new TH1F("histname","histname",300,0.,0.24); // 0-2400 micron; 1 bin=8 micron
460 fHisTrackErrX[nhist]->SetName(aux.Data());
461 fHisTrackErrX[nhist]->SetTitle(aux.Data());
463 aux=histnameTrackErrZ;
465 fHisTrackErrZ[nhist]=new TH1F("histname","histname",300,0.,0.48); // 0-4800 micron; 1 bin=16 micron
466 fHisTrackErrZ[nhist]->SetName(aux.Data());
467 fHisTrackErrZ[nhist]->SetTitle(aux.Data());
469 aux=histnameClusErrX;
471 fHisClusErrX[nhist]=new TH1F("histname","histname",300,0.,0.24); // 0-2400 micron; 1 bin=8 micron
472 fHisClusErrX[nhist]->SetName(aux.Data());
473 fHisClusErrX[nhist]->SetTitle(aux.Data());
475 aux=histnameClusErrZ;
477 fHisClusErrZ[nhist]=new TH1F("histname","histname",200,0.,0.32); // 0-1600 micron; 1 bin=16 micron
478 fHisClusErrZ[nhist]->SetName(aux.Data());
479 fHisClusErrZ[nhist]->SetTitle(aux.Data());
483 TH1::AddDirectory(kTRUE);
487 //__________________________________________________________
488 void AliITSPlaneEffSSD::DeleteHistos() {
489 // Delete histograms and remove them from memory
491 for (Int_t i=0; i<kNHisto; i++ ) delete fHisResX[i];
492 delete [] fHisResX; fHisResX=0;
495 for (Int_t i=0; i<kNHisto; i++ ) delete fHisResZ[i];
496 delete [] fHisResZ; fHisResZ=0;
499 for (Int_t i=0; i<kNHisto; i++ ) delete fHisResXZ[i];
500 delete [] fHisResXZ; fHisResXZ=0;
502 if(fHisClusterSize) {
503 for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusterSize[i];
504 delete [] fHisClusterSize; fHisClusterSize=0;
507 for (Int_t i=0; i<kNHisto; i++ ) delete fHisTrackErrX[i];
508 delete [] fHisTrackErrX; fHisTrackErrX=0;
511 for (Int_t i=0; i<kNHisto; i++ ) delete fHisTrackErrZ[i];
512 delete [] fHisTrackErrZ; fHisTrackErrZ=0;
515 for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusErrX[i];
516 delete [] fHisClusErrX; fHisClusErrX=0;
519 for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusErrZ[i];
520 delete [] fHisClusErrZ; fHisClusErrZ=0;
525 //__________________________________________________________
526 Bool_t AliITSPlaneEffSSD::FillHistos(UInt_t key, Bool_t found,
527 Float_t *tr, Float_t *clu, Int_t *csize, Float_t*) {
528 // this method fill the histograms
529 // input: - key: unique key of the basic block
530 // - found: Boolean to asses whether a cluster has been associated to the track or not
531 // - tr[0],tr[1] local X and Z coordinates of the track prediction, respectively
532 // - tr[2],tr[3] error on local X and Z coordinates of the track prediction, respectively
533 // - clu[0],clu[1] local X and Z coordinates of the cluster associated to the track, respectively
534 // - clu[2],clu[3] error on local X and Z coordinates of the cluster associated to the track, respectively
535 // - csize[0][1] cluster size in X and Z, respectively
536 // output: kTRUE if filling was succesfull kFALSE otherwise
537 // side effects: updating of the histograms.
