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"Cleaned" initialization and usage of the run number.
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ae7d73d2 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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
17///////////////////////////////////////////////////////////////////////////////
18// //
19// Time Projection Chamber //
20// Comparison macro for ESD //
21// responsible:
22// marian.ivanov@cern.ch //
23//
24//
25
e1eaa672 26/*
ae7d73d2 27marian.ivanov@cern.ch
28Usage:
e1eaa672 29
ae7d73d2 30
b3bf848f 31.L $ALICE_ROOT/STEER/AliGenInfo.C+
ae7d73d2 32//be sure you created genTracks file before
b3bf848f 33.L $ALICE_ROOT/STEER/AliESDComparisonMI.C+
ae7d73d2 34//
e1eaa672 35ESDCmpTr *t2 = new ESDCmpTr("genTracks.root","cmpESDTracks.root","galice.root",-1,0,0);
ae7d73d2 36t2->Exec();
37
38//
39//some cuts definition
51ad6848 40TCut cprim("cprim","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<0.01&&abs(MC.fVDist[2])<0.01")
ae7d73d2 41//TCut cprim("cprim","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<0.5&&abs(MC.fVDist[2])<0.5")
51ad6848 42//TCut citsin("citsin","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<3.9");
f007cb5f 43TCut citsin("citsin","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<5");
ae7d73d2 44TCut csec("csec","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)>0.5");
45
46
47TCut crec("crec","fReconstructed==1");
51ad6848 48TCut cteta1("cteta1","abs(MC.fParticle.Theta()/3.1415-0.5)<0.25");
f007cb5f 49TCut cteta05("cteta05","abs(MC.fParticle.Theta()/3.1415-0.5)<0.1");
50
ae7d73d2 51TCut cpos1("cpos1","abs(MC.fParticle.fVz/sqrt(MC.fParticle.fVx*MC.fParticle.fVx+MC.fParticle.fVy*MC.fParticle.fVy))<1");
52TCut csens("csens","abs(sqrt(fVDist[0]**2+fVDist[1]**2)-170)<50");
53TCut cmuon("cmuon","abs(MC.fParticle.fPdgCode==-13)");
54TCut cchi2("cchi2","fESDTrack.fITSchi2MIP[0]<7.&&fESDTrack.fITSchi2MIP[1]<5.&&fESDTrack.fITSchi2MIP[2]<7.&&fESDTrack.fITSchi2MIP[3]<7.5&&fESDTrack.fITSchi2MIP[4]<6.")
55
56AliESDComparisonDraw comp;
57comp.SetIO();
51ad6848 58TFile f("genHits.root");
59TTree * treel = (TTree*)f.Get("HitLines");
60if (treel) comp->fTree->AddFriend(treel,"L");
ae7d73d2 61
62//
63//example
64comp.fTree->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
51ad6848 65comp.fTree->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
66comp.fTree->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
67comp.fTree->SetAlias("theta","MC.fTrackRef.Theta()");
68comp.fTree->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
51ad6848 69comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
f007cb5f 70comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
71
ae7d73d2 72
73TH1F his("his","his",100,0,20);
74TH1F hpools("hpools","hpools",100,-7,7);
75TH1F hfake("hfake","hfake",1000,0,150);
76TProfile profp0("profp0","profp0",20,-0.4,0.9)
77
f007cb5f 78comp.DrawXY("fTPCinP0[3]","fTPCDelta[4]/fTPCinP1[3]","fReconstructed==1"+cprim,"1",4,0.2,1.5,-0.06,0.06)
ae7d73d2 79comp.fRes->Draw();
80comp.fMean->Draw();
51ad6848 81
f007cb5f 82comp.DrawXY("fITSinP0[3]","fITSDelta[4]/fITSinP1[3]","fReconstructed==1&&fITSOn"+cprim,"1",4,0.2,1.5,-0.06,0.06)
51ad6848 83comp.fRes->Draw();
84
85comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn",20,0.2,1.5)
86comp.fRes->Draw();
87
88comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn&&fITSOn&&fESDTrack.fITSFakeRatio<0.1",10,0.2,1.5)
89comp.fRes->Draw();
90comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn&&fITSOn&&fESDTrack.fITSFakeRatio>0.1",10,0.2,1.5)
ae7d73d2 91comp.fRes->Draw();
92
93comp.fTree->Draw("fESDTrack.fITSsignal/fESDTrack.fTPCsignal","fITSOn&&fTPCOn&&fESDTrack.fITSFakeRatio==0")
94
95TH1F his("his","his",100,0,20);
96TH1F hpools("hpools","hpools",100,-7,7);
97
f007cb5f 98TH2F * hdedx0 = new TH2F("dEdx0","dEdx0",100, 0,2,200,0,550); hdedx0->SetMarkerColor(1);
99TH2F * hdedx1 = new TH2F("dEdx1","dEdx1",100, 0,2,200,0,550); hdedx1->SetMarkerColor(4);
100TH2F * hdedx2 = new TH2F("dEdx2","dEdx2",100, 0,2,200,0,550); hdedx2->SetMarkerColor(3);
101TH2F * hdedx3 = new TH2F("dEdx3","dEdx3",100, 0,2,200,0,550); hdedx3->SetMarkerColor(2);
102
103comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx0","fITSOn&&abs(fPdg)==211&&fITStrack.fN==6"+cprim)
104comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx1","fITSOn&&abs(fPdg)==2212&&fITStrack.fN==6"+cprim)
105comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx2","fITSOn&&abs(fPdg)==321&&fITStrack.fN==6"+cprim)
106comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx3","fITSOn&&abs(fPdg)==11&&fITStrack.fN==6"+cprim)
51ad6848 107
51ad6848 108
f007cb5f 109comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx0","fTRDOn&&abs(fPdg)==211&&fTRDtrack.fN>40&&fStatus[2]>1")
110comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx1","fTRDOn&&abs(fPdg)==2212&&fTRDtrack.fN>40&&fStatus[2]>1")
111comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx2","fTRDOn&&abs(fPdg)==321&&fTRDtrack.fN>40&&fStatus[2]>1")
112comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx3","fTRDOn&&abs(fPdg)==11&&fTRDtrack.fN>40&&fStatus[2]>1")
51ad6848 113
e1eaa672 114comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx0","fTPCOn&&abs(fPdg)==211&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1);
115comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx1","fTPCOn&&abs(fPdg)==2212&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1);
116comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx2","fTPCOn&&abs(fPdg)==321&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1);
117comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx3","fTPCOn&&abs(fPdg)==11&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1);
51ad6848 118
e1eaa672 119hdedx3->SetXTitle("P(GeV/c)");
120hdedx3->SetYTitle("dEdx(unit)");
f007cb5f 121hdedx3->Draw(); hdedx1->Draw("same"); hdedx2->Draw("same"); hdedx0->Draw("same");
ae7d73d2 122
123comp.DrawXY("fITSinP0[3]","fITSPools[4]","fReconstructed==1&&fPdg==-211&&fITSOn"+cprim,"1",4,0.2,1.0,-8,8)
124
f007cb5f 125TProfile prof("prof","prof",10,0.5,5);
126
127
128
129
ae7d73d2 130*/
131
132
133#if !defined(__CINT__) || defined(__MAKECINT__)
134#include <stdio.h>
135#include <string.h>
136//ROOT includes
137#include "Rtypes.h"
138#include "TFile.h"
139#include "TTree.h"
140#include "TChain.h"
141#include "TCut.h"
142#include "TString.h"
143#include "TBenchmark.h"
144#include "TStopwatch.h"
145#include "TParticle.h"
146#include "TSystem.h"
147#include "TTimer.h"
148#include "TVector3.h"
149#include "TPad.h"
150#include "TCanvas.h"
151#include "TH1F.h"
152#include "TH2F.h"
153#include "TF1.h"
154#include "TText.h"
155#include "Getline.h"
156#include "TStyle.h"
157
158//ALIROOT includes
159#include "AliRun.h"
160#include "AliStack.h"
161#include "AliESDtrack.h"
162#include "AliSimDigits.h"
