[u/mrichter/AliRoot.git] / HBTAN / AliHBTReaderPPprod.cxx

#include "AliHBTReaderPPprod.h"

#include <Riostream.h>
#include <Riostream.h>
#include <TString.h>
#include <TTree.h>
#include <TFile.h>

#include <AliTPCtrack.h>
#include <AliTPCParam.h>
#include <AliTPCtracker.h>

#include "AliRun.h"
#include "AliHBTRun.h"
#include "AliHBTEvent.h"
#include "AliHBTParticle.h"
#include "AliHBTParticleCut.h"


ClassImp(AliHBTReaderPPprod)

AliHBTReaderPPprod::
 AliHBTReaderPPprod(const Char_t* trackfilename,const Char_t* clusterfilename,
                 const Char_t* goodtracksfilename,const Char_t* galicefilename):
                 fTrackFileName(trackfilename),fClusterFileName(clusterfilename),
                 fGAliceFileName(galicefilename),
                 fGoodTPCTracksFileName(goodtracksfilename)
{
  //constructor, only file names are set
  //Defaults:
  //  trackfilename = "AliTPCtracks.root"
  //  clusterfilename = "AliTPCclusters.root"
  //  goodtracksfilename = "good_tracks_tpc"
  //  galicefilename = ""  - this means: Do not open gAlice file - 
  //                         just leave the global pointer untached
  
  fParticles = new AliHBTRun();
  fTracks    = new AliHBTRun();

  fTracksFile   = 0x0;  //files are opened during reading only
  fClustersFile = 0x0;
  
  fIsRead = kFALSE;
}
/********************************************************************/

AliHBTReaderPPprod::~AliHBTReaderPPprod()
 {
   delete fParticles;
   delete fTracks;
 }
/********************************************************************/

AliHBTEvent* AliHBTReaderPPprod::GetParticleEvent(Int_t n)
 {
 //returns Nth event with simulated particles
   if (!fIsRead) Read(fParticles,fTracks);
   return fParticles->GetEvent(n);
 }
/********************************************************************/
AliHBTEvent* AliHBTReaderPPprod::GetTrackEvent(Int_t n)
 {
 //returns Nth event with reconstructed tracks
   if (!fIsRead) Read(fParticles,fTracks);
   return fTracks->GetEvent(n);
 }
/********************************************************************/

Int_t AliHBTReaderPPprod::GetNumberOfPartEvents()
 {
 //returns number of events of particles
   if (!fIsRead) Read(fParticles,fTracks);
   return fParticles->GetNumberOfEvents();
 }

/********************************************************************/
Int_t AliHBTReaderPPprod::GetNumberOfTrackEvents()
 {
 //returns number of events of tracks
  if (!fIsRead) Read(fParticles,fTracks);
  return fTracks->GetNumberOfEvents();
 }
/********************************************************************/


Int_t AliHBTReaderPPprod::Read(AliHBTRun* particles, AliHBTRun *tracks)
 {
 //reads data and puts put to the particles and tracks objects
 //reurns 0 if everything is OK
 //
  Int_t i; //iterator and some temprary values
  Int_t Nevents;
  if (!particles) //check if an object is instatiated
   {
     Error("AliHBTReaderPPprod::Read"," particles object must instatiated before passing it to the reader");
   }
  if (!tracks)  //check if an object is instatiated
   {
     Error("AliHBTReaderPPprod::Read"," tracks object must instatiated before passing it to the reader");
   }
  particles->Reset();//clear runs == delete all old events
  tracks->Reset();
    
  if( (i=OpenFiles()) )
   {
     Error("AliHBTReaderPPprod::Read","Exiting due to problems with opening files. Errorcode %d",i);
     return i;
   }
  
  AliGoodTracksPP *goodTPCTracks = new AliGoodTracksPP(fGoodTPCTracksFileName);
  if (!goodTPCTracks)
   {
     Error("AliHBTReaderPPprod::Read","Exiting due to problems with opening files. Errorcode %d",i);
     return 1;
   }

