1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
22 #include <TParticle.h>
24 #include "AliGenReaderEcalHijing.h"
26 ClassImp(AliGenReaderEcalHijing)
29 AliGenReaderEcalHijing::AliGenReaderEcalHijing()
31 // Default constructor
36 void AliGenReaderEcalHijing::Init()
39 // reset the existing file environment and open a new root file if
40 // the pointer to the Fluka tree is null
44 pFile = new TFile(fFileName);
46 printf("\n I have opened %s file \n", fFileName);
48 // get the tree address in the Fluka boundary source file
49 fTreeNtuple = (TTree*)gDirectory->Get("h2");
50 TTree *h2=fTreeNtuple;
52 //Set branch addresses
53 h2->SetBranchAddress("njatt", &fNjatt);
54 h2->SetBranchAddress("nahij", &fNahij);
55 h2->SetBranchAddress("nphij", &fNphij);
56 h2->SetBranchAddress("khij", fKhij) ;
57 h2->SetBranchAddress("pxhij", fPxhij);
58 h2->SetBranchAddress("pyhij", fPyhij);
59 h2->SetBranchAddress("pzhij", fPzhij);
60 h2->SetBranchAddress("ehij", fEhij) ;
63 Int_t AliGenReaderEcalHijing::NextEvent()
65 // Read the next event
68 TFile* pFile = fTreeNtuple->GetCurrentFile();
71 Int_t nentries = (Int_t) fTreeNtuple->GetEntries();
72 if (fNcurrent < nentries) {
73 Int_t nb = (Int_t)fTreeNtuple->GetEvent(fNcurrent);
76 printf("\n Next event contains %d tracks! \n", fNphij);
84 TParticle* AliGenReaderEcalHijing::NextParticle()
87 // Read the next particle
88 Int_t ipart = fKhij[fNparticle];
89 p[0] = fPxhij[fNparticle];
90 p[1] = fPyhij[fNparticle];
91 p[2] = fPzhij[fNparticle];
92 p[3] = fEhij[fNparticle];
94 Double_t amass = TDatabasePDG::Instance()->GetParticle(ipart)->Mass();
97 Warning("Generate","Particle %d E = %f mass = %f \n",
100 TParticle* particle =
101 new TParticle(ipart, 0, -1, -1, -1, -1, p[0], p[1], p[2], p[3],
109 AliGenReaderEcalHijing& AliGenReaderEcalHijing::operator=(const AliGenReaderEcalHijing& rhs)
111 // Assignment operator