163#include "AliTPCParam.h"
164#include "AliTPC.h"
165#include "AliTPCLoader.h"
166#include "AliDetector.h"
167#include "AliTrackReference.h"
168#include "AliRun.h"
169#include "AliTPCParamSR.h"
170#include "AliTracker.h"
171#include "AliComplexCluster.h"
172#include "AliMagF.h"
86ad5fcb 173#include "AliESDEvent.h"
ae7d73d2 174#include "AliESDtrack.h"
51ad6848 175#include "AliITStrackMI.h"
ae7d73d2 176#include "AliTRDtrack.h"
51ad6848 177#include "AliHelix.h"
178#include "AliESDVertex.h"
179#include "AliExternalTrackParam.h"
180#include "AliESDkink.h"
d6a49f20 181#include "AliESDv0.h"
51ad6848 182
ae7d73d2 183#endif
184#include "AliGenInfo.h"
185#include "AliESDComparisonMI.h"
186
187
188
81e97e0d 189
190
191void MakeAliases(AliESDComparisonDraw&comp)
192{
193 //
194 // aliases definition
195 //
196 comp.fTree->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
197 comp.fTree->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
198 comp.fTree->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
199 comp.fTree->SetAlias("theta","MC.fTrackRef.Theta()");
200 comp.fTree->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
201 comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
202 comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
203
204 comp.fTree->SetAlias("trddedx","(RC.fESDTrack.fTRDsignals[0]+RC.fESDTrack.fTRDsignals[1]+RC.fESDTrack.fTRDsignals[2]+RC.fESDTrack.fTRDsignals[3]+RC.fESDTrack.fTRDsignals[4]+RC.fESDTrack.fTRDsignals[5])/6.");
205
206 comp.fTree->SetAlias("dtofmc2","fESDTrack.fTrackTime[2]-(10^12*MC.fTOFReferences[0].fTime)");
207 comp.fTree->SetAlias("dtofrc2","(fESDTrack.fTrackTime[2]-fESDTrack.fTOFsignal)");
208
209 comp.fTree->SetAlias("psum","fESDTrack.fTOFr[4]+fESDTrack.fTOFr[3]+fESDTrack.fTOFr[2]+fESDTrack.fTOFr[1]+fESDTrack.fTOFr[0]");
210 comp.fTree->SetAlias("P0","fESDTrack.fTOFr[0]/psum");
211 comp.fTree->SetAlias("P1","fESDTrack.fTOFr[1]/psum");
212 comp.fTree->SetAlias("P2","fESDTrack.fTOFr[2]/psum");
213 comp.fTree->SetAlias("P3","fESDTrack.fTOFr[3]/psum");
214 comp.fTree->SetAlias("P4","fESDTrack.fTOFr[4]/psum");
215 comp.fTree->SetAlias("MaxP","max(max(max(P0,P1),max(P2,P3)),P4)");
216}
217
218
219
51ad6848 220
221void AliESDRecInfo::UpdatePoints(AliESDtrack*track)
222{
223 //
224 //
225 Int_t iclusters[200];
226 Float_t density[160];
227 for (Int_t i=0;i<160;i++) density[i]=-1.;
228 fTPCPoints[0]= 160;
229 fTPCPoints[1] = -1;
230 //
231 if (fTPCPoints[0]<fTPCPoints[1]) return;
232 // Int_t nclusters=track->GetTPCclusters(iclusters);
233
234 Int_t ngood=0;
235 Int_t undeff=0;
236 Int_t nall =0;
237 Int_t range=20;
238 for (Int_t i=0;i<160;i++){
239 Int_t last = i-range;
240 if (nall<range) nall++;
241 if (last>=0){
242 if (iclusters[last]>0&& (iclusters[last]&0x8000)==0) ngood--;
243 if (iclusters[last]==-1) undeff--;
244 }
245 if (iclusters[i]>0&& (iclusters[i]&0x8000)==0) ngood++;
246 if (iclusters[i]==-1) undeff++;
247 if (nall==range &&undeff<range/2) density[i-range/2] = Float_t(ngood)/Float_t(nall-undeff);
248 }
249 Float_t maxdens=0;
250 Int_t indexmax =0;
251 for (Int_t i=0;i<160;i++){
252 if (density[i]<0) continue;
253 if (density[i]>maxdens){
254 maxdens=density[i];
255 indexmax=i;
256 }
257 }
258 //
259 //max dens point
260 fTPCPoints[3] = maxdens;
261 fTPCPoints[1] = indexmax;
262 //
263 // last point
264 for (Int_t i=indexmax;i<160;i++){
265 if (density[i]<0) continue;
266 if (density[i]<maxdens/2.) {
267 break;
268 }
269 fTPCPoints[2]=i;
270 }
271 //
272 // first point
273 for (Int_t i=indexmax;i>0;i--){
274 if (density[i]<0) continue;
275 if (density[i]<maxdens/2.) {
276 break;
277 }
278 fTPCPoints[0]=i;
279 }
280 //
f007cb5f 281 // Density at the last 30 padrows
282 //
283 //
284 nall = 0;
285 ngood = 0;
286 for (Int_t i=159;i>0;i--){
287 if (iclusters[i]==-1) continue; //dead zone
288 nall++;
289 if (iclusters[i]>0) ngood++;
290 if (nall>20) break;
291 }
292 fTPCPoints[4] = Float_t(ngood)/Float_t(nall);
293 //
51ad6848 294 if ((track->GetStatus()&AliESDtrack::kITSrefit)>0) fTPCPoints[0]=-1;
f007cb5f 295 //
296 //
297 // check TRDPoints
298 /*
299 nclusters=track->GetTRDclusters(iclusters);
300 for (Int_t i=nclusters;i>0;i--){
301
302 }
303 */
304
305
51ad6848 306}
307
ae7d73d2 308//
309//
86ad5fcb 310void AliESDRecInfo::Update(AliMCInfo* info,AliTPCParam * /*par*/, Bool_t reconstructed, AliESDEvent *event)
ae7d73d2 311{
312 //
313 //
314 //calculates derived variables
315 //
316 //
51ad6848 317 UpdatePoints(&fESDTrack);
318 fBestTOFmatch=1000;
ae7d73d2 319 AliTrackReference * ref = &(info->fTrackRef);
320 fTPCinR0[0] = info->fTrackRef.X();
321 fTPCinR0[1] = info->fTrackRef.Y();
322 fTPCinR0[2] = info->fTrackRef.Z();
323 fTPCinR0[3] = TMath::Sqrt(fTPCinR0[0]*fTPCinR0[0]+fTPCinR0[1]*fTPCinR0[1]);
324 fTPCinR0[4] = TMath::ATan2(fTPCinR0[1],fTPCinR0[0]);
325 //
326 fTPCinP0[0] = ref->Px();
327 fTPCinP0[1] = ref->Py();
328 fTPCinP0[2] = ref->Pz();
329 fTPCinP0[3] = ref->Pt();
330 fTPCinP0[4] = ref->P();
331 fDeltaP = (ref->P()-info->fParticle.P())/info->fParticle.P();
332 //
333 //
334 if (fTPCinP0[3]>0.0000001){
335 //
336 fTPCAngle0[0] = TMath::ATan2(fTPCinP0[1],fTPCinP0[0]);
337 fTPCAngle0[1] = TMath::ATan(fTPCinP0[2]/fTPCinP0[3]);
338 }
339 //
340 //
341 fITSinP0[0]=info->fParticle.Px();
342 fITSinP0[1]=info->fParticle.Py();
343 fITSinP0[2]=info->fParticle.Pz();
344 fITSinP0[3]=info->fParticle.Pt();
345 //
346 fITSinR0[0]=info->fParticle.Vx();
347 fITSinR0[1]=info->fParticle.Vy();
348 fITSinR0[2]=info->fParticle.Vz();
349 fITSinR0[3] = TMath::Sqrt(fITSinR0[0]*fITSinR0[0]+fITSinR0[1]*fITSinR0[1]);
350 fITSinR0[4] = TMath::ATan2(fITSinR0[1],fITSinR0[0]);
351 //
352 //
353 if (fITSinP0[3]>0.0000001){
354 fITSAngle0[0] = TMath::ATan2(fITSinP0[1],fITSinP0[0]);
355 fITSAngle0[1] = TMath::ATan(fITSinP0[2]/fITSinP0[3]);
356 }
357 //
51ad6848 358 for (Int_t i=0;i<4;i++) fStatus[i] =0;
359 fReconstructed = kFALSE;
360 fTPCOn = kFALSE;
361 fITSOn = kFALSE;
362 fTRDOn = kFALSE;
363 if (reconstructed==kFALSE) return;
364
365 fLabels[0] = info->fLabel;
366 fLabels[1] = info->fPrimPart;
ae7d73d2 367 fReconstructed = kTRUE;
368 fTPCOn = ((fESDTrack.GetStatus()&AliESDtrack::kTPCrefit)>0) ? kTRUE : kFALSE;
369 fITSOn = ((fESDTrack.GetStatus()&AliESDtrack::kITSrefit)>0) ? kTRUE : kFALSE;
370 fTRDOn = ((fESDTrack.GetStatus()&AliESDtrack::kTRDrefit)>0) ? kTRUE : kFALSE;
51ad6848 371 //
372 //
373 if ((fESDTrack.GetStatus()&AliESDtrack::kTPCrefit)>0){
374 fStatus[1] =3;
375 }
376 else{
377 if ((fESDTrack.GetStatus()&AliESDtrack::kTPCout)>0){
378 fStatus[1] =2;
379 }
380 else{
98808dce 381 if ((fESDTrack.GetStatus()&AliESDtrack::kTPCin)>0)
382 fStatus[1]=1;
51ad6848 383 }
384 }
f007cb5f 385 //
386 if ((fESDTrack.GetStatus()&AliESDtrack::kITSout)>0){
387 fStatus[0] =2;
388 }
389 else{
390 if ((fESDTrack.GetStatus()&AliESDtrack::kITSrefit)>0){
391 fStatus[0] =1;
392 }
393 else{
394 fStatus[0]=0;
