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++){
56 // 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]);
187 /* Commented out by M.Masera 8/3/08
188 //______________________________________________________________________
189 AliITSPlaneEff& AliITSPlaneEffSSD::operator=(const
191 // Assignment operator
193 // AliITSPlaneEffSSD &s The original class for which
194 // this class is a copy of
199 if(&s == this) return *this;
200 AliError("operator=: Not allowed to make a =, use default creater instead");
204 //_______________________________________________________________________
205 Int_t AliITSPlaneEffSSD::GetMissingTracksForGivenEff(Double_t eff, Double_t RelErr,
208 // Estimate the number of tracks still to be collected to attain a
209 // given efficiency eff, with relative error RelErr
211 // eff -> Expected efficiency (e.g. those from actual estimate)
212 // RelErr -> tollerance [0,1]
213 // im -> module number [0,1697]
215 // Return: the estimated n. of tracks
218 {AliError("GetMissingTracksForGivenEff: you asked for a non existing module");
220 else return GetNTracksForGivenEff(eff,RelErr)-fTried[GetKey(im)];
222 //_________________________________________________________________________
223 Double_t AliITSPlaneEffSSD::PlaneEff(const UInt_t im) const {
224 // Compute the efficiency for a basic block,
226 // im -> module number [0,1697]
228 {AliError("PlaneEff(UInt_t): you asked for a non existing module"); return -1.;}
229 Int_t nf=fFound[GetKey(im)];
230 Int_t nt=fTried[GetKey(im)];
231 return AliITSPlaneEff::PlaneEff(nf,nt);
233 //_________________________________________________________________________
234 Double_t AliITSPlaneEffSSD::ErrPlaneEff(const UInt_t im) const {
235 // Compute the statistical error on efficiency for a basic block,
236 // using binomial statistics
238 // im -> module number [0,1697]
240 {AliError("ErrPlaneEff(UInt_t): you asked for a non existing module"); return -1.;}
241 Int_t nf=fFound[GetKey(im)];
242 Int_t nt=fTried[GetKey(im)];
243 return AliITSPlaneEff::ErrPlaneEff(nf,nt);
245 //_________________________________________________________________________
246 Bool_t AliITSPlaneEffSSD::UpDatePlaneEff(const Bool_t Kfound, const UInt_t im) {
247 // Update efficiency for a basic block
249 {AliError("UpDatePlaneEff: you asked for a non existing module"); return kFALSE;}
250 fTried[GetKey(im)]++;
251 if(Kfound) fFound[GetKey(im)]++;
254 //_________________________________________________________________________
255 UInt_t AliITSPlaneEffSSD::GetKey(const UInt_t mod) const {
256 // get key given a basic block
258 {AliError("GetKey: you asked for a non existing block"); return 99999;}
261 //__________________________________________________________________________
262 UInt_t AliITSPlaneEffSSD::GetModFromKey(const UInt_t key) const {
265 {AliError("GetModFromKey: you asked for a non existing key"); return 9999;}
268 //__________________________________________________________________________
269 Double_t AliITSPlaneEffSSD::LivePlaneEff(UInt_t key) const {
270 // returns plane efficieny after adding the fraction of sensor which is bad
272 {AliError("LivePlaneEff: you asked for a non existing key");
274 Double_t leff=AliITSPlaneEff::LivePlaneEff(0); // this just for the Warning
275 leff=PlaneEff(key)+GetFracBad(key);
276 return leff>1?1:leff;
278 //____________________________________________________________________________
279 Double_t AliITSPlaneEffSSD::ErrLivePlaneEff(UInt_t key) const {
280 // returns error on live plane efficiency
282 {AliError("ErrLivePlaneEff: you asked for a non existing key");
284 Int_t nf=fFound[key];
285 Double_t triedInLive=GetFracLive(key)*fTried[key];
286 Int_t nt=TMath::Max(nf,TMath::Nint(triedInLive));
287 return AliITSPlaneEff::ErrPlaneEff(nf,nt); // for the time being: to be checked
289 //_____________________________________________________________________________
290 Double_t AliITSPlaneEffSSD::GetFracLive(const UInt_t key) const {
291 // returns the fraction of the sensor area which is OK (neither noisy nor dead)
292 // As for now, it computes only the fraction of good strips / total strips.
293 // If this fraction is large, then the computation is a good approximation.
