2 // Process ESD tracks -
3 // Extract TPC tracks - write them to tree
8 AnalyzeESDtracks(567); // process tracks
9 // Tracks are written to the file "TPCtracks.root"
10 // Now yo can analyze it
11 TFile fesd("AliESDs.root");
12 TTree * treeE = (TTree*)fesd.Get("esdTree");
13 TFile f("TPCtracks.root")
14 TTree * tree =(TTree*)f.Get("Tracks");
15 AliComparisonDraw comp;
23 .L AnalyzeESDtracks.C+
26 //AnalyzeESDtracks(567);
29 TFile fesd("AliESDs.root");
30 TTree * treeE = (TTree*)fesd.Get("esdTree");
31 TFile f("TPCtracks.root")
32 TTree * tree =(TTree*)f.Get("Tracks");
33 AliComparisonDraw comp;
36 TFile fs("TPCsignal.root");
37 TTree *treeB =(TTree*)fs.Get("SignalB");
38 TTree *treeN =(TTree*)fs.Get("SignalN");
39 TTree *treeS =(TTree*)fs.Get("Signal");
40 TTree *treef =(TTree*)fs.Get("Fit");
43 FitSignals(treeB,"Max-Median>100&&RMS06<2.5")
44 TFile ffit("FitSignal.root");
45 TTree * treeF = (TTree*)ffit->Get("Fit");
48 TChain chaincl("TreeR","TreeR")
49 chaincl.Add("TPC.RecPoints.root/Event0/TreeR")
50 chaincl.Add("TPC.RecPoints1.root/Event1/TreeR")
51 chaincl.Add("TPC.RecPoints2.root/Event2/TreeR")
52 chaincl.Add("TPC.RecPoints3.root/Event3/TreeR")
63 #include "TTreeStream.h"
64 #include "TEventList.h"
68 #include "TRobustEstimator.h"
74 #include "AliESDfriend.h"
75 #include "AliESDtrack.h"
76 #include "AliTracker.h"
77 #include "AliTPCseed.h"
78 #include "AliTPCclusterMI.h"
79 #include "AliTPCParamSR.h"
80 #include "AliTPCROC.h"
83 #include "TTreeStream.h"
86 #include "AliSignalProcesor.h"
90 void FitSignals(TTree * treeB, TCut cut="Max-Median>150&&RMS06<2&&abs(Median-Mean09)<0.5", Int_t maxS=100);
91 void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction=0.7);
93 void AnalyzeESDtracks(Int_t run){
96 TTreeSRedirector * pcstream = new TTreeSRedirector("TPCtracks.root");
97 TTreeSRedirector &cstream = *pcstream;
99 // dummy magnetic field
100 AliMagF mag("aaa","aaa",1,1,10);
101 AliTracker::SetFieldMap(&mag,kTRUE);
102 TFile f("AliESDs.root");
103 TTree * tree =(TTree*)f.Get("esdTree");
105 tree->SetBranchAddress("ESD",&esd);
107 tree->AddFriend("esdFriendTree","AliESDfriends.root");
108 tree->SetBranchAddress("ESDfriend",&evf);
110 Int_t nevents = tree->GetEntries();
111 TClonesArray *clusters = new TClonesArray("AliTPCclusterMI",160);
112 for (Int_t irow=0; irow<160; irow++){
113 new ((*clusters)[irow]) AliTPCclusterMI; // iitial dummy clusters
116 for (Int_t ievent=0; ievent<nevents; ievent++){
117 tree->GetEntry(ievent);
120 esd->SetESDfriend(evf); //Attach the friend to the ESD
121 for (Int_t itrack =0; itrack<esd->GetNumberOfTracks(); itrack++){
123 if (esd->GetTrack(itrack)->GetFriendTrack()==0) continue;
124 AliESDtrack * etrack = esd->GetTrack(itrack);
125 AliESDfriendTrack * ftrack = (AliESDfriendTrack *)esd->GetTrack(itrack)->GetFriendTrack();
126 AliTPCseed * seed = (AliTPCseed*)(ftrack->GetCalibObject(0));
128 for (Int_t irow=0; irow<160; irow++){
129 if (seed->GetClusterFast(irow)){
130 AliTPCclusterMI * cl = new ((*clusters)[irow]) AliTPCclusterMI(*(seed->GetClusterFast(irow)));
131 cl->SetLabel(itrack,0);
134 AliTPCclusterMI * cl = (AliTPCclusterMI*)clusters->At(irow);
135 cl->SetX(0); cl->SetY(0); cl->SetZ(0); cl->SetQ(0); cl->SetLabel(-1,0);
138 Float_t dEdx = seed->GetdEdx();
139 Float_t dEdxI = seed->CookdEdx(0.05,0.6,0,77);
140 Float_t dEdxO = seed->CookdEdx(0.05,0.6,78,155);