  Nevents = 100;

  fClustersFile->cd();
  AliTPCParam *TPCParam= (AliTPCParam*)fClustersFile->Get("75x40_100x60");
  if (!TPCParam) 
    { 
     Error("AliHBTReaderPPprod::Read","TPC parameters have not been found !\n");
     return 1;
    }

  TObjArray *tarray = new TObjArray(5000);
  tarray->SetOwner();//  this causes memory leak, but in some cases deleting is infinite loop
  
 
  for(Int_t currentEvent =0; currentEvent<Nevents;currentEvent++)
   {
     cout<<"Reading Event "<<currentEvent<<endl;
     /**************************************/
      /**************************************/
       /**************************************/ 
         fTracksFile->cd();
         Char_t  treename[100];
         sprintf(treename,"TreeT_TPC_%d",currentEvent);
   
         TTree *tracktree=0;
         
         tracktree=(TTree*)fTracksFile->Get(treename);
         if (!tracktree) 
          {
            Error("AliHBTReaderPPprod::Read","Can't get a tree with TPC tracks !\n"); 
            return 1;
          }
   
         TBranch *trackbranch=tracktree->GetBranch("tracks");
         if (!trackbranch) 
          {
            Error("AliHBTReaderPPprod::Read","Can't get a branch with TPC tracks !\n"); 
            return 2;
          }
         Int_t NTPCtracks=(Int_t)tracktree->GetEntries();
         cout<<"Found "<<NTPCtracks<<" TPC tracks.\n";
         //Copy tracks to array
         
         AliTPCtrack *iotrack=0;
         
         fClustersFile->cd();
       //AliTPCtracker *tracker=new AliTPCtracker(TPCParam,currentEvent);//I.B.
       AliTPCtracker *tracker=new AliTPCtracker(TPCParam);               //I.B.
       tracker->SetEventNumber(currentEvent);                            //I.B.
         if (!tracker) 
          {
            Error("AliHBTReaderPPprod::Read","Can't get a tracker !\n"); 
            return 3;
          }
         //tracker->LoadInnerSectors(); //I.B.
         //tracker->LoadOuterSectors(); //I.B.
         tracker->LoadClusters();     //I.B.
   
         for (i=0; i<NTPCtracks; i++)
          {
            iotrack=new AliTPCtrack;
            trackbranch->SetAddress(&iotrack);
            tracktree->GetEvent(i);
            tracker->CookLabel(iotrack,0.1);
            tarray->AddLast(iotrack);
          }
        
         
         fTracksFile->Delete(treename);//delete tree from memmory (and leave untached on disk)- we do not need it any more
         fTracksFile->Delete("tracks");
         
         delete tracker;
         
         tracker = 0x0;
         trackbranch = 0x0;
         tracktree = 0x0;

         Int_t & ngood = goodTPCTracks->fGoodInEvent[currentEvent];
   
         Double_t xk;
         Double_t par[5];
         Float_t phi, lam, pt;
         Int_t label;
         Bool_t found;
   
         for (i=0; i<ngood; i++)
          { 
            const struct GoodTrack & gt = goodTPCTracks->GetTrack(currentEvent,i);
            
            if(Pass(gt.code)) continue;
            
            label = gt.lab;
            found = kFALSE; //guard in case we don't find track with such a label
            for (Int_t j=0;j<NTPCtracks;j++)
              {
                iotrack = (AliTPCtrack*)tarray->At(j);
                if (iotrack->GetLabel() == label) 
                  {
                    found = kTRUE;
                    break;
                  }
              }  
            if(!found) 
              {
                Warning("Read",
                "Sth is going wrong with tracks - there is no TPC track corresponding to goodtrack.\nGood tack label %d",label);
                continue; //put comunicate on the screen and continue loop
              }
        
            Double_t mass = TDatabasePDG::Instance()->GetParticle(gt.code)->Mass();
            Double_t pEtot = TMath::Sqrt(gt.px*gt.px + gt.py*gt.py + gt.pz*gt.pz + mass*mass);
            
