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;
149 //______________________________________________________________________
150 void AliITSPlaneEffSSD::Copy(TObject &obj) const {
151 // protected method. copy this to obj
152 AliITSPlaneEff::Copy(obj);
153 AliITSPlaneEffSSD& target = (AliITSPlaneEffSSD &) obj;
154 for(Int_t i=0;i<kNModule;i++) {
155 target.fFound[i] = fFound[i];
156 target.fTried[i] = fTried[i];
161 //_______________________________________________________________________
162 void AliITSPlaneEffSSD::CopyHistos(AliITSPlaneEffSSD &target) const {
163 // protected method: copy histos from this to target
164 target.fHis = fHis; // this is redundant only in some cases. Leave as it is.
166 target.fHisResX=new TH1F*[kNHisto];
167 target.fHisResZ=new TH1F*[kNHisto];
168 target.fHisResXZ=new TH2F*[kNHisto];
169 target.fHisClusterSize=new TH2I*[kNHisto];
170 target.fHisTrackErrX=new TH1F*[kNHisto];
171 target.fHisTrackErrZ=new TH1F*[kNHisto];
172 target.fHisClusErrX=new TH1F*[kNHisto];
173 target.fHisClusErrZ=new TH1F*[kNHisto];
174 for(Int_t i=0; i<kNHisto; i++) {
175 target.fHisResX[i] = new TH1F(*fHisResX[i]);
176 target.fHisResZ[i] = new TH1F(*fHisResZ[i]);
177 target.fHisResXZ[i] = new TH2F(*fHisResXZ[i]);
178 target.fHisClusterSize[i] = new TH2I(*fHisClusterSize[i]);
179 target.fHisTrackErrX[i] = new TH1F(*fHisTrackErrX[i]);
180 target.fHisTrackErrZ[i] = new TH1F(*fHisTrackErrZ[i]);
181 target.fHisClusErrX[i] = new TH1F(*fHisClusErrX[i]);
182 target.fHisClusErrZ[i] = new TH1F(*fHisClusErrZ[i]);
188 //_______________________________________________________________________
189 Int_t AliITSPlaneEffSSD::GetMissingTracksForGivenEff(Double_t eff, Double_t RelErr,
192 // Estimate the number of tracks still to be collected to attain a
193 // given efficiency eff, with relative error RelErr
195 // eff -> Expected efficiency (e.g. those from actual estimate)
196 // RelErr -> tollerance [0,1]
197 // im -> module number [0,1697]
199 // Return: the estimated n. of tracks
202 {AliError("GetMissingTracksForGivenEff: you asked for a non existing module");
204 else return GetNTracksForGivenEff(eff,RelErr)-fTried[GetKey(im)];
206 //_________________________________________________________________________
207 Double_t AliITSPlaneEffSSD::PlaneEff(const UInt_t im) const {
208 // Compute the efficiency for a basic block,
210 // im -> module number [0,1697]
212 {AliError("PlaneEff(UInt_t): you asked for a non existing module"); return -1.;}
213 Int_t nf=fFound[GetKey(im)];
214 Int_t nt=fTried[GetKey(im)];
215 return AliITSPlaneEff::PlaneEff(nf,nt);
217 //_________________________________________________________________________
218 Double_t AliITSPlaneEffSSD::ErrPlaneEff(const UInt_t im) const {
219 // Compute the statistical error on efficiency for a basic block,
220 // using binomial statistics
222 // im -> module number [0,1697]
224 {AliError("ErrPlaneEff(UInt_t): you asked for a non existing module"); return -1.;}
