Updated display.C. Possibility to select tracks. (M.Ivanov)
[u/mrichter/AliRoot.git] / PHOS / AliPHOSRecParticle.cxx
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6ad0bfa0 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 **************************************************************************/
b2a60966 15/* $Id$ */
6ad0bfa0 16//_________________________________________________________________________
b2a60966 17// A Reconstructed Particle in PHOS
2f04ed65 18// To become a general class of AliRoot ?
19// Why should I put meaningless comments
20// just to satisfy
21// the code checker
b2a60966 22//
23//*-- Author: Yves Schutz (SUBATECH)
24
6ad0bfa0 25
26// --- ROOT system ---
27
28// --- Standard library ---
29
ed4205d8 30
6ad0bfa0 31// --- AliRoot header files ---
32
33#include "AliPHOSRecParticle.h"
8f3968d8 34#include "AliPHOSGetter.h"
35#include "TParticle.h"
6ad0bfa0 36
37ClassImp(AliPHOSRecParticle)
38
39
40//____________________________________________________________________________
a73f33f0 41 AliPHOSRecParticle::AliPHOSRecParticle(const AliPHOSRecParticle & rp)
42{
b2a60966 43 // copy ctor
44
83974468 45 fPHOSTrackSegment = rp.fPHOSTrackSegment ;
51d189f4 46 fDebug = kFALSE ;
a73f33f0 47 fType = rp.fType ;
83974468 48 fIndexInList = rp.fIndexInList ;
b2a60966 49
cafda784 50 fPdgCode = rp.fPdgCode;
51 fStatusCode = rp.fStatusCode;
52 fMother[0] = rp.fMother[0];
53 fMother[1] = rp.fMother[1];
54 fDaughter[0] = rp.fDaughter[0];
55 fDaughter[1] = rp.fDaughter[1];
56 fWeight = rp.fWeight;
57 fCalcMass = rp.fCalcMass;
58 fPx = rp.fPx;
59 fPy = rp.fPy;
60 fPz = rp.fPz;
61 fE = rp.fE;
62 fVx = rp.fVx;
63 fVy = rp.fVy;
64 fVz = rp.fVz;
65 fVt = rp.fVt;
66 fPolarTheta = rp.fPolarTheta;
67 fPolarPhi = rp.fPolarPhi;
68 fParticlePDG = rp.fParticlePDG;
b2a60966 69
b2a60966 70}
83974468 71
8f3968d8 72//____________________________________________________________________________
73const Int_t AliPHOSRecParticle::GetNPrimaries() const
74{
83974468 75
8f3968d8 76 Int_t rv = 0 ;
77 AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
78 gime->EmcRecPoint(gime->TrackSegment(GetPHOSTSIndex())->GetEmcIndex())->GetPrimaries(rv) ;
79 return rv ;
80}
83974468 81
8f3968d8 82//____________________________________________________________________________
83const TParticle * AliPHOSRecParticle::GetPrimary(Int_t index) const
84{
51d189f4 85 if ( index > GetNPrimaries() ) {
86 if (fDebug)
87 cout << "WARNING : AliPHOSRecParticle::GetPrimary -> " << index << " is larger that the number of primaries "
88 << GetNPrimaries() << endl ;
89 return 0 ;
90 } else {
8f3968d8 91 Int_t dummy ;
92 AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
93 Int_t primaryindex = gime->EmcRecPoint(gime->TrackSegment(GetPHOSTSIndex())->GetEmcIndex())->GetPrimaries(dummy)[index] ;
51d189f4 94 if (primaryindex >= 10000000) { // it comes from backgroundfile
95 if (fDebug)
96 cout << "WARNING : AliPHOSRecParticle::GetPrimary -> not a signal primary" << endl ;
97 return 0 ;
98 } else
8f3968d8 99 return gime->Primary(primaryindex) ;
51d189f4 100 }
8f3968d8 101 return 0 ;
102}
51d189f4 103