395 }
396 }
397
51ad6848 398 //
399 //
400 if ((fESDTrack.GetStatus()&AliESDtrack::kTRDrefit)>0){
401 fStatus[2] =2;
402 }
403 else{
404 if ((fESDTrack.GetStatus()&AliESDtrack::kTRDout)>0){
405 fStatus[2] =1;
406 }
407 }
408 if ((fESDTrack.GetStatus()&AliESDtrack::kTRDStop)>0){
409 fStatus[2] =10;
410 }
411
412 //
413 //TOF
414 //
415 if (((fESDTrack.GetStatus()&AliESDtrack::kTOFout)>0)){
416 //
417 // best tof match
418 Double_t times[5];
419 fESDTrack.GetIntegratedTimes(times);
420 for (Int_t i=0;i<5;i++){
421 if ( TMath::Abs(fESDTrack.GetTOFsignal()-times[i]) <TMath::Abs(fBestTOFmatch) ){
422 fBestTOFmatch = fESDTrack.GetTOFsignal()-times[i];
423 }
424 }
425 Int_t toflabel[3];
426 fESDTrack.GetTOFLabel(toflabel);
427 Bool_t toffake=kTRUE;
f007cb5f 428 Bool_t tofdaughter=kFALSE;
51ad6848 429 for (Int_t i=0;i<3;i++){
f007cb5f 430 if (toflabel[i]<0) continue;
51ad6848 431 if (toflabel[i]== TMath::Abs(fESDTrack.GetLabel())) toffake=kFALSE;
f007cb5f 432 if (toflabel[i]==info->fParticle.GetDaughter(0) || (toflabel[i]==info->fParticle.GetDaughter(1))) tofdaughter=kTRUE; // decay product of original particle
51ad6848 433 fStatus[3]=1;
434 }
f007cb5f 435 if (toffake) fStatus[3] =3; //total fake
436 if (tofdaughter) fStatus[3]=2; //fake because of decay
51ad6848 437 }else{
438 fStatus[3]=0;
439 }
440
441
81e97e0d 442 if (fStatus[1]>0 &&info->fNTPCRef>0&&TMath::Abs(fTPCinP0[3])>0.0001){
ae7d73d2 443 //TPC
444 fESDTrack.GetInnerXYZ(fTPCinR1);
445 fTPCinR1[3] = TMath::Sqrt(fTPCinR1[0]*fTPCinR1[0]+fTPCinR1[1]*fTPCinR1[1]);
446 fTPCinR1[4] = TMath::ATan2(fTPCinR1[1],fTPCinR1[0]);
447 fESDTrack.GetInnerPxPyPz(fTPCinP1);
448 fTPCinP1[3] = TMath::Sqrt(fTPCinP1[0]*fTPCinP1[0]+fTPCinP1[1]*fTPCinP1[1]);
449 fTPCinP1[4] = TMath::Sqrt(fTPCinP1[3]*fTPCinP1[3]+fTPCinP1[2]*fTPCinP1[2]);
450 //
451 //
0a1e73ec 452 if (fTPCinP1[3]>0.000000000000001){
ae7d73d2 453 fTPCAngle1[0] = TMath::ATan2(fTPCinP1[1],fTPCinP1[0]);
454 fTPCAngle1[1] = TMath::ATan(fTPCinP1[2]/fTPCinP1[3]);
455 }
e1d4c1b5 456 Double_t cov[15], param[5],x, alpha;
ae7d73d2 457 fESDTrack.GetInnerExternalCovariance(cov);
e1d4c1b5 458 fESDTrack.GetInnerExternalParameters(alpha, x,param);
f007cb5f 459 if (x<50) return ;
ae7d73d2 460 //
461 fTPCDelta[0] = (fTPCinR0[4]-fTPCinR1[4])*fTPCinR1[3]; //delta rfi
462 fTPCPools[0] = fTPCDelta[0]/TMath::Sqrt(cov[0]);
463 fTPCDelta[1] = (fTPCinR0[2]-fTPCinR1[2]); //delta z
464 fTPCPools[1] = fTPCDelta[1]/TMath::Sqrt(cov[2]);
465 fTPCDelta[2] = (fTPCAngle0[0]-fTPCAngle1[0]);
466 fTPCPools[2] = fTPCDelta[2]/TMath::Sqrt(cov[5]);
467 fTPCDelta[3] = (TMath::Tan(fTPCAngle0[1])-TMath::Tan(fTPCAngle1[1]));
468 fTPCPools[3] = fTPCDelta[3]/TMath::Sqrt(cov[9]);
469 fTPCDelta[4] = (fTPCinP0[3]-fTPCinP1[3]);
470 Double_t sign = (param[4]>0)? 1.:-1;
51ad6848 471 fSign =sign;
98808dce 472 fTPCPools[4] = sign*(1./fTPCinP0[3]-1./fTPCinP1[3])/TMath::Sqrt(TMath::Abs(cov[14]));
ae7d73d2 473 }
474 if (fITSOn){
475 // ITS
476 Double_t param[5],x;
f007cb5f 477 fESDTrack.GetExternalParameters(x,param);
478 // fESDTrack.GetConstrainedExternalParameters(x,param);
ae7d73d2 479 Double_t cov[15];
480 fESDTrack.GetExternalCovariance(cov);
f007cb5f 481 //fESDTrack.GetConstrainedExternalCovariance(cov);
ae7d73d2 482 if (TMath::Abs(param[4])<0.0000000001) return;
483
484 fESDTrack.GetXYZ(fITSinR1);
485 fESDTrack.GetPxPyPz(fITSinP1);
486 fITSinP1[3] = TMath::Sqrt(fITSinP1[0]*fITSinP1[0]+fITSinP1[1]*fITSinP1[1]);
487 //
488 fITSinR1[3] = TMath::Sqrt(fITSinR1[0]*fITSinR1[0]+fITSinR1[1]*fITSinR1[1]);
489 fITSinR1[4] = TMath::ATan2(fITSinR1[1],fITSinR1[0]);
490 //
491 //
492 if (fITSinP1[3]>0.0000001){
493 fITSAngle1[0] = TMath::ATan2(fITSinP1[1],fITSinP1[0]);
494 fITSAngle1[1] = TMath::ATan(fITSinP1[2]/fITSinP1[3]);
495 }
496 //
497 //
498 fITSDelta[0] = (fITSinR0[4]-fITSinR1[4])*fITSinR1[3]; //delta rfi
499 fITSPools[0] = fITSDelta[0]/TMath::Sqrt(cov[0]);
500 fITSDelta[1] = (fITSinR0[2]-fITSinR1[2]); //delta z
501 fITSPools[1] = fITSDelta[1]/TMath::Sqrt(cov[2]);
502 fITSDelta[2] = (fITSAngle0[0]-fITSAngle1[0]);
503 fITSPools[2] = fITSDelta[2]/TMath::Sqrt(cov[5]);
504 fITSDelta[3] = (TMath::Tan(fITSAngle0[1])-TMath::Tan(fITSAngle1[1]));
505 fITSPools[3] = fITSDelta[3]/TMath::Sqrt(cov[9]);
506 fITSDelta[4] = (fITSinP0[3]-fITSinP1[3]);
507 Double_t sign = (param[4]>0) ? 1:-1;
51ad6848 508 fSign = sign;
ae7d73d2 509 fITSPools[4] = sign*(1./fITSinP0[3]-1./fITSinP1[3])/TMath::Sqrt(cov[14]);
510 }
511
512}
513
514
515void AliESDRecV0Info::Update(Float_t vertex[3])
51ad6848 516{
517
518 if ( (fT1.fStatus[1]>0)&& (fT2.fStatus[1]>0)){
519 Float_t distance1,distance2;
520 Double_t xx[3],pp[3];
521 //
522 Double_t xd[3],pd[3],signd;
523 Double_t xm[3],pm[3],signm;
f007cb5f 524 //
525 //
526 if (fT1.fITSOn&&fT2.fITSOn){
527 for (Int_t i=0;i<3;i++){
528 xd[i] = fT2.fITSinR1[i];
529 pd[i] = fT2.fITSinP1[i];
530 xm[i] = fT1.fITSinR1[i];
531 pm[i] = fT1.fITSinP1[i];
532 }
533 }
534 else{
535
536 for (Int_t i=0;i<3;i++){
537 xd[i] = fT2.fTPCinR1[i];
538 pd[i] = fT2.fTPCinP1[i];
539 xm[i] = fT1.fTPCinR1[i];
540 pm[i] = fT1.fTPCinP1[i];
541 }
51ad6848 542 }
f007cb5f 543 //
544 //
51ad6848 545 signd = fT2.fSign<0 ? -1:1;
546 signm = fT1.fSign<0 ? -1:1;
547
548 AliHelix dhelix1(xd,pd,signd);
549 dhelix1.GetMomentum(0,pp,0);
550 dhelix1.Evaluate(0,xx);
551 //
552 // Double_t x2[3],p2[3];
553 //
554 AliHelix mhelix(xm,pm,signm);
555 //
556 //find intersection linear
557 //
558 Double_t phase[2][2],radius[2];
559 Int_t points = dhelix1.GetRPHIintersections(mhelix, phase, radius,200);
560 Double_t delta1=10000,delta2=10000;
561
562 if (points==1){
f007cb5f 563 fRs[0] = TMath::Sqrt(radius[0]);
564 fRs[1] = TMath::Sqrt(radius[0]);
51ad6848 565 }
566 if (points==2){
f007cb5f 567 fRs[0] =TMath::Min(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
568 fRs[1] =TMath::Max(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
51ad6848 569 }
570
571 if (points>0){
572 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
573 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
574 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
575 }
576 if (points==2){
577 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
578 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
579 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
580 }
581 if (points==1){
f007cb5f 582 fRs[0] = TMath::Sqrt(radius[0]);
583 fRs[1] = TMath::Sqrt(radius[0]);
51ad6848 584 fDistMinR = delta1;
585 }
586 if (points==2){
587 if (radius[0]<radius[1]){
f007cb5f 588 fRs[0] = TMath::Sqrt(radius[0]);
589 fRs[1] = TMath::Sqrt(radius[1]);
51ad6848 590 fDistMinR = delta1;
591 }
592 else{
f007cb5f 593 fRs[0] = TMath::Sqrt(radius[1]);
594 fRs[1] = TMath::Sqrt(radius[0]);
51ad6848 595 fDistMinR = delta2;
596 }
597 }
598 //
599 //
600 distance1 = TMath::Min(delta1,delta2);
601 //
602 //find intersection parabolic
603 //
604 points = dhelix1.GetRPHIintersections(mhelix, phase, radius);