294 // In any case, it is a lower limit of the fraction of the live area.
295 // The next upgrades would be to add the fraction of area of superoposition
296 // between bad N-side strips and bad P-side strips.
298 {AliError("GetFracLive: you asked for a non existing key");
300 AliInfo("GetFracLive: it computes only the fraction of working strips (N+P side) / total strips");
302 GetBadInModule(key,bad);
304 live/=(kNChip*kNSide*kNStrip);
307 //_____________________________________________________________________________
308 void AliITSPlaneEffSSD::GetBadInModule(const UInt_t key, UInt_t& nrBadInMod) const {
309 // returns the number of dead and noisy strips (sum of P and N sides).
312 {AliError("GetBadInModule: you asked for a non existing key");
314 // Compute the number of bad (dead+noisy) pixel in a module
317 {AliError("GetBadInModule: CDB not inizialized: call InitCDB first");
319 AliCDBManager* man = AliCDBManager::Instance();
320 // retrieve map of dead Pixel
321 AliCDBEntry *cdbSSD = man->Get("ITS/Calib/BadChannelsSSD", fRunNumber);
324 ssdEntry = (TObjArray*)cdbSSD->GetObject();
326 {AliError("GetBadInChip: SSDEntry not found in CDB");
329 AliError("GetBadInChip: did not find Calib/BadChannelsSSD");
333 //UInt_t mod=GetModFromKey(key);
335 //AliITSBadChannelsSSD* badchannels=(AliITSBadChannelsSSD*) ssdEntry->At(mod);
336 // count the number of bad channels on the p side
337 //nrBadInMod += (badchannels->GetBadPChannelsList()).GetSize();
338 // add the number of bad channels on the s side
339 //nrBadInMod += (badchannels->GetBadNChannelsList()).GetSize();
342 //_____________________________________________________________________________
343 Double_t AliITSPlaneEffSSD::GetFracBad(const UInt_t key) const {
344 // returns 1-fractional live
346 {AliError("GetFracBad: you asked for a non existing key");
348 return 1.-GetFracLive(key);
350 //_____________________________________________________________________________
351 Bool_t AliITSPlaneEffSSD::WriteIntoCDB() const {
354 {AliError("WriteIntoCDB: CDB not inizialized. Call InitCDB first");
356 // to be written properly: now only for debugging
357 AliCDBMetaData *md= new AliCDBMetaData(); // metaData describing the object
358 md->SetObjectClassName("AliITSPlaneEff");
359 md->SetResponsible("Giuseppe Eugenio Bruno");
360 md->SetBeamPeriod(0);
361 md->SetAliRootVersion("head 02/01/08"); //root version
362 AliCDBId id("ITS/PlaneEff/PlaneEffSSD",0,AliCDBRunRange::Infinity());
363 AliITSPlaneEffSSD eff;
365 Bool_t r=AliCDBManager::Instance()->GetDefaultStorage()->Put(&eff,id,md);
369 //_____________________________________________________________________________
370 Bool_t AliITSPlaneEffSSD::ReadFromCDB() {
373 {AliError("ReadFromCDB: CDB not inizialized. Call InitCDB first");
375 AliCDBEntry *cdbEntry = AliCDBManager::Instance()->Get("ITS/PlaneEff/PlaneEffSSD",fRunNumber);
376 if(!cdbEntry) return kFALSE;
377 AliITSPlaneEffSSD* eff= (AliITSPlaneEffSSD*)cdbEntry->GetObject();
378 if(this==eff) return kFALSE;
379 if(fHis) CopyHistos(*eff); // If histos already exist then copy them to eff
380 eff->Copy(*this); // copy everything (statistics and histos) from eff to this
383 //_____________________________________________________________________________
384 Bool_t AliITSPlaneEffSSD::AddFromCDB(AliCDBId *cdbId) {
385 AliCDBEntry *cdbEntry=0;
388 {AliError("ReadFromCDB: CDB not inizialized. Call InitCDB first"); return kFALSE;}
