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Additional protection and change in the interface (Yu.Belikov)
[u/mrichter/AliRoot.git] / STEER / AliESDComparisonMI.C
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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
31.L $ALICE_ROOT/STEER/AliGenInfo.C+
32//be sure you created genTracks file before
33.L $ALICE_ROOT/STEER/AliESDComparisonMI.C+
34
35//
e1eaa672 36ESDCmpTr *t2 = new ESDCmpTr("genTracks.root","cmpESDTracks.root","galice.root",-1,0,0);
ae7d73d2 37t2->Exec();
38
39//
40//some cuts definition
51ad6848 41TCut cprim("cprim","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<0.01&&abs(MC.fVDist[2])<0.01")
ae7d73d2 42//TCut cprim("cprim","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<0.5&&abs(MC.fVDist[2])<0.5")
51ad6848 43//TCut citsin("citsin","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<3.9");
f007cb5f 44TCut citsin("citsin","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<5");
ae7d73d2 45TCut csec("csec","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)>0.5");
46
47
48TCut crec("crec","fReconstructed==1");
51ad6848 49TCut cteta1("cteta1","abs(MC.fParticle.Theta()/3.1415-0.5)<0.25");
f007cb5f 50TCut cteta05("cteta05","abs(MC.fParticle.Theta()/3.1415-0.5)<0.1");
51
ae7d73d2 52TCut cpos1("cpos1","abs(MC.fParticle.fVz/sqrt(MC.fParticle.fVx*MC.fParticle.fVx+MC.fParticle.fVy*MC.fParticle.fVy))<1");
53TCut csens("csens","abs(sqrt(fVDist[0]**2+fVDist[1]**2)-170)<50");
54TCut cmuon("cmuon","abs(MC.fParticle.fPdgCode==-13)");
55TCut cchi2("cchi2","fESDTrack.fITSchi2MIP[0]<7.&&fESDTrack.fITSchi2MIP[1]<5.&&fESDTrack.fITSchi2MIP[2]<7.&&fESDTrack.fITSchi2MIP[3]<7.5&&fESDTrack.fITSchi2MIP[4]<6.")
56
57AliESDComparisonDraw comp;
58comp.SetIO();
51ad6848 59TFile f("genHits.root");
60TTree * treel = (TTree*)f.Get("HitLines");
61if (treel) comp->fTree->AddFriend(treel,"L");
ae7d73d2 62
63//
64//example
65comp.fTree->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
51ad6848 66comp.fTree->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
67comp.fTree->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
68comp.fTree->SetAlias("theta","MC.fTrackRef.Theta()");
69comp.fTree->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
51ad6848 70comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
f007cb5f 71comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
72
ae7d73d2 73
74TH1F his("his","his",100,0,20);
75TH1F hpools("hpools","hpools",100,-7,7);
76TH1F hfake("hfake","hfake",1000,0,150);
77TProfile profp0("profp0","profp0",20,-0.4,0.9)
78
f007cb5f 79comp.DrawXY("fTPCinP0[3]","fTPCDelta[4]/fTPCinP1[3]","fReconstructed==1"+cprim,"1",4,0.2,1.5,-0.06,0.06)
ae7d73d2 80comp.fRes->Draw();
81comp.fMean->Draw();
51ad6848 82
f007cb5f 83comp.DrawXY("fITSinP0[3]","fITSDelta[4]/fITSinP1[3]","fReconstructed==1&&fITSOn"+cprim,"1",4,0.2,1.5,-0.06,0.06)
51ad6848 84comp.fRes->Draw();
85
86comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn",20,0.2,1.5)
87comp.fRes->Draw();
88
89comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn&&fITSOn&&fESDTrack.fITSFakeRatio<0.1",10,0.2,1.5)
90comp.fRes->Draw();
91comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn&&fITSOn&&fESDTrack.fITSFakeRatio>0.1",10,0.2,1.5)
ae7d73d2 92comp.fRes->Draw();
93
94comp.fTree->Draw("fESDTrack.fITSsignal/fESDTrack.fTPCsignal","fITSOn&&fTPCOn&&fESDTrack.fITSFakeRatio==0")
95
96TH1F his("his","his",100,0,20);
97TH1F hpools("hpools","hpools",100,-7,7);
98
f007cb5f 99TH2F * hdedx0 = new TH2F("dEdx0","dEdx0",100, 0,2,200,0,550); hdedx0->SetMarkerColor(1);
100TH2F * hdedx1 = new TH2F("dEdx1","dEdx1",100, 0,2,200,0,550); hdedx1->SetMarkerColor(4);
101TH2F * hdedx2 = new TH2F("dEdx2","dEdx2",100, 0,2,200,0,550); hdedx2->SetMarkerColor(3);
102TH2F * hdedx3 = new TH2F("dEdx3","dEdx3",100, 0,2,200,0,550); hdedx3->SetMarkerColor(2);
103
104comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx0","fITSOn&&abs(fPdg)==211&&fITStrack.fN==6"+cprim)
105comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx1","fITSOn&&abs(fPdg)==2212&&fITStrack.fN==6"+cprim)
106comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx2","fITSOn&&abs(fPdg)==321&&fITStrack.fN==6"+cprim)
107comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx3","fITSOn&&abs(fPdg)==11&&fITStrack.fN==6"+cprim)
51ad6848 108
51ad6848 109
f007cb5f 110comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx0","fTRDOn&&abs(fPdg)==211&&fTRDtrack.fN>40&&fStatus[2]>1")
111comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx1","fTRDOn&&abs(fPdg)==2212&&fTRDtrack.fN>40&&fStatus[2]>1")
112comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx2","fTRDOn&&abs(fPdg)==321&&fTRDtrack.fN>40&&fStatus[2]>1")
113comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx3","fTRDOn&&abs(fPdg)==11&&fTRDtrack.fN>40&&fStatus[2]>1")
51ad6848 114