            AliHBTParticle* part = new AliHBTParticle(gt.code, gt.px, gt.py, gt.pz, pEtot, gt.x, gt.y, gt.z, 0.0);
            if(Pass(part)) continue;
            
         
            iotrack->PropagateTo(gt.x);
            iotrack->GetExternalParameters(xk,par);
            phi=TMath::ASin(par[2]) + iotrack->GetAlpha();
            if (phi<-TMath::Pi()) phi+=2*TMath::Pi();
            if (phi>=TMath::Pi()) phi-=2*TMath::Pi();
            lam=par[3]; 
            pt=1.0/TMath::Abs(par[4]);
            
            Double_t tpx = pt * TMath::Cos(phi); //track x coordinate of momentum
            Double_t tpy = pt * TMath::Sin(phi); //track x coordinate of momentum
            Double_t tpz = pt * lam;
            
            Double_t tEtot = TMath::Sqrt( tpx*tpx + tpy*tpy + tpz*tpz + mass*mass);
            
            AliHBTParticle* track = new AliHBTParticle(gt.code, tpx, tpy , tpz, tEtot, 0., 0., 0., 0.);
            if(Pass(track)) continue;
            
            particles->AddParticle(currentEvent,part);
            tracks->AddParticle(currentEvent,track);

          }
         tarray->Clear();
       /**************************************/
      /**************************************/
     /**************************************/  
   }
  
  CloseFiles();
  delete tarray;
  delete goodTPCTracks;
  fIsRead = kTRUE;
  return 0;
 }

/********************************************************************/
Int_t AliHBTReaderPPprod::OpenFiles()
{
 
   fTracksFile = 0;
   fTracksFile=TFile::Open("AliTPCtracks.root");
   if (!fTracksFile->IsOpen()) 
     {
       Error("AliHBTReaderPPprod::OpenFiles","Can't open AliTPCtracks.root");
       return 1;
     }
   
   fClustersFile = 0;
   
   fClustersFile=TFile::Open("AliTPCclusters.root");
   if (!fClustersFile->IsOpen()) 
    {
      Error("AliHBTReaderPPprod::OpenFiles","Can't open AliTPCclusters.root");
      return 2;
    }

    
 return 0; 
}
  

/********************************************************************/
  
void AliHBTReaderPPprod::CloseFiles()
{
  fTracksFile->Close();
  fClustersFile->Close();
}

/********************************************************************/

/********************************************************************/
/********************************************************************/
/********************************************************************/


AliGoodTracksPP::~AliGoodTracksPP()
{
 delete [] fGoodInEvent;
 for (Int_t i = 0;i<fNevents;i++)
   delete [] fData[i];
 delete [] fData;
}
/********************************************************************/
AliGoodTracksPP::AliGoodTracksPP(const TString& infilename)
{

  fNevents = 100;
  ifstream in(infilename.Data());

  if(!in)
    {
      cerr<<"Can not open file with Good TPC Tracks named:"<<infilename.Data()<<endl;
      delete this;
      return;
    }

  
  fGoodInEvent = new Int_t[fNevents];
  fData = new struct GoodTrack* [fNevents];

  Int_t i;
  for( i = 0;i<fNevents;i++)
   {
    fGoodInEvent[i] =0;
    fData[i] = new struct GoodTrack[500];
   }
  Float_t tmp;
  Int_t evno;
  while(in>>evno)
   {
    if(fGoodInEvent[evno]>=500)
     {
      cerr<<"AliGoodTracksPP::AliGoodTracksPP() : Not enough place in the array\n";
      continue;
     }
    in>>fData[evno][fGoodInEvent[evno]].lab;
    in>>fData[evno][fGoodInEvent[evno]].code;
    in>>fData[evno][fGoodInEvent[evno]].px;
    in>>fData[evno][fGoodInEvent[evno]].py;
    in>>fData[evno][fGoodInEvent[evno]].pz;
    in>>fData[evno][fGoodInEvent[evno]].x;
    in>>fData[evno][fGoodInEvent[evno]].y;
    in>>fData[evno][fGoodInEvent[evno]].z;
    
    in>>tmp;
    in>>tmp;
    in>>tmp;
    
