Update master to aliroot
[u/mrichter/AliRoot.git] / TPC / AnalyzeESDtracks.C
1 /// \file AnalyzeESDtracks.C
2 ///
3 /// \brief Process ESD tracks - extract TPC tracks - write them to tree
4
5 /*
6   .L AnalyzeESDtracks.C+
7   .L AliGenInfo.C+
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;
16   comp->fTree = tree;
17
18 */
19
20 // 
21
22 /*
23 .L AnalyzeESDtracks.C+
24 .L AliGenInfo.C+
25
26 //AnalyzeESDtracks(567);
27
28
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;
34 comp->fTree = tree;
35
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");
41
42
43 FitSignals(treeB,"Max-Median>100&&RMS06<2.5")
44 TFile ffit("FitSignal.root");
45 TTree * treeF = (TTree*)ffit->Get("Fit");
46
47
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")
53
54 */
55
56
57
58 #include "TObject.h"
59 #include "TFile.h"
60 #include "TTree.h"
61 #include "TChain.h"
62 #include "TBranch.h"
63 #include "TTreeStream.h"
64 #include "TEventList.h"
65 #include "TCut.h"
66 #include "TFitter.h"
67 #include  "TMatrixD.h"
68 #include  "TRobustEstimator.h"
69 #include  "TTimeStamp.h"
70
71 #include  "AliLog.h"
72 #include  "AliMagF.h"
73
74 #include  "AliESD.h"
75 #include  "AliESDfriend.h"
76 #include  "AliESDtrack.h"
77 #include  "AliTracker.h"
78 #include  "AliTPCseed.h"
79 #include  "AliTPCclusterMI.h"
80 #include  "AliTPCParamSR.h"
81 #include  "AliTPCROC.h"
82
83
84 #include  "TTreeStream.h"
85 #include  "TF1.h"
86 #include  "TGraph.h"
87 #include  "AliSignalProcesor.h"
88 #include  "TCanvas.h"
89
90
91 void FitSignals(TTree * treeB, TCut cut="Max-Median>150&&RMS06<2&&abs(Median-Mean09)<0.5", Int_t maxS=100);
92 void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction=0.7);
93
94 void AnalyzeESDtracks(Int_t run){
95   // output redirect
96   TTreeSRedirector *  pcstream = new TTreeSRedirector("TPCtracks.root");
97   TTreeSRedirector &cstream = *pcstream;
98   //
99   TFile f("AliESDs.root");
100   TTree * tree =(TTree*)f.Get("esdTree"); 
101   AliESD * esd =0;
102   tree->SetBranchAddress("ESD",&esd);
103   AliESDfriend *evf=0;
104   tree->AddFriend("esdFriendTree","AliESDfriends.root");
105   tree->SetBranchAddress("ESDfriend",&evf);
106
107   Int_t nevents = tree->GetEntries();
108   TClonesArray *clusters = new TClonesArray("AliTPCclusterMI",160);
109   for (Int_t irow=0; irow<160; irow++){
110     new ((*clusters)[irow])  AliTPCclusterMI;   // iitial dummy clusters
111   }
112   
113   for (Int_t ievent=0; ievent<nevents; ievent++){
114     tree->GetEntry(ievent);
115     if (!esd) continue;
116     if (!evf) continue;
117     esd->SetESDfriend(evf); //Attach the friend to the ESD      
118     for (Int_t itrack =0; itrack<esd->GetNumberOfTracks(); itrack++){
119       // Int_t itrack = 0;      
120       if (esd->GetTrack(itrack)->GetFriendTrack()==0) continue;
121       AliESDtrack * etrack = esd->GetTrack(itrack);
122       AliESDfriendTrack * ftrack = (AliESDfriendTrack *)esd->GetTrack(itrack)->GetFriendTrack();
123       AliTPCseed * seed =  (AliTPCseed*)(ftrack->GetCalibObject(0));
124       if (!seed) continue;  
125       for (Int_t irow=0; irow<160; irow++){
126         if (seed->GetClusterFast(irow)){
127           AliTPCclusterMI * cl = new ((*clusters)[irow])  AliTPCclusterMI(*(seed->GetClusterFast(irow)));
128           cl->SetLabel(itrack,0);
129         }
130         else{
131           AliTPCclusterMI * cl = (AliTPCclusterMI*)clusters->At(irow);
132           cl->SetX(0); cl->SetY(0); cl->SetZ(0); cl->SetQ(0); cl->SetLabel(-1,0);
133         }
134       }
135       Float_t dEdx = seed->GetdEdx();
136       Float_t dEdxI = seed->CookdEdx(0.05,0.6,0,77);
137       Float_t dEdxO = seed->CookdEdx(0.05,0.6,78,155);
138       Int_t ncl = seed->GetNumberOfClusters();