e1eaa672 115comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx0","fTPCOn&&abs(fPdg)==211&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1);
116comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx1","fTPCOn&&abs(fPdg)==2212&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1);
117comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx2","fTPCOn&&abs(fPdg)==321&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1);
118comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx3","fTPCOn&&abs(fPdg)==11&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1);
51ad6848 119
e1eaa672 120hdedx3->SetXTitle("P(GeV/c)");
121hdedx3->SetYTitle("dEdx(unit)");
f007cb5f 122hdedx3->Draw(); hdedx1->Draw("same"); hdedx2->Draw("same"); hdedx0->Draw("same");
ae7d73d2 123
124comp.DrawXY("fITSinP0[3]","fITSPools[4]","fReconstructed==1&&fPdg==-211&&fITSOn"+cprim,"1",4,0.2,1.0,-8,8)
125
f007cb5f 126TProfile prof("prof","prof",10,0.5,5);
127
128
129
130
ae7d73d2 131*/
132
133
134#if !defined(__CINT__) || defined(__MAKECINT__)
135#include <stdio.h>
136#include <string.h>
137//ROOT includes
138#include "Rtypes.h"
139#include "TFile.h"
140#include "TTree.h"
141#include "TChain.h"
142#include "TCut.h"
143#include "TString.h"
144#include "TBenchmark.h"
145#include "TStopwatch.h"
146#include "TParticle.h"
147#include "TSystem.h"
148#include "TTimer.h"
149#include "TVector3.h"
150#include "TPad.h"
151#include "TCanvas.h"
152#include "TH1F.h"
153#include "TH2F.h"
154#include "TF1.h"
155#include "TText.h"
156#include "Getline.h"
157#include "TStyle.h"
158
159//ALIROOT includes
160#include "AliRun.h"
161#include "AliStack.h"
162#include "AliESDtrack.h"
163#include "AliSimDigits.h"
164#include "AliTPCParam.h"
165#include "AliTPC.h"
166#include "AliTPCLoader.h"
167#include "AliDetector.h"
168#include "AliTrackReference.h"
169#include "AliRun.h"
170#include "AliTPCParamSR.h"
171#include "AliTracker.h"
172#include "AliComplexCluster.h"
173#include "AliMagF.h"
174#include "AliESD.h"
175#include "AliESDtrack.h"
51ad6848 176#include "AliITStrackMI.h"
ae7d73d2 177#include "AliTRDtrack.h"
51ad6848 178#include "AliHelix.h"
179#include "AliESDVertex.h"
180#include "AliExternalTrackParam.h"
181#include "AliESDkink.h"
182#include "AliESDV0MI.h"
183
ae7d73d2 184#endif
185#include "AliGenInfo.h"
186#include "AliESDComparisonMI.h"
187
188
189
81e97e0d 190
191
192void MakeAliases(AliESDComparisonDraw&comp)
193{
194 //
195 // aliases definition
196 //
197 comp.fTree->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
198 comp.fTree->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
199 comp.fTree->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
200 comp.fTree->SetAlias("theta","MC.fTrackRef.Theta()");
201 comp.fTree->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
202 comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
203 comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
204
205 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.");
206
207 comp.fTree->SetAlias("dtofmc2","fESDTrack.fTrackTime[2]-(10^12*MC.fTOFReferences[0].fTime)");
208 comp.fTree->SetAlias("dtofrc2","(fESDTrack.fTrackTime[2]-fESDTrack.fTOFsignal)");
209
210 comp.fTree->SetAlias("psum","fESDTrack.fTOFr[4]+fESDTrack.fTOFr[3]+fESDTrack.fTOFr[2]+fESDTrack.fTOFr[1]+fESDTrack.fTOFr[0]");
211 comp.fTree->SetAlias("P0","fESDTrack.fTOFr[0]/psum");
212 comp.fTree->SetAlias("P1","fESDTrack.fTOFr[1]/psum");
213 comp.fTree->SetAlias("P2","fESDTrack.fTOFr[2]/psum");
214 comp.fTree->SetAlias("P3","fESDTrack.fTOFr[3]/psum");
215 comp.fTree->SetAlias("P4","fESDTrack.fTOFr[4]/psum");
216 comp.fTree->SetAlias("MaxP","max(max(max(P0,P1),max(P2,P3)),P4)");
217}
218
219
220
51ad6848 221
222void AliESDRecInfo::UpdatePoints(AliESDtrack*track)
223{
224 //
225 //
226 Int_t iclusters[200];
227 Float_t density[160];
228 for (Int_t i=0;i<160;i++) density[i]=-1.;
229 fTPCPoints[0]= 160;
230 fTPCPoints[1] = -1;
231 //
232 if (fTPCPoints[0]<fTPCPoints[1]) return;
233 // Int_t nclusters=track->GetTPCclusters(iclusters);
234
235 Int_t ngood=0;
236 Int_t undeff=0;
237 Int_t nall =0;
238 Int_t range=20;
239 for (Int_t i=0;i<160;i++){
240 Int_t last = i-range;
241 if (nall<range) nall++;
242 if (last>=0){
243 if (iclusters[last]>0&& (iclusters[last]&0x8000)==0) ngood--;
244 if (iclusters[last]==-1) undeff--;
245 }
246 if (iclusters[i]>0&& (iclusters[i]&0x8000)==0) ngood++;
247 if (iclusters[i]==-1) undeff++;
248 if (nall==range &&undeff<range/2) density[i-range/2] = Float_t(ngood)/Float_t(nall-undeff);
249 }
250 Float_t maxdens=0;
251 Int_t indexmax =0;
252 for (Int_t i=0;i<160;i++){
253 if (density[i]<0) continue;
254 if (density[i]>maxdens){
255 maxdens=density[i];
256 indexmax=i;
257 }
258 }
259 //
260 //max dens point
261 fTPCPoints[3] = maxdens;
262 fTPCPoints[1] = indexmax;
263 //
264 // last point
265 for (Int_t i=indexmax;i<160;i++){
266 if (density[i]<0) continue;
