1 /**************************************************************************
2 * Copyright(c) 1998-1999, 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 **************************************************************************/
17 ///////////////////////////////////////////////////////////////////////////////
19 // Time Projection Chamber //
20 // Comparison macro for ESD //
22 // marian.ivanov@cern.ch //
31 .L $ALICE_ROOT/STEER/AliGenInfo.C+
32 //be sure you created genTracks file before
33 .L $ALICE_ROOT/STEER/AliESDComparisonMI.C+
36 ESDCmpTr *t2 = new ESDCmpTr("genTracks.root","cmpESDTracks.root","galice.root",-1,1,0);
40 //some cuts definition
41 TCut cprim("cprim","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<0.01&&abs(MC.fVDist[2])<0.01")
42 //TCut cprim("cprim","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<0.5&&abs(MC.fVDist[2])<0.5")
43 //TCut citsin("citsin","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<3.9");
44 TCut citsin("citsin","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<15");
46 TCut csec("csec","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)>0.5");
49 TCut crec("crec","fReconstructed==1");
50 TCut cteta1("cteta1","abs(MC.fParticle.Theta()/3.1415-0.5)<0.25");
51 TCut cpos1("cpos1","abs(MC.fParticle.fVz/sqrt(MC.fParticle.fVx*MC.fParticle.fVx+MC.fParticle.fVy*MC.fParticle.fVy))<1");
52 TCut csens("csens","abs(sqrt(fVDist[0]**2+fVDist[1]**2)-170)<50");
53 TCut cmuon("cmuon","abs(MC.fParticle.fPdgCode==-13)");
54 TCut cchi2("cchi2","fESDTrack.fITSchi2MIP[0]<7.&&fESDTrack.fITSchi2MIP[1]<5.&&fESDTrack.fITSchi2MIP[2]<7.&&fESDTrack.fITSchi2MIP[3]<7.5&&fESDTrack.fITSchi2MIP[4]<6.")
56 AliESDComparisonDraw comp;
58 TFile f("genHits.root");
59 TTree * treel = (TTree*)f.Get("HitLines");
60 if (treel) comp->fTree->AddFriend(treel,"L");
64 comp.fTree->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
65 comp.fTree->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
66 comp.fTree->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
67 comp.fTree->SetAlias("theta","MC.fTrackRef.Theta()");
68 comp.fTree->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
70 comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
72 TH1F his("his","his",100,0,20);
73 TH1F hpools("hpools","hpools",100,-7,7);
74 TH1F hfake("hfake","hfake",1000,0,150);
75 TProfile profp0("profp0","profp0",20,-0.4,0.9)
77 comp.DrawLogXY("fTPCinP0[3]","fTPCDelta[4]/fTPCinP1[3]","fReconstructed==1"+cprim,"1",4,0.2,1.5,-0.06,0.06)
81 comp.DrawLogXY("fITSinP0[3]","fITSDelta[4]/fITSinP1[3]","fReconstructed==1&&fITSOn"+cprim,"1",4,0.2,1.5,-0.06,0.06)
84 comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn",20,0.2,1.5)
87 comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn&&fITSOn&&fESDTrack.fITSFakeRatio<0.1",10,0.2,1.5)
89 comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn&&fITSOn&&fESDTrack.fITSFakeRatio>0.1",10,0.2,1.5)
92 comp.fTree->Draw("fESDTrack.fITSsignal/fESDTrack.fTPCsignal","fITSOn&&fTPCOn&&fESDTrack.fITSFakeRatio==0")
94 TH1F his("his","his",100,0,20);
95 TH1F hpools("hpools","hpools",100,-7,7);
97 TH2F * hdedx0 = new TH2F("dEdx0","dEdx0",100, 0,2,200,0,550); hdedx0->SetMarkerColor(2);
98 TH2F * hdedx1 = new TH2F("dEdx1","dEdx1",100, 0,2,200,0,550); hdedx1->SetMarkerColor(3);
99 TH2F * hdedx2 = new TH2F("dEdx2","dEdx2",100, 0,2,200,0,550); hdedx2->SetMarkerColor(4);
100 TH2F * hdedx3 = new TH2F("dEdx3","dEdx3",100, 0,2,200,0,550); hdedx3->SetMarkerColor(6);
102 comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx0","fITSOn&&MC.fParticle.P()<2&&abs(fPdg)==211&&fITStrack.fN==6"+cprim)
103 comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx1","fITSOn&&MC.fParticle.P()<2&&abs(fPdg)==2212&&fITStrack.fN==6"+cprim)
104 comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx2","fITSOn&&MC.fParticle.P()<2&&abs(fPdg)==321&&fITStrack.fN==6"+cprim)
105 comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx3","fITSOn&&MC.fParticle.P()<2&&abs(fPdg)==11&&fITStrack.fN==6"+cprim)
108 comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx0","fTRDOn&&MC.fParticle.P()<2&&abs(fPdg)==211&&fTRDtrack.fN>40&&abs(fESDTrack.fTRDLabel)==abs(fESDTrack.fTPCLabel)")
109 comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx1","fTRDOn&&MC.fParticle.P()<2&&abs(fPdg)==2212&&fTRDtrack.fN>40&&abs(fESDTrack.fTRDLabel)==abs(fESDTrack.fTPCLabel)")
110 comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx2","fTRDOn&&MC.fParticle.P()<2&&abs(fPdg)==321&&fTRDtrack.fN>40&&abs(fESDTrack.fTRDLabel)==abs(fESDTrack.fTPCLabel)")
111 comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx3","fTRDOn&&MC.fParticle.P()<2&&abs(fPdg)==11&&fTRDtrack.fN>40&&abs(fESDTrack.fTRDLabel)==abs(fESDTrack.fTPCLabel)")
114 hdedx1->Draw(); hdedx0->Draw("same"); hdedx2->Draw("same"); hdedx3->Draw("same");
116 comp.DrawXY("fITSinP0[3]","fITSPools[4]","fReconstructed==1&&fPdg==-211&&fITSOn"+cprim,"1",4,0.2,1.0,-8,8)
121 #if !defined(__CINT__) || defined(__MAKECINT__)