605 delta1=10000,delta2=10000;
606
607 if (points>0){
608 dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
609 }
610 if (points==2){
611 dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
612 }
613
614 distance2 = TMath::Min(delta1,delta2);
f007cb5f 615 if (distance2>100) fDist2 =100;
616 return;
51ad6848 617 if (delta1<delta2){
618 //get V0 info
619 dhelix1.Evaluate(phase[0][0],fXr);
620 dhelix1.GetMomentum(phase[0][0],fPdr);
621 mhelix.GetMomentum(phase[0][1],fPm);
622 dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],fAngle);
623 fRr = TMath::Sqrt(radius[0]);
624 }
625 else{
626 dhelix1.Evaluate(phase[1][0],fXr);
627 dhelix1.GetMomentum(phase[1][0], fPdr);
628 mhelix.GetMomentum(phase[1][1], fPm);
629 dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],fAngle);
630 fRr = TMath::Sqrt(radius[1]);
631 }
632 fDist1 = TMath::Sqrt(distance1);
633 fDist2 = TMath::Sqrt(distance2);
634
635 if (fDist2<10.5){
636 Double_t x,alpha,param[5],cov[15];
637 //
c0b978f0 638 fT1.fESDTrack.GetInnerExternalParameters(alpha,x,param);
51ad6848 639 fT1.fESDTrack.GetInnerExternalCovariance(cov);
51ad6848 640 AliExternalTrackParam paramm(x,alpha,param,cov);
641 //
c0b978f0 642 fT2.fESDTrack.GetInnerExternalParameters(alpha,x,param);
51ad6848 643 fT2.fESDTrack.GetInnerExternalCovariance(cov);
51ad6848 644 AliExternalTrackParam paramd(x,alpha,param,cov);
645 }
646 //
647 //
648
649 Float_t v[3] = {fXr[0]-vertex[0],fXr[1]-vertex[1],fXr[2]-vertex[2]};
650 Float_t p[3] = {fPdr[0]+fPm[0], fPdr[1]+fPm[1],fPdr[2]+fPm[2]};
651
652 Float_t vnorm2 = v[0]*v[0]+v[1]*v[1];
653 Float_t vnorm3 = TMath::Sqrt(v[2]*v[2]+vnorm2);
654 vnorm2 = TMath::Sqrt(vnorm2);
655 Float_t pnorm2 = p[0]*p[0]+p[1]*p[1];
656 Float_t pnorm3 = TMath::Sqrt(p[2]*p[2]+pnorm2);
657 pnorm2 = TMath::Sqrt(pnorm2);
658
659 fPointAngleFi = (v[0]*p[0]+v[1]*p[1])/(vnorm2*pnorm2);
660 fPointAngleTh = (v[2]*p[2]+vnorm2*pnorm2)/(vnorm3*pnorm3);
661 fPointAngle = (v[0]*p[0]+v[1]*p[1]+v[2]*p[2])/(vnorm3*pnorm3);
662 }
663}
664
665////
666void AliESDRecKinkInfo::Update()
ae7d73d2 667{
51ad6848 668
669 if ( (fT1.fTPCOn)&& (fT2.fTPCOn)){
670 //
671 // IF BOTH RECONSTRUCTED
672 Float_t distance1,distance2;
673 Double_t xx[3],pp[3];
674 //
675 Double_t xd[3],pd[3],signd;
676 Double_t xm[3],pm[3],signm;
677 for (Int_t i=0;i<3;i++){
678 xd[i] = fT2.fTPCinR1[i];
679 pd[i] = fT2.fTPCinP1[i];
680 xm[i] = fT1.fTPCinR1[i];
681 pm[i] = fT1.fTPCinP1[i];
682 }
683 signd = fT2.fSign<0 ? -1:1;
684 signm = fT1.fSign<0 ? -1:1;
685
686 AliHelix dhelix1(xd,pd,signd);
687 dhelix1.GetMomentum(0,pp,0);
688 dhelix1.Evaluate(0,xx);
689 //
690 // Double_t x2[3],p2[3];
691 //
692 AliHelix mhelix(xm,pm,signm);
693 //
694 //find intersection linear
695 //
696 Double_t phase[2][2],radius[2];
697 Int_t points = dhelix1.GetRPHIintersections(mhelix, phase, radius,200);
698 Double_t delta1=10000,delta2=10000;
699
700 if (points==1){
701 fMinR = TMath::Sqrt(radius[0]);
702 }
703 if (points==2){
704 fMinR =TMath::Min(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
705 }
706
707 if (points>0){
708 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
709 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
710 dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
711 }
712 if (points==2){
713 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
714 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
715 dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
716 }
717 if (points==1){
718 fMinR = TMath::Sqrt(radius[0]);
719 fDistMinR = delta1;
720 }
721 if (points==2){
722 if (radius[0]<radius[1]){
723 fMinR = TMath::Sqrt(radius[0]);
724 fDistMinR = delta1;
725 }
726 else{
727 fMinR = TMath::Sqrt(radius[1]);
728 fDistMinR = delta2;
729 }
730 }
731 //
732 //
733 distance1 = TMath::Min(delta1,delta2);
734 //
735 //find intersection parabolic
736 //
737 points = dhelix1.GetRPHIintersections(mhelix, phase, radius);
738 delta1=10000,delta2=10000;
739
740 if (points>0){
741 dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
742 }
743 if (points==2){
744 dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
745 }
746
747 distance2 = TMath::Min(delta1,delta2);
748 if (delta1<delta2){
749 //get V0 info
750 dhelix1.Evaluate(phase[0][0],fXr);
751 dhelix1.GetMomentum(phase[0][0],fPdr);
752 mhelix.GetMomentum(phase[0][1],fPm);
753 dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],fAngle);
754 fRr = TMath::Sqrt(radius[0]);
755 }
756 else{
757 dhelix1.Evaluate(phase[1][0],fXr);
758 dhelix1.GetMomentum(phase[1][0], fPdr);
759 mhelix.GetMomentum(phase[1][1], fPm);
760 dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],fAngle);
761 fRr = TMath::Sqrt(radius[1]);
762 }
763 fDist1 = TMath::Sqrt(distance1);
764 fDist2 = TMath::Sqrt(distance2);
765
766 if (fDist2<10.5){
767 Double_t x,alpha,param[5],cov[15];
768 //
c0b978f0 769 fT1.fESDTrack.GetInnerExternalParameters(alpha,x,param);
51ad6848 770 fT1.fESDTrack.GetInnerExternalCovariance(cov);
51ad6848 771 AliExternalTrackParam paramm(x,alpha,param,cov);
772 //
c0b978f0 773 fT2.fESDTrack.GetInnerExternalParameters(alpha,x,param);
51ad6848 774 fT2.fESDTrack.GetInnerExternalCovariance(cov);
51ad6848 775 AliExternalTrackParam paramd(x,alpha,param,cov);
776 /*
777 AliESDkink kink;
778 kink.Update(&paramm,&paramd);
779 // kink.Dump();
780 Double_t diff = kink.fRr-fRr;
781 Double_t diff2 = kink.fDist2-fDist2;
782 printf("Diff\t%f\t%f\n",diff,diff2);
783 */
784 }
785
786 //
787 //
788 }
ae7d73d2 789
790}
791
792
793////////////////////////////////////////////////////////////////////////
794ESDCmpTr::ESDCmpTr()
795{
796 Reset();
797}
798
799////////////////////////////////////////////////////////////////////////
800ESDCmpTr::ESDCmpTr(const char* fnGenTracks,
801 const char* fnCmp,
802 const char* fnGalice, Int_t direction,
803 Int_t nEvents, Int_t firstEvent)
804{
805 Reset();
806 // fFnGenTracks = fnGenTracks;
807 // fFnCmp = fnCmp;
808 sprintf(fFnGenTracks,"%s",fnGenTracks);
809 sprintf(fFnCmp,"%s",fnCmp);
810
811 fFirstEventNr = firstEvent;
812 fEventNr = firstEvent;
813 fNEvents = nEvents;
814 fDirection = direction;
815 //
816 fLoader = AliRunLoader::Open(fnGalice);
817 if (gAlice){
818 //delete gAlice->GetRunLoader();
819 delete gAlice;
820 gAlice = 0x0;
821 }
822 if (fLoader->LoadgAlice()){
823 cerr<<"Error occured while l"<<endl;
824 }
825 Int_t nall = fLoader->GetNumberOfEvents();
826 if (nEvents==0) {
827 nEvents =nall;
828 fNEvents=nall;
829 fFirstEventNr=0;
830 }
831
832 if (nall<=0){
833 cerr<<"no events available"<<endl;
834 fEventNr = 0;
835 return;
836 }
837 if (firstEvent+nEvents>nall) {
838 fEventNr = nall-firstEvent;
839 cerr<<"restricted number of events availaible"<<endl;
840 }
841 AliMagF * magf = gAlice->Field();
e1eaa672 842 AliTracker::SetFieldMap(magf,0);
ae7d73d2 843
844}
845
846
847////////////////////////////////////////////////////////////////////////