267 if (density[i]<maxdens/2.) {
268 break;
269 }
270 fTPCPoints[2]=i;
271 }
272 //
273 // first point
274 for (Int_t i=indexmax;i>0;i--){
275 if (density[i]<0) continue;
276 if (density[i]<maxdens/2.) {
277 break;
278 }
279 fTPCPoints[0]=i;
280 }
281 //
f007cb5f 282 // Density at the last 30 padrows
283 //
284 //
285 nall = 0;
286 ngood = 0;
287 for (Int_t i=159;i>0;i--){
288 if (iclusters[i]==-1) continue; //dead zone
289 nall++;
290 if (iclusters[i]>0) ngood++;
291 if (nall>20) break;
292 }
293 fTPCPoints[4] = Float_t(ngood)/Float_t(nall);
294 //
51ad6848 295 if ((track->GetStatus()&AliESDtrack::kITSrefit)>0) fTPCPoints[0]=-1;
f007cb5f 296 //
297 //
298 // check TRDPoints
299 /*
300 nclusters=track->GetTRDclusters(iclusters);
301 for (Int_t i=nclusters;i>0;i--){
302
303 }
304 */
305
306
51ad6848 307}
308
ae7d73d2 309//
310//
f007cb5f 311void AliESDRecInfo::Update(AliMCInfo* info,AliTPCParam * /*par*/, Bool_t reconstructed)
ae7d73d2 312{
313 //
314 //
315 //calculates derived variables
316 //
317 //
51ad6848 318 UpdatePoints(&fESDTrack);
319 fBestTOFmatch=1000;
ae7d73d2 320 AliTrackReference * ref = &(info->fTrackRef);
321 fTPCinR0[0] = info->fTrackRef.X();
322 fTPCinR0[1] = info->fTrackRef.Y();
323 fTPCinR0[2] = info->fTrackRef.Z();
324 fTPCinR0[3] = TMath::Sqrt(fTPCinR0[0]*fTPCinR0[0]+fTPCinR0[1]*fTPCinR0[1]);
325 fTPCinR0[4] = TMath::ATan2(fTPCinR0[1],fTPCinR0[0]);
326 //
327 fTPCinP0[0] = ref->Px();
328 fTPCinP0[1] = ref->Py();
329 fTPCinP0[2] = ref->Pz();
330 fTPCinP0[3] = ref->Pt();
331 fTPCinP0[4] = ref->P();
332 fDeltaP = (ref->P()-info->fParticle.P())/info->fParticle.P();
333 //
334 //
335 if (fTPCinP0[3]>0.0000001){
336 //
337 fTPCAngle0[0] = TMath::ATan2(fTPCinP0[1],fTPCinP0[0]);
338 fTPCAngle0[1] = TMath::ATan(fTPCinP0[2]/fTPCinP0[3]);
339 }
340 //
341 //
342 fITSinP0[0]=info->fParticle.Px();
343 fITSinP0[1]=info->fParticle.Py();
344 fITSinP0[2]=info->fParticle.Pz();
345 fITSinP0[3]=info->fParticle.Pt();
346 //
347 fITSinR0[0]=info->fParticle.Vx();
348 fITSinR0[1]=info->fParticle.Vy();
349 fITSinR0[2]=info->fParticle.Vz();
350 fITSinR0[3] = TMath::Sqrt(fITSinR0[0]*fITSinR0[0]+fITSinR0[1]*fITSinR0[1]);
351 fITSinR0[4] = TMath::ATan2(fITSinR0[1],fITSinR0[0]);
352 //
353 //
354 if (fITSinP0[3]>0.0000001){
355 fITSAngle0[0] = TMath::ATan2(fITSinP0[1],fITSinP0[0]);
356 fITSAngle0[1] = TMath::ATan(fITSinP0[2]/fITSinP0[3]);
357 }
358 //
51ad6848 359 for (Int_t i=0;i<4;i++) fStatus[i] =0;
360 fReconstructed = kFALSE;
361 fTPCOn = kFALSE;
362 fITSOn = kFALSE;
363 fTRDOn = kFALSE;
364 if (reconstructed==kFALSE) return;
365
366 fLabels[0] = info->fLabel;
367 fLabels[1] = info->fPrimPart;
ae7d73d2 368 fReconstructed = kTRUE;
369 fTPCOn = ((fESDTrack.GetStatus()&AliESDtrack::kTPCrefit)>0) ? kTRUE : kFALSE;
370 fITSOn = ((fESDTrack.GetStatus()&AliESDtrack::kITSrefit)>0) ? kTRUE : kFALSE;
371 fTRDOn = ((fESDTrack.GetStatus()&AliESDtrack::kTRDrefit)>0) ? kTRUE : kFALSE;
51ad6848 372 //
373 //
374 if ((fESDTrack.GetStatus()&AliESDtrack::kTPCrefit)>0){
375 fStatus[1] =3;
376 }
377 else{
378 if ((fESDTrack.GetStatus()&AliESDtrack::kTPCout)>0){
379 fStatus[1] =2;
380 }
381 else{
382 fStatus[1]=1;
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 //
452 if (fTPCinP1[3]>0.0000001){
453 fTPCAngle1[0] = TMath::ATan2(fTPCinP1[1],fTPCinP1[0]);
454 fTPCAngle1[1] = TMath::ATan(fTPCinP1[2]/fTPCinP1[3]);
455 }
456 Double_t cov[15], param[5],x;
457 fESDTrack.GetInnerExternalCovariance(cov);
51ad6848 458 fESDTrack.GetInnerExternalParameters(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;
e1eaa672 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");
883 if (!tree) {
884 Char_t ename[100];
885 sprintf(ename,"%d",eventNr);
886 fEvent = (AliESD*)f.Get(ename);
887 if (!fEvent){
888 sprintf(ename,"ESD%d",eventNr);
889 fEvent = (AliESD*)f.Get(ename);
890 }
891 }
892 else{
893 tree->SetBranchAddress("ESD", &fEvent);
894 tree->GetEntry(eventNr);
895 }
896
897
898 /*
899 Char_t ename[100];
900 sprintf(ename,"%d",eventNr);
901 fEvent = (AliESD*)f.Get(ename);
902 if (!fEvent){
903 sprintf(ename,"ESD%d",eventNr);
904 fEvent = (AliESD*)f.Get(ename);
905 }
906
907 TTree* tree = (TTree*) f.Get("esdTree");
908 if (!tree) {
909 Error("CheckESD", "no ESD tree found");
910 return kFALSE;
911 }
912 tree->SetBranchAddress("ESD", &fEvent);
913 tree->GetEntry(eventNr);
914 */
915
916 if (!fEvent) return 1;
917
918 return 0;
919}
920
921
922
923////////////////////////////////////////////////////////////////////////
924void ESDCmpTr::Reset()
925{
926 fEventNr = 0;
927 fNEvents = 0;
928 fTreeCmp = 0;
51ad6848 929 fTreeCmpKinks =0;
930 fTreeCmpV0 =0;
ae7d73d2 931 // fFnCmp = "cmpTracks.root";
932 fFileGenTracks = 0;
933 fDebug = 0;
934 //
935 fParamTPC = 0;
936 fEvent =0;
937}
938
939////////////////////////////////////////////////////////////////////////
940Int_t ESDCmpTr::Exec(Int_t nEvents, Int_t firstEventNr)
941{