131 #include "TBenchmark.h"
132 #include "TStopwatch.h"
133 #include "TParticle.h"
136 #include "TVector3.h"
148 #include "AliStack.h"
149 #include "AliESDtrack.h"
150 #include "AliSimDigits.h"
151 #include "AliTPCParam.h"
153 #include "AliTPCLoader.h"
154 #include "AliDetector.h"
155 #include "AliTrackReference.h"
157 #include "AliTPCParamSR.h"
158 #include "AliTracker.h"
159 #include "AliComplexCluster.h"
162 #include "AliESDtrack.h"
163 #include "AliITStrackMI.h"
164 #include "AliTRDtrack.h"
165 #include "AliHelix.h"
166 #include "AliESDVertex.h"
167 #include "AliExternalTrackParam.h"
168 #include "AliESDkink.h"
169 #include "AliESDV0MI.h"
172 #include "AliGenInfo.h"
173 #include "AliESDComparisonMI.h"
178 void AliESDRecInfo::UpdatePoints(AliESDtrack*track)
182 Int_t iclusters[200];
183 Float_t density[160];
184 for (Int_t i=0;i<160;i++) density[i]=-1.;
188 if (fTPCPoints[0]<fTPCPoints[1]) return;
189 // Int_t nclusters=track->GetTPCclusters(iclusters);
195 for (Int_t i=0;i<160;i++){
196 Int_t last = i-range;
197 if (nall<range) nall++;
199 if (iclusters[last]>0&& (iclusters[last]&0x8000)==0) ngood--;
200 if (iclusters[last]==-1) undeff--;
202 if (iclusters[i]>0&& (iclusters[i]&0x8000)==0) ngood++;
203 if (iclusters[i]==-1) undeff++;
204 if (nall==range &&undeff<range/2) density[i-range/2] = Float_t(ngood)/Float_t(nall-undeff);
208 for (Int_t i=0;i<160;i++){
209 if (density[i]<0) continue;
210 if (density[i]>maxdens){
217 fTPCPoints[3] = maxdens;
218 fTPCPoints[1] = indexmax;
221 for (Int_t i=indexmax;i<160;i++){
222 if (density[i]<0) continue;
223 if (density[i]<maxdens/2.) {
230 for (Int_t i=indexmax;i>0;i--){
231 if (density[i]<0) continue;
232 if (density[i]<maxdens/2.) {
238 if ((track->GetStatus()&AliESDtrack::kITSrefit)>0) fTPCPoints[0]=-1;
243 void AliESDRecInfo::Update(AliMCInfo* info,AliTPCParam * par, Bool_t reconstructed)
247 //calculates derived variables
250 UpdatePoints(&fESDTrack);
252 AliTrackReference * ref = &(info->fTrackRef);
253 fTPCinR0[0] = info->fTrackRef.X();
254 fTPCinR0[1] = info->fTrackRef.Y();
255 fTPCinR0[2] = info->fTrackRef.Z();
256 fTPCinR0[3] = TMath::Sqrt(fTPCinR0[0]*fTPCinR0[0]+fTPCinR0[1]*fTPCinR0[1]);
257 fTPCinR0[4] = TMath::ATan2(fTPCinR0[1],fTPCinR0[0]);
259 fTPCinP0[0] = ref->Px();
260 fTPCinP0[1] = ref->Py();
261 fTPCinP0[2] = ref->Pz();
262 fTPCinP0[3] = ref->Pt();
263 fTPCinP0[4] = ref->P();
264 fDeltaP = (ref->P()-info->fParticle.P())/info->fParticle.P();
267 if (fTPCinP0[3]>0.0000001){
269 fTPCAngle0[0] = TMath::ATan2(fTPCinP0[1],fTPCinP0[0]);
270 fTPCAngle0[1] = TMath::ATan(fTPCinP0[2]/fTPCinP0[3]);
274 fITSinP0[0]=info->fParticle.Px();
275 fITSinP0[1]=info->fParticle.Py();
276 fITSinP0[2]=info->fParticle.Pz();
277 fITSinP0[3]=info->fParticle.Pt();
279 fITSinR0[0]=info->fParticle.Vx();
280 fITSinR0[1]=info->fParticle.Vy();
281 fITSinR0[2]=info->fParticle.Vz();
282 fITSinR0[3] = TMath::Sqrt(fITSinR0[0]*fITSinR0[0]+fITSinR0[1]*fITSinR0[1]);
283 fITSinR0[4] = TMath::ATan2(fITSinR0[1],fITSinR0[0]);
286 if (fITSinP0[3]>0.0000001){
287 fITSAngle0[0] = TMath::ATan2(fITSinP0[1],fITSinP0[0]);
288 fITSAngle0[1] = TMath::ATan(fITSinP0[2]/fITSinP0[3]);
291 for (Int_t i=0;i<4;i++) fStatus[i] =0;
292 fReconstructed = kFALSE;
296 if (reconstructed==kFALSE) return;
298 fLabels[0] = info->fLabel;
299 fLabels[1] = info->fPrimPart;
300 fReconstructed = kTRUE;
301 fTPCOn = ((fESDTrack.GetStatus()&AliESDtrack::kTPCrefit)>0) ? kTRUE : kFALSE;
302 fITSOn = ((fESDTrack.GetStatus()&AliESDtrack::kITSrefit)>0) ? kTRUE : kFALSE;
303 fTRDOn = ((fESDTrack.GetStatus()&AliESDtrack::kTRDrefit)>0) ? kTRUE : kFALSE;
306 if ((fESDTrack.GetStatus()&AliESDtrack::kTPCrefit)>0){
310 if ((fESDTrack.GetStatus()&AliESDtrack::kTPCout)>0){
319 if ((fESDTrack.GetStatus()&AliESDtrack::kTRDrefit)>0){
323 if ((fESDTrack.GetStatus()&AliESDtrack::kTRDout)>0){
327 if ((fESDTrack.GetStatus()&AliESDtrack::kTRDStop)>0){
334 if (((fESDTrack.GetStatus()&AliESDtrack::kTOFout)>0)){
338 fESDTrack.GetIntegratedTimes(times);
339 for (Int_t i=0;i<5;i++){
340 if ( TMath::Abs(fESDTrack.GetTOFsignal()-times[i]) <TMath::Abs(fBestTOFmatch) ){
341 fBestTOFmatch = fESDTrack.GetTOFsignal()-times[i];
345 fESDTrack.GetTOFLabel(toflabel);
346 Bool_t toffake=kTRUE;
347 for (Int_t i=0;i<3;i++){
348 if (toflabel[i]<0) continue;
349 if (toflabel[i]== TMath::Abs(fESDTrack.GetLabel())) toffake=kFALSE;
352 if (toffake) fStatus[3] =2;
358 if (fStatus[1]>0 &&info->fNTPCRef>0){
360 fESDTrack.GetInnerXYZ(fTPCinR1);
361 fTPCinR1[3] = TMath::Sqrt(fTPCinR1[0]*fTPCinR1[0]+fTPCinR1[1]*fTPCinR1[1]);
362 fTPCinR1[4] = TMath::ATan2(fTPCinR1[1],fTPCinR1[0]);
363 fESDTrack.GetInnerPxPyPz(fTPCinP1);
364 fTPCinP1[3] = TMath::Sqrt(fTPCinP1[0]*fTPCinP1[0]+fTPCinP1[1]*fTPCinP1[1]);
365 fTPCinP1[4] = TMath::Sqrt(fTPCinP1[3]*fTPCinP1[3]+fTPCinP1[2]*fTPCinP1[2]);
368 if (fTPCinP1[3]>0.0000001){
369 fTPCAngle1[0] = TMath::ATan2(fTPCinP1[1],fTPCinP1[0]);
370 fTPCAngle1[1] = TMath::ATan(fTPCinP1[2]/fTPCinP1[3]);