225 Int_t nf=fFound[GetKey(im)];
226 Int_t nt=fTried[GetKey(im)];
227 return AliITSPlaneEff::ErrPlaneEff(nf,nt);
229 //_________________________________________________________________________
230 Bool_t AliITSPlaneEffSSD::UpDatePlaneEff(const Bool_t Kfound, const UInt_t im) {
231 // Update efficiency for a basic block
233 {AliError("UpDatePlaneEff: you asked for a non existing module"); return kFALSE;}
234 fTried[GetKey(im)]++;
235 if(Kfound) fFound[GetKey(im)]++;
238 //_________________________________________________________________________
239 UInt_t AliITSPlaneEffSSD::GetKey(const UInt_t mod) const {
240 // get key given a basic block
242 {AliError("GetKey: you asked for a non existing block"); return 99999;}
245 //__________________________________________________________________________
246 UInt_t AliITSPlaneEffSSD::GetModFromKey(const UInt_t key) const {
249 {AliError("GetModFromKey: you asked for a non existing key"); return 9999;}
252 //__________________________________________________________________________
253 Double_t AliITSPlaneEffSSD::LivePlaneEff(UInt_t key) const {
254 // returns plane efficieny after adding the fraction of sensor which is bad
256 {AliError("LivePlaneEff: you asked for a non existing key");
258 Double_t leff=AliITSPlaneEff::LivePlaneEff(0); // this just for the Warning
259 leff=PlaneEff(key)+GetFracBad(key);
260 return leff>1?1:leff;
262 //____________________________________________________________________________
263 Double_t AliITSPlaneEffSSD::ErrLivePlaneEff(UInt_t key) const {
264 // returns error on live plane efficiency
266 {AliError("ErrLivePlaneEff: you asked for a non existing key");
268 Int_t nf=fFound[key];
269 Double_t triedInLive=GetFracLive(key)*fTried[key];
270 Int_t nt=TMath::Max(nf,TMath::Nint(triedInLive));
271 return AliITSPlaneEff::ErrPlaneEff(nf,nt); // for the time being: to be checked
273 //_____________________________________________________________________________
274 Double_t AliITSPlaneEffSSD::GetFracLive(const UInt_t key) const {
275 // returns the fraction of the sensor area which is OK (neither noisy nor dead)
276 // As for now, it computes only the fraction of good strips / total strips.
277 // If this fraction is large, then the computation is a good approximation.
278 // In any case, it is a lower limit of the fraction of the live area.
279 // The next upgrades would be to add the fraction of area of superoposition
280 // between bad N-side strips and bad P-side strips.
282 {AliError("GetFracLive: you asked for a non existing key");
284 AliInfo("GetFracLive: it computes only the fraction of working strips (N+P side) / total strips");
286 GetBadInModule(key,bad);
288 live/=(kNChip*kNSide*kNStrip);
291 //_____________________________________________________________________________
292 void AliITSPlaneEffSSD::GetBadInModule(const UInt_t key, UInt_t& nrBadInMod) const {
293 // returns the number of dead and noisy strips (sum of P and N sides).