389 cdbEntry = AliCDBManager::Instance()->Get("ITS/PlaneEff/PlaneEffSSD",fRunNumber);
391 cdbEntry = AliCDBManager::Instance()->Get(*cdbId);
393 if(!cdbEntry) return kFALSE;
394 AliITSPlaneEffSSD* eff= (AliITSPlaneEffSSD*)cdbEntry->GetObject();
398 //_____________________________________________________________________________
399 UInt_t AliITSPlaneEffSSD::GetKeyFromDetLocCoord(Int_t ilay, Int_t idet,
400 Float_t, Float_t) const {
401 // method to locate a basic block from Detector Local coordinate (to be used in tracking)
404 {AliError("GetKeyFromDetLocCoord: you asked for a non existing layer");
406 if(ilay==4 && (idet<0 || idet>747))
407 {AliError("GetKeyFromDetLocCoord: you asked for a non existing detector");
409 if(ilay==5 && (idet<0 || idet>949))
410 {AliError("GetKeyFromDetLocCoord: you asked for a non existing detector");
414 if(ilay==5) mod+=748;
418 //__________________________________________________________
419 void AliITSPlaneEffSSD::InitHistos() {
420 // for the moment let's create the histograms
422 TString histnameResX="HistResX_mod_",aux;
423 TString histnameResZ="HistResZ_mod_";
424 TString histnameResXZ="HistResXZ_mod_";
425 TString histnameClusterType="HistClusterType_mod_";
426 TString histnameTrackErrX="HistTrackErrX_mod_";
427 TString histnameTrackErrZ="HistTrackErrZ_mod_";
428 TString histnameClusErrX="HistClusErrX_mod_";
429 TString histnameClusErrZ="HistClusErrZ_mod_";
432 TH1::AddDirectory(kFALSE);
434 fHisResX=new TH1F*[kNHisto];
435 fHisResZ=new TH1F*[kNHisto];
436 fHisResXZ=new TH2F*[kNHisto];
437 fHisClusterSize=new TH2I*[kNHisto];
438 fHisTrackErrX=new TH1F*[kNHisto];
439 fHisTrackErrZ=new TH1F*[kNHisto];
440 fHisClusErrX=new TH1F*[kNHisto];
441 fHisClusErrZ=new TH1F*[kNHisto];
443 for (Int_t nhist=0;nhist<kNHisto;nhist++){
446 fHisResX[nhist]=new TH1F("histname","histname",500,-0.05,0.05); // +- 500 micron; 1 bin=2 micron
447 fHisResX[nhist]->SetName(aux.Data());
448 fHisResX[nhist]->SetTitle(aux.Data());
452 fHisResZ[nhist]=new TH1F("histname","histname",500,-0.50,0.50); // +-5000 micron; 1 bin=20 micron
453 fHisResZ[nhist]->SetName(aux.Data());
454 fHisResZ[nhist]->SetTitle(aux.Data());
458 fHisResXZ[nhist]=new TH2F("histname","histname",40,-0.02,0.02,40,-0.16,0.16); // binning:
461 fHisResXZ[nhist]->SetName(aux.Data());
462 fHisResXZ[nhist]->SetTitle(aux.Data());
464 aux=histnameClusterType;
466 fHisClusterSize[nhist]=new TH2I("histname","histname",6,0.5,6.5,6,0.5,6.5);
467 fHisClusterSize[nhist]->SetName(aux.Data());
468 fHisClusterSize[nhist]->SetTitle(aux.Data());
470 aux=histnameTrackErrX;
472 fHisTrackErrX[nhist]=new TH1F("histname","histname",200,0.,0.08); // 0-800 micron; 1 bin=4 micron
473 fHisTrackErrX[nhist]->SetName(aux.Data());
474 fHisTrackErrX[nhist]->SetTitle(aux.Data());
476 aux=histnameTrackErrZ;
478 fHisTrackErrZ[nhist]=new TH1F("histname","histname",200,0.,0.32); // 0-3200 micron; 1 bin=16 micron
479 fHisTrackErrZ[nhist]->SetName(aux.Data());
480 fHisTrackErrZ[nhist]->SetTitle(aux.Data());
482 aux=histnameClusErrX;
484 fHisClusErrX[nhist]=new TH1F("histname","histname",200,0.,0.08); // 0-800 micron; 1 bin=4 micron
485 fHisClusErrX[nhist]->SetName(aux.Data());
486 fHisClusErrX[nhist]->SetTitle(aux.Data());
488 aux=histnameClusErrZ;
490 fHisClusErrZ[nhist]=new TH1F("histname","histname",200,0.,0.16); // 0-1600 micron; 1 bin=8 micron
491 fHisClusErrZ[nhist]->SetName(aux.Data());
492 fHisClusErrZ[nhist]->SetTitle(aux.Data());
496 TH1::AddDirectory(kTRUE);