372 Double_t cov[15], param[5],x;
373 fESDTrack.GetInnerExternalCovariance(cov);
374 fESDTrack.GetInnerExternalParameters(x,param);
377 fTPCDelta[0] = (fTPCinR0[4]-fTPCinR1[4])*fTPCinR1[3]; //delta rfi
378 fTPCPools[0] = fTPCDelta[0]/TMath::Sqrt(cov[0]);
379 fTPCDelta[1] = (fTPCinR0[2]-fTPCinR1[2]); //delta z
380 fTPCPools[1] = fTPCDelta[1]/TMath::Sqrt(cov[2]);
381 fTPCDelta[2] = (fTPCAngle0[0]-fTPCAngle1[0]);
382 fTPCPools[2] = fTPCDelta[2]/TMath::Sqrt(cov[5]);
383 fTPCDelta[3] = (TMath::Tan(fTPCAngle0[1])-TMath::Tan(fTPCAngle1[1]));
384 fTPCPools[3] = fTPCDelta[3]/TMath::Sqrt(cov[9]);
385 fTPCDelta[4] = (fTPCinP0[3]-fTPCinP1[3]);
386 Double_t sign = (param[4]>0)? 1.:-1;
388 fTPCPools[4] = sign*(1./fTPCinP0[3]-1./fTPCinP1[3])/TMath::Sqrt(cov[14]);
393 //fESDTrack.GetExternalParameters(x,param);
394 fESDTrack.GetConstrainedExternalParameters(x,param);
396 fESDTrack.GetExternalCovariance(cov);
397 fESDTrack.GetConstrainedExternalCovariance(cov);
398 if (TMath::Abs(param[4])<0.0000000001) return;
400 fESDTrack.GetXYZ(fITSinR1);
401 fESDTrack.GetPxPyPz(fITSinP1);
402 fITSinP1[3] = TMath::Sqrt(fITSinP1[0]*fITSinP1[0]+fITSinP1[1]*fITSinP1[1]);
404 fITSinR1[3] = TMath::Sqrt(fITSinR1[0]*fITSinR1[0]+fITSinR1[1]*fITSinR1[1]);
405 fITSinR1[4] = TMath::ATan2(fITSinR1[1],fITSinR1[0]);
408 if (fITSinP1[3]>0.0000001){
409 fITSAngle1[0] = TMath::ATan2(fITSinP1[1],fITSinP1[0]);
410 fITSAngle1[1] = TMath::ATan(fITSinP1[2]/fITSinP1[3]);
414 fITSDelta[0] = (fITSinR0[4]-fITSinR1[4])*fITSinR1[3]; //delta rfi
415 fITSPools[0] = fITSDelta[0]/TMath::Sqrt(cov[0]);
416 fITSDelta[1] = (fITSinR0[2]-fITSinR1[2]); //delta z
417 fITSPools[1] = fITSDelta[1]/TMath::Sqrt(cov[2]);
418 fITSDelta[2] = (fITSAngle0[0]-fITSAngle1[0]);
419 fITSPools[2] = fITSDelta[2]/TMath::Sqrt(cov[5]);
420 fITSDelta[3] = (TMath::Tan(fITSAngle0[1])-TMath::Tan(fITSAngle1[1]));
421 fITSPools[3] = fITSDelta[3]/TMath::Sqrt(cov[9]);
422 fITSDelta[4] = (fITSinP0[3]-fITSinP1[3]);
423 Double_t sign = (param[4]>0) ? 1:-1;
425 fITSPools[4] = sign*(1./fITSinP0[3]-1./fITSinP1[3])/TMath::Sqrt(cov[14]);
431 void AliESDRecV0Info::Update(Float_t vertex[3])
434 if ( (fT1.fStatus[1]>0)&& (fT2.fStatus[1]>0)){
435 Float_t distance1,distance2;
436 Double_t xx[3],pp[3];
438 Double_t xd[3],pd[3],signd;
439 Double_t xm[3],pm[3],signm;
440 for (Int_t i=0;i<3;i++){
441 xd[i] = fT2.fTPCinR1[i];
442 pd[i] = fT2.fTPCinP1[i];
443 xm[i] = fT1.fTPCinR1[i];
444 pm[i] = fT1.fTPCinP1[i];
446 signd = fT2.fSign<0 ? -1:1;
447 signm = fT1.fSign<0 ? -1:1;
449 AliHelix dhelix1(xd,pd,signd);
450 dhelix1.GetMomentum(0,pp,0);
451 dhelix1.Evaluate(0,xx);
453 // Double_t x2[3],p2[3];
455 AliHelix mhelix(xm,pm,signm);
457 //find intersection linear
459 Double_t phase[2][2],radius[2];
460 Int_t points = dhelix1.GetRPHIintersections(mhelix, phase, radius,200);
461 Double_t delta1=10000,delta2=10000;
464 fMinR = TMath::Sqrt(radius[0]);
467 fMinR =TMath::Min(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
471 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
472 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
473 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
476 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
477 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
478 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
481 fMinR = TMath::Sqrt(radius[0]);
485 if (radius[0]<radius[1]){
486 fMinR = TMath::Sqrt(radius[0]);
490 fMinR = TMath::Sqrt(radius[1]);
496 distance1 = TMath::Min(delta1,delta2);
498 //find intersection parabolic
500 points = dhelix1.GetRPHIintersections(mhelix, phase, radius);
501 delta1=10000,delta2=10000;
504 dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
507 dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
510 distance2 = TMath::Min(delta1,delta2);
513 dhelix1.Evaluate(phase[0][0],fXr);
514 dhelix1.GetMomentum(phase[0][0],fPdr);
515 mhelix.GetMomentum(phase[0][1],fPm);
516 dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],fAngle);
517 fRr = TMath::Sqrt(radius[0]);
520 dhelix1.Evaluate(phase[1][0],fXr);
521 dhelix1.GetMomentum(phase[1][0], fPdr);
522 mhelix.GetMomentum(phase[1][1], fPm);
523 dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],fAngle);
524 fRr = TMath::Sqrt(radius[1]);
526 fDist1 = TMath::Sqrt(distance1);
527 fDist2 = TMath::Sqrt(distance2);
530 Double_t x,alpha,param[5],cov[15];
532 fT1.fESDTrack.GetInnerExternalParameters(x,param);
533 fT1.fESDTrack.GetInnerExternalCovariance(cov);
534 alpha = fT1.fESDTrack.GetInnerAlpha();
535 AliExternalTrackParam paramm(x,alpha,param,cov);
537 fT2.fESDTrack.GetInnerExternalParameters(x,param);
538 fT2.fESDTrack.GetInnerExternalCovariance(cov);
539 alpha = fT2.fESDTrack.GetInnerAlpha();
540 AliExternalTrackParam paramd(x,alpha,param,cov);
545 Float_t v[3] = {fXr[0]-vertex[0],fXr[1]-vertex[1],fXr[2]-vertex[2]};
546 Float_t p[3] = {fPdr[0]+fPm[0], fPdr[1]+fPm[1],fPdr[2]+fPm[2]};
548 Float_t vnorm2 = v[0]*v[0]+v[1]*v[1];
549 Float_t vnorm3 = TMath::Sqrt(v[2]*v[2]+vnorm2);
