Improving event printout
[u/mrichter/AliRoot.git] / STEER / AliAODMCParticle.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-2007, 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   *
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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 //     Realisation of AliVParticle for MC Particles
19 //     Basically a stripped down AliMCParicle / TParticle
20 //     with minimum information on MC tracks
21 //     Author: Christian Klein-Bösing, CERN
22 //-------------------------------------------------------------------------
23
24
25 #include "AliAODMCParticle.h"
26 #include "AliAODEvent.h"
27
28 #include "TDatabasePDG.h"
29 #include "TParticle.h"
30 #include "TClonesArray.h"
31
32
33 ClassImp(AliAODMCParticle)
34
35 TString AliAODMCParticle::fgkStdBranchName("mcparticles");
36
37 AliAODMCParticle::AliAODMCParticle():
38 AliVParticle(),
39   fPdgCode(0),
40   fFlag(0),
41   fLabel(0),
42   fMother(0),
43   fPx(0),
44   fPy(0),
45   fPz(0),
46   fE(0),
47   fVx(0),
48   fVy(0),
49   fVz(0),
50   fVt(0)
51 {
52   // Default Constructor
53   fDaughter[0] =   fDaughter[1] = 0;
54 }
55
56     
57 AliAODMCParticle::AliAODMCParticle(AliMCParticle* mcpart, Int_t label,Int_t flag):
58     AliVParticle(),
59     fPdgCode(mcpart->Particle()->GetPdgCode()),
60     fFlag(flag),
61     fLabel(label),
62     fMother(mcpart->GetMother()),
63     fPx(mcpart->Particle()->Px()),
64     fPy(mcpart->Particle()->Py()),
65     fPz(mcpart->Particle()->Pz()),
66     fE(mcpart->Particle()->Energy()),
67     fVx(mcpart->Particle()->Vx()),
68     fVy(mcpart->Particle()->Vy()),
69     fVz(mcpart->Particle()->Vz()),
70     fVt(mcpart->Particle()->T())
71 {
72   fDaughter[0] =  mcpart->GetFirstDaughter(); 
73   fDaughter[1] =  mcpart->GetLastDaughter();
74 }
75     
76     
77 AliAODMCParticle::AliAODMCParticle(const AliAODMCParticle& mcPart) :
78     AliVParticle(mcPart),
79     fPdgCode(mcPart.fPdgCode),
80     fFlag(mcPart.fFlag),
81     fLabel(mcPart.fLabel),
82     fMother(mcPart.fMother),
83     fPx(mcPart.fPx),
84     fPy(mcPart.fPy),
85     fPz(mcPart.fPz),
86     fE(mcPart.fE),
87     fVx(mcPart.fVx),
88     fVy(mcPart.fVy),
89     fVz(mcPart.fVz),
90     fVt(mcPart.fVt)
91 {
92   // Copy constructor
93   fDaughter[0] = mcPart.fDaughter[0]; 
94   fDaughter[1] = mcPart.fDaughter[1]; 
95 }
96
97 AliAODMCParticle& AliAODMCParticle::operator=(const AliAODMCParticle& mcPart)
98
99
100   if (this!=&mcPart) { 
101     AliVParticle::operator=(mcPart);
102     fPdgCode    = mcPart.fPdgCode;
103     fFlag       = mcPart.fFlag;
104     fLabel      = mcPart.fLabel;
105     fMother     = mcPart.fMother;
106     fPx         = mcPart.fPx;
107     fPy         = mcPart.fPy;
108     fPz         = mcPart.fPz;
109     fE          = mcPart.fE;
110     fVx         = mcPart.fVx;
111     fVy         = mcPart.fVy;
112     fVz         = mcPart.fVz;
113     fVt         = mcPart.fVt;
114     fDaughter[0] = mcPart.fDaughter[0]; 
115     fDaughter[1] = mcPart.fDaughter[1]; 
116   }  
117   
118   return *this;
119
120 }
121
122 Double_t AliAODMCParticle::M()         const
123 {
124     TParticlePDG* pdg =  TDatabasePDG::Instance()->GetParticle(fPdgCode);
125     if (pdg) {
126         return (pdg->Mass());
127     } else {
128         return GetCalcMass();
129     }
130 }
131
132
133 Short_t AliAODMCParticle::Charge()     const
134 {
135     TParticlePDG* pdg =  TDatabasePDG::Instance()->GetParticle(fPdgCode);
136     if (pdg) {
137         return (Short_t (pdg->Charge()));
138     } else {
139         return -99;
140     }
141 }
142
143 void AliAODMCParticle::Print(const Option_t */*opt*/) const {
144   if(TDatabasePDG::Instance()->GetParticle(fPdgCode)){
145     Printf(">>> PDG (%d) : %s",fPdgCode,TDatabasePDG::Instance()->GetParticle(fPdgCode)->GetName());
146   }
147   else{
148     Printf(">>> PDG (%d) : %s",fPdgCode,"Unknown");
149   }
150   Printf(">>  P(%3.3f,%3.3f,%3.3f) V((%3.3f,%3.3f,%3.3f,%3.3f)",fPx,fPy,fPz,fVx,fVy,fVz,fVt);  
151   Printf(">   Mother %d, First Daughter %d Last Daughter %d , Status %d, PhysicalPrimary %d",
152          fMother,fDaughter[0],fDaughter[1],GetStatus(),
153          IsPhysicalPrimary());
154 }