848ESDCmpTr::~ESDCmpTr()
849{
850 if (fLoader) {
851 delete fLoader;
852 }
853}
854
855//////////////////////////////////////////////////////////////
856Int_t ESDCmpTr::SetIO()
857{
858 //
859 //
860 CreateTreeCmp();
861 if (!fTreeCmp) return 1;
862 fParamTPC = GetTPCParam();
863 //
864 if (!ConnectGenTree()) {
865 cerr<<"Cannot connect tree with generated tracks"<<endl;
866 return 1;
867 }
868 return 0;
869}
870
871//////////////////////////////////////////////////////////////
872
873Int_t ESDCmpTr::SetIO(Int_t eventNr)
874{
875 //
876 //
877 // SET INPUT
878 //
879 TFile f("AliESDs.root");
880 //
881
882 TTree* tree = (TTree*) f.Get("esdTree");
86ad5fcb 883 if(fEvent)delete fEvent;
884 fEvent = new AliESDEvent();
885 fEvent->ReadFromTree(tree);
886 tree->GetEntry(eventNr);
887
ae7d73d2 888
889
890 /*
891 Char_t ename[100];
892 sprintf(ename,"%d",eventNr);
893 fEvent = (AliESD*)f.Get(ename);
894 if (!fEvent){
895 sprintf(ename,"ESD%d",eventNr);
896 fEvent = (AliESD*)f.Get(ename);
897 }
898
899 TTree* tree = (TTree*) f.Get("esdTree");
900 if (!tree) {
901 Error("CheckESD", "no ESD tree found");
902 return kFALSE;
903 }
904 tree->SetBranchAddress("ESD", &fEvent);
905 tree->GetEntry(eventNr);
906 */
907
908 if (!fEvent) return 1;
909
910 return 0;
911}
912
913
914
915////////////////////////////////////////////////////////////////////////
916void ESDCmpTr::Reset()
917{
918 fEventNr = 0;
919 fNEvents = 0;
920 fTreeCmp = 0;
51ad6848 921 fTreeCmpKinks =0;
922 fTreeCmpV0 =0;
ae7d73d2 923 // fFnCmp = "cmpTracks.root";
924 fFileGenTracks = 0;
925 fDebug = 0;
926 //
927 fParamTPC = 0;
928 fEvent =0;
929}
930
931////////////////////////////////////////////////////////////////////////
932Int_t ESDCmpTr::Exec(Int_t nEvents, Int_t firstEventNr)
933{
934 fNEvents = nEvents;
935 fFirstEventNr = firstEventNr;
936 return Exec();
937}
938
939////////////////////////////////////////////////////////////////////////
940Int_t ESDCmpTr::Exec()
941{
942 TStopwatch timer;
943 timer.Start();
944
945 if (SetIO()==1)
946 return 1;
947
948 fNextTreeGenEntryToRead = 0;
51ad6848 949 fNextKinkToRead = 0;
81e97e0d 950 fNextV0ToRead =0;
ae7d73d2 951 cerr<<"fFirstEventNr, fNEvents: "<<fFirstEventNr<<" "<<fNEvents<<endl;
952 for (Int_t eventNr = fFirstEventNr; eventNr < fFirstEventNr+fNEvents;
953 eventNr++) {
954 fEventNr = eventNr;
955 SetIO(fEventNr);
956 fNParticles = gAlice->GetEvent(fEventNr);
957
f007cb5f 958 fIndexRecTracks = new Short_t[fNParticles*20]; //write at maximum 4 tracks corresponding to particle
959 fIndexRecKinks = new Short_t[fNParticles*20]; //write at maximum 20 tracks corresponding to particle
960 fIndexRecV0 = new Short_t[fNParticles*20]; //write at maximum 20 tracks corresponding to particle
51ad6848 961
f007cb5f 962 fFakeRecTracks = new Short_t[fNParticles];
963 fMultiRecTracks = new Short_t[fNParticles];
964 fMultiRecKinks = new Short_t[fNParticles];
965 fMultiRecV0 = new Short_t[fNParticles];
ae7d73d2 966
51ad6848 967 for (Int_t i = 0; i<fNParticles; i++) {
968 for (Int_t j=0;j<20;j++){
969 fIndexRecTracks[20*i+j] = -1;
970 fIndexRecKinks[20*i+j] = -1;
971 fIndexRecV0[20*i+j] = -1;
972 }
ae7d73d2 973 fFakeRecTracks[i] = 0;
974 fMultiRecTracks[i] = 0;
51ad6848 975 fMultiRecKinks[i] = 0;
976 fMultiRecV0[i] = 0;
ae7d73d2 977 }
978
979 cout<<"Start to process event "<<fEventNr<<endl;
980 cout<<"\tfNParticles = "<<fNParticles<<endl;
981 if (fDebug>2) cout<<"\tStart loop over TreeT"<<endl;
982 if (TreeTLoop()>0) return 1;
983
984 if (fDebug>2) cout<<"\tStart loop over tree genTracks"<<endl;
985 if (TreeGenLoop(eventNr)>0) return 1;
51ad6848 986 BuildKinkInfo0(eventNr);
987 BuildV0Info(eventNr);
988 fRecArray->Delete();
989
ae7d73d2 990 if (fDebug>2) cout<<"\tEnd loop over tree genTracks"<<endl;
991
992 delete [] fIndexRecTracks;
51ad6848 993 delete [] fIndexRecKinks;
994 delete [] fIndexRecV0;
ae7d73d2 995 delete [] fFakeRecTracks;
996 delete [] fMultiRecTracks;
51ad6848 997 delete [] fMultiRecKinks;
998 delete [] fMultiRecV0;
ae7d73d2 999 }
1000
1001 CloseOutputFile();
1002
1003 cerr<<"Exec finished"<<endl;
1004 timer.Stop();
1005 timer.Print();
1006 return 0;
1007
1008}
1009////////////////////////////////////////////////////////////////////////
1010Bool_t ESDCmpTr::ConnectGenTree()
1011{
1012//
1013// connect all branches from the genTracksTree
1014// use the same variables as for the new cmp tree, it may work
1015//
1016 fFileGenTracks = TFile::Open(fFnGenTracks,"READ");
1017 if (!fFileGenTracks) {
1018 cerr<<"Error in ConnectGenTree: cannot open file "<<fFnGenTracks<<endl;
1019 return kFALSE;
1020 }
1021 fTreeGenTracks = (TTree*)fFileGenTracks->Get("genTracksTree");
1022 if (!fTreeGenTracks) {
1023 cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
1024 <<fFnGenTracks<<endl;
1025 return kFALSE;
1026 }
1027 //
1028 fMCInfo = new AliMCInfo;
1029 fTreeGenTracks->SetBranchAddress("MC",&fMCInfo);
1030 //
51ad6848 1031 //
1032 fTreeGenKinks = (TTree*)fFileGenTracks->Get("genKinksTree");
1033 if (!fTreeGenKinks) {
1034 cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
1035 <<fFnGenTracks<<endl;
1036 //return kFALSE;
1037 }
1038 else{
1039 fGenKinkInfo = new AliGenKinkInfo;
1040 fTreeGenKinks->SetBranchAddress("MC",&fGenKinkInfo);
1041 }
1042
1043 fTreeGenV0 = (TTree*)fFileGenTracks->Get("genV0Tree");
1044 if (!fTreeGenV0) {
1045 cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
1046 <<fFnGenTracks<<endl;
1047 //return kFALSE;
1048 }
1049 else{
1050 fGenV0Info = new AliGenV0Info;
1051 fTreeGenV0->SetBranchAddress("MC",&fGenV0Info);
1052 }
1053 //
ae7d73d2 1054 if (fDebug > 1) {
1055 cout<<"Number of gen. tracks with TR: "<<fTreeGenTracks->GetEntries()<<endl;
1056 }
1057 return kTRUE;
1058}
1059
1060
1061////////////////////////////////////////////////////////////////////////
1062void ESDCmpTr::CreateTreeCmp()
1063{
1064 fFileCmp = TFile::Open(fFnCmp,"RECREATE");
1065 if (!fFileCmp) {
1066 cerr<<"Error in CreateTreeCmp: cannot open file "<<fFnCmp<<endl;
1067 return;
1068 }
ae7d73d2 1069 //
51ad6848 1070 //
1071 fTreeCmp = new TTree("ESDcmpTracks","ESDcmpTracks");
ae7d73d2 1072 fMCInfo = new AliMCInfo;
1073 fRecInfo = new AliESDRecInfo;
ae7d73d2 1074 AliESDtrack * esdTrack = new AliESDtrack;
51ad6848 1075 // AliITStrackMI * itsTrack = new AliITStrackMI;
e1eaa672 1076 fTreeCmp->Branch("MC","AliMCInfo",&fMCInfo,256000);
1077 fTreeCmp->Branch("RC","AliESDRecInfo",&fRecInfo,256000);
f007cb5f 1078 // fTreeCmp->Branch("fESDTrack","AliESDtrack",&esdTrack);
51ad6848 1079 // fTreeCmp->Branch("ITS","AliITStrackMI",&itsTrack);
ae7d73d2 1080 delete esdTrack;
1081 //
51ad6848 1082 //
1083 fTreeCmpKinks = new TTree("ESDcmpKinks","ESDcmpKinks");
1084 fGenKinkInfo = new AliGenKinkInfo;
1085 fRecKinkInfo = new AliESDRecKinkInfo;
e1eaa672 1086 fTreeCmpKinks->Branch("MC.","AliGenKinkInfo",&fGenKinkInfo,256000);