942 fNEvents = nEvents;
943 fFirstEventNr = firstEventNr;
944 return Exec();
945}
946
947////////////////////////////////////////////////////////////////////////
948Int_t ESDCmpTr::Exec()
949{
950 TStopwatch timer;
951 timer.Start();
952
953 if (SetIO()==1)
954 return 1;
955
956 fNextTreeGenEntryToRead = 0;
51ad6848 957 fNextKinkToRead = 0;
81e97e0d 958 fNextV0ToRead =0;
ae7d73d2 959 cerr<<"fFirstEventNr, fNEvents: "<<fFirstEventNr<<" "<<fNEvents<<endl;
960 for (Int_t eventNr = fFirstEventNr; eventNr < fFirstEventNr+fNEvents;
961 eventNr++) {
962 fEventNr = eventNr;
963 SetIO(fEventNr);
964 fNParticles = gAlice->GetEvent(fEventNr);
965
f007cb5f 966 fIndexRecTracks = new Short_t[fNParticles*20]; //write at maximum 4 tracks corresponding to particle
967 fIndexRecKinks = new Short_t[fNParticles*20]; //write at maximum 20 tracks corresponding to particle
968 fIndexRecV0 = new Short_t[fNParticles*20]; //write at maximum 20 tracks corresponding to particle
51ad6848 969
f007cb5f 970 fFakeRecTracks = new Short_t[fNParticles];
971 fMultiRecTracks = new Short_t[fNParticles];
972 fMultiRecKinks = new Short_t[fNParticles];
973 fMultiRecV0 = new Short_t[fNParticles];
ae7d73d2 974
51ad6848 975 for (Int_t i = 0; i<fNParticles; i++) {
976 for (Int_t j=0;j<20;j++){
977 fIndexRecTracks[20*i+j] = -1;
978 fIndexRecKinks[20*i+j] = -1;
979 fIndexRecV0[20*i+j] = -1;
980 }
ae7d73d2 981 fFakeRecTracks[i] = 0;
982 fMultiRecTracks[i] = 0;
51ad6848 983 fMultiRecKinks[i] = 0;
984 fMultiRecV0[i] = 0;
ae7d73d2 985 }
986
987 cout<<"Start to process event "<<fEventNr<<endl;
988 cout<<"\tfNParticles = "<<fNParticles<<endl;
989 if (fDebug>2) cout<<"\tStart loop over TreeT"<<endl;
990 if (TreeTLoop()>0) return 1;
991
992 if (fDebug>2) cout<<"\tStart loop over tree genTracks"<<endl;
993 if (TreeGenLoop(eventNr)>0) return 1;
51ad6848 994 BuildKinkInfo0(eventNr);
995 BuildV0Info(eventNr);
996 fRecArray->Delete();
997
ae7d73d2 998 if (fDebug>2) cout<<"\tEnd loop over tree genTracks"<<endl;
999
1000 delete [] fIndexRecTracks;
51ad6848 1001 delete [] fIndexRecKinks;
1002 delete [] fIndexRecV0;
ae7d73d2 1003 delete [] fFakeRecTracks;
1004 delete [] fMultiRecTracks;
51ad6848 1005 delete [] fMultiRecKinks;
1006 delete [] fMultiRecV0;
ae7d73d2 1007 }
1008
1009 CloseOutputFile();
1010
1011 cerr<<"Exec finished"<<endl;
1012 timer.Stop();
1013 timer.Print();
1014 return 0;
1015
1016}
1017////////////////////////////////////////////////////////////////////////
1018Bool_t ESDCmpTr::ConnectGenTree()
1019{
1020//
1021// connect all branches from the genTracksTree
1022// use the same variables as for the new cmp tree, it may work
1023//
1024 fFileGenTracks = TFile::Open(fFnGenTracks,"READ");
1025 if (!fFileGenTracks) {
1026 cerr<<"Error in ConnectGenTree: cannot open file "<<fFnGenTracks<<endl;
1027 return kFALSE;
1028 }
1029 fTreeGenTracks = (TTree*)fFileGenTracks->Get("genTracksTree");
1030 if (!fTreeGenTracks) {
1031 cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
1032 <<fFnGenTracks<<endl;
1033 return kFALSE;
1034 }
1035 //
1036 fMCInfo = new AliMCInfo;
1037 fTreeGenTracks->SetBranchAddress("MC",&fMCInfo);
1038 //
51ad6848 1039 //
1040 fTreeGenKinks = (TTree*)fFileGenTracks->Get("genKinksTree");
1041 if (!fTreeGenKinks) {
1042 cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
1043 <<fFnGenTracks<<endl;
1044 //return kFALSE;
1045 }
1046 else{
1047 fGenKinkInfo = new AliGenKinkInfo;
1048 fTreeGenKinks->SetBranchAddress("MC",&fGenKinkInfo);
1049 }
1050
1051 fTreeGenV0 = (TTree*)fFileGenTracks->Get("genV0Tree");
1052 if (!fTreeGenV0) {
1053 cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
1054 <<fFnGenTracks<<endl;
1055 //return kFALSE;
1056 }
1057 else{
1058 fGenV0Info = new AliGenV0Info;
1059 fTreeGenV0->SetBranchAddress("MC",&fGenV0Info);
1060 }
1061 //
ae7d73d2 1062 if (fDebug > 1) {
1063 cout<<"Number of gen. tracks with TR: "<<fTreeGenTracks->GetEntries()<<endl;
1064 }
1065 return kTRUE;
1066}
1067
1068
1069////////////////////////////////////////////////////////////////////////
1070void ESDCmpTr::CreateTreeCmp()
1071{
1072 fFileCmp = TFile::Open(fFnCmp,"RECREATE");
1073 if (!fFileCmp) {
1074 cerr<<"Error in CreateTreeCmp: cannot open file "<<fFnCmp<<endl;
1075 return;
1076 }
ae7d73d2 1077 //
51ad6848 1078 //
1079 fTreeCmp = new TTree("ESDcmpTracks","ESDcmpTracks");
ae7d73d2 1080 fMCInfo = new AliMCInfo;
1081 fRecInfo = new AliESDRecInfo;
ae7d73d2 1082 AliESDtrack * esdTrack = new AliESDtrack;
51ad6848 1083 // AliITStrackMI * itsTrack = new AliITStrackMI;
e1eaa672 1084 fTreeCmp->Branch("MC","AliMCInfo",&fMCInfo,256000);
1085 fTreeCmp->Branch("RC","AliESDRecInfo",&fRecInfo,256000);
f007cb5f 1086 // fTreeCmp->Branch("fESDTrack","AliESDtrack",&esdTrack);
51ad6848 1087 // fTreeCmp->Branch("ITS","AliITStrackMI",&itsTrack);
ae7d73d2 1088 delete esdTrack;
1089 //
51ad6848 1090 //
1091 fTreeCmpKinks = new TTree("ESDcmpKinks","ESDcmpKinks");