296 {AliError("GetBadInModule: you asked for a non existing key");
298 // Compute the number of bad (dead+noisy) pixel in a module
301 {AliError("GetBadInModule: CDB not inizialized: call InitCDB first");
303 AliCDBManager* man = AliCDBManager::Instance();
304 // retrieve map of dead Pixel
305 AliCDBEntry *cdbSSD = man->Get("ITS/Calib/BadChannelsSSD", fRunNumber);
308 ssdEntry = (TObjArray*)cdbSSD->GetObject();
310 {AliError("GetBadInChip: SSDEntry not found in CDB");
313 AliError("GetBadInChip: did not find Calib/BadChannelsSSD");
317 //UInt_t mod=GetModFromKey(key);
319 //AliITSBadChannelsSSD* badchannels=(AliITSBadChannelsSSD*) ssdEntry->At(mod);
320 // count the number of bad channels on the p side
321 //nrBadInMod += (badchannels->GetBadPChannelsList()).GetSize();
322 // add the number of bad channels on the s side
323 //nrBadInMod += (badchannels->GetBadNChannelsList()).GetSize();
326 //_____________________________________________________________________________
327 Double_t AliITSPlaneEffSSD::GetFracBad(const UInt_t key) const {
328 // returns 1-fractional live
330 {AliError("GetFracBad: you asked for a non existing key");
332 return 1.-GetFracLive(key);
334 //_____________________________________________________________________________
335 Bool_t AliITSPlaneEffSSD::WriteIntoCDB() const {
338 {AliError("WriteIntoCDB: CDB not inizialized. Call InitCDB first");
340 // to be written properly: now only for debugging
341 AliCDBMetaData *md= new AliCDBMetaData(); // metaData describing the object
342 md->SetObjectClassName("AliITSPlaneEff");
343 md->SetResponsible("Giuseppe Eugenio Bruno");
344 md->SetBeamPeriod(0);
345 md->SetAliRootVersion("head 02/01/08"); //root version
346 AliCDBId id("ITS/PlaneEff/PlaneEffSSD",0,AliCDBRunRange::Infinity());
347 AliITSPlaneEffSSD eff;
349 Bool_t r=AliCDBManager::Instance()->GetDefaultStorage()->Put(&eff,id,md);
353 //_____________________________________________________________________________
354 Bool_t AliITSPlaneEffSSD::ReadFromCDB() {
357 {AliError("ReadFromCDB: CDB not inizialized. Call InitCDB first");
359 AliCDBEntry *cdbEntry = AliCDBManager::Instance()->Get("ITS/PlaneEff/PlaneEffSSD",fRunNumber);
360 if(!cdbEntry) return kFALSE;
361 AliITSPlaneEffSSD* eff= (AliITSPlaneEffSSD*)cdbEntry->GetObject();
362 if(this==eff) return kFALSE;
363 if(fHis) CopyHistos(*eff); // If histos already exist then copy them to eff
364 eff->Copy(*this); // copy everything (statistics and histos) from eff to this
367 //_____________________________________________________________________________
368 Bool_t AliITSPlaneEffSSD::AddFromCDB(AliCDBId *cdbId) {
369 // Read (actually add the statistics) plane eff. from Data Base
370 AliCDBEntry *cdbEntry=0;
373 {AliError("ReadFromCDB: CDB not inizialized. Call InitCDB first"); return kFALSE;}
374 cdbEntry = AliCDBManager::Instance()->Get("ITS/PlaneEff/PlaneEffSSD",fRunNumber);
376 cdbEntry = AliCDBManager::Instance()->Get(*cdbId);
378 if(!cdbEntry) return kFALSE;
379 AliITSPlaneEffSSD* eff= (AliITSPlaneEffSSD*)cdbEntry->GetObject();
383 //_____________________________________________________________________________
384 UInt_t AliITSPlaneEffSSD::GetKeyFromDetLocCoord(Int_t ilay, Int_t idet,
385 Float_t, Float_t) const {
386 // method to locate a basic block from Detector Local coordinate (to be used in tracking)