550 vnorm2 = TMath::Sqrt(vnorm2);
551 Float_t pnorm2 = p[0]*p[0]+p[1]*p[1];
552 Float_t pnorm3 = TMath::Sqrt(p[2]*p[2]+pnorm2);
553 pnorm2 = TMath::Sqrt(pnorm2);
555 fPointAngleFi = (v[0]*p[0]+v[1]*p[1])/(vnorm2*pnorm2);
556 fPointAngleTh = (v[2]*p[2]+vnorm2*pnorm2)/(vnorm3*pnorm3);
557 fPointAngle = (v[0]*p[0]+v[1]*p[1]+v[2]*p[2])/(vnorm3*pnorm3);
562 void AliESDRecKinkInfo::Update()
565 if ( (fT1.fTPCOn)&& (fT2.fTPCOn)){
567 // IF BOTH RECONSTRUCTED
568 Float_t distance1,distance2;
569 Double_t xx[3],pp[3];
571 Double_t xd[3],pd[3],signd;
572 Double_t xm[3],pm[3],signm;
573 for (Int_t i=0;i<3;i++){
574 xd[i] = fT2.fTPCinR1[i];
575 pd[i] = fT2.fTPCinP1[i];
576 xm[i] = fT1.fTPCinR1[i];
577 pm[i] = fT1.fTPCinP1[i];
579 signd = fT2.fSign<0 ? -1:1;
580 signm = fT1.fSign<0 ? -1:1;
582 AliHelix dhelix1(xd,pd,signd);
583 dhelix1.GetMomentum(0,pp,0);
584 dhelix1.Evaluate(0,xx);
586 // Double_t x2[3],p2[3];
588 AliHelix mhelix(xm,pm,signm);
590 //find intersection linear
592 Double_t phase[2][2],radius[2];
593 Int_t points = dhelix1.GetRPHIintersections(mhelix, phase, radius,200);
594 Double_t delta1=10000,delta2=10000;
597 fMinR = TMath::Sqrt(radius[0]);
600 fMinR =TMath::Min(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
604 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
605 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
606 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
609 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
610 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
611 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
614 fMinR = TMath::Sqrt(radius[0]);
618 if (radius[0]<radius[1]){
619 fMinR = TMath::Sqrt(radius[0]);
623 fMinR = TMath::Sqrt(radius[1]);
629 distance1 = TMath::Min(delta1,delta2);
631 //find intersection parabolic
633 points = dhelix1.GetRPHIintersections(mhelix, phase, radius);
634 delta1=10000,delta2=10000;
637 dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
640 dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
643 distance2 = TMath::Min(delta1,delta2);
646 dhelix1.Evaluate(phase[0][0],fXr);
647 dhelix1.GetMomentum(phase[0][0],fPdr);
648 mhelix.GetMomentum(phase[0][1],fPm);
649 dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],fAngle);
650 fRr = TMath::Sqrt(radius[0]);
653 dhelix1.Evaluate(phase[1][0],fXr);
654 dhelix1.GetMomentum(phase[1][0], fPdr);
655 mhelix.GetMomentum(phase[1][1], fPm);
656 dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],fAngle);
657 fRr = TMath::Sqrt(radius[1]);
659 fDist1 = TMath::Sqrt(distance1);
660 fDist2 = TMath::Sqrt(distance2);
663 Double_t x,alpha,param[5],cov[15];
665 fT1.fESDTrack.GetInnerExternalParameters(x,param);
666 fT1.fESDTrack.GetInnerExternalCovariance(cov);
667 alpha = fT1.fESDTrack.GetInnerAlpha();
668 AliExternalTrackParam paramm(x,alpha,param,cov);
670 fT2.fESDTrack.GetInnerExternalParameters(x,param);
671 fT2.fESDTrack.GetInnerExternalCovariance(cov);
672 alpha = fT2.fESDTrack.GetInnerAlpha();
673 AliExternalTrackParam paramd(x,alpha,param,cov);
676 kink.Update(¶mm,¶md);
678 Double_t diff = kink.fRr-fRr;
679 Double_t diff2 = kink.fDist2-fDist2;
680 printf("Diff\t%f\t%f\n",diff,diff2);
691 ////////////////////////////////////////////////////////////////////////
697 ////////////////////////////////////////////////////////////////////////
698 ESDCmpTr::ESDCmpTr(const char* fnGenTracks,
700 const char* fnGalice, Int_t direction,
701 Int_t nEvents, Int_t firstEvent)
704 // fFnGenTracks = fnGenTracks;
706 sprintf(fFnGenTracks,"%s",fnGenTracks);
707 sprintf(fFnCmp,"%s",fnCmp);
709 fFirstEventNr = firstEvent;
710 fEventNr = firstEvent;
712 fDirection = direction;
714 fLoader = AliRunLoader::Open(fnGalice);
716 //delete gAlice->GetRunLoader();
720 if (fLoader->LoadgAlice()){
721 cerr<<"Error occured while l"<<endl;
723 Int_t nall = fLoader->GetNumberOfEvents();
731 cerr<<"no events available"<<endl;
735 if (firstEvent+nEvents>nall) {
736 fEventNr = nall-firstEvent;
737 cerr<<"restricted number of events availaible"<<endl;
739 AliMagF * magf = gAlice->Field();
740 AliTracker::SetFieldMap(magf);
745 ////////////////////////////////////////////////////////////////////////
746 ESDCmpTr::~ESDCmpTr()
753 //////////////////////////////////////////////////////////////
754 Int_t ESDCmpTr::SetIO()
759 if (!fTreeCmp) return 1;
760 fParamTPC = GetTPCParam();
762 if (!ConnectGenTree()) {
763 cerr<<"Cannot connect tree with generated tracks"<<endl;
769 //////////////////////////////////////////////////////////////
771 Int_t ESDCmpTr::SetIO(Int_t eventNr)
777 TFile f("AliESDs.root");
780 TTree* tree = (TTree*) f.Get("esdTree");
783 sprintf(ename,"%d",eventNr);
784 fEvent = (AliESD*)f.Get(ename);
786 sprintf(ename,"ESD%d",eventNr);
787 fEvent = (AliESD*)f.Get(ename);
791 tree->SetBranchAddress("ESD", &fEvent);
792 tree->GetEntry(eventNr);
798 sprintf(ename,"%d",eventNr);
799 fEvent = (AliESD*)f.Get(ename);
801 sprintf(ename,"ESD%d",eventNr);
802 fEvent = (AliESD*)f.Get(ename);