1092 fGenKinkInfo = new AliGenKinkInfo;
1093 fRecKinkInfo = new AliESDRecKinkInfo;
e1eaa672 1094 fTreeCmpKinks->Branch("MC.","AliGenKinkInfo",&fGenKinkInfo,256000);
1095 fTreeCmpKinks->Branch("RC.","AliESDRecKinkInfo",&fRecKinkInfo,256000);
51ad6848 1096 //
1097 //
1098 fTreeCmpV0 = new TTree("ESDcmpV0","ESDcmpV0");
1099 fGenV0Info = new AliGenV0Info;
1100 fRecV0Info = new AliESDRecV0Info;
e1eaa672 1101 fTreeCmpV0->Branch("MC.","AliGenV0Info", &fGenV0Info,256000);
1102 fTreeCmpV0->Branch("RC.","AliESDRecV0Info",&fRecV0Info,256000);
51ad6848 1103 //
ae7d73d2 1104 fTreeCmp->AutoSave();
51ad6848 1105 fTreeCmpKinks->AutoSave();
1106 fTreeCmpV0->AutoSave();
ae7d73d2 1107}
1108////////////////////////////////////////////////////////////////////////
1109void ESDCmpTr::CloseOutputFile()
1110{
1111 if (!fFileCmp) {
1112 cerr<<"File "<<fFnCmp<<" not found as an open file."<<endl;
1113 return;
1114 }
1115 fFileCmp->cd();
1116 fTreeCmp->Write();
1117 delete fTreeCmp;
1118
1119 fFileCmp->Close();
1120 delete fFileCmp;
1121 return;
1122}
1123////////////////////////////////////////////////////////////////////////
1124
1125TVector3 ESDCmpTr::TR2Local(AliTrackReference *trackRef,
1126 AliTPCParam *paramTPC) {
1127
1128 Float_t x[3] = { trackRef->X(),trackRef->Y(),trackRef->Z()};
1129 Int_t index[4];
1130 paramTPC->Transform0to1(x,index);
1131 paramTPC->Transform1to2(x,index);
1132 return TVector3(x);
1133}
1134////////////////////////////////////////////////////////////////////////
1135
1136Int_t ESDCmpTr::TreeTLoop()
1137{
1138 //
1139 // loop over all ESD reconstructed tracks and store info in memory
1140 //
51ad6848 1141 // + loop over all reconstructed kinks
ae7d73d2 1142 TStopwatch timer;
1143 timer.Start();
1144 //
1145 Int_t nEntries = (Int_t)fEvent->GetNumberOfTracks();
51ad6848 1146 Int_t nKinks = (Int_t) fEvent->GetNumberOfKinks();
1147 Int_t nV0MIs = (Int_t) fEvent->GetNumberOfV0MIs();
f007cb5f 1148 fSignedKinks = new Short_t[nKinks];
1149 fSignedV0 = new Short_t[nV0MIs];
ae7d73d2 1150 //
51ad6848 1151 // load kinks to the memory
1152 for (Int_t i=0; i<nKinks;i++){
1153 AliESDkink * kink =fEvent->GetKink(i);
1154 fSignedKinks[i]=0;
1155 if (kink->fStatus<0) continue;
1156 }
ae7d73d2 1157 //
51ad6848 1158 for (Int_t i=0; i<nV0MIs;i++){
1159 AliESDV0MI * v0MI =fEvent->GetV0MI(i);
1160 fSignedV0[i]=0;
1161 if (v0MI->fStatus<0) continue;
ae7d73d2 1162 }
51ad6848 1163
ae7d73d2 1164 //
1165 //
1166 AliESDtrack * track=0;
1167 for (Int_t iEntry=0; iEntry<nEntries;iEntry++){
51ad6848 1168 //track = (AliESDtrack*)fTracks->UncheckedAt(iEntry);
1169 track = (AliESDtrack*)fEvent->GetTrack(iEntry);
ae7d73d2 1170 //
1171 Int_t label = track->GetLabel();
1172 Int_t absLabel = abs(label);
1173 if (absLabel < fNParticles) {
1174 // fIndexRecTracks[absLabel] = iEntry;
1175 if (label < 0) fFakeRecTracks[absLabel]++;
1176 if (fMultiRecTracks[absLabel]>0){
51ad6848 1177 if (fMultiRecTracks[absLabel]<20)
1178 fIndexRecTracks[absLabel*20+fMultiRecTracks[absLabel]] = iEntry;
ae7d73d2 1179 }
1180 else
51ad6848 1181 fIndexRecTracks[absLabel*20] = iEntry;
ae7d73d2 1182 fMultiRecTracks[absLabel]++;
1183 }
51ad6848 1184 }
1185 // sort reconstructed kinks
1186 //
1187 AliESDkink * kink=0;
1188 for (Int_t iEntry=0; iEntry<nKinks;iEntry++){
1189 kink = (AliESDkink*)fEvent->GetKink(iEntry);
1190 if (!kink) continue;
1191 //
1192 Int_t label0 = TMath::Abs(kink->fLab[0]);
1193 Int_t label1 = TMath::Abs(kink->fLab[1]);
51ad6848 1194 Int_t absLabel = TMath::Min(label0,label1);
1195 if (absLabel < fNParticles) {
1196 if (fMultiRecKinks[absLabel]>0){
1197 if (fMultiRecKinks[absLabel]<20)
1198 fIndexRecKinks[absLabel*20+fMultiRecKinks[absLabel]] = iEntry;
1199 }
1200 else
1201 fIndexRecKinks[absLabel*20] = iEntry;
1202 fMultiRecKinks[absLabel]++;
1203 }
ae7d73d2 1204 }
51ad6848 1205 // --sort reconstructed V0
1206 //
1207 AliESDV0MI * v0MI=0;
1208 for (Int_t iEntry=0; iEntry<nV0MIs;iEntry++){
1209 v0MI = fEvent->GetV0MI(iEntry);
1210 if (!v0MI) continue;
1211 //
f007cb5f 1212 // Int_t label0 = TMath::Abs(v0MI->fLab[0]);
1213 //Int_t label1 = TMath::Abs(v0MI->fLab[1]);
1214 //
1215 for (Int_t i=0;i<2;i++){
1216 // Int_t absLabel = TMath::Min(label0,label1);
1217 Int_t absLabel = TMath::Abs(v0MI->fLab[i]);
1218 if (absLabel < fNParticles) {
1219 if (fMultiRecV0[absLabel]>0){
1220 if (fMultiRecV0[absLabel]<20)
1221 fIndexRecV0[absLabel*20+fMultiRecV0[absLabel]] = iEntry;
1222 }
1223 else
1224 fIndexRecV0[absLabel*20] = iEntry;
1225 fMultiRecV0[absLabel]++;
51ad6848 1226 }
51ad6848 1227 }
1228 }
1229
1230
ae7d73d2 1231 printf("Time spended in TreeTLoop\n");
1232 timer.Print();
1233
1234 if (fDebug > 2) cerr<<"end of TreeTLoop"<<endl;
1235 return 0;
1236}
1237
1238////////////////////////////////////////////////////////////////////////
1239Int_t ESDCmpTr::TreeGenLoop(Int_t eventNr)
1240{
1241//