139       cstream<<"Tracks"<<
140         "Run="<<run<<
141         "Ncl="<<ncl<<
142         "Event="<<ievent<<
143         "dEdx="<<dEdx<<
144         "dEdxI="<<dEdxI<<
145         "dEdxO="<<dEdxO<<
146         "Track.="<<seed<<
147         "Etrack.="<<etrack<<
148         "Cl.="<<clusters<<
149         "\n";
150     }  
151   }
152   delete pcstream;
153   //
154   // Fit signal part
155   //
156   TFile fs("TPCsignal.root");
157   TTree *treeB =(TTree*)fs.Get("SignalB");
158   //
159   // Fit central electrode part
160   //
161   TTreeSRedirector * pcestream = new  TTreeSRedirector("TimeRoot.root");
162   TTree * treece = (TTree*)fs.Get("Signalce");
163   if (tree) {
164     LaserCalib(*pcestream, treece, 800,1000, 0.7);
165     delete pcestream;
166   }
167   FitSignals(treeB,"Max-Median>150&&RMS06<1.0&&RMS09<1.5&&abs(Median-Mean09)<0.2&&abs(Mean06-Mean09)<0.2",1000);
168   //
169 }
170
171
172 void FitSignals(TTree * treeB, TCut cut, Int_t max){
173   AliSignalProcesor proc;
174   TF1 * f1 = proc.GetAsymGauss();
175   TTreeSRedirector cstream("FitSignal.root");
176   TFile *f = cstream.GetFile();
177
178   char lname[100];
179   sprintf(lname,"Fit%s", cut.GetTitle());
180   TEventList *list = new TEventList(lname,lname);
181   sprintf(lname,">>Fit%s", cut.GetTitle());
182   treeB->Draw(lname,cut);
183   treeB->SetEventList(list);
184   Int_t nFits=0;
185   for (Int_t ievent=0; ievent<list->GetN(); ievent++){
186     if (nFits>max) break;
187     if (nFits%50==0) printf("%d\n",nFits);
188     char ename[100];
189     sprintf(ename,"Fit%d", ievent);
190     Double_t nsample = treeB->Draw("Graph.fY-Mean09:Graph.fX","","",1,ievent);
191     Double_t * signal  = treeB->GetV1();
192     Double_t * time  = treeB->GetV2();
193     Double_t maxpos =0;
194     Double_t max = 0;
195     for (Int_t ipos = 0; ipos<nsample; ipos++){
196       if (signal[ipos]>max){
197         max    = signal[ipos];
198         maxpos = ipos;
199       }
200     }
201
202     Int_t first = TMath::Max(maxpos-10,0.);
203     Int_t last  = TMath::Min(maxpos+60, nsample);
204     //
205     f->cd();
206     TH1F his(ename,ename,last-first,first,last);
207     for (Int_t ipos=0; ipos<last-first; ipos++){
208       his.SetBinContent(ipos+1,signal[ipos+first]);
209     }
210     treeB->Draw("Sector:Row:Pad","","",1,ievent);
211     Double_t sector = treeB->GetV1()[0];
212     Double_t row    = treeB->GetV2()[0];
213     Double_t pad    = treeB->GetV3()[0];
214     //    TGraph  graph(last-first,&time[first],&signal[first]);
215     f1->SetParameters(0.75*max,maxpos,1.1,0.8,0.25,0.2);
216     //    TH1F * his = (TH1F*)graph.GetHistogram();
217     his.Fit(f1,"q");
218     his.Write(ename);
219     gPad->Clear();
220     his.Draw();
221     gPad->Update();
222     Double_t params[6];
223     for (Int_t ipar=0; ipar<6; ipar++) params[ipar] = f1->GetParameters()[ipar];
224     Double_t chi2 = TFitter::GetFitter()->Chisquare(6,params);
225     TMatrixD cov(6,6);
226     cov.SetMatrixArray(TFitter::GetFitter()->GetCovarianceMatrix());
227     //
228     // tail cancellation
229     //
230     Double_t x0[1000];
231     Double_t x1[1000];
232     Double_t x2[1000];
233     for (Int_t ipos=0; ipos<last-first; ipos++){
234       x0[ipos] = signal[ipos+first];
235     }
236     proc.TailCancelationALTRO1(x0,x1,0.85*0.339,0.09,last-first);
237     proc.TailCancelationALTRO1(x1,x2,0.85,0.789,last-first);
238     //
239     sprintf(ename,"Cancel1_%d", ievent);
240     TH1F his1(ename,ename,last-first,first,last);
241     for (Int_t ipos=0; ipos<last-first; ipos++){
242       his1.SetBinContent(ipos+1,x1[ipos]);
243     }
244     his1.Write(ename);
245     sprintf(ename,"Cancel2_%d", ievent);
246     TH1F his2(ename,ename,last-first,first,last);