389 {AliError("GetKeyFromDetLocCoord: you asked for a non existing layer");
391 if(ilay==4 && (idet<0 || idet>747))
392 {AliError("GetKeyFromDetLocCoord: you asked for a non existing detector");
394 if(ilay==5 && (idet<0 || idet>949))
395 {AliError("GetKeyFromDetLocCoord: you asked for a non existing detector");
399 if(ilay==5) mod+=748;
403 //__________________________________________________________
404 void AliITSPlaneEffSSD::InitHistos() {
405 // for the moment let's create the histograms
407 TString histnameResX="HistResX_mod_",aux;
408 TString histnameResZ="HistResZ_mod_";
409 TString histnameResXZ="HistResXZ_mod_";
410 TString histnameClusterType="HistClusterType_mod_";
411 TString histnameTrackErrX="HistTrackErrX_mod_";
412 TString histnameTrackErrZ="HistTrackErrZ_mod_";
413 TString histnameClusErrX="HistClusErrX_mod_";
414 TString histnameClusErrZ="HistClusErrZ_mod_";
417 TH1::AddDirectory(kFALSE);
419 fHisResX=new TH1F*[kNHisto];
420 fHisResZ=new TH1F*[kNHisto];
421 fHisResXZ=new TH2F*[kNHisto];
422 fHisClusterSize=new TH2I*[kNHisto];
423 fHisTrackErrX=new TH1F*[kNHisto];
424 fHisTrackErrZ=new TH1F*[kNHisto];
425 fHisClusErrX=new TH1F*[kNHisto];
426 fHisClusErrZ=new TH1F*[kNHisto];
428 for (Int_t nhist=0;nhist<kNHisto;nhist++){
431 fHisResX[nhist]=new TH1F("histname","histname",500,-0.10,0.10); // +- 1000 micron; 1 bin=4 micron
432 fHisResX[nhist]->SetName(aux.Data());
433 fHisResX[nhist]->SetTitle(aux.Data());
437 fHisResZ[nhist]=new TH1F("histname","histname",750,-0.75,0.75); // +-5000 micron; 1 bin=20 micron
438 fHisResZ[nhist]->SetName(aux.Data());
439 fHisResZ[nhist]->SetTitle(aux.Data());
443 fHisResXZ[nhist]=new TH2F("histname","histname",40,-0.04,0.04,40,-0.32,0.32); // binning:
446 fHisResXZ[nhist]->SetName(aux.Data());
447 fHisResXZ[nhist]->SetTitle(aux.Data());
449 aux=histnameClusterType;
451 fHisClusterSize[nhist]=new TH2I("histname","histname",6,0.5,6.5,6,0.5,6.5);
452 fHisClusterSize[nhist]->SetName(aux.Data());
453 fHisClusterSize[nhist]->SetTitle(aux.Data());
455 aux=histnameTrackErrX;
457 fHisTrackErrX[nhist]=new TH1F("histname","histname",300,0.,0.24); // 0-2400 micron; 1 bin=8 micron
458 fHisTrackErrX[nhist]->SetName(aux.Data());
459 fHisTrackErrX[nhist]->SetTitle(aux.Data());
461 aux=histnameTrackErrZ;
463 fHisTrackErrZ[nhist]=new TH1F("histname","histname",300,0.,0.48); // 0-4800 micron; 1 bin=16 micron
464 fHisTrackErrZ[nhist]->SetName(aux.Data());
465 fHisTrackErrZ[nhist]->SetTitle(aux.Data());
467 aux=histnameClusErrX;
469 fHisClusErrX[nhist]=new TH1F("histname","histname",300,0.,0.24); // 0-2400 micron; 1 bin=8 micron
470 fHisClusErrX[nhist]->SetName(aux.Data());
471 fHisClusErrX[nhist]->SetTitle(aux.Data());
473 aux=histnameClusErrZ;
475 fHisClusErrZ[nhist]=new TH1F("histname","histname",200,0.,0.32); // 0-1600 micron; 1 bin=16 micron
476 fHisClusErrZ[nhist]->SetName(aux.Data());
477 fHisClusErrZ[nhist]->SetTitle(aux.Data());
481 TH1::AddDirectory(kTRUE);
485 //__________________________________________________________
486 void AliITSPlaneEffSSD::DeleteHistos() {
487 // Delete histograms and remove them from memory
489 for (Int_t i=0; i<kNHisto; i++ ) delete fHisResX[i];
490 delete [] fHisResX; fHisResX=0;
493 for (Int_t i=0; i<kNHisto; i++ ) delete fHisResZ[i];