141 Int_t ncl = seed->GetNumberOfClusters();
159 TFile fs("TPCsignal.root");
160 TTree *treeB =(TTree*)fs.Get("SignalB");
162 // Fit central electrode part
164 TTreeSRedirector * pcestream = new TTreeSRedirector("TimeRoot.root");
165 TTree * treece = (TTree*)fs.Get("Signalce");
167 LaserCalib(*pcestream, treece, 900,1000, 0.7);
170 FitSignals(treeB,"Max-Median>150&&RMS06<1.0&&RMS09<1.5&&abs(Median-Mean09)<0.2&&abs(Mean06-Mean09)<0.2",1000);
175 void FitSignals(TTree * treeB, TCut cut, Int_t max){
176 AliSignalProcesor proc;
177 TF1 * f1 = proc.GetAsymGauss();
178 TTreeSRedirector cstream("FitSignal.root");
179 TFile *f = cstream.GetFile();
182 sprintf(lname,"Fit%s", cut.GetTitle());
183 TEventList *list = new TEventList(lname,lname);
184 sprintf(lname,">>Fit%s", cut.GetTitle());
185 treeB->Draw(lname,cut);
186 treeB->SetEventList(list);
188 for (Int_t ievent=0; ievent<list->GetN(); ievent++){
189 if (nFits>max) break;
190 if (nFits%50==0) printf("%d\n",nFits);
192 sprintf(ename,"Fit%d", ievent);
193 Double_t nsample = treeB->Draw("Graph.fY-Mean09:Graph.fX","","",1,ievent);
194 Double_t * signal = treeB->GetV1();
195 Double_t * time = treeB->GetV2();
198 for (Int_t ipos = 0; ipos<nsample; ipos++){
199 if (signal[ipos]>max){
205 Int_t first = TMath::Max(maxpos-10,0.);
206 Int_t last = TMath::Min(maxpos+60, nsample);
209 TH1F his(ename,ename,last-first,first,last);
210 for (Int_t ipos=0; ipos<last-first; ipos++){
211 his.SetBinContent(ipos+1,signal[ipos+first]);
213 treeB->Draw("Sector:Row:Pad","","",1,ievent);
214 Double_t sector = treeB->GetV1()[0];
215 Double_t row = treeB->GetV2()[0];
216 Double_t pad = treeB->GetV3()[0];
217 // TGraph graph(last-first,&time[first],&signal[first]);
218 f1->SetParameters(0.75*max,maxpos,1.1,0.8,0.25,0.2);
219 // TH1F * his = (TH1F*)graph.GetHistogram();
226 for (Int_t ipar=0; ipar<6; ipar++) params[ipar] = f1->GetParameters()[ipar];
227 Double_t chi2 = TFitter::GetFitter()->Chisquare(6,params);
229 cov.SetMatrixArray(TFitter::GetFitter()->GetCovarianceMatrix());
236 for (Int_t ipos=0; ipos<last-first; ipos++){
237 x0[ipos] = signal[ipos+first];
239 proc.TailCancelationALTRO1(x0,x1,0.85*0.339,0.09,last-first);
240 proc.TailCancelationALTRO1(x1,x2,0.85,0.789,last-first);
242 sprintf(ename,"Cancel1_%d", ievent);
243 TH1F his1(ename,ename,last-first,first,last);
244 for (Int_t ipos=0; ipos<last-first; ipos++){
245 his1.SetBinContent(ipos+1,x1[ipos]);
248 sprintf(ename,"Cancel2_%d", ievent);
249 TH1F his2(ename,ename,last-first,first,last);
250 for (Int_t ipos=0; ipos<last-first; ipos++){
251 his2.SetBinContent(ipos+1,x1[ipos]);
253 f1->SetParameters(0.75*max,maxpos,1.1,0.8,0.25,0.2);
257 for (Int_t ipar=0; ipar<6; ipar++) params2[ipar] = f1->GetParameters()[ipar];
258 Double_t chi22 = TFitter::GetFitter()->Chisquare(6,params2);
260 cov2.SetMatrixArray(TFitter::GetFitter()->GetCovarianceMatrix());
262 TGraph gr0(last-first, &time[first],x0);
263 TGraph gr1(last-first, &time[first],x1);
264 TGraph gr2(last-first, &time[first],x2);
300 void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction){
304 const Double_t kMaxDelta=10;
307 TFile fce("TPCsignal.root");
308 TTree * treece =(TTree*)fce.Get("Signalce");
309 if (chain) treece=chain;
311 TBranch * brsector = treece->GetBranch("Sector");
312 TBranch * brpad = treece->GetBranch("Pad");