805 TTree* tree = (TTree*) f.Get("esdTree");
807 Error("CheckESD", "no ESD tree found");
810 tree->SetBranchAddress("ESD", &fEvent);
811 tree->GetEntry(eventNr);
814 if (!fEvent) return 1;
821 ////////////////////////////////////////////////////////////////////////
822 void ESDCmpTr::Reset()
829 // fFnCmp = "cmpTracks.root";
837 ////////////////////////////////////////////////////////////////////////
838 Int_t ESDCmpTr::Exec(Int_t nEvents, Int_t firstEventNr)
841 fFirstEventNr = firstEventNr;
845 ////////////////////////////////////////////////////////////////////////
846 Int_t ESDCmpTr::Exec()
854 fNextTreeGenEntryToRead = 0;
856 cerr<<"fFirstEventNr, fNEvents: "<<fFirstEventNr<<" "<<fNEvents<<endl;
857 for (Int_t eventNr = fFirstEventNr; eventNr < fFirstEventNr+fNEvents;
861 fNParticles = gAlice->GetEvent(fEventNr);
863 fIndexRecTracks = new Int_t[fNParticles*20]; //write at maximum 4 tracks corresponding to particle
864 fIndexRecKinks = new Int_t[fNParticles*20]; //write at maximum 20 tracks corresponding to particle
865 fIndexRecV0 = new Int_t[fNParticles*20]; //write at maximum 20 tracks corresponding to particle
867 fFakeRecTracks = new Int_t[fNParticles];
868 fMultiRecTracks = new Int_t[fNParticles];
869 fMultiRecKinks = new Int_t[fNParticles];
870 fMultiRecV0 = new Int_t[fNParticles];
872 for (Int_t i = 0; i<fNParticles; i++) {
873 for (Int_t j=0;j<20;j++){
874 fIndexRecTracks[20*i+j] = -1;
875 fIndexRecKinks[20*i+j] = -1;
876 fIndexRecV0[20*i+j] = -1;
878 fFakeRecTracks[i] = 0;
879 fMultiRecTracks[i] = 0;
880 fMultiRecKinks[i] = 0;
884 cout<<"Start to process event "<<fEventNr<<endl;
885 cout<<"\tfNParticles = "<<fNParticles<<endl;
886 if (fDebug>2) cout<<"\tStart loop over TreeT"<<endl;
887 if (TreeTLoop()>0) return 1;
889 if (fDebug>2) cout<<"\tStart loop over tree genTracks"<<endl;
890 if (TreeGenLoop(eventNr)>0) return 1;
891 BuildKinkInfo0(eventNr);
892 BuildV0Info(eventNr);
895 if (fDebug>2) cout<<"\tEnd loop over tree genTracks"<<endl;
897 delete [] fIndexRecTracks;
898 delete [] fIndexRecKinks;
899 delete [] fIndexRecV0;
900 delete [] fFakeRecTracks;
901 delete [] fMultiRecTracks;
902 delete [] fMultiRecKinks;
903 delete [] fMultiRecV0;
908 cerr<<"Exec finished"<<endl;
914 ////////////////////////////////////////////////////////////////////////
915 Bool_t ESDCmpTr::ConnectGenTree()
918 // connect all branches from the genTracksTree
919 // use the same variables as for the new cmp tree, it may work
921 fFileGenTracks = TFile::Open(fFnGenTracks,"READ");
922 if (!fFileGenTracks) {
923 cerr<<"Error in ConnectGenTree: cannot open file "<<fFnGenTracks<<endl;
926 fTreeGenTracks = (TTree*)fFileGenTracks->Get("genTracksTree");
927 if (!fTreeGenTracks) {
928 cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
929 <<fFnGenTracks<<endl;
933 fMCInfo = new AliMCInfo;
934 fTreeGenTracks->SetBranchAddress("MC",&fMCInfo);
937 fTreeGenKinks = (TTree*)fFileGenTracks->Get("genKinksTree");
938 if (!fTreeGenKinks) {
939 cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
940 <<fFnGenTracks<<endl;
944 fGenKinkInfo = new AliGenKinkInfo;
945 fTreeGenKinks->SetBranchAddress("MC",&fGenKinkInfo);
948 fTreeGenV0 = (TTree*)fFileGenTracks->Get("genV0Tree");
950 cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
951 <<fFnGenTracks<<endl;
955 fGenV0Info = new AliGenV0Info;
956 fTreeGenV0->SetBranchAddress("MC",&fGenV0Info);
960 cout<<"Number of gen. tracks with TR: "<<fTreeGenTracks->GetEntries()<<endl;
966 ////////////////////////////////////////////////////////////////////////
967 void ESDCmpTr::CreateTreeCmp()
969 fFileCmp = TFile::Open(fFnCmp,"RECREATE");
971 cerr<<"Error in CreateTreeCmp: cannot open file "<<fFnCmp<<endl;
976 fTreeCmp = new TTree("ESDcmpTracks","ESDcmpTracks");
977 fMCInfo = new AliMCInfo;
978 fRecInfo = new AliESDRecInfo;
979 AliESDtrack * esdTrack = new AliESDtrack;
980 // AliITStrackMI * itsTrack = new AliITStrackMI;
981 fTreeCmp->Branch("MC","AliMCInfo",&fMCInfo);
982 fTreeCmp->Branch("RC","AliESDRecInfo",&fRecInfo);
983 fTreeCmp->Branch("fESDTrack","AliESDtrack",&esdTrack);
984 // fTreeCmp->Branch("ITS","AliITStrackMI",&itsTrack);
988 fTreeCmpKinks = new TTree("ESDcmpKinks","ESDcmpKinks");
989 fGenKinkInfo = new AliGenKinkInfo;
990 fRecKinkInfo = new AliESDRecKinkInfo;
991 fTreeCmpKinks->Branch("MC.","AliGenKinkInfo",&fGenKinkInfo);
992 fTreeCmpKinks->Branch("RC.","AliESDRecKinkInfo",&fRecKinkInfo);
995 fTreeCmpV0 = new TTree("ESDcmpV0","ESDcmpV0");
996 fGenV0Info = new AliGenV0Info;
997 fRecV0Info = new AliESDRecV0Info;
998 fTreeCmpV0->Branch("MC.","AliGenV0Info", &fGenV0Info);
999 fTreeCmpV0->Branch("RC.","AliESDRecV0Info",&fRecV0Info);
1001 fTreeCmp->AutoSave();
1002 fTreeCmpKinks->AutoSave();
1003 fTreeCmpV0->AutoSave();
1005 ////////////////////////////////////////////////////////////////////////
1006 void ESDCmpTr::CloseOutputFile()
1009 cerr<<"File "<<fFnCmp<<" not found as an open file."<<endl;
1020 ////////////////////////////////////////////////////////////////////////