540 AliWarning("FillHistos: histograms do not exist! Call SetCreateHistos(kTRUE) first");
544 {AliWarning("FillHistos: you asked for a non existing key"); return kFALSE;}
545 Int_t id=GetModFromKey(key);
547 {AliWarning("FillHistos: you want to fill a non-existing histos"); return kFALSE;}
549 Float_t resx=tr[0]-clu[0];
550 Float_t resz=tr[1]-clu[1];
551 fHisResX[id]->Fill(resx);
552 fHisResZ[id]->Fill(resz);
553 fHisResXZ[id]->Fill(resx,resz);
554 fHisClusterSize[id]->Fill((Double_t)csize[0],(Double_t)csize[1]);
556 fHisTrackErrX[id]->Fill(tr[2]);
557 fHisTrackErrZ[id]->Fill(tr[3]);
558 fHisClusErrX[id]->Fill(clu[2]);
559 fHisClusErrZ[id]->Fill(clu[3]);
562 //__________________________________________________________
563 Bool_t AliITSPlaneEffSSD::WriteHistosToFile(TString filename, Option_t* option) {
565 // Saves the histograms into a tree and saves the trees into a file
567 if (!fHis) return kFALSE;
568 if (filename.IsNull() || filename.IsWhitespace()) {
569 AliWarning("WriteHistosToFile: null output filename!");
573 TFile *hFile=new TFile(filename.Data(),option,
574 "The File containing the TREEs with ITS PlaneEff Histos");
575 TTree *SSDTree=new TTree("SSDTree","Tree whith Residuals and Cluster Type distributions for SSD");
578 TH2I *histClusterType;
579 TH1F *histTrErrZ,*histTrErrX;
580 TH1F *histClErrZ,*histClErrX;
585 histClusterType=new TH2I();
586 histTrErrX=new TH1F();
587 histTrErrZ=new TH1F();
588 histClErrX=new TH1F();
589 histClErrZ=new TH1F();
591 SSDTree->Branch("histX","TH1F",&histX,128000,0);
592 SSDTree->Branch("histZ","TH1F",&histZ,128000,0);
593 SSDTree->Branch("histXZ","TH2F",&histXZ,128000,0);
594 SSDTree->Branch("histClusterType","TH2I",&histClusterType,128000,0);
595 SSDTree->Branch("histTrErrX","TH1F",&histTrErrX,128000,0);
596 SSDTree->Branch("histTrErrZ","TH1F",&histTrErrZ,128000,0);
597 SSDTree->Branch("histClErrX","TH1F",&histClErrX,128000,0);
598 SSDTree->Branch("histClErrZ","TH1F",&histClErrZ,128000,0);
600 for(Int_t j=0;j<kNHisto;j++){
604 histClusterType=fHisClusterSize[j];
605 histTrErrX=fHisTrackErrX[j];
606 histTrErrZ=fHisTrackErrZ[j];
607 histClErrX=fHisClusErrX[j];
608 histClErrZ=fHisClusErrZ[j];
616 //__________________________________________________________
617 Bool_t AliITSPlaneEffSSD::ReadHistosFromFile(TString filename) {
619 // Read histograms from an already existing file
621 if (!fHis) return kFALSE;
622 if (filename.IsNull() || filename.IsWhitespace()) {
623 AliWarning("ReadHistosFromFile: incorrect output filename!");
631 TFile *file=TFile::Open(filename.Data(),"READONLY");
633 if (!file || file->IsZombie()) {
634 AliWarning(Form("Can't open %s !",filename.Data()));
638 TTree *tree = (TTree*) file->Get("SSDTree");
640 TBranch *histX = (TBranch*) tree->GetBranch("histX");
641 TBranch *histZ = (TBranch*) tree->GetBranch("histZ");
642 TBranch *histXZ = (TBranch*) tree->GetBranch("histXZ");
643 TBranch *histClusterType = (TBranch*) tree->GetBranch("histClusterType");
644 TBranch *histTrErrX = (TBranch*) tree->GetBranch("histTrErrX");
645 TBranch *histTrErrZ = (TBranch*) tree->GetBranch("histTrErrZ");
646 TBranch *histClErrX = (TBranch*) tree->GetBranch("histClErrX");
647 TBranch *histClErrZ = (TBranch*) tree->GetBranch("histClErrZ");
651 Int_t nevent = (Int_t)histX->GetEntries();
653 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
654 histX->SetAddress(&h);
655 for(Int_t j=0;j<kNHisto;j++){
660 nevent = (Int_t)histZ->GetEntries();
662 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
663 histZ->SetAddress(&h);
664 for(Int_t j=0;j<kNHisto;j++){
669 nevent = (Int_t)histXZ->GetEntries();
671 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
672 histXZ->SetAddress(&h2);
673 for(Int_t j=0;j<kNHisto;j++){
675 fHisResXZ[j]->Add(h2);
678 nevent = (Int_t)histClusterType->GetEntries();
680 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
681 histClusterType->SetAddress(&h2i);
682 for(Int_t j=0;j<kNHisto;j++){
683 histClusterType->GetEntry(j);
684 fHisClusterSize[j]->Add(h2i);
687 nevent = (Int_t)histTrErrX->GetEntries();
689 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
690 histTrErrX->SetAddress(&h);
691 for(Int_t j=0;j<kNHisto;j++){
692 histTrErrX->GetEntry(j);
693 fHisTrackErrX[j]->Add(h);
696 nevent = (Int_t)histTrErrZ->GetEntries();
698 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
699 histTrErrZ->SetAddress(&h);
700 for(Int_t j=0;j<kNHisto;j++){
701 histTrErrZ->GetEntry(j);
702 fHisTrackErrZ[j]->Add(h);
705 nevent = (Int_t)histClErrX->GetEntries();
707 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
708 histClErrX->SetAddress(&h);
709 for(Int_t j=0;j<kNHisto;j++){
711 histClErrX->GetEntry(j);
712 fHisClusErrX[j]->Add(h);
715 nevent = (Int_t)histClErrZ->GetEntries();
717 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
718 histClErrZ->SetAddress(&h);
719 for(Int_t j=0;j<kNHisto;j++){
721 histClErrZ->GetEntry(j);
722 fHisClusErrZ[j]->Add(h);