247     for (Int_t ipos=0; ipos<last-first; ipos++){
248       his2.SetBinContent(ipos+1,x1[ipos]);
249     }
250     f1->SetParameters(0.75*max,maxpos,1.1,0.8,0.25,0.2);
251     his2.Fit(f1,"q");
252     his2.Write(ename);
253     Double_t params2[6];
254     for (Int_t ipar=0; ipar<6; ipar++) params2[ipar] = f1->GetParameters()[ipar];
255     Double_t chi22 = TFitter::GetFitter()->Chisquare(6,params2);    
256     TMatrixD cov2(6,6);
257     cov2.SetMatrixArray(TFitter::GetFitter()->GetCovarianceMatrix());
258
259     TGraph gr0(last-first, &time[first],x0);
260     TGraph gr1(last-first, &time[first],x1);
261     TGraph gr2(last-first, &time[first],x2);
262     //
263     cstream<<"Fit"<<
264       "Sector="<<sector<<
265       "Row="<<row<<
266       "Pad="<<pad<<
267       "First="<<first<<
268       "Max="<<max<<
269       "MaxPos="<<maxpos<<
270       "chi2="<<chi2<<
271       "chi22="<<chi22<<
272       "Cov="<<&cov<<
273       "Cov2="<<&cov2<<
274       "gr0.="<<&gr0<<
275       "gr1.="<<&gr1<<
276       "gr2.="<<&gr2<<
277       "p0="<<params[0]<<
278       "p1="<<params[1]<<
279       "p2="<<params[2]<<
280       "p3="<<params[3]<<
281       "p4="<<params[4]<<
282       "p5="<<params[5]<<
283       "p02="<<params2[0]<<
284       "p12="<<params2[1]<<
285       "p22="<<params2[2]<<
286       "p32="<<params2[3]<<
287       "p42="<<params2[4]<<
288       "p52="<<params2[5]<<
289       "\n";
290     //    delete his;
291     nFits++;
292   }
293
294 }
295
296
297 void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction){
298   ///
299
300   const Double_t kMaxDelta=10;
301   AliTPCParamSR param;
302   param.Update();
303   TFile fce("TPCsignal.root");
304   TTree   * treece =(TTree*)fce.Get("Signalce");
305   if (chain) treece=chain;
306   //
307   TBranch * brsector  = treece->GetBranch("Sector");
308   TBranch * brpad     = treece->GetBranch("Pad");
309   TBranch * brrow     = treece->GetBranch("Row");
310   TBranch * brTimeStamp = treece->GetBranch("TimeStamp");
311   //
312   TBranch * brtime    = treece->GetBranch("Time");
313   TBranch * brrms     = treece->GetBranch("RMS06");
314   TBranch * brmax     = treece->GetBranch("Max");
315   TBranch * brsum     = treece->GetBranch("Qsum");
316
317   Int_t sector, pad, row=0;
318   Double_t time=0, rms=0, qMax=0, qSum=0;
319   UInt_t  timeStamp=0;
320   brsector->SetAddress(&sector);
321   brrow->SetAddress(&row);
322   brpad->SetAddress(&pad);
323   brTimeStamp->SetAddress(&timeStamp);
324   
325   brtime->SetAddress(&time);
326   brrms->SetAddress(&rms);
327   brmax->SetAddress(&qMax);
328   brsum->SetAddress(&qSum);
329
330
331   brsector->GetEntry(0);
332   //
333   Int_t firstSector  = sector;
334   Int_t lastSector   = sector;
335   Int_t fentry = 0;
336   Int_t lentry = 0;
337   //
338   // find time offset for differnt events
339   //
340   Int_t count = 0;
341   Double_t padTimes[500000];
342   TRobustEstimator restim;
343   Double_t meanS[72], sigmaS[72];
344   Int_t   firstS[72], lastS[72];
345   Double_t   sectorsID[72];
346   for (Int_t isector=0;isector<72; isector++){
347     firstS[isector]=-1; 
348     lastS[isector] =-1;
349   };
350   TH1F  hisT("hisT","hisT",100,tmin,tmax);
351   treece->Draw("Time>>hisT","");
352   Float_t cbin = hisT.GetBinCenter(hisT.GetMaximumBin());
353
354   for (Int_t ientry=0; ientry<treece->GetEntriesFast(); ientry++){
355     treece->GetEvent(ientry);
356     //
357     if (sector!=lastSector && sector==firstSector){
358       //if (sector!=lastSector){
359       lentry = ientry;
360       TTimeStamp stamp(timeStamp);
361       stamp.Print();
362       printf("\nEvent\t%d\tFirst\t%d\tLast\t%d\t%d\n",count, fentry, lentry, lentry-fentry);
363       //
364       //