 /* cout<<evno<<" ";
  cout<<fData[evno][fGoodInEvent[evno]].lab;
  cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].code;
  cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].px;
  cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].py;
  cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].pz;
  cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].x;
  cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].y;
  cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].z;
  cout<<"\n";
 */ 
  fGoodInEvent[evno]++;
 }
 in.close();
 cout<<"AliGoodTracksPP::AliGoodTracksPP()  ....  Done\n";
}


const GoodTrack& AliGoodTracksPP::GetTrack(Int_t event, Int_t n) const
 {
  
  if( (event>fNevents) || (event<0))
   {
     gAlice->Fatal("AliGoodTracksPP::GetTrack","No such Event %d",event);
   }
  if( (n>fGoodInEvent[event]) || (n<0))
   {
     gAlice->Fatal("AliGoodTracksPP::GetTrack","No such Good TPC Track %d",n);
   }
  return fData[event][n];

 }
Commit	Line	Data
1b446896	1	#include "AliHBTReaderPPprod.h"
1b446896	2
d0c23b58	3	#include <Riostream.h>
d0c23b58	4	#include <Riostream.h>
1b446896	5	#include <TString.h>
	6	#include <TTree.h>
	7	#include <TFile.h>
	8
	9	#include <AliTPCtrack.h>
	10	#include <AliTPCParam.h>
	11	#include <AliTPCtracker.h>
	12
	13	#include "AliRun.h"
	14	#include "AliHBTRun.h"
	15	#include "AliHBTEvent.h"
	16	#include "AliHBTParticle.h"
	17	#include "AliHBTParticleCut.h"
	18
	19
	20	ClassImp(AliHBTReaderPPprod)
	21
	22	AliHBTReaderPPprod::
	23	AliHBTReaderPPprod(const Char_t* trackfilename,const Char_t* clusterfilename,
	24	const Char_t* goodtracksfilename,const Char_t* galicefilename):
	25	fTrackFileName(trackfilename),fClusterFileName(clusterfilename),
	26	fGAliceFileName(galicefilename),
	27	fGoodTPCTracksFileName(goodtracksfilename)
	28	{
	29	//constructor, only file names are set
	30	//Defaults:
	31	// trackfilename = "AliTPCtracks.root"
	32	// clusterfilename = "AliTPCclusters.root"
	33	// goodtracksfilename = "good_tracks_tpc"
	34	// galicefilename = "" - this means: Do not open gAlice file -
	35	// just leave the global pointer untached
	36
	37	fParticles = new AliHBTRun();
	38	fTracks = new AliHBTRun();
	39
	40	fTracksFile = 0x0; //files are opened during reading only
	41	fClustersFile = 0x0;
	42
	43	fIsRead = kFALSE;
	44	}
	45	/********************************************************************/
	46
	47	AliHBTReaderPPprod::~AliHBTReaderPPprod()
	48	{
	49	delete fParticles;
	50	delete fTracks;
	51	}
	52	/********************************************************************/
	53
	54	AliHBTEvent* AliHBTReaderPPprod::GetParticleEvent(Int_t n)
	55	{
	56	//returns Nth event with simulated particles
	57	if (!fIsRead) Read(fParticles,fTracks);
	58	return fParticles->GetEvent(n);
	59	}
	60	/********************************************************************/
	61	AliHBTEvent* AliHBTReaderPPprod::GetTrackEvent(Int_t n)
	62	{
	63	//returns Nth event with reconstructed tracks
	64	if (!fIsRead) Read(fParticles,fTracks);
	65	return fTracks->GetEvent(n);
	66	}
	67	/********************************************************************/
	68
69	Int_t AliHBTReaderPPprod::GetNumberOfPartEvents()