313 TBranch * brrow = treece->GetBranch("Row");
315 TBranch * brtime = treece->GetBranch("Time");
316 TBranch * brrms = treece->GetBranch("RMS06");
317 TBranch * brmax = treece->GetBranch("Max");
318 TBranch * brsum = treece->GetBranch("Qsum");
320 Int_t sector, pad, row=0;
321 Double_t time=0, rms=0, qMax=0, qSum=0;
322 brsector->SetAddress(§or);
323 brrow->SetAddress(&row);
324 brpad->SetAddress(&pad);
326 brtime->SetAddress(&time);
327 brrms->SetAddress(&rms);
328 brmax->SetAddress(&qMax);
329 brsum->SetAddress(&qSum);
332 brsector->GetEntry(0);
334 Int_t firstSector = sector;
335 Int_t lastSector = sector;
339 // find time offset for differnt events
342 Double_t padTimes[500000];
343 TRobustEstimator restim;
344 Double_t meanS[72], sigmaS[72];
345 Int_t firstS[72], lastS[72];
346 Double_t sectorsID[72];
347 for (Int_t isector=0;isector<72; isector++){
351 TH1F hisT("hisT","hisT",100,tmin,tmax);
352 treece->Draw("Time>>hisT","");
353 Float_t cbin = hisT.GetBinCenter(hisT.GetMaximumBin());
355 for (Int_t ientry=0; ientry<treece->GetEntriesFast(); ientry++){
356 treece->GetEvent(ientry);
358 if (sector!=lastSector && sector==firstSector){
359 //if (sector!=lastSector){
361 printf("\nEvent\t%d\tFirst\t%d\tLast\t%d\t%d\n",count, fentry, lentry, lentry-fentry);
365 for (Int_t ientry2=fentry; ientry2<lentry; ientry2++){
366 // brtime->GetEvent(ientry2);
367 // brsector->GetEvent(ientry2);
368 treece->GetEvent(ientry2);
369 if (time>tmin&&time<tmax && TMath::Abs(time-cbin)<kMaxDelta){
370 padTimes[ngood]=time;
372 if (firstS[sector]<0) firstS[sector]= ngood;
373 if (firstS[sector]>=0) lastS[sector] = ngood;
379 restim.EvaluateUni(ngood,padTimes,mean, sigma,int(float(ngood)*fraction));
380 printf("Event\t%d\t%f\t%f\n",count, mean, sigma);
381 for (Int_t isector=0; isector<72; isector++){
382 sectorsID[isector]=sector;
383 if (firstS[isector]>=0 &&lastS[isector]>=0 && lastS[isector]>firstS[isector] ){
384 Int_t ngoodS = lastS[isector]-firstS[isector];
385 restim.EvaluateUni(ngoodS, &padTimes[firstS[isector]],meanS[isector],
386 sigmaS[isector],int(float(ngoodS)*fraction));
389 TGraph graphM(72,sectorsID,meanS);
390 TGraph graphS(72,sectorsID,sigmaS);
399 for (Int_t ientry2=fentry; ientry2<lentry-1; ientry2++){
400 treece->GetEvent(ientry2);
401 Double_t x = param.GetPadRowRadii(sector,row);
402 Int_t maxpad = AliTPCROC::Instance()->GetNPads(sector,row);
403 Double_t y = (pad - 2.5 - 0.5*maxpad)*param.GetPadPitchWidth(sector);
404 Double_t alpha = TMath::DegToRad()*(10.+20.*(sector%18));
405 Double_t gx = x*TMath::Cos(alpha)-y*TMath::Sin(alpha);
406 Double_t gy = y*TMath::Cos(alpha)+x*TMath::Sin(alpha);
408 Int_t npadS = lastS[sector]-firstS[sector];
423 "TimeS0="<<meanS[sector]<<
424 "SigmaS0="<<sigmaS[sector]<<
431 treece->GetEvent(ientry);
434 for (Int_t isector=0;isector<72; isector++){
446 TChain *MakeChainCL(Int_t first, Int_t last){
447 TChain *chaincl = new TChain("TreeR","TreeR");
450 for (Int_t i=first;i<last; i++){
451 if (i>0) sprintf(fname,"TPC.RecPoints%d.root/Event%d/TreeR",i,i);
452 if (i==0) sprintf(fname,"TPC.RecPoints.root/Event%d/TreeR",i);
458 TTree* GetTree(Int_t ievent){
461 if (ievent>0) sprintf(fname,"TPC.RecPoints%d.root",ievent);
462 if (ievent==0) sprintf(fname,"TPC.RecPoints.root");
463 sprintf(tname,"Event%d/TreeR",ievent);
464 TFile * f = new TFile(fname);
465 TTree * tree = (TTree*)f->Get(tname);