500 //__________________________________________________________
501 void AliITSPlaneEffSSD::DeleteHistos() {
503 for (Int_t i=0; i<kNHisto; i++ ) delete fHisResX[i];
504 delete [] fHisResX; fHisResX=0;
507 for (Int_t i=0; i<kNHisto; i++ ) delete fHisResZ[i];
508 delete [] fHisResZ; fHisResZ=0;
511 for (Int_t i=0; i<kNHisto; i++ ) delete fHisResXZ[i];
512 delete [] fHisResXZ; fHisResXZ=0;
514 if(fHisClusterSize) {
515 for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusterSize[i];
516 delete [] fHisClusterSize; fHisClusterSize=0;
519 for (Int_t i=0; i<kNHisto; i++ ) delete fHisTrackErrX[i];
520 delete [] fHisTrackErrX; fHisTrackErrX=0;
523 for (Int_t i=0; i<kNHisto; i++ ) delete fHisTrackErrZ[i];
524 delete [] fHisTrackErrZ; fHisTrackErrZ=0;
527 for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusErrX[i];
528 delete [] fHisClusErrX; fHisClusErrX=0;
531 for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusErrZ[i];
532 delete [] fHisClusErrZ; fHisClusErrZ=0;
537 //__________________________________________________________
538 Bool_t AliITSPlaneEffSSD::FillHistos(UInt_t key, Bool_t found,
539 // Float_t tXZ[2], Float_t cXZ[2], Int_t ctXZ[2]) {
540 Float_t *tr, Float_t *clu, Int_t *csize) {
541 // this method fill the histograms
542 // input: - key: unique key of the basic block
543 // - found: Boolean to asses whether a cluster has been associated to the track or not
544 // - tr[0],tr[1] local X and Z coordinates of the track prediction, respectively
545 // - tr[2],tr[3] error on local X and Z coordinates of the track prediction, respectively
546 // - clu[0],clu[1] local X and Z coordinates of the cluster associated to the track, respectively
547 // - clu[2],clu[3] error on local X and Z coordinates of the cluster associated to the track, respectively
548 // - csize[0][1] cluster size in X and Z, respectively
549 // output: kTRUE if filling was succesfull kFALSE otherwise
550 // side effects: updating of the histograms.
553 AliWarning("FillHistos: histograms do not exist! Call SetCreateHistos(kTRUE) first");
557 {AliWarning("FillHistos: you asked for a non existing key"); return kFALSE;}
558 Int_t id=GetModFromKey(key);
560 {AliWarning("FillHistos: you want to fill a non-existing histos"); return kFALSE;}
562 Float_t resx=tr[0]-clu[0];
563 Float_t resz=tr[1]-clu[1];
564 fHisResX[id]->Fill(resx);
565 fHisResZ[id]->Fill(resz);
566 fHisResXZ[id]->Fill(resx,resz);
567 fHisClusterSize[id]->Fill((Double_t)csize[0],(Double_t)csize[1]);
569 fHisTrackErrX[id]->Fill(tr[2]);
570 fHisTrackErrZ[id]->Fill(tr[3]);
571 fHisClusErrX[id]->Fill(clu[2]);
572 fHisClusErrZ[id]->Fill(clu[3]);
575 //__________________________________________________________
576 Bool_t AliITSPlaneEffSSD::WriteHistosToFile(TString filename, Option_t* option) {
578 // Saves the histograms into a tree and saves the trees into a file
580 if (!fHis) return kFALSE;
581 if (filename.Data()=="") {
582 AliWarning("WriteHistosToFile: null output filename!");
585 // char branchname[30];
586 TFile *hFile=new TFile(filename.Data(),option,
587 "The File containing the TREEs with ITS PlaneEff Histos");
588 TTree *SSDTree=new TTree("SSDTree","Tree whith Residuals and Cluster Type distributions for SSD");
591 TH2I *histClusterType;
592 TH1F *histTrErrZ,*histTrErrX;
593 TH1F *histClErrZ,*histClErrX;
598 histClusterType=new TH2I();
599 histTrErrX=new TH1F();
600 histTrErrZ=new TH1F();
601 histClErrX=new TH1F();
602 histClErrZ=new TH1F();