70	{
71	//returns number of events of particles
72	if (!fIsRead) Read(fParticles,fTracks);
73	return fParticles->GetNumberOfEvents();
74	}
75
76	/********************************************************************/
77	Int_t AliHBTReaderPPprod::GetNumberOfTrackEvents()
78	{
79	//returns number of events of tracks
80	if (!fIsRead) Read(fParticles,fTracks);
81	return fTracks->GetNumberOfEvents();
82	}
83	/********************************************************************/
84
85
86	Int_t AliHBTReaderPPprod::Read(AliHBTRun* particles, AliHBTRun *tracks)
87	{
88	//reads data and puts put to the particles and tracks objects
89	//reurns 0 if everything is OK
90	//
91	Int_t i; //iterator and some temprary values
92	Int_t Nevents;
93	if (!particles) //check if an object is instatiated
94	{
95	Error("AliHBTReaderPPprod::Read"," particles object must instatiated before passing it to the reader");
96	}
97	if (!tracks) //check if an object is instatiated
98	{
99	Error("AliHBTReaderPPprod::Read"," tracks object must instatiated before passing it to the reader");
100	}
101	particles->Reset();//clear runs == delete all old events
102	tracks->Reset();
103
104	if( (i=OpenFiles()) )
105	{
106	Error("AliHBTReaderPPprod::Read","Exiting due to problems with opening files. Errorcode %d",i);
107	return i;
108	}
109
110	AliGoodTracksPP *goodTPCTracks = new AliGoodTracksPP(fGoodTPCTracksFileName);
111	if (!goodTPCTracks)
112	{
113	Error("AliHBTReaderPPprod::Read","Exiting due to problems with opening files. Errorcode %d",i);
114	return 1;
115	}
116
117	Nevents = 100;
118
119	fClustersFile->cd();
120	AliTPCParam TPCParam= (AliTPCParam)fClustersFile->Get("75x40_100x60");
121	if (!TPCParam)
122	{
123	Error("AliHBTReaderPPprod::Read","TPC parameters have not been found !\n");
124	return 1;
125	}
126
127	TObjArray *tarray = new TObjArray(5000);
128	tarray->SetOwner();// this causes memory leak, but in some cases deleting is infinite loop
129
130
131	for(Int_t currentEvent =0; currentEvent<Nevents;currentEvent++)
132	{
133	cout<<"Reading Event "<<currentEvent<<endl;
134	/**************************************/
135	/**************************************/
136	/**************************************/
137	fTracksFile->cd();
138	Char_t treename[100];
139	sprintf(treename,"TreeT_TPC_%d",currentEvent);
140
141	TTree *tracktree=0;
142
143	tracktree=(TTree*)fTracksFile->Get(treename);
144	if (!tracktree)
145	{
146	Error("AliHBTReaderPPprod::Read","Can't get a tree with TPC tracks !\n");
147	return 1;
148	}
149
150	TBranch *trackbranch=tracktree->GetBranch("tracks");
151	if (!trackbranch)
152	{
153	Error("AliHBTReaderPPprod::Read","Can't get a branch with TPC tracks !\n");
154	return 2;
155	}
156	Int_t NTPCtracks=(Int_t)tracktree->GetEntries();
157	cout<<"Found "<<NTPCtracks<<" TPC tracks.\n";
158	//Copy tracks to array
159
160	AliTPCtrack *iotrack=0;
161
162	fClustersFile->cd();
61ab8ea8	163	//AliTPCtracker *tracker=new AliTPCtracker(TPCParam,currentEvent);//I.B.
	164	AliTPCtracker *tracker=new AliTPCtracker(TPCParam); //I.B.
	165	tracker->SetEventNumber(currentEvent); //I.B.
1b446896	166	if (!tracker)
	167	{
	168	Error("AliHBTReaderPPprod::Read","Can't get a tracker !\n");