1087 fTreeCmpKinks->Branch("RC.","AliESDRecKinkInfo",&fRecKinkInfo,256000);
51ad6848 1088 //
1089 //
1090 fTreeCmpV0 = new TTree("ESDcmpV0","ESDcmpV0");
1091 fGenV0Info = new AliGenV0Info;
1092 fRecV0Info = new AliESDRecV0Info;
e1eaa672 1093 fTreeCmpV0->Branch("MC.","AliGenV0Info", &fGenV0Info,256000);
1094 fTreeCmpV0->Branch("RC.","AliESDRecV0Info",&fRecV0Info,256000);
51ad6848 1095 //
ae7d73d2 1096 fTreeCmp->AutoSave();
51ad6848 1097 fTreeCmpKinks->AutoSave();
1098 fTreeCmpV0->AutoSave();
ae7d73d2 1099}
1100////////////////////////////////////////////////////////////////////////
1101void ESDCmpTr::CloseOutputFile()
1102{
1103 if (!fFileCmp) {
1104 cerr<<"File "<<fFnCmp<<" not found as an open file."<<endl;
1105 return;
1106 }
1107 fFileCmp->cd();
1108 fTreeCmp->Write();
1109 delete fTreeCmp;
1110
1111 fFileCmp->Close();
1112 delete fFileCmp;
1113 return;
1114}
1115////////////////////////////////////////////////////////////////////////
1116
1117TVector3 ESDCmpTr::TR2Local(AliTrackReference *trackRef,
1118 AliTPCParam *paramTPC) {
1119
1120 Float_t x[3] = { trackRef->X(),trackRef->Y(),trackRef->Z()};
1121 Int_t index[4];
1122 paramTPC->Transform0to1(x,index);
9502e15e 1123 paramTPC->Transform1to2Ideal(x,index);
ae7d73d2 1124 return TVector3(x);
1125}
1126////////////////////////////////////////////////////////////////////////
1127
1128Int_t ESDCmpTr::TreeTLoop()
1129{
1130 //
1131 // loop over all ESD reconstructed tracks and store info in memory
1132 //
51ad6848 1133 // + loop over all reconstructed kinks
ae7d73d2 1134 TStopwatch timer;
1135 timer.Start();
1136 //
1137 Int_t nEntries = (Int_t)fEvent->GetNumberOfTracks();
51ad6848 1138 Int_t nKinks = (Int_t) fEvent->GetNumberOfKinks();
d6a49f20 1139 Int_t nV0MIs = (Int_t) fEvent->GetNumberOfV0s();
f007cb5f 1140 fSignedKinks = new Short_t[nKinks];
1141 fSignedV0 = new Short_t[nV0MIs];
ae7d73d2 1142 //
51ad6848 1143 // load kinks to the memory
1144 for (Int_t i=0; i<nKinks;i++){
1145 AliESDkink * kink =fEvent->GetKink(i);
1146 fSignedKinks[i]=0;
1147 if (kink->fStatus<0) continue;
1148 }
ae7d73d2 1149 //
51ad6848 1150 for (Int_t i=0; i<nV0MIs;i++){
d6a49f20 1151 AliESDv0 * v0MI =fEvent->GetV0(i);
51ad6848 1152 fSignedV0[i]=0;
1153 if (v0MI->fStatus<0) continue;
ae7d73d2 1154 }
51ad6848 1155
ae7d73d2 1156 //
1157 //
1158 AliESDtrack * track=0;
1159 for (Int_t iEntry=0; iEntry<nEntries;iEntry++){
51ad6848 1160 //track = (AliESDtrack*)fTracks->UncheckedAt(iEntry);
1161 track = (AliESDtrack*)fEvent->GetTrack(iEntry);
ae7d73d2 1162 //
1163 Int_t label = track->GetLabel();
1164 Int_t absLabel = abs(label);
1165 if (absLabel < fNParticles) {
1166 // fIndexRecTracks[absLabel] = iEntry;
1167 if (label < 0) fFakeRecTracks[absLabel]++;
1168 if (fMultiRecTracks[absLabel]>0){
51ad6848 1169 if (fMultiRecTracks[absLabel]<20)
1170 fIndexRecTracks[absLabel*20+fMultiRecTracks[absLabel]] = iEntry;
ae7d73d2 1171 }
1172 else
51ad6848 1173 fIndexRecTracks[absLabel*20] = iEntry;
ae7d73d2 1174 fMultiRecTracks[absLabel]++;
1175 }
51ad6848 1176 }
1177 // sort reconstructed kinks
1178 //
1179 AliESDkink * kink=0;
1180 for (Int_t iEntry=0; iEntry<nKinks;iEntry++){
1181 kink = (AliESDkink*)fEvent->GetKink(iEntry);
1182 if (!kink) continue;
1183 //
1184 Int_t label0 = TMath::Abs(kink->fLab[0]);
1185 Int_t label1 = TMath::Abs(kink->fLab[1]);
51ad6848 1186 Int_t absLabel = TMath::Min(label0,label1);
1187 if (absLabel < fNParticles) {
1188 if (fMultiRecKinks[absLabel]>0){
1189 if (fMultiRecKinks[absLabel]<20)
1190 fIndexRecKinks[absLabel*20+fMultiRecKinks[absLabel]] = iEntry;
1191 }
1192 else
1193 fIndexRecKinks[absLabel*20] = iEntry;
1194 fMultiRecKinks[absLabel]++;
1195 }
ae7d73d2 1196 }
51ad6848 1197 // --sort reconstructed V0
1198 //
d6a49f20 1199 AliESDv0 * v0MI=0;
51ad6848 1200 for (Int_t iEntry=0; iEntry<nV0MIs;iEntry++){
d6a49f20 1201 v0MI = fEvent->GetV0(iEntry);
51ad6848 1202 if (!v0MI) continue;
1203 //
f007cb5f 1204 // Int_t label0 = TMath::Abs(v0MI->fLab[0]);
1205 //Int_t label1 = TMath::Abs(v0MI->fLab[1]);
1206 //
1207 for (Int_t i=0;i<2;i++){
1208 // Int_t absLabel = TMath::Min(label0,label1);
1209 Int_t absLabel = TMath::Abs(v0MI->fLab[i]);
1210 if (absLabel < fNParticles) {
1211 if (fMultiRecV0[absLabel]>0){
1212 if (fMultiRecV0[absLabel]<20)
1213 fIndexRecV0[absLabel*20+fMultiRecV0[absLabel]] = iEntry;
1214 }
1215 else
1216 fIndexRecV0[absLabel*20] = iEntry;
1217 fMultiRecV0[absLabel]++;
51ad6848 1218 }
51ad6848 1219 }
1220 }
1221
1222
ae7d73d2 1223 printf("Time spended in TreeTLoop\n");
1224 timer.Print();
1225
1226 if (fDebug > 2) cerr<<"end of TreeTLoop"<<endl;
1227 return 0;
1228}
1229
1230////////////////////////////////////////////////////////////////////////
1231Int_t ESDCmpTr::TreeGenLoop(Int_t eventNr)
1232{
1233//
1234// loop over all entries for a given event, find corresponding
1235// rec. track and store in the fTreeCmp
1236//
1237 TStopwatch timer;
1238 timer.Start();
1239 Int_t entry = fNextTreeGenEntryToRead;
1240 Double_t nParticlesTR = fTreeGenTracks->GetEntriesFast();
1241 cerr<<"fNParticles, nParticlesTR, fNextTreeGenEntryToRead: "<<fNParticles<<" "
1242 <<nParticlesTR<<" "<<fNextTreeGenEntryToRead<<endl;
1243 TBranch * branch = fTreeCmp->GetBranch("RC");
1244 branch->SetAddress(&fRecInfo); // set all pointers
51ad6848 1245 fRecArray = new TObjArray(fNParticles);
98808dce 1246 AliESDtrack dummytrack; //
ae7d73d2 1247
1248 while (entry < nParticlesTR) {
1249 fTreeGenTracks->GetEntry(entry);
1250 entry++;
1251 if (eventNr < fMCInfo->fEventNr) continue;
1252 if (eventNr > fMCInfo->fEventNr) continue;;
1253 //
1254 fNextTreeGenEntryToRead = entry-1;
1255 if (fDebug > 2 && fMCInfo->fLabel < 10) {
1256 cerr<<"Fill track with a label "<<fMCInfo->fLabel<<endl;
1257 }
51ad6848 1258 // if (fMCInfo->fNTPCRef<1) continue; // not TPCref
ae7d73d2 1259 //
1260 fRecInfo->Reset();
1261 AliESDtrack * track=0;
1262 fRecInfo->fReconstructed =0;
1263 TVector3 local = TR2Local(&(fMCInfo->fTrackRef),fParamTPC);
1264 local.GetXYZ(fRecInfo->fTRLocalCoord);
1265 //
51ad6848 1266 if (fIndexRecTracks[fMCInfo->fLabel*20] >= 0) {
1267 //track= (AliESDtrack*)fTracks->UncheckedAt(fIndexRecTracks[fMCInfo->fLabel*4]);
1268 track= (AliESDtrack*)fEvent->GetTrack(fIndexRecTracks[fMCInfo->fLabel*20]);
ae7d73d2 1269 //
1270 //
1271 // find nearest track if multifound
51ad6848 1272 //Int_t sign = Int_t(track->GetSign()*fMCInfo->fCharge);
1273 //
1274 Int_t status = 0;
1275 if ((track->GetStatus()&AliESDtrack::kITSrefit)>0) status++;
1276 if ((track->GetStatus()&AliESDtrack::kTPCrefit)>0) status++;
1277 if ((track->GetStatus()&AliESDtrack::kTRDrefit)>0) status++;
1278
1279 //
1280 if (fIndexRecTracks[fMCInfo->fLabel*20+1]>0){
1281 //
1282 Double_t p[3];
1283 track->GetInnerPxPyPz(p);
1284 Float_t maxp = p[0]*p[0]+p[1]*p[1]+p[2]*p[2];
1285 //
1286 for (Int_t i=1;i<20;i++){
1287 if (fIndexRecTracks[fMCInfo->fLabel*20+i]>=0){