604 SSDTree->Branch("histX","TH1F",&histX,128000,0);
605 SSDTree->Branch("histZ","TH1F",&histZ,128000,0);
606 SSDTree->Branch("histXZ","TH2F",&histXZ,128000,0);
607 SSDTree->Branch("histClusterType","TH2I",&histClusterType,128000,0);
608 SSDTree->Branch("histTrErrX","TH1F",&histTrErrX,128000,0);
609 SSDTree->Branch("histTrErrZ","TH1F",&histTrErrZ,128000,0);
610 SSDTree->Branch("histClErrX","TH1F",&histClErrX,128000,0);
611 SSDTree->Branch("histClErrZ","TH1F",&histClErrZ,128000,0);
613 for(Int_t j=0;j<kNHisto;j++){
617 histClusterType=fHisClusterSize[j];
618 histTrErrX=fHisTrackErrX[j];
619 histTrErrZ=fHisTrackErrZ[j];
620 histClErrX=fHisClusErrX[j];
621 histClErrZ=fHisClusErrZ[j];
629 //__________________________________________________________
630 Bool_t AliITSPlaneEffSSD::ReadHistosFromFile(TString filename) {
632 // Read histograms from an already existing file
634 if (!fHis) return kFALSE;
635 if (filename.Data()=="") {
636 AliWarning("ReadHistosFromFile: incorrect output filename!");
639 //char branchname[30];
645 TFile *file=TFile::Open(filename.Data(),"READONLY");
647 if (!file || file->IsZombie()) {
648 AliWarning(Form("Can't open %s !",filename.Data()));
652 TTree *tree = (TTree*) file->Get("SSDTree");
654 TBranch *histX = (TBranch*) tree->GetBranch("histX");
655 TBranch *histZ = (TBranch*) tree->GetBranch("histZ");
656 TBranch *histXZ = (TBranch*) tree->GetBranch("histXZ");
657 TBranch *histClusterType = (TBranch*) tree->GetBranch("histClusterType");
658 TBranch *histTrErrX = (TBranch*) tree->GetBranch("histTrErrX");
659 TBranch *histTrErrZ = (TBranch*) tree->GetBranch("histTrErrZ");
660 TBranch *histClErrX = (TBranch*) tree->GetBranch("histClErrX");
661 TBranch *histClErrZ = (TBranch*) tree->GetBranch("histClErrZ");
665 Int_t nevent = (Int_t)histX->GetEntries();
667 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
668 histX->SetAddress(&h);
669 for(Int_t j=0;j<kNHisto;j++){
675 nevent = (Int_t)histZ->GetEntries();
677 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
678 histZ->SetAddress(&h);
679 for(Int_t j=0;j<kNHisto;j++){
685 nevent = (Int_t)histXZ->GetEntries();
687 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
688 histXZ->SetAddress(&h2);
689 for(Int_t j=0;j<kNHisto;j++){
692 fHisResXZ[j]->Add(h2);
695 nevent = (Int_t)histClusterType->GetEntries();
697 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
698 histClusterType->SetAddress(&h2i);
699 for(Int_t j=0;j<kNHisto;j++){
701 histClusterType->GetEntry(j);
702 fHisClusterSize[j]->Add(h2i);
705 nevent = (Int_t)histTrErrX->GetEntries();
707 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
708 histTrErrX->SetAddress(&h);
709 for(Int_t j=0;j<kNHisto;j++){
711 histTrErrX->GetEntry(j);
712 fHisTrackErrX[j]->Add(h);
715 nevent = (Int_t)histTrErrZ->GetEntries();
717 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
718 histTrErrZ->SetAddress(&h);
719 for(Int_t j=0;j<kNHisto;j++){
721 histTrErrZ->GetEntry(j);
722 fHisTrackErrZ[j]->Add(h);
725 nevent = (Int_t)histClErrX->GetEntries();
727 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
728 histClErrX->SetAddress(&h);
729 for(Int_t j=0;j<kNHisto;j++){
731 histClErrX->GetEntry(j);
732 fHisClusErrX[j]->Add(h);
735 nevent = (Int_t)histClErrZ->GetEntries();
737 {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
738 histClErrZ->SetAddress(&h);
739 for(Int_t j=0;j<kNHisto;j++){
741 histClErrZ->GetEntry(j);
742 fHisClusErrZ[j]->Add(h);