	169	return 3;
	170	}
61ab8ea8	171	//tracker->LoadInnerSectors(); //I.B.
	172	//tracker->LoadOuterSectors(); //I.B.
	173	tracker->LoadClusters(); //I.B.
1b446896	174
	175	for (i=0; i<NTPCtracks; i++)
	176	{
	177	iotrack=new AliTPCtrack;
	178	trackbranch->SetAddress(&iotrack);
	179	tracktree->GetEvent(i);
	180	tracker->CookLabel(iotrack,0.1);
	181	tarray->AddLast(iotrack);
	182	}
	183
	184
	185	fTracksFile->Delete(treename);//delete tree from memmory (and leave untached on disk)- we do not need it any more
	186	fTracksFile->Delete("tracks");
	187
	188	delete tracker;
	189
	190	tracker = 0x0;
	191	trackbranch = 0x0;
	192	tracktree = 0x0;
	193
	194	Int_t & ngood = goodTPCTracks->fGoodInEvent[currentEvent];
	195
	196	Double_t xk;
	197	Double_t par[5];
	198	Float_t phi, lam, pt;
	199	Int_t label;
	200	Bool_t found;
	201
	202	for (i=0; i<ngood; i++)
	203	{
	204	const struct GoodTrack & gt = goodTPCTracks->GetTrack(currentEvent,i);
	205
	206	if(Pass(gt.code)) continue;
	207
	208	label = gt.lab;
	209	found = kFALSE; //guard in case we don't find track with such a label
	210	for (Int_t j=0;j<NTPCtracks;j++)
	211	{
	212	iotrack = (AliTPCtrack*)tarray->At(j);
	213	if (iotrack->GetLabel() == label)
	214	{
	215	found = kTRUE;
	216	break;
	217	}
	218	}
	219	if(!found)
	220	{
	221	Warning("Read",
	222	"Sth is going wrong with tracks - there is no TPC track corresponding to goodtrack.\nGood tack label %d",label);
	223	continue; //put comunicate on the screen and continue loop
	224	}
	225
	226	Double_t mass = TDatabasePDG::Instance()->GetParticle(gt.code)->Mass();
	227	Double_t pEtot = TMath::Sqrt(gt.pxgt.px + gt.pygt.py + gt.pzgt.pz + massmass);
	228
	229	AliHBTParticle* part = new AliHBTParticle(gt.code, gt.px, gt.py, gt.pz, pEtot, gt.x, gt.y, gt.z, 0.0);
	230	if(Pass(part)) continue;
	231
	232
	233	iotrack->PropagateTo(gt.x);
	234	iotrack->GetExternalParameters(xk,par);
	235	phi=TMath::ASin(par[2]) + iotrack->GetAlpha();
	236	if (phi<-TMath::Pi()) phi+=2*TMath::Pi();
	237	if (phi>=TMath::Pi()) phi-=2*TMath::Pi();
238	lam=par[3];
239	pt=1.0/TMath::Abs(par[4]);
240
241	Double_t tpx = pt * TMath::Cos(phi); //track x coordinate of momentum
242	Double_t tpy = pt * TMath::Sin(phi); //track x coordinate of momentum
243	Double_t tpz = pt * lam;
244
245	Double_t tEtot = TMath::Sqrt( tpxtpx + tpytpy + tpztpz + massmass);
246
247	AliHBTParticle* track = new AliHBTParticle(gt.code, tpx, tpy , tpz, tEtot, 0., 0., 0., 0.);
248	if(Pass(track)) continue;
249
250	particles->AddParticle(currentEvent,part);
251	tracks->AddParticle(currentEvent,track);
252
253	}
254	tarray->Clear();
255	/**************************************/
256	/**************************************/
257	/**************************************/
258	}
259
260	CloseFiles();
261	delete tarray;
262	delete goodTPCTracks;
263	fIsRead = kTRUE;
264	return 0;
265	}
266
267	/********************************************************************/
268	Int_t AliHBTReaderPPprod::OpenFiles()
269	{
270
271	fTracksFile = 0;
272	fTracksFile=TFile::Open("AliTPCtracks.root");
273	if (!fTracksFile->IsOpen())
274	{
275	Error("AliHBTReaderPPprod::OpenFiles","Can't open AliTPCtracks.root");