1288 AliESDtrack * track2 = (AliESDtrack*)fEvent->GetTrack(fIndexRecTracks[fMCInfo->fLabel*20+i]);
1289 if (!track2) continue;
1290 //Int_t sign2 = track->GetSign()*fMCInfo->fCharge; //
1291 //if (sign2<0) continue;
1292 track2->GetInnerPxPyPz(p);
1293 Float_t mom = p[0]*p[0]+p[1]*p[1]+p[2]*p[2];
1294 /*
1295 if (sign<0){
1296 sign = sign2;
1297 track = track2;
1298 maxp = mom;
1299 continue;
1300 }
1301 */
1302 //
1303 Int_t status2 = 0;
1304 if ((track2->GetStatus()&AliESDtrack::kITSrefit)>0) status2++;
1305 if ((track2->GetStatus()&AliESDtrack::kTPCrefit)>0) status2++;
1306 if ((track2->GetStatus()&AliESDtrack::kTRDrefit)>0) status2++;
1307 if (status2<status) continue;
1308 //
1309 if (mom<maxp) continue;
1310 maxp = mom;
1311 track = track2;
1312 //
ae7d73d2 1313 }
1314 }
1315 }
1316 //
98808dce 1317 if (track) {
0a1e73ec 1318 new (&(fRecInfo->fESDTrack)) AliESDtrack(*track);
98808dce 1319 }else{
1320 fRecInfo->fESDTrack = dummytrack;
1321 }
1322
ae7d73d2 1323 if (track->GetITStrack())
51ad6848 1324 fRecInfo->fITStrack = *((AliITStrackMI*)track->GetITStrack());
81e97e0d 1325 else{
1326 fRecInfo->fITStrack = *track;
1327 }
ae7d73d2 1328 if (track->GetTRDtrack()){
1329 fRecInfo->fTRDtrack = *((AliTRDtrack*)track->GetTRDtrack());
1330 }
1331 else{
1332 fRecInfo->fTRDtrack.SetdEdx(-1);
1333 }
1334 fRecInfo->fReconstructed = 1;
1335 fRecInfo->fFake = fFakeRecTracks[fMCInfo->fLabel];
1336 fRecInfo->fMultiple = fMultiRecTracks[fMCInfo->fLabel];
1337 //
98808dce 1338 fRecInfo->Update(fMCInfo,fParamTPC,kTRUE, fEvent);
ae7d73d2 1339 }
1340 else{
98808dce 1341 fRecInfo->fESDTrack = dummytrack;
1342 fRecInfo->Update(fMCInfo,fParamTPC,kFALSE, fEvent);
ae7d73d2 1343 }
51ad6848 1344 fRecArray->AddAt(new AliESDRecInfo(*fRecInfo),fMCInfo->fLabel);
ae7d73d2 1345 fTreeCmp->Fill();
1346 }
1347 fTreeCmp->AutoSave();
51ad6848 1348 //fTracks->Delete();
ae7d73d2 1349 printf("Time spended in TreeGenLoop\n");
1350 timer.Print();
1351 if (fDebug > 2) cerr<<"end of TreeGenLoop"<<endl;
1352
1353 return 0;
1354}
51ad6848 1355
1356
1357
1358////////////////////////////////////////////////////////////////////////
1359////////////////////////////////////////////////////////////////////////
1360////////////////////////////////////////////////////////////////////////
1361Int_t ESDCmpTr::BuildKinkInfo0(Int_t eventNr)
1362{
1363//
1364// loop over all entries for a given event, find corresponding
1365// rec. track and store in the fTreeCmp
1366//
1367 TStopwatch timer;
1368 timer.Start();
1369 Int_t entry = fNextKinkToRead;
1370 Double_t nParticlesTR = fTreeGenKinks->GetEntriesFast();
1371 cerr<<"fNParticles, nParticlesTR, fNextKinkToRead: "<<fNParticles<<" "
1372 <<nParticlesTR<<" "<<fNextKinkToRead<<endl;
1373 //
1374 TBranch * branch = fTreeCmpKinks->GetBranch("RC.");
1375 branch->SetAddress(&fRecKinkInfo); // set all pointers
1376
1377 //
1378 while (entry < nParticlesTR) {
1379 fTreeGenKinks->GetEntry(entry);
1380 entry++;
1381 if (eventNr < fGenKinkInfo->fMCm.fEventNr) continue;
1382 if (eventNr > fGenKinkInfo->fMCm.fEventNr) continue;;
1383 //
1384 fNextKinkToRead = entry-1;
1385 //
1386 //
1387 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(fGenKinkInfo->fMCm.fLabel);
1388 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(fGenKinkInfo->fMCd.fLabel);
1389 fRecKinkInfo->fT1 = (*fRecInfo1);
1390 fRecKinkInfo->fT2 = (*fRecInfo2);
1391 fRecKinkInfo->fStatus =0;
1392 if (fRecInfo1 && fRecInfo1->fTPCOn) fRecKinkInfo->fStatus+=1;
1393 if (fRecInfo2 && fRecInfo2->fTPCOn) fRecKinkInfo->fStatus+=2;
1394 if (fRecKinkInfo->fStatus==3&&fRecInfo1->fSign!=fRecInfo2->fSign) fRecKinkInfo->fStatus*=-1;
1395
1396 if (fRecKinkInfo->fStatus==3){
1397 fRecKinkInfo->Update();
1398 }
1399 Int_t label = TMath::Min(fGenKinkInfo->fMCm.fLabel,fGenKinkInfo->fMCd.fLabel);
1400 Int_t label2 = TMath::Max(fGenKinkInfo->fMCm.fLabel,fGenKinkInfo->fMCd.fLabel);
1401
1402 AliESDkink *kink=0;
1403 fRecKinkInfo->fRecStatus =0;
1404 fRecKinkInfo->fMultiple = fMultiRecKinks[label];
1405 fRecKinkInfo->fKinkMultiple=0;
1406 //
1407 if (fMultiRecKinks[label]>0){
1408
1409 // for (Int_t j=0;j<TMath::Min(fMultiRecKinks[label],100);j++){
f007cb5f 1410 for (Int_t j=TMath::Min(fMultiRecKinks[label],Short_t(20))-1;j>=0;j--){
51ad6848 1411 Int_t index = fIndexRecKinks[label*20+j];
1412 //AliESDkink *kink2 = (AliESDkink*)fKinks->At(index);
1413 AliESDkink *kink2 = (AliESDkink*)fEvent->GetKink(index);
1414 if (TMath::Abs(kink2->fLab[0])==label &&TMath::Abs(kink2->fLab[1])==label2) {
51ad6848 1415 fRecKinkInfo->fKinkMultiple++;
1416 fSignedKinks[index]=1;
f007cb5f 1417 Int_t c0=0;
1418 if (kink){
1419 // if (kink->fTRDOn) c0++;
1420 //if (kink->fITSOn) c0++;
1421 if (kink->GetStatus(2)>0) c0++;
1422 if (kink->GetStatus(0)>0) c0++;
1423 }
1424 Int_t c2=0;
1425 // if (kink2->fTRDOn) c2++;
1426 //if (kink2->fITSOn) c2++;
1427 if (kink2->GetStatus(2)>0) c2++;
1428 if (kink2->GetStatus(0)>0) c2++;
1429
1430 if (c2<c0) continue;
1431 kink =kink2;
51ad6848 1432 }
1433 if (TMath::Abs(kink2->fLab[1])==label &&TMath::Abs(kink2->fLab[0])==label2) {
51ad6848 1434 fRecKinkInfo->fKinkMultiple++;
1435 fSignedKinks[index]=1;
f007cb5f 1436 Int_t c0=0;
1437 if (kink){
1438 //if (kink->fTRDOn) c0++;
1439 //if (kink->fITSOn) c0++;
1440 if (kink->GetStatus(2)>0) c0++;
1441 if (kink->GetStatus(0)>0) c0++;
1442
1443 }
1444 Int_t c2=0;
1445 // if (kink2->fTRDOn) c2++;
1446 //if (kink2->fITSOn) c2++;
1447 if (kink2->GetStatus(2)>0) c2++;
1448 if (kink2->GetStatus(0)>0) c2++;
1449
1450 if (c2<c0) continue;
1451 kink =kink2;
51ad6848 1452 }
1453 }
1454 }
1455 if (kink){
1456 fRecKinkInfo->fKink = *kink;
1457 fRecKinkInfo->fRecStatus=1;
1458 }
1459 fTreeCmpKinks->Fill();
1460 }
1461 // Int_t nkinks = fKinks->GetEntriesFast();
1462 Int_t nkinks = fEvent->GetNumberOfKinks();
1463 for (Int_t i=0;i<nkinks;i++){
1464 if (fSignedKinks[i]==0){
1465 // AliESDkink *kink = (AliESDkink*)fKinks->At(i);
1466 AliESDkink *kink = (AliESDkink*)fEvent->GetKink(i);
1467 if (!kink) continue;
1468 //
1469 fRecKinkInfo->fKink = *kink;
1470 fRecKinkInfo->fRecStatus =-2;
1471 //
1472 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(kink->fLab[0]));
1473 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(kink->fLab[1]));
1474 if (fRecInfo1 && fRecInfo2){
1475 fRecKinkInfo->fT1 = (*fRecInfo1);
1476 fRecKinkInfo->fT2 = (*fRecInfo2);
1477 fRecKinkInfo->fRecStatus =-1;
1478 }
1479 fTreeCmpKinks->Fill();
1480 }
1481 }
1482
1483
1484 fTreeCmpKinks->AutoSave();
1485 printf("Time spended in BuilKinkInfo Loop\n");
1486 timer.Print();
1487 if (fDebug > 2) cerr<<"end of BuildKinkInfo Loop"<<endl;
1488 return 0;
1489}
1490
f007cb5f 1491
1492
1493void ESDCmpTr::MakePoints(AliESDtrack * track, AliPointsMI &points)
1494{
1495 //
1496 // make points in global coordinate frame
1497 //
1498 return;
1499 /*
1500 UInt_t itscl[10];
1501 Int_t nits = track->GetITSclusters(itscl);
