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a7a1dd76 1/// \file AnalyzeESDtracks.C
3a4edebe 2///
a7a1dd76 3/// \brief Process ESD tracks - extract TPC tracks - write them to tree
4
eaad8c01 5/*
6 .L AnalyzeESDtracks.C+
7 .L AliGenInfo.C+
a2411279 8 AnalyzeESDtracks(567); // process tracks
eaad8c01 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
a2411279 26//AnalyzeESDtracks(567);
eaad8c01 27
28
29TFile fesd("AliESDs.root");
30TTree * treeE = (TTree*)fesd.Get("esdTree");
31TFile f("TPCtracks.root")
32TTree * tree =(TTree*)f.Get("Tracks");
33AliComparisonDraw comp;
34comp->fTree = tree;
35
36TFile fs("TPCsignal.root");
37TTree *treeB =(TTree*)fs.Get("SignalB");
38TTree *treeN =(TTree*)fs.Get("SignalN");
39TTree *treeS =(TTree*)fs.Get("Signal");
40TTree *treef =(TTree*)fs.Get("Fit");
41
42
43FitSignals(treeB,"Max-Median>100&&RMS06<2.5")
44TFile ffit("FitSignal.root");
45TTree * treeF = (TTree*)ffit->Get("Fit");
46
47
48TChain chaincl("TreeR","TreeR")
49chaincl.Add("TPC.RecPoints.root/Event0/TreeR")
50chaincl.Add("TPC.RecPoints1.root/Event1/TreeR")
51chaincl.Add("TPC.RecPoints2.root/Event2/TreeR")
52chaincl.Add("TPC.RecPoints3.root/Event3/TreeR")
53
54*/
55
56
57
58#include "TObject.h"
59#include "TFile.h"
60#include "TTree.h"
a82f6396 61#include "TChain.h"
eaad8c01 62#include "TBranch.h"
63#include "TTreeStream.h"
64#include "TEventList.h"
65#include "TCut.h"
66#include "TFitter.h"
67#include "TMatrixD.h"
663296cb 68#include "TRobustEstimator.h"
b78c817f 69#include "TTimeStamp.h"
eaad8c01 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"
663296cb 80#include "AliTPCParamSR.h"
81#include "AliTPCROC.h"
82
83
eaad8c01 84#include "TTreeStream.h"
85#include "TF1.h"
86#include "TGraph.h"
87#include "AliSignalProcesor.h"
88#include "TCanvas.h"
89
90
663296cb 91void FitSignals(TTree * treeB, TCut cut="Max-Median>150&&RMS06<2&&abs(Median-Mean09)<0.5", Int_t maxS=100);
ba6ac751 92void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction=0.7);
de31eda2 93
a82f6396 94void AnalyzeESDtracks(Int_t run){
3a4edebe 95 // output redirect
a2411279 96 TTreeSRedirector * pcstream = new TTreeSRedirector("TPCtracks.root");
97 TTreeSRedirector &cstream = *pcstream;
eaad8c01 98 //
eaad8c01 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<<
a82f6396 141 "Ncl="<<ncl<<
eaad8c01 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 }
a2411279 152 delete pcstream;
a82f6396 153 //
154 // Fit signal part
155 //
156 TFile fs("TPCsignal.root");
157 TTree *treeB =(TTree*)fs.Get("SignalB");
663296cb 158 //
159 // Fit central electrode part
160 //
161 TTreeSRedirector * pcestream = new TTreeSRedirector("TimeRoot.root");
162 TTree * treece = (TTree*)fs.Get("Signalce");
163 if (tree) {
b78c817f 164 LaserCalib(*pcestream, treece, 800,1000, 0.7);
663296cb 165 delete pcestream;
166 }
ba6ac751 167 FitSignals(treeB,"Max-Median>150&&RMS06<1.0&&RMS09<1.5&&abs(Median-Mean09)<0.2&&abs(Mean06-Mean09)<0.2",1000);
663296cb 168 //
eaad8c01 169}
170
171
663296cb 172void FitSignals(TTree * treeB, TCut cut, Int_t max){
eaad8c01 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);
663296cb 184 Int_t nFits=0;
eaad8c01 185 for (Int_t ievent=0; ievent<list->GetN(); ievent++){
663296cb 186 if (nFits>max) break;
187 if (nFits%50==0) printf("%d\n",nFits);
eaad8c01 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;
663296cb 291 nFits++;
eaad8c01 292 }
293
294}
a82f6396 295
296
663296cb 297void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction){
3a4edebe 298 ///
299
ba6ac751 300 const Double_t kMaxDelta=10;
663296cb 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");
b78c817f 310 TBranch * brTimeStamp = treece->GetBranch("TimeStamp");
663296cb 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;
b78c817f 319 UInt_t timeStamp=0;
663296cb 320 brsector->SetAddress(&sector);
321 brrow->SetAddress(&row);
322 brpad->SetAddress(&pad);
b78c817f 323 brTimeStamp->SetAddress(&timeStamp);
663296cb 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 };
ba6ac751 350 TH1F hisT("hisT","hisT",100,tmin,tmax);
351 treece->Draw("Time>>hisT","");
352 Float_t cbin = hisT.GetBinCenter(hisT.GetMaximumBin());
663296cb 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;
b78c817f 360 TTimeStamp stamp(timeStamp);
361 stamp.Print();
663296cb 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);
ba6ac751 370 if (time>tmin&&time<tmax && TMath::Abs(time-cbin)<kMaxDelta){
663296cb 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;
ba6ac751 380 restim.EvaluateUni(ngood,padTimes,mean, sigma,int(float(ngood)*fraction));
663296cb 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],
ba6ac751 387 sigmaS[isector],int(float(ngoodS)*fraction));
663296cb 388 }
389 }
390 TGraph graphM(72,sectorsID,meanS);
391 TGraph graphS(72,sectorsID,sigmaS);
392 cstream<<"TimeS"<<
ba6ac751 393 "CBin="<<cbin<<
663296cb 394 "Event="<<count<<
ba6ac751 395 "GM="<<&graphM<<
396 "GS="<<&graphS<<
663296cb 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<<
b78c817f 412 "TimeStamp="<<timeStamp<<
ba6ac751 413 "CBin="<<cbin<<
663296cb 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
a82f6396 447
448TChain *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
460TTree* 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}