1022 TVector3 ESDCmpTr::TR2Local(AliTrackReference *trackRef,
1023 AliTPCParam *paramTPC) {
1025 Float_t x[3] = { trackRef->X(),trackRef->Y(),trackRef->Z()};
1027 paramTPC->Transform0to1(x,index);
1028 paramTPC->Transform1to2(x,index);
1031 ////////////////////////////////////////////////////////////////////////
1033 Int_t ESDCmpTr::TreeTLoop()
1036 // loop over all ESD reconstructed tracks and store info in memory
1038 // + loop over all reconstructed kinks
1042 Int_t nEntries = (Int_t)fEvent->GetNumberOfTracks();
1043 Int_t nKinks = (Int_t) fEvent->GetNumberOfKinks();
1044 Int_t nV0MIs = (Int_t) fEvent->GetNumberOfV0MIs();
1045 fSignedKinks = new Int_t[nKinks];
1046 fSignedV0 = new Int_t[nV0MIs];
1048 // load kinks to the memory
1049 for (Int_t i=0; i<nKinks;i++){
1050 AliESDkink * kink =fEvent->GetKink(i);
1052 if (kink->fStatus<0) continue;
1055 for (Int_t i=0; i<nV0MIs;i++){
1056 AliESDV0MI * v0MI =fEvent->GetV0MI(i);
1058 if (v0MI->fStatus<0) continue;
1063 AliESDtrack * track=0;
1064 for (Int_t iEntry=0; iEntry<nEntries;iEntry++){
1065 //track = (AliESDtrack*)fTracks->UncheckedAt(iEntry);
1066 track = (AliESDtrack*)fEvent->GetTrack(iEntry);
1068 Int_t label = track->GetLabel();
1069 Int_t absLabel = abs(label);
1070 if (absLabel < fNParticles) {
1071 // fIndexRecTracks[absLabel] = iEntry;
1072 if (label < 0) fFakeRecTracks[absLabel]++;
1073 if (fMultiRecTracks[absLabel]>0){
1074 if (fMultiRecTracks[absLabel]<20)
1075 fIndexRecTracks[absLabel*20+fMultiRecTracks[absLabel]] = iEntry;
1078 fIndexRecTracks[absLabel*20] = iEntry;
1079 fMultiRecTracks[absLabel]++;
1082 // sort reconstructed kinks
1084 AliESDkink * kink=0;
1085 for (Int_t iEntry=0; iEntry<nKinks;iEntry++){
1086 kink = (AliESDkink*)fEvent->GetKink(iEntry);
1087 if (!kink) continue;
1089 Int_t label0 = TMath::Abs(kink->fLab[0]);
1090 Int_t label1 = TMath::Abs(kink->fLab[1]);
1092 Int_t absLabel = TMath::Min(label0,label1);
1093 if (absLabel < fNParticles) {
1094 if (fMultiRecKinks[absLabel]>0){
1095 if (fMultiRecKinks[absLabel]<20)
1096 fIndexRecKinks[absLabel*20+fMultiRecKinks[absLabel]] = iEntry;
1099 fIndexRecKinks[absLabel*20] = iEntry;
1100 fMultiRecKinks[absLabel]++;
1103 // --sort reconstructed V0
1105 AliESDV0MI * v0MI=0;
1106 for (Int_t iEntry=0; iEntry<nV0MIs;iEntry++){
1107 v0MI = fEvent->GetV0MI(iEntry);
1108 if (!v0MI) continue;
1110 Int_t label0 = TMath::Abs(v0MI->fLab[0]);
1111 Int_t label1 = TMath::Abs(v0MI->fLab[1]);
1113 Int_t absLabel = TMath::Min(label0,label1);
1114 if (absLabel < fNParticles) {
1115 if (fMultiRecV0[absLabel]>0){
1116 if (fMultiRecV0[absLabel]<20)
1117 fIndexRecV0[absLabel*20+fMultiRecV0[absLabel]] = iEntry;
1120 fIndexRecV0[absLabel*20] = iEntry;
1121 fMultiRecV0[absLabel]++;
1126 printf("Time spended in TreeTLoop\n");
1129 if (fDebug > 2) cerr<<"end of TreeTLoop"<<endl;
1133 ////////////////////////////////////////////////////////////////////////
1134 Int_t ESDCmpTr::TreeGenLoop(Int_t eventNr)
1137 // loop over all entries for a given event, find corresponding
1138 // rec. track and store in the fTreeCmp
1142 Int_t entry = fNextTreeGenEntryToRead;
1143 Double_t nParticlesTR = fTreeGenTracks->GetEntriesFast();
1144 cerr<<"fNParticles, nParticlesTR, fNextTreeGenEntryToRead: "<<fNParticles<<" "
1145 <<nParticlesTR<<" "<<fNextTreeGenEntryToRead<<endl;
1146 TBranch * branch = fTreeCmp->GetBranch("RC");
1147 branch->SetAddress(&fRecInfo); // set all pointers
1148 fRecArray = new TObjArray(fNParticles);
1150 while (entry < nParticlesTR) {
1151 fTreeGenTracks->GetEntry(entry);
1153 if (eventNr < fMCInfo->fEventNr) continue;
1154 if (eventNr > fMCInfo->fEventNr) continue;;
1156 fNextTreeGenEntryToRead = entry-1;
1157 if (fDebug > 2 && fMCInfo->fLabel < 10) {
1158 cerr<<"Fill track with a label "<<fMCInfo->fLabel<<endl;
1160 // if (fMCInfo->fNTPCRef<1) continue; // not TPCref
1163 AliESDtrack * track=0;
1164 fRecInfo->fReconstructed =0;
1165 TVector3 local = TR2Local(&(fMCInfo->fTrackRef),fParamTPC);
1166 local.GetXYZ(fRecInfo->fTRLocalCoord);
1168 if (fIndexRecTracks[fMCInfo->fLabel*20] >= 0) {
1169 //track= (AliESDtrack*)fTracks->UncheckedAt(fIndexRecTracks[fMCInfo->fLabel*4]);
1170 track= (AliESDtrack*)fEvent->GetTrack(fIndexRecTracks[fMCInfo->fLabel*20]);
1173 // find nearest track if multifound
1174 //Int_t sign = Int_t(track->GetSign()*fMCInfo->fCharge);
1177 if ((track->GetStatus()&AliESDtrack::kITSrefit)>0) status++;
1178 if ((track->GetStatus()&AliESDtrack::kTPCrefit)>0) status++;
1179 if ((track->GetStatus()&AliESDtrack::kTRDrefit)>0) status++;
1182 if (fIndexRecTracks[fMCInfo->fLabel*20+1]>0){
1185 track->GetInnerPxPyPz(p);
1186 Float_t maxp = p[0]*p[0]+p[1]*p[1]+p[2]*p[2];
1188 for (Int_t i=1;i<20;i++){
1189 if (fIndexRecTracks[fMCInfo->fLabel*20+i]>=0){
1190 AliESDtrack * track2 = (AliESDtrack*)fEvent->GetTrack(fIndexRecTracks[fMCInfo->fLabel*20+i]);
1191 if (!track2) continue;
1192 //Int_t sign2 = track->GetSign()*fMCInfo->fCharge; //