494 delete [] fHisResZ; fHisResZ=0;
497 for (Int_t i=0; i<kNHisto; i++ ) delete fHisResXZ[i];
498 delete [] fHisResXZ; fHisResXZ=0;
500 if(fHisClusterSize) {
501 for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusterSize[i];
502 delete [] fHisClusterSize; fHisClusterSize=0;
505 for (Int_t i=0; i<kNHisto; i++ ) delete fHisTrackErrX[i];
506 delete [] fHisTrackErrX; fHisTrackErrX=0;
509 for (Int_t i=0; i<kNHisto; i++ ) delete fHisTrackErrZ[i];
510 delete [] fHisTrackErrZ; fHisTrackErrZ=0;
513 for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusErrX[i];
514 delete [] fHisClusErrX; fHisClusErrX=0;
517 for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusErrZ[i];
518 delete [] fHisClusErrZ; fHisClusErrZ=0;
523 //__________________________________________________________
524 Bool_t AliITSPlaneEffSSD::FillHistos(UInt_t key, Bool_t found,
525 Float_t *tr, Float_t *clu, Int_t *csize, Float_t*) {
526 // this method fill the histograms
527 // input: - key: unique key of the basic block
528 // - found: Boolean to asses whether a cluster has been associated to the track or not
529 // - tr[0],tr[1] local X and Z coordinates of the track prediction, respectively
530 // - tr[2],tr[3] error on local X and Z coordinates of the track prediction, respectively
531 // - clu[0],clu[1] local X and Z coordinates of the cluster associated to the track, respectively
532 // - clu[2],clu[3] error on local X and Z coordinates of the cluster associated to the track, respectively
533 // - csize[0][1] cluster size in X and Z, respectively
534 // output: kTRUE if filling was succesfull kFALSE otherwise
535 // side effects: updating of the histograms.
538 AliWarning("FillHistos: histograms do not exist! Call SetCreateHistos(kTRUE) first");
542 {AliWarning("FillHistos: you asked for a non existing key"); return kFALSE;}
543 Int_t id=GetModFromKey(key);
545 {AliWarning("FillHistos: you want to fill a non-existing histos"); return kFALSE;}
547 Float_t resx=tr[0]-clu[0];
548 Float_t resz=tr[1]-clu[1];
549 fHisResX[id]->Fill(resx);
550 fHisResZ[id]->Fill(resz);
551 fHisResXZ[id]->Fill(resx,resz);
552 fHisClusterSize[id]->Fill((Double_t)csize[0],(Double_t)csize[1]);
554 fHisTrackErrX[id]->Fill(tr[2]);
555 fHisTrackErrZ[id]->Fill(tr[3]);
556 fHisClusErrX[id]->Fill(clu[2]);
557 fHisClusErrZ[id]->Fill(clu[3]);
560 //__________________________________________________________
561 Bool_t AliITSPlaneEffSSD::WriteHistosToFile(TString filename, Option_t* option) {
563 // Saves the histograms into a tree and saves the trees into a file
565 if (!fHis) return kFALSE;
566 if (filename.IsNull() || filename.IsWhitespace()) {
567 AliWarning("WriteHistosToFile: null output filename!");
571 TFile *hFile=new TFile(filename.Data(),option,
572 "The File containing the TREEs with ITS PlaneEff Histos");
573 TTree *SSDTree=new TTree("SSDTree","Tree whith Residuals and Cluster Type distributions for SSD");
576 TH2I *histClusterType;
577 TH1F *histTrErrZ,*histTrErrX;
578 TH1F *histClErrZ,*histClErrX;
583 histClusterType=new TH2I();
584 histTrErrX=new TH1F();
585 histTrErrZ=new TH1F();
586 histClErrX=new TH1F();
587 histClErrZ=new TH1F();
589 SSDTree->Branch("histX","TH1F",&histX,128000,0);
590 SSDTree->Branch("histZ","TH1F",&histZ,128000,0);
591 SSDTree->Branch("histXZ","TH2F",&histXZ,128000,0);