1242// loop over all entries for a given event, find corresponding
1243// rec. track and store in the fTreeCmp
1244//
1245 TStopwatch timer;
1246 timer.Start();
1247 Int_t entry = fNextTreeGenEntryToRead;
1248 Double_t nParticlesTR = fTreeGenTracks->GetEntriesFast();
1249 cerr<<"fNParticles, nParticlesTR, fNextTreeGenEntryToRead: "<<fNParticles<<" "
1250 <<nParticlesTR<<" "<<fNextTreeGenEntryToRead<<endl;
1251 TBranch * branch = fTreeCmp->GetBranch("RC");
1252 branch->SetAddress(&fRecInfo); // set all pointers
51ad6848 1253 fRecArray = new TObjArray(fNParticles);
ae7d73d2 1254
1255 while (entry < nParticlesTR) {
1256 fTreeGenTracks->GetEntry(entry);
1257 entry++;
1258 if (eventNr < fMCInfo->fEventNr) continue;
1259 if (eventNr > fMCInfo->fEventNr) continue;;
1260 //
1261 fNextTreeGenEntryToRead = entry-1;
1262 if (fDebug > 2 && fMCInfo->fLabel < 10) {
1263 cerr<<"Fill track with a label "<<fMCInfo->fLabel<<endl;
1264 }
51ad6848 1265 // if (fMCInfo->fNTPCRef<1) continue; // not TPCref
ae7d73d2 1266 //
1267 fRecInfo->Reset();
1268 AliESDtrack * track=0;
1269 fRecInfo->fReconstructed =0;
1270 TVector3 local = TR2Local(&(fMCInfo->fTrackRef),fParamTPC);
1271 local.GetXYZ(fRecInfo->fTRLocalCoord);
1272 //
51ad6848 1273 if (fIndexRecTracks[fMCInfo->fLabel*20] >= 0) {
1274 //track= (AliESDtrack*)fTracks->UncheckedAt(fIndexRecTracks[fMCInfo->fLabel*4]);
1275 track= (AliESDtrack*)fEvent->GetTrack(fIndexRecTracks[fMCInfo->fLabel*20]);
ae7d73d2 1276 //
1277 //
1278 // find nearest track if multifound
51ad6848 1279 //Int_t sign = Int_t(track->GetSign()*fMCInfo->fCharge);
1280 //
1281 Int_t status = 0;
1282 if ((track->GetStatus()&AliESDtrack::kITSrefit)>0) status++;
1283 if ((track->GetStatus()&AliESDtrack::kTPCrefit)>0) status++;
1284 if ((track->GetStatus()&AliESDtrack::kTRDrefit)>0) status++;
1285
1286 //
1287 if (fIndexRecTracks[fMCInfo->fLabel*20+1]>0){
1288 //
1289 Double_t p[3];
1290 track->GetInnerPxPyPz(p);
1291 Float_t maxp = p[0]*p[0]+p[1]*p[1]+p[2]*p[2];
1292 //
1293 for (Int_t i=1;i<20;i++){
1294 if (fIndexRecTracks[fMCInfo->fLabel*20+i]>=0){
1295 AliESDtrack * track2 = (AliESDtrack*)fEvent->GetTrack(fIndexRecTracks[fMCInfo->fLabel*20+i]);
1296 if (!track2) continue;
1297 //Int_t sign2 = track->GetSign()*fMCInfo->fCharge; //
1298 //if (sign2<0) continue;
1299 track2->GetInnerPxPyPz(p);
1300 Float_t mom = p[0]*p[0]+p[1]*p[1]+p[2]*p[2];
1301 /*
1302 if (sign<0){
1303 sign = sign2;
1304 track = track2;
1305 maxp = mom;
1306 continue;
1307 }
1308 */
1309 //
1310 Int_t status2 = 0;
1311 if ((track2->GetStatus()&AliESDtrack::kITSrefit)>0) status2++;
1312 if ((track2->GetStatus()&AliESDtrack::kTPCrefit)>0) status2++;
1313 if ((track2->GetStatus()&AliESDtrack::kTRDrefit)>0) status2++;
1314 if (status2<status) continue;
1315 //
1316 if (mom<maxp) continue;
1317 maxp = mom;
1318 track = track2;
1319 //
ae7d73d2 1320 }
1321 }
1322 }
1323 //
1324 fRecInfo->fESDTrack =*track;
1325 if (track->GetITStrack())
51ad6848 1326 fRecInfo->fITStrack = *((AliITStrackMI*)track->GetITStrack());
81e97e0d 1327 else{
1328 fRecInfo->fITStrack = *track;
1329 }
ae7d73d2 1330 if (track->GetTRDtrack()){
1331 fRecInfo->fTRDtrack = *((AliTRDtrack*)track->GetTRDtrack());
1332 }
1333 else{
1334 fRecInfo->fTRDtrack.SetdEdx(-1);
1335 }
1336 fRecInfo->fReconstructed = 1;
1337 fRecInfo->fFake = fFakeRecTracks[fMCInfo->fLabel];
1338 fRecInfo->fMultiple = fMultiRecTracks[fMCInfo->fLabel];
1339 //
1340 fRecInfo->Update(fMCInfo,fParamTPC,kTRUE);
1341 }
1342 else{
1343 fRecInfo->Update(fMCInfo,fParamTPC,kFALSE);
1344 }
51ad6848 1345 fRecArray->AddAt(new AliESDRecInfo(*fRecInfo),fMCInfo->fLabel);
ae7d73d2 1346 fTreeCmp->Fill();
1347 }
1348 fTreeCmp->AutoSave();
51ad6848 1349 //fTracks->Delete();
ae7d73d2 1350 printf("Time spended in TreeGenLoop\n");
1351 timer.Print();
1352 if (fDebug > 2) cerr<<"end of TreeGenLoop"<<endl;
1353
1354 return 0;
1355}
51ad6848 1356
1357
1358
1359////////////////////////////////////////////////////////////////////////
1360////////////////////////////////////////////////////////////////////////
1361////////////////////////////////////////////////////////////////////////
1362Int_t ESDCmpTr::BuildKinkInfo0(Int_t eventNr)
1363{
1364//
1365// loop over all entries for a given event, find corresponding
1366// rec. track and store in the fTreeCmp
1367//
1368 TStopwatch timer;
1369 timer.Start();
1370 Int_t entry = fNextKinkToRead;
1371 Double_t nParticlesTR = fTreeGenKinks->GetEntriesFast();
1372 cerr<<"fNParticles, nParticlesTR, fNextKinkToRead: "<<fNParticles<<" "
1373 <<nParticlesTR<<" "<<fNextKinkToRead<<endl;
1374 //
1375 TBranch * branch = fTreeCmpKinks->GetBranch("RC.");
1376 branch->SetAddress(&fRecKinkInfo); // set all pointers
1377
1378 //
1379 while (entry < nParticlesTR) {
1380 fTreeGenKinks->GetEntry(entry);
1381 entry++;
1382 if (eventNr < fGenKinkInfo->fMCm.fEventNr) continue;