1193 //if (sign2<0) continue;
1194 track2->GetInnerPxPyPz(p);
1195 Float_t mom = p[0]*p[0]+p[1]*p[1]+p[2]*p[2];
1206 if ((track2->GetStatus()&AliESDtrack::kITSrefit)>0) status2++;
1207 if ((track2->GetStatus()&AliESDtrack::kTPCrefit)>0) status2++;
1208 if ((track2->GetStatus()&AliESDtrack::kTRDrefit)>0) status2++;
1209 if (status2<status) continue;
1211 if (mom<maxp) continue;
1219 fRecInfo->fESDTrack =*track;
1220 if (track->GetITStrack())
1221 fRecInfo->fITStrack = *((AliITStrackMI*)track->GetITStrack());
1222 if (track->GetTRDtrack()){
1223 fRecInfo->fTRDtrack = *((AliTRDtrack*)track->GetTRDtrack());
1226 fRecInfo->fTRDtrack.SetdEdx(-1);
1228 fRecInfo->fReconstructed = 1;
1229 fRecInfo->fFake = fFakeRecTracks[fMCInfo->fLabel];
1230 fRecInfo->fMultiple = fMultiRecTracks[fMCInfo->fLabel];
1232 fRecInfo->Update(fMCInfo,fParamTPC,kTRUE);
1235 fRecInfo->Update(fMCInfo,fParamTPC,kFALSE);
1237 fRecArray->AddAt(new AliESDRecInfo(*fRecInfo),fMCInfo->fLabel);
1240 fTreeCmp->AutoSave();
1241 //fTracks->Delete();
1242 printf("Time spended in TreeGenLoop\n");
1244 if (fDebug > 2) cerr<<"end of TreeGenLoop"<<endl;
1251 ////////////////////////////////////////////////////////////////////////
1252 ////////////////////////////////////////////////////////////////////////
1253 ////////////////////////////////////////////////////////////////////////
1254 Int_t ESDCmpTr::BuildKinkInfo0(Int_t eventNr)
1257 // loop over all entries for a given event, find corresponding
1258 // rec. track and store in the fTreeCmp
1262 Int_t entry = fNextKinkToRead;
1263 Double_t nParticlesTR = fTreeGenKinks->GetEntriesFast();
1264 cerr<<"fNParticles, nParticlesTR, fNextKinkToRead: "<<fNParticles<<" "
1265 <<nParticlesTR<<" "<<fNextKinkToRead<<endl;
1267 TBranch * branch = fTreeCmpKinks->GetBranch("RC.");
1268 branch->SetAddress(&fRecKinkInfo); // set all pointers
1271 while (entry < nParticlesTR) {
1272 fTreeGenKinks->GetEntry(entry);
1274 if (eventNr < fGenKinkInfo->fMCm.fEventNr) continue;
1275 if (eventNr > fGenKinkInfo->fMCm.fEventNr) continue;;
1277 fNextKinkToRead = entry-1;
1280 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(fGenKinkInfo->fMCm.fLabel);
1281 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(fGenKinkInfo->fMCd.fLabel);
1282 fRecKinkInfo->fT1 = (*fRecInfo1);
1283 fRecKinkInfo->fT2 = (*fRecInfo2);
1284 fRecKinkInfo->fStatus =0;
1285 if (fRecInfo1 && fRecInfo1->fTPCOn) fRecKinkInfo->fStatus+=1;
1286 if (fRecInfo2 && fRecInfo2->fTPCOn) fRecKinkInfo->fStatus+=2;
1287 if (fRecKinkInfo->fStatus==3&&fRecInfo1->fSign!=fRecInfo2->fSign) fRecKinkInfo->fStatus*=-1;
1289 if (fRecKinkInfo->fStatus==3){
1290 fRecKinkInfo->Update();
1292 Int_t label = TMath::Min(fGenKinkInfo->fMCm.fLabel,fGenKinkInfo->fMCd.fLabel);
1293 Int_t label2 = TMath::Max(fGenKinkInfo->fMCm.fLabel,fGenKinkInfo->fMCd.fLabel);
1296 fRecKinkInfo->fRecStatus =0;
1297 fRecKinkInfo->fMultiple = fMultiRecKinks[label];
1298 fRecKinkInfo->fKinkMultiple=0;
1300 if (fMultiRecKinks[label]>0){
1302 // for (Int_t j=0;j<TMath::Min(fMultiRecKinks[label],100);j++){
1303 for (Int_t j=TMath::Min(fMultiRecKinks[label],20)-1;j>=0;j--){
1304 Int_t index = fIndexRecKinks[label*20+j];
1305 //AliESDkink *kink2 = (AliESDkink*)fKinks->At(index);
1306 AliESDkink *kink2 = (AliESDkink*)fEvent->GetKink(index);
1307 if (TMath::Abs(kink2->fLab[0])==label &&TMath::Abs(kink2->fLab[1])==label2) {
1309 fRecKinkInfo->fKinkMultiple++;
1310 fSignedKinks[index]=1;
1312 if (TMath::Abs(kink2->fLab[1])==label &&TMath::Abs(kink2->fLab[0])==label2) {
1314 fRecKinkInfo->fKinkMultiple++;
1315 fSignedKinks[index]=1;
1320 fRecKinkInfo->fKink = *kink;
1321 fRecKinkInfo->fRecStatus=1;
1323 fTreeCmpKinks->Fill();
1325 // Int_t nkinks = fKinks->GetEntriesFast();
1326 Int_t nkinks = fEvent->GetNumberOfKinks();
1327 for (Int_t i=0;i<nkinks;i++){
1328 if (fSignedKinks[i]==0){
1329 // AliESDkink *kink = (AliESDkink*)fKinks->At(i);
1330 AliESDkink *kink = (AliESDkink*)fEvent->GetKink(i);
1331 if (!kink) continue;
1333 fRecKinkInfo->fKink = *kink;
1334 fRecKinkInfo->fRecStatus =-2;
1336 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(kink->fLab[0]));
1337 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(kink->fLab[1]));
1338 if (fRecInfo1 && fRecInfo2){
1339 fRecKinkInfo->fT1 = (*fRecInfo1);
1340 fRecKinkInfo->fT2 = (*fRecInfo2);
1341 fRecKinkInfo->fRecStatus =-1;
1343 fTreeCmpKinks->Fill();
1348 fTreeCmpKinks->AutoSave();
1349 printf("Time spended in BuilKinkInfo Loop\n");
1351 if (fDebug > 2) cerr<<"end of BuildKinkInfo Loop"<<endl;
1355 ////////////////////////////////////////////////////////////////////////
1356 ////////////////////////////////////////////////////////////////////////
1357 ////////////////////////////////////////////////////////////////////////
1359 Int_t ESDCmpTr::BuildV0Info(Int_t eventNr)
1362 // loop over all entries for a given event, find corresponding
1363 // rec. track and store in the fTreeCmp
1367 Int_t entry = fNextV0ToRead;