365       Int_t ngood=0;      
366       for (Int_t ientry2=fentry; ientry2<lentry; ientry2++){
367         //      brtime->GetEvent(ientry2);
368         //  brsector->GetEvent(ientry2);
369         treece->GetEvent(ientry2);
370         if (time>tmin&&time<tmax && TMath::Abs(time-cbin)<kMaxDelta){
371           padTimes[ngood]=time;
372           ngood++;      
373           if (firstS[sector]<0)  firstS[sector]= ngood;
374           if (firstS[sector]>=0) lastS[sector] = ngood;
375         }       
376       }
377       //
378       //
379       Double_t mean,sigma;
380       restim.EvaluateUni(ngood,padTimes,mean, sigma,int(float(ngood)*fraction));
381       printf("Event\t%d\t%f\t%f\n",count, mean, sigma);
382       for (Int_t isector=0; isector<72; isector++){
383         sectorsID[isector]=sector;
384         if (firstS[isector]>=0 &&lastS[isector]>=0 && lastS[isector]>firstS[isector] ){
385           Int_t ngoodS = lastS[isector]-firstS[isector];
386           restim.EvaluateUni(ngoodS, &padTimes[firstS[isector]],meanS[isector], 
387                              sigmaS[isector],int(float(ngoodS)*fraction));
388         }
389       }
390       TGraph  graphM(72,sectorsID,meanS);
391       TGraph  graphS(72,sectorsID,sigmaS);
392       cstream<<"TimeS"<<
393         "CBin="<<cbin<<
394         "Event="<<count<<
395         "GM="<<&graphM<<
396         "GS="<<&graphS<<
397         "\n";
398       
399
400       for (Int_t ientry2=fentry; ientry2<lentry-1; ientry2++){
401         treece->GetEvent(ientry2);
402         Double_t x      = param.GetPadRowRadii(sector,row);
403         Int_t    maxpad = AliTPCROC::Instance()->GetNPads(sector,row);
404         Double_t y = (pad - 2.5 - 0.5*maxpad)*param.GetPadPitchWidth(sector);
405         Double_t alpha = TMath::DegToRad()*(10.+20.*(sector%18));       
406         Double_t gx = x*TMath::Cos(alpha)-y*TMath::Sin(alpha);
407         Double_t gy = y*TMath::Cos(alpha)+x*TMath::Sin(alpha);
408         
409         Int_t npadS = lastS[sector]-firstS[sector];
410         cstream<<"Time"<<
411           "Event="<<count<<
412           "TimeStamp="<<timeStamp<<
413           "CBin="<<cbin<<
414           "x="<<x<<
415           "y="<<y<<
416           "gx="<<gx<<
417           "gy="<<gy<<
418           "Sector="<<sector<<
419           "Row="<<row<<
420           "Pad="<<pad<<
421           "Time="<<time<<
422           "RMS="<<rms<<
423           "Time0="<<mean<<
424           "Sigma0="<<sigma<< 
425           "TimeS0="<<meanS[sector]<<
426           "SigmaS0="<<sigmaS[sector]<<
427           "npad0="<<ngood<<
428           "npadS="<<npadS<<
429           "Max="<<qMax<<
430           "Sum="<<qSum<<
431           "\n";
432       }
433       treece->GetEvent(ientry);
434       fentry = ientry;
435       count++;      
436       for (Int_t isector=0;isector<72; isector++){
437         firstS[isector]=-1; 
438         lastS[isector] =-1;
439       }
440     }
441     lastSector=sector;
442   }
443 }
444
445
446
447
448 TChain *MakeChainCL(Int_t first, Int_t last){
449   TChain *chaincl = new TChain("TreeR","TreeR");
450   //
451   char fname[100];
452   for (Int_t i=first;i<last; i++){
453     if (i>0) sprintf(fname,"TPC.RecPoints%d.root/Event%d/TreeR",i,i);
454     if (i==0) sprintf(fname,"TPC.RecPoints.root/Event%d/TreeR",i);
455     chaincl->Add(fname);
456   }
457   return chaincl;
458 }
459
460 TTree* GetTree(Int_t ievent){
461   char fname[100];
462   char tname[100];
463   if (ievent>0) sprintf(fname,"TPC.RecPoints%d.root",ievent);
464   if (ievent==0) sprintf(fname,"TPC.RecPoints.root");
465   sprintf(tname,"Event%d/TreeR",ievent);
466   TFile * f  = new TFile(fname);
467   TTree * tree = (TTree*)f->Get(tname);
468   return tree;
469
470 }