592 SSDTree->Branch("histClusterType","TH2I",&histClusterType,128000,0);
593 SSDTree->Branch("histTrErrX","TH1F",&histTrErrX,128000,0);
594 SSDTree->Branch("histTrErrZ","TH1F",&histTrErrZ,128000,0);
595 SSDTree->Branch("histClErrX","TH1F",&histClErrX,128000,0);
596 SSDTree->Branch("histClErrZ","TH1F",&histClErrZ,128000,0);
598 for(Int_t j=0;j<kNHisto;j++){
602 histClusterType=fHisClusterSize[j];
603 histTrErrX=fHisTrackErrX[j];
604 histTrErrZ=fHisTrackErrZ[j];
605 histClErrX=fHisClusErrX[j];
606 histClErrZ=fHisClusErrZ[j];
614 //__________________________________________________________
615 Bool_t AliITSPlaneEffSSD::ReadHistosFromFile(TString filename) {
617 // Read histograms from an already existing file
619 if (!fHis) return kFALSE;
620 if (filename.IsNull() || filename.IsWhitespace()) {
621 AliWarning("ReadHistosFromFile: incorrect output filename!");
629 TFile *file=TFile::Open(filename.Data(),"READONLY");
631 if (!file || file->IsZombie()) {
632 AliWarning(Form("Can't open %s !",filename.Data()));
636 TTree *tree = (TTree*) file->Get("SSDTree");
638 TBranch *histX = (TBranch*) tree->GetBranch("histX");
639 TBranch *histZ = (TBranch*) tree->GetBranch("histZ");
640 TBranch *histXZ = (TBranch*) tree->GetBranch("histXZ");
641 TBranch *histClusterType = (TBranch*) tree->GetBranch("histClusterType");
642 TBranch *histTrErrX = (TBranch*) tree->GetBranch("histTrErrX");
643 TBranch *histTrErrZ = (TBranch*) tree->GetBranch("histTrErrZ");
644 TBranch *histClErrX = (TBranch*) tree->GetBranch("histClErrX");
645 TBranch *histClErrZ = (TBranch*) tree->GetBranch("histClErrZ");
649 Int_t nevent = (Int_t)histX->GetEntries();
651 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
652 histX->SetAddress(&h);
653 for(Int_t j=0;j<kNHisto;j++){
658 nevent = (Int_t)histZ->GetEntries();
660 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
661 histZ->SetAddress(&h);
662 for(Int_t j=0;j<kNHisto;j++){
667 nevent = (Int_t)histXZ->GetEntries();
669 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
670 histXZ->SetAddress(&h2);
671 for(Int_t j=0;j<kNHisto;j++){
673 fHisResXZ[j]->Add(h2);
676 nevent = (Int_t)histClusterType->GetEntries();
678 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
679 histClusterType->SetAddress(&h2i);
680 for(Int_t j=0;j<kNHisto;j++){
681 histClusterType->GetEntry(j);
682 fHisClusterSize[j]->Add(h2i);
685 nevent = (Int_t)histTrErrX->GetEntries();
687 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
688 histTrErrX->SetAddress(&h);
689 for(Int_t j=0;j<kNHisto;j++){
690 histTrErrX->GetEntry(j);
691 fHisTrackErrX[j]->Add(h);
694 nevent = (Int_t)histTrErrZ->GetEntries();
696 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
697 histTrErrZ->SetAddress(&h);
698 for(Int_t j=0;j<kNHisto;j++){
699 histTrErrZ->GetEntry(j);
700 fHisTrackErrZ[j]->Add(h);
703 nevent = (Int_t)histClErrX->GetEntries();
705 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
706 histClErrX->SetAddress(&h);
707 for(Int_t j=0;j<kNHisto;j++){
709 histClErrX->GetEntry(j);
710 fHisClusErrX[j]->Add(h);
713 nevent = (Int_t)histClErrZ->GetEntries();
715 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
716 histClErrZ->SetAddress(&h);
717 for(Int_t j=0;j<kNHisto;j++){
719 histClErrZ->GetEntry(j);
720 fHisClusErrZ[j]->Add(h);