1383 if (eventNr > fGenKinkInfo->fMCm.fEventNr) continue;;
1384 //
1385 fNextKinkToRead = entry-1;
1386 //
1387 //
1388 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(fGenKinkInfo->fMCm.fLabel);
1389 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(fGenKinkInfo->fMCd.fLabel);
1390 fRecKinkInfo->fT1 = (*fRecInfo1);
1391 fRecKinkInfo->fT2 = (*fRecInfo2);
1392 fRecKinkInfo->fStatus =0;
1393 if (fRecInfo1 && fRecInfo1->fTPCOn) fRecKinkInfo->fStatus+=1;
1394 if (fRecInfo2 && fRecInfo2->fTPCOn) fRecKinkInfo->fStatus+=2;
1395 if (fRecKinkInfo->fStatus==3&&fRecInfo1->fSign!=fRecInfo2->fSign) fRecKinkInfo->fStatus*=-1;
1396
1397 if (fRecKinkInfo->fStatus==3){
1398 fRecKinkInfo->Update();
1399 }
1400 Int_t label = TMath::Min(fGenKinkInfo->fMCm.fLabel,fGenKinkInfo->fMCd.fLabel);
1401 Int_t label2 = TMath::Max(fGenKinkInfo->fMCm.fLabel,fGenKinkInfo->fMCd.fLabel);
1402
1403 AliESDkink *kink=0;
1404 fRecKinkInfo->fRecStatus =0;
1405 fRecKinkInfo->fMultiple = fMultiRecKinks[label];
1406 fRecKinkInfo->fKinkMultiple=0;
1407 //
1408 if (fMultiRecKinks[label]>0){
1409
1410 // for (Int_t j=0;j<TMath::Min(fMultiRecKinks[label],100);j++){
f007cb5f 1411 for (Int_t j=TMath::Min(fMultiRecKinks[label],Short_t(20))-1;j>=0;j--){
51ad6848 1412 Int_t index = fIndexRecKinks[label*20+j];
1413 //AliESDkink *kink2 = (AliESDkink*)fKinks->At(index);
1414 AliESDkink *kink2 = (AliESDkink*)fEvent->GetKink(index);
1415 if (TMath::Abs(kink2->fLab[0])==label &&TMath::Abs(kink2->fLab[1])==label2) {
51ad6848 1416 fRecKinkInfo->fKinkMultiple++;
1417 fSignedKinks[index]=1;
f007cb5f 1418 Int_t c0=0;
1419 if (kink){
1420 // if (kink->fTRDOn) c0++;
1421 //if (kink->fITSOn) c0++;
1422 if (kink->GetStatus(2)>0) c0++;
1423 if (kink->GetStatus(0)>0) c0++;
1424 }
1425 Int_t c2=0;
1426 // if (kink2->fTRDOn) c2++;
1427 //if (kink2->fITSOn) c2++;
1428 if (kink2->GetStatus(2)>0) c2++;
1429 if (kink2->GetStatus(0)>0) c2++;
1430
1431 if (c2<c0) continue;
1432 kink =kink2;
51ad6848 1433 }
1434 if (TMath::Abs(kink2->fLab[1])==label &&TMath::Abs(kink2->fLab[0])==label2) {
51ad6848 1435 fRecKinkInfo->fKinkMultiple++;
1436 fSignedKinks[index]=1;
f007cb5f 1437 Int_t c0=0;
1438 if (kink){
1439 //if (kink->fTRDOn) c0++;
1440 //if (kink->fITSOn) c0++;
1441 if (kink->GetStatus(2)>0) c0++;
1442 if (kink->GetStatus(0)>0) c0++;
1443
1444 }
1445 Int_t c2=0;
1446 // if (kink2->fTRDOn) c2++;
1447 //if (kink2->fITSOn) c2++;
1448 if (kink2->GetStatus(2)>0) c2++;
1449 if (kink2->GetStatus(0)>0) c2++;
1450
1451 if (c2<c0) continue;
1452 kink =kink2;
51ad6848 1453 }
1454 }
1455 }
1456 if (kink){
1457 fRecKinkInfo->fKink = *kink;
1458 fRecKinkInfo->fRecStatus=1;
1459 }
1460 fTreeCmpKinks->Fill();
1461 }
1462 // Int_t nkinks = fKinks->GetEntriesFast();
1463 Int_t nkinks = fEvent->GetNumberOfKinks();
1464 for (Int_t i=0;i<nkinks;i++){
1465 if (fSignedKinks[i]==0){
1466 // AliESDkink *kink = (AliESDkink*)fKinks->At(i);
1467 AliESDkink *kink = (AliESDkink*)fEvent->GetKink(i);
1468 if (!kink) continue;
1469 //
1470 fRecKinkInfo->fKink = *kink;
1471 fRecKinkInfo->fRecStatus =-2;
1472 //
1473 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(kink->fLab[0]));
1474 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(kink->fLab[1]));
1475 if (fRecInfo1 && fRecInfo2){
1476 fRecKinkInfo->fT1 = (*fRecInfo1);
1477 fRecKinkInfo->fT2 = (*fRecInfo2);
1478 fRecKinkInfo->fRecStatus =-1;
1479 }
1480 fTreeCmpKinks->Fill();
1481 }
1482 }
1483
1484
1485 fTreeCmpKinks->AutoSave();
1486 printf("Time spended in BuilKinkInfo Loop\n");
1487 timer.Print();
1488 if (fDebug > 2) cerr<<"end of BuildKinkInfo Loop"<<endl;
1489 return 0;
1490}
1491
f007cb5f 1492
1493
1494void ESDCmpTr::MakePoints(AliESDtrack * track, AliPointsMI &points)
1495{
1496 //
1497 // make points in global coordinate frame
1498 //
1499 return;
1500 /*
1501 UInt_t itscl[10];
1502 Int_t nits = track->GetITSclusters(itscl);
1503 Int_t tpccl[1000];
1504 Int_t ntpc = track->GetTPcclusters(tpccl);
1505 UInt_t trdcl[1000];
1506 Int_t ntrd = track->GetTRDclusters(trdcl);
1507 //
1508 AliLoader *itsloader = fLoader->GetLoader("ITSLoader");
1509 AliLoader *tpcloader = fLoader->GetLoader("TPCLoader");
1510 AliLoader *trdloader = fLoader->GetLoader("TRDLoader");
1511 //
1512 AliITStrackerMI itstracker();
1513 */
1514}
1515
1516
51ad6848 1517////////////////////////////////////////////////////////////////////////
1518////////////////////////////////////////////////////////////////////////
1519////////////////////////////////////////////////////////////////////////
1520
f007cb5f 1521
1522
51ad6848 1523Int_t ESDCmpTr::BuildV0Info(Int_t eventNr)
1524{
1525//
1526// loop over all entries for a given event, find corresponding
1527// rec. track and store in the fTreeCmp
1528//
1529 TStopwatch timer;
1530 timer.Start();
1531 Int_t entry = fNextV0ToRead;
1532 Double_t nParticlesTR = fTreeGenV0->GetEntriesFast();
1533 cerr<<"fNParticles, nParticlesTR, fNextV0ToRead: "<<fNParticles<<" "