1368 Double_t nParticlesTR = fTreeGenV0->GetEntriesFast();
1369 cerr<<"fNParticles, nParticlesTR, fNextV0ToRead: "<<fNParticles<<" "
1370 <<nParticlesTR<<" "<<fNextV0ToRead<<endl;
1372 TBranch * branch = fTreeCmpV0->GetBranch("RC.");
1373 branch->SetAddress(&fRecV0Info); // set all pointers
1374 const AliESDVertex * esdvertex = fEvent->GetVertex();
1375 Float_t vertex[3]= {esdvertex->GetXv(), esdvertex->GetYv(),esdvertex->GetZv()};
1378 while (entry < nParticlesTR) {
1379 fTreeGenV0->GetEntry(entry);
1381 if (eventNr < fGenV0Info->fMCm.fEventNr) continue;
1382 if (eventNr > fGenV0Info->fMCm.fEventNr) continue;;
1384 fNextV0ToRead = entry-1;
1387 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(fGenV0Info->fMCm.fLabel);
1388 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(fGenV0Info->fMCd.fLabel);
1389 if (fGenV0Info->fMCm.fCharge*fGenV0Info->fMCd.fCharge>0) continue; // interactions
1390 if (!fRecInfo1 || !fRecInfo2) continue;
1391 fRecV0Info->fT1 = (*fRecInfo1);
1392 fRecV0Info->fT2 = (*fRecInfo2);
1393 fRecV0Info->fV0Status =0;
1394 if (fRecInfo1 && fRecInfo1->fStatus[1]>0) fRecV0Info->fV0Status+=1;
1395 if (fRecInfo2 && fRecInfo2->fStatus[1]>0) fRecV0Info->fV0Status+=2;
1397 if (fRecV0Info->fV0Status==3&&fRecInfo1->fSign==fRecInfo2->fSign) fRecV0Info->fV0Status*=-1;
1400 if (abs(fRecV0Info->fV0Status)==3){
1401 fRecV0Info->Update(vertex);
1405 Double_t x,alpha, param[5],cov[15];
1406 fRecV0Info->fT1.fESDTrack.GetInnerExternalParameters(x,param);
1407 fRecV0Info->fT1.fESDTrack.GetInnerExternalCovariance(cov);
1408 alpha = fRecV0Info->fT1.fESDTrack.GetInnerAlpha();
1409 AliExternalTrackParam paramP(x,alpha,param,cov);
1411 fRecV0Info->fT2.fESDTrack.GetInnerExternalParameters(x,param);
1412 fRecV0Info->fT2.fESDTrack.GetInnerExternalCovariance(cov);
1413 alpha = fRecV0Info->fT2.fESDTrack.GetInnerAlpha();
1414 AliExternalTrackParam paramM(x,alpha,param,cov);
1416 fRecV0Info->fV0tpc.SetM(paramM);
1417 fRecV0Info->fV0tpc.SetP(paramP);
1418 Double_t pid1[5],pid2[5];
1419 fRecV0Info->fT1.fESDTrack.GetESDpid(pid1);
1420 fRecV0Info->fT1.fESDTrack.GetESDpid(pid2);
1422 fRecV0Info->fV0tpc.UpdatePID(pid1,pid2);
1423 fRecV0Info->fV0tpc.Update(vertex);
1426 fRecV0Info->fT1.fESDTrack.GetExternalParameters(x,param);
1427 fRecV0Info->fT1.fESDTrack.GetExternalCovariance(cov);
1428 alpha = fRecV0Info->fT1.fESDTrack.GetAlpha();
1429 new (¶mP) AliExternalTrackParam(x,alpha,param,cov);
1431 fRecV0Info->fT2.fESDTrack.GetExternalParameters(x,param);
1432 fRecV0Info->fT2.fESDTrack.GetExternalCovariance(cov);
1433 alpha = fRecV0Info->fT2.fESDTrack.GetAlpha();
1434 new (¶mM) AliExternalTrackParam(x,alpha,param,cov);
1436 fRecV0Info->fV0its.SetM(paramM);
1437 fRecV0Info->fV0its.SetP(paramP);
1438 fRecV0Info->fV0its.UpdatePID(pid1,pid2);
1439 fRecV0Info->fV0its.Update(vertex);
1442 if (TMath::Abs(fGenV0Info->fMCm.fPdg)==11 &&TMath::Abs(fGenV0Info->fMCd.fPdg)==11){
1443 if (fRecV0Info->fDist2>10){
1444 fRecV0Info->Update(vertex);
1446 if (fRecV0Info->fDist2>10){
1447 fRecV0Info->Update(vertex);
1452 // take the V0 from reconstruction
1454 Int_t label = TMath::Min(fGenV0Info->fMCm.fLabel,fGenV0Info->fMCd.fLabel);
1455 Int_t label2 = TMath::Max(fGenV0Info->fMCm.fLabel,fGenV0Info->fMCd.fLabel);
1457 fRecV0Info->fRecStatus =0;
1458 fRecV0Info->fMultiple = fMultiRecV0[label];
1459 fRecV0Info->fV0Multiple=0;
1461 if (fMultiRecV0[label]>0){
1463 // for (Int_t j=0;j<TMath::Min(fMultiRecV0s[label],100);j++){
1464 for (Int_t j=TMath::Min(fMultiRecV0[label],20)-1;j>=0;j--){
1465 Int_t index = fIndexRecV0[label*20+j];
1466 AliESDV0MI *v0MI2 = fEvent->GetV0MI(index);
1467 if (TMath::Abs(v0MI2->fLab[0])==label &&TMath::Abs(v0MI2->fLab[1])==label2) {
1469 fRecV0Info->fV0Multiple++;
1472 if (TMath::Abs(v0MI2->fLab[1])==label &&TMath::Abs(v0MI2->fLab[0])==label2) {
1474 fRecV0Info->fV0Multiple++;
1480 fRecV0Info->fV0rec = *v0MI;
1481 fRecV0Info->fRecStatus=1;
1489 Int_t nV0MIs = fEvent->GetNumberOfV0MIs();
1490 for (Int_t i=0;i<nV0MIs;i++){
1491 if (fSignedV0[i]==0){
1492 AliESDV0MI *v0MI = fEvent->GetV0MI(i);
1493 if (!v0MI) continue;
1495 fRecV0Info->fV0rec = *v0MI;
1496 fRecV0Info->fV0Status =-10;
1497 fRecV0Info->fRecStatus =-2;
1499 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(v0MI->fLab[0]));
1500 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(v0MI->fLab[1]));
1501 if (fRecInfo1 && fRecInfo2){
1502 fRecV0Info->fT1 = (*fRecInfo1);
1503 fRecV0Info->fT2 = (*fRecInfo2);
1504 fRecV0Info->fRecStatus =-1;
1512 fTreeCmpV0->AutoSave();
1513 fRecArray->Delete();
1514 printf("Time spended in BuilV0Info Loop\n");
1516 if (fDebug > 2) cerr<<"end of BuildV0Info Loop"<<endl;
1519 ////////////////////////////////////////////////////////////////////////
1520 ////////////////////////////////////////////////////////////////////////
1522 void AliESDComparisonDraw::SetIO(const char *fname)
1525 TFile* file = TFile::Open(fname);
1527 fTree = (TTree*) file->Get("ESDcmpTracks");
1529 printf("no track comparison tree found\n");