1502 Int_t tpccl[1000];
1503 Int_t ntpc = track->GetTPcclusters(tpccl);
1504 UInt_t trdcl[1000];
1505 Int_t ntrd = track->GetTRDclusters(trdcl);
1506 //
1507 AliLoader *itsloader = fLoader->GetLoader("ITSLoader");
1508 AliLoader *tpcloader = fLoader->GetLoader("TPCLoader");
1509 AliLoader *trdloader = fLoader->GetLoader("TRDLoader");
1510 //
1511 AliITStrackerMI itstracker();
1512 */
1513}
1514
1515
51ad6848 1516////////////////////////////////////////////////////////////////////////
1517////////////////////////////////////////////////////////////////////////
1518////////////////////////////////////////////////////////////////////////
1519
f007cb5f 1520
1521
51ad6848 1522Int_t ESDCmpTr::BuildV0Info(Int_t eventNr)
1523{
1524//
1525// loop over all entries for a given event, find corresponding
1526// rec. track and store in the fTreeCmp
1527//
1528 TStopwatch timer;
1529 timer.Start();
1530 Int_t entry = fNextV0ToRead;
1531 Double_t nParticlesTR = fTreeGenV0->GetEntriesFast();
1532 cerr<<"fNParticles, nParticlesTR, fNextV0ToRead: "<<fNParticles<<" "
1533 <<nParticlesTR<<" "<<fNextV0ToRead<<endl;
1534 //
1535 TBranch * branch = fTreeCmpV0->GetBranch("RC.");
1536 branch->SetAddress(&fRecV0Info); // set all pointers
1537 const AliESDVertex * esdvertex = fEvent->GetVertex();
1538 Float_t vertex[3]= {esdvertex->GetXv(), esdvertex->GetYv(),esdvertex->GetZv()};
1539
1540 //
1541 while (entry < nParticlesTR) {
1542 fTreeGenV0->GetEntry(entry);
1543 entry++;
1544 if (eventNr < fGenV0Info->fMCm.fEventNr) continue;
1545 if (eventNr > fGenV0Info->fMCm.fEventNr) continue;;
1546 //
1547 fNextV0ToRead = entry-1;
1548 //
1549 //
1550 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(fGenV0Info->fMCm.fLabel);
1551 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(fGenV0Info->fMCd.fLabel);
1552 if (fGenV0Info->fMCm.fCharge*fGenV0Info->fMCd.fCharge>0) continue; // interactions
1553 if (!fRecInfo1 || !fRecInfo2) continue;
1554 fRecV0Info->fT1 = (*fRecInfo1);
1555 fRecV0Info->fT2 = (*fRecInfo2);
1556 fRecV0Info->fV0Status =0;
1557 if (fRecInfo1 && fRecInfo1->fStatus[1]>0) fRecV0Info->fV0Status+=1;
1558 if (fRecInfo2 && fRecInfo2->fStatus[1]>0) fRecV0Info->fV0Status+=2;
1559
1560 if (fRecV0Info->fV0Status==3&&fRecInfo1->fSign==fRecInfo2->fSign) fRecV0Info->fV0Status*=-1;
1561
1562
1563 if (abs(fRecV0Info->fV0Status)==3){
1564 fRecV0Info->Update(vertex);
1565 {
1566 //
1567 // TPC V0 Info
1568 Double_t x,alpha, param[5],cov[15];
0a1e73ec 1569 if ( fRecV0Info->fT1.fESDTrack.GetInnerParam() && fRecV0Info->fT2.fESDTrack.GetInnerParam()){
1570 fRecV0Info->fT1.fESDTrack.GetInnerExternalParameters(alpha,x,param);
1571 fRecV0Info->fT1.fESDTrack.GetInnerExternalCovariance(cov);
1572 AliExternalTrackParam paramP(x,alpha,param,cov);
1573 //
1574 fRecV0Info->fT2.fESDTrack.GetInnerExternalParameters(alpha,x,param);
1575 fRecV0Info->fT2.fESDTrack.GetInnerExternalCovariance(cov);
1576 AliExternalTrackParam paramM(x,alpha,param,cov);
1577 //
1578 fRecV0Info->fV0tpc.SetM(paramM);
1579 fRecV0Info->fV0tpc.SetP(paramP);
1580 Double_t pid1[5],pid2[5];
1581 fRecV0Info->fT1.fESDTrack.GetESDpid(pid1);
1582 fRecV0Info->fT1.fESDTrack.GetESDpid(pid2);
1583 //
1584 fRecV0Info->fV0tpc.UpdatePID(pid1,pid2);
1585 fRecV0Info->fV0tpc.Update(vertex);
1586
1587 //
1588 //
1589 fRecV0Info->fT1.fESDTrack.GetExternalParameters(x,param);
1590 fRecV0Info->fT1.fESDTrack.GetExternalCovariance(cov);
1591 alpha = fRecV0Info->fT1.fESDTrack.GetAlpha();
1592 new (&paramP) AliExternalTrackParam(x,alpha,param,cov);
1593 //
1594 fRecV0Info->fT2.fESDTrack.GetExternalParameters(x,param);
1595 fRecV0Info->fT2.fESDTrack.GetExternalCovariance(cov);
1596 alpha = fRecV0Info->fT2.fESDTrack.GetAlpha();
1597 new (&paramM) AliExternalTrackParam(x,alpha,param,cov);
1598 //
1599 fRecV0Info->fV0its.SetM(paramM);
1600 fRecV0Info->fV0its.SetP(paramP);
1601 fRecV0Info->fV0its.UpdatePID(pid1,pid2);
1602 fRecV0Info->fV0its.Update(vertex);
1603 }
51ad6848 1604 }
1605 if (TMath::Abs(fGenV0Info->fMCm.fPdg)==11 &&TMath::Abs(fGenV0Info->fMCd.fPdg)==11){
1606 if (fRecV0Info->fDist2>10){
1607 fRecV0Info->Update(vertex);
1608 }
1609 if (fRecV0Info->fDist2>10){
1610 fRecV0Info->Update(vertex);
1611 }
1612 }
1613 }
1614 //
1615 // take the V0 from reconstruction
1616
1617 Int_t label = TMath::Min(fGenV0Info->fMCm.fLabel,fGenV0Info->fMCd.fLabel);
1618 Int_t label2 = TMath::Max(fGenV0Info->fMCm.fLabel,fGenV0Info->fMCd.fLabel);
d6a49f20 1619 AliESDv0 *v0MI=0;
51ad6848 1620 fRecV0Info->fRecStatus =0;
1621 fRecV0Info->fMultiple = fMultiRecV0[label];
1622 fRecV0Info->fV0Multiple=0;
1623 //
f007cb5f 1624 if (fMultiRecV0[label]>0 || fMultiRecV0[label2]>0){
51ad6848 1625
1626 // for (Int_t j=0;j<TMath::Min(fMultiRecV0s[label],100);j++){
f007cb5f 1627 for (Int_t j=TMath::Min(fMultiRecV0[label],Short_t(20))-1;j>=0;j--){
51ad6848 1628 Int_t index = fIndexRecV0[label*20+j];
e1eaa672 1629 if (index<0) continue;
d6a49f20 1630 AliESDv0 *v0MI2 = fEvent->GetV0(index);
51ad6848 1631 if (TMath::Abs(v0MI2->fLab[0])==label &&TMath::Abs(v0MI2->fLab[1])==label2) {
1632 v0MI =v0MI2;
1633 fRecV0Info->fV0Multiple++;
1634 fSignedV0[index]=1;
1635 }
1636 if (TMath::Abs(v0MI2->fLab[1])==label &&TMath::Abs(v0MI2->fLab[0])==label2) {
1637 v0MI =v0MI2;
1638 fRecV0Info->fV0Multiple++;
1639 fSignedV0[index]=1;
1640 }
1641 }
1642 }
1643 if (v0MI){
1644 fRecV0Info->fV0rec = *v0MI;
1645 fRecV0Info->fRecStatus=1;
1646 }
1647
1648 fTreeCmpV0->Fill();
1649 }
1650 //
1651 // write fake v0s
1652
d6a49f20 1653 Int_t nV0MIs = fEvent->GetNumberOfV0s();
51ad6848 1654 for (Int_t i=0;i<nV0MIs;i++){
1655 if (fSignedV0[i]==0){
d6a49f20 1656 AliESDv0 *v0MI = fEvent->GetV0(i);
51ad6848 1657 if (!v0MI) continue;
1658 //
1659 fRecV0Info->fV0rec = *v0MI;
1660 fRecV0Info->fV0Status =-10;
1661 fRecV0Info->fRecStatus =-2;
1662 //
1663 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(v0MI->fLab[0]));
1664 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(v0MI->fLab[1]));
1665 if (fRecInfo1 && fRecInfo2){
1666 fRecV0Info->fT1 = (*fRecInfo1);
1667 fRecV0Info->fT2 = (*fRecInfo2);
1668 fRecV0Info->fRecStatus =-1;
1669 }
f007cb5f 1670 fRecV0Info->Update(vertex);
51ad6848 1671 fTreeCmpV0->Fill();
1672 }
1673 }
1674
1675
1676
1677 fTreeCmpV0->AutoSave();
51ad6848 1678 printf("Time spended in BuilV0Info Loop\n");
1679 timer.Print();
1680 if (fDebug > 2) cerr<<"end of BuildV0Info Loop"<<endl;
1681 return 0;
1682}
ae7d73d2 1683////////////////////////////////////////////////////////////////////////
1684////////////////////////////////////////////////////////////////////////
1685
1686void AliESDComparisonDraw::SetIO(const char *fname)
1687{
1688 //
1689 TFile* file = TFile::Open(fname);
1690 //
1691 fTree = (TTree*) file->Get("ESDcmpTracks");
1692 if (!fTree) {
1693 printf("no track comparison tree found\n");
1694 file->Close();
1695 delete file;
1696 }
1697}
1698
1699