1534 <<nParticlesTR<<" "<<fNextV0ToRead<<endl;
1535 //
1536 TBranch * branch = fTreeCmpV0->GetBranch("RC.");
1537 branch->SetAddress(&fRecV0Info); // set all pointers
1538 const AliESDVertex * esdvertex = fEvent->GetVertex();
1539 Float_t vertex[3]= {esdvertex->GetXv(), esdvertex->GetYv(),esdvertex->GetZv()};
1540
1541 //
1542 while (entry < nParticlesTR) {
1543 fTreeGenV0->GetEntry(entry);
1544 entry++;
1545 if (eventNr < fGenV0Info->fMCm.fEventNr) continue;
1546 if (eventNr > fGenV0Info->fMCm.fEventNr) continue;;
1547 //
1548 fNextV0ToRead = entry-1;
1549 //
1550 //
1551 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(fGenV0Info->fMCm.fLabel);
1552 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(fGenV0Info->fMCd.fLabel);
1553 if (fGenV0Info->fMCm.fCharge*fGenV0Info->fMCd.fCharge>0) continue; // interactions
1554 if (!fRecInfo1 || !fRecInfo2) continue;
1555 fRecV0Info->fT1 = (*fRecInfo1);
1556 fRecV0Info->fT2 = (*fRecInfo2);
1557 fRecV0Info->fV0Status =0;
1558 if (fRecInfo1 && fRecInfo1->fStatus[1]>0) fRecV0Info->fV0Status+=1;
1559 if (fRecInfo2 && fRecInfo2->fStatus[1]>0) fRecV0Info->fV0Status+=2;
1560
1561 if (fRecV0Info->fV0Status==3&&fRecInfo1->fSign==fRecInfo2->fSign) fRecV0Info->fV0Status*=-1;
1562
1563
1564 if (abs(fRecV0Info->fV0Status)==3){
1565 fRecV0Info->Update(vertex);
1566 {
1567 //
1568 // TPC V0 Info
1569 Double_t x,alpha, param[5],cov[15];
c0b978f0 1570 fRecV0Info->fT1.fESDTrack.GetInnerExternalParameters(alpha,x,param);
51ad6848 1571 fRecV0Info->fT1.fESDTrack.GetInnerExternalCovariance(cov);
51ad6848 1572 AliExternalTrackParam paramP(x,alpha,param,cov);
1573 //
c0b978f0 1574 fRecV0Info->fT2.fESDTrack.GetInnerExternalParameters(alpha,x,param);
51ad6848 1575 fRecV0Info->fT2.fESDTrack.GetInnerExternalCovariance(cov);
51ad6848 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 fRecV0Info->fT1.fESDTrack.GetExternalParameters(x,param);
1589 fRecV0Info->fT1.fESDTrack.GetExternalCovariance(cov);
1590 alpha = fRecV0Info->fT1.fESDTrack.GetAlpha();
1591 new (&paramP) AliExternalTrackParam(x,alpha,param,cov);
1592 //
1593 fRecV0Info->fT2.fESDTrack.GetExternalParameters(x,param);
1594 fRecV0Info->fT2.fESDTrack.GetExternalCovariance(cov);
1595 alpha = fRecV0Info->fT2.fESDTrack.GetAlpha();
1596 new (&paramM) AliExternalTrackParam(x,alpha,param,cov);
1597 //
1598 fRecV0Info->fV0its.SetM(paramM);
1599 fRecV0Info->fV0its.SetP(paramP);
1600 fRecV0Info->fV0its.UpdatePID(pid1,pid2);
1601 fRecV0Info->fV0its.Update(vertex);
1602
1603 }
1604 if (TMath::Abs(fGenV0Info->fMCm.fPdg)==11 &&TMath::Abs(fGenV0Info->fMCd.fPdg)==11){
1605 if (fRecV0Info->fDist2>10){
1606 fRecV0Info->Update(vertex);
1607 }
1608 if (fRecV0Info->fDist2>10){
1609 fRecV0Info->Update(vertex);
1610 }
1611 }
1612 }
1613 //
1614 // take the V0 from reconstruction
1615
1616 Int_t label = TMath::Min(fGenV0Info->fMCm.fLabel,fGenV0Info->fMCd.fLabel);
1617 Int_t label2 = TMath::Max(fGenV0Info->fMCm.fLabel,fGenV0Info->fMCd.fLabel);
1618 AliESDV0MI *v0MI=0;
1619 fRecV0Info->fRecStatus =0;
1620 fRecV0Info->fMultiple = fMultiRecV0[label];
1621 fRecV0Info->fV0Multiple=0;
1622 //
f007cb5f 1623 if (fMultiRecV0[label]>0 || fMultiRecV0[label2]>0){
51ad6848 1624
1625 // for (Int_t j=0;j<TMath::Min(fMultiRecV0s[label],100);j++){
f007cb5f 1626 for (Int_t j=TMath::Min(fMultiRecV0[label],Short_t(20))-1;j>=0;j--){
51ad6848 1627 Int_t index = fIndexRecV0[label*20+j];
e1eaa672 1628 if (index<0) continue;
51ad6848 1629 AliESDV0MI *v0MI2 = fEvent->GetV0MI(index);
1630 if (TMath::Abs(v0MI2->fLab[0])==label &&TMath::Abs(v0MI2->fLab[1])==label2) {
1631 v0MI =v0MI2;
1632 fRecV0Info->fV0Multiple++;
1633 fSignedV0[index]=1;
1634 }
1635 if (TMath::Abs(v0MI2->fLab[1])==label &&TMath::Abs(v0MI2->fLab[0])==label2) {
1636 v0MI =v0MI2;
1637 fRecV0Info->fV0Multiple++;
1638 fSignedV0[index]=1;
1639 }
1640 }
1641 }
1642 if (v0MI){
1643 fRecV0Info->fV0rec = *v0MI;
1644 fRecV0Info->fRecStatus=1;
1645 }
1646
1647 fTreeCmpV0->Fill();
1648 }
1649 //
1650 // write fake v0s
1651
1652 Int_t nV0MIs = fEvent->GetNumberOfV0MIs();
1653 for (Int_t i=0;i<nV0MIs;i++){
1654 if (fSignedV0[i]==0){
1655 AliESDV0MI *v0MI = fEvent->GetV0MI(i);
1656 if (!v0MI) continue;
1657 //
1658 fRecV0Info->fV0rec = *v0MI;
1659 fRecV0Info->fV0Status =-10;
1660 fRecV0Info->fRecStatus =-2;
1661 //
1662 AliESDRecInfo* fRecInfo1 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(v0MI->fLab[0]));
1663 AliESDRecInfo* fRecInfo2 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(v0MI->fLab[1]));
1664 if (fRecInfo1 && fRecInfo2){
1665 fRecV0Info->fT1 = (*fRecInfo1);
1666 fRecV0Info->fT2 = (*fRecInfo2);
1667 fRecV0Info->fRecStatus =-1;
1668 }
f007cb5f 1669 fRecV0Info->Update(vertex);
51ad6848 1670 fTreeCmpV0->Fill();
1671 }
1672 }
1673
1674
1675
1676 fTreeCmpV0->AutoSave();
1677 fRecArray->Delete();
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