276	return 1;
277	}
278
279	fClustersFile = 0;
280
281	fClustersFile=TFile::Open("AliTPCclusters.root");
282	if (!fClustersFile->IsOpen())
283	{
284	Error("AliHBTReaderPPprod::OpenFiles","Can't open AliTPCclusters.root");
285	return 2;
286	}
287
288
289
290	return 0;
291	}
292
293
294
295	/********************************************************************/
296
297	void AliHBTReaderPPprod::CloseFiles()
298	{
299	fTracksFile->Close();
300	fClustersFile->Close();
301	}
302
303	/********************************************************************/
304
305	/********************************************************************/
306	/********************************************************************/
307	/********************************************************************/
308
309
310	AliGoodTracksPP::~AliGoodTracksPP()
311	{
312	delete [] fGoodInEvent;
313	for (Int_t i = 0;i<fNevents;i++)
314	delete [] fData[i];
315	delete [] fData;
316	}
317	/********************************************************************/
318	AliGoodTracksPP::AliGoodTracksPP(const TString& infilename)
319	{
320
321	fNevents = 100;
322	ifstream in(infilename.Data());
323
324	if(!in)
325	{
326	cerr<<"Can not open file with Good TPC Tracks named:"<<infilename.Data()<<endl;
327	delete this;
328	return;
329	}
330
331
332	fGoodInEvent = new Int_t[fNevents];
333	fData = new struct GoodTrack* [fNevents];
334
335	Int_t i;
336	for( i = 0;i<fNevents;i++)
337	{
338	fGoodInEvent[i] =0;
339	fData[i] = new struct GoodTrack[500];
340	}
341	Float_t tmp;
342	Int_t evno;
343	while(in>>evno)
344	{
345	if(fGoodInEvent[evno]>=500)
346	{
347	cerr<<"AliGoodTracksPP::AliGoodTracksPP() : Not enough place in the array\n";
348	continue;
349	}
350	in>>fData[evno][fGoodInEvent[evno]].lab;
351	in>>fData[evno][fGoodInEvent[evno]].code;
352	in>>fData[evno][fGoodInEvent[evno]].px;
353	in>>fData[evno][fGoodInEvent[evno]].py;
354	in>>fData[evno][fGoodInEvent[evno]].pz;
355	in>>fData[evno][fGoodInEvent[evno]].x;
356	in>>fData[evno][fGoodInEvent[evno]].y;
357	in>>fData[evno][fGoodInEvent[evno]].z;
358
359	in>>tmp;
360	in>>tmp;
361	in>>tmp;
362
363	/* cout<<evno<<" ";
364	cout<<fData[evno][fGoodInEvent[evno]].lab;
365	cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].code;
366	cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].px;
367	cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].py;
368	cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].pz;
369	cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].x;
370	cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].y;
371	cout<<" ";cout<<fData[evno][fGoodInEvent[evno]].z;
372	cout<<"\n";
373	*/
374	fGoodInEvent[evno]++;
375	}
376	in.close();
377	cout<<"AliGoodTracksPP::AliGoodTracksPP() .... Done\n";
378	}
379
380
381
382	const GoodTrack& AliGoodTracksPP::GetTrack(Int_t event, Int_t n) const
383	{
384
385	if( (event>fNevents) \|\| (event<0))
386	{
387	gAlice->Fatal("AliGoodTracksPP::GetTrack","No such Event %d",event);
388	}
389	if( (n>fGoodInEvent[event]) \|\| (n<0))
390	{
391	gAlice->Fatal("AliGoodTracksPP::GetTrack","No such Good TPC Track %d",n);
392	}
393	return fData[event][n];
394
395	}