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root/cvsroot/UserCode/MitAna/DataTree/interface/CompoundParticle.h
Revision: 1.3
Committed: Mon Jul 13 11:00:19 2009 UTC (15 years, 9 months ago) by loizides
Content type: text/plain
Branch: MAIN
CVS Tags: Mit_032, Mit_031, Mit_025c_branch2, Mit_025c_branch1, Mit_030, Mit_029c, Mit_029b, Mit_030_pre1, Mit_029a, Mit_029, Mit_029_pre1, Mit_028a, Mit_025c_branch0, Mit_028, Mit_027a, Mit_027, Mit_026, Mit_025e, Mit_025d, Mit_025c, Mit_025b, Mit_025a, Mit_025, Mit_025pre2, Mit_024b, Mit_025pre1, Mit_024a, Mit_024, Mit_023, Mit_022a, Mit_022, Mit_020d, TMit_020d, Mit_020c, Mit_021, Mit_021pre2, Mit_021pre1, Mit_020b, Mit_020a, Mit_020, Mit_020pre1, Mit_018, Mit_017, Mit_017pre3, Mit_017pre2, Mit_017pre1, Mit_016, Mit_015b, Mit_015a, Mit_015, Mit_014e, Mit_014d, Mit_014c, Mit_014b, Mit_014a, Mit_014, Mit_014pre3, Mit_014pre2, Mit_014pre1, Mit_013d, Mit_013c, Mit_013b, Mit_013a, Mit_013, Mit_013pre1, Mit_012i, Mit_012h, Mit_012g, Mit_012f, Mit_012e, Mit_012d, Mit_012c, Mit_012b, Mit_012a, Mit_012, Mit_011a, Mit_011, Mit_010a, Mit_010, HEAD
Branch point for: Mit_025c_branch
Changes since 1.2: +1 -2 lines
Log Message:
Include files checked.

File Contents

# User Rev Content
1 loizides 1.1 //--------------------------------------------------------------------------------------------------
2 loizides 1.3 // $Id: CompoundParticle.h,v 1.2 2009/06/15 15:00:11 loizides Exp $
3 loizides 1.1 //
4     // CompoundParticle
5     //
6     // A compound particle class that holds other (daughter) particles. The class provides
7     // the same features as the CompositeParticle but allows to transfer ownership of daughters.
8 loizides 1.2 // This class is not supposed and can not be stored in a tree.
9 loizides 1.1 //
10     // Authors: C.Loizides
11     //--------------------------------------------------------------------------------------------------
12    
13     #ifndef MITANA_DATATREE_COMPOUNDPARTICLE_H
14     #define MITANA_DATATREE_COMPOUNDPARTICLE_H
15    
16 loizides 1.2 #include "MitAna/DataTree/interface/ParticleCol.h"
17 loizides 1.1
18     namespace mithep
19     {
20     class CompoundParticle : public Particle
21     {
22     public:
23     CompoundParticle();
24     void AddDaughter(const Particle *p)
25     { fDaughters1.Add(p); ClearMom(); ClearCharge(); }
26     void AddDaughter(Particle *p, Bool_t owned);
27     void Clear(Option_t *opt="");
28     const Particle *Daughter(UInt_t i) const;
29     UInt_t NDaughters() const;
30     Bool_t HasDaughter(const Particle *p) const;
31     Bool_t HasCommonDaughter(const CompoundParticle *p) const;
32     Bool_t HasSameDaughters(const CompoundParticle *p) const;
33     EObjType ObjType() const { return kCompoundParticle; }
34    
35     protected:
36     Double_t GetCharge() const;
37     void GetMom() const;
38    
39     ParticleOArr fDaughters1; //daughter particles (not owned)
40     ParticleOArr fDaughters2; //daughter particles (owned)
41    
42     ClassDef(CompoundParticle, 1) // Compound particle class
43     };
44     }
45    
46     //--------------------------------------------------------------------------------------------------
47     inline void mithep::CompoundParticle::Clear(Option_t *opt)
48     {
49     // Clear object.
50    
51     fDaughters1.Clear(opt);
52     fDaughters2.Clear(opt);
53     ClearMom();
54     ClearCharge();
55     }
56    
57     //--------------------------------------------------------------------------------------------------
58     inline const mithep::Particle *mithep::CompoundParticle::Daughter(UInt_t i) const
59     {
60     // Return daughter at given index.
61    
62     if (i<fDaughters1.Entries())
63     return fDaughters1.At(i);
64    
65     return fDaughters2.At(i-fDaughters1.Entries());
66     }
67    
68     //--------------------------------------------------------------------------------------------------
69     inline Double_t mithep::CompoundParticle::GetCharge() const
70     {
71     // Return sum of charge of daughter particles.
72    
73     Double_t charge = 0;
74     for (UInt_t i=0; i<NDaughters(); ++i)
75     charge += Daughter(i)->Charge();
76    
77     return charge;
78     }
79    
80     //--------------------------------------------------------------------------------------------------
81     inline void mithep::CompoundParticle::GetMom() const
82     {
83     // Calculate the vector sum of the momenta of the daughters.
84    
85     FourVector mom;
86     for (UInt_t i=0; i<NDaughters(); ++i)
87     mom += (Daughter(i))->Mom();
88    
89     fCachedMom.SetCoordinates(mom.Pt(),mom.Eta(),mom.Phi(),mom.M());
90     }
91    
92     //--------------------------------------------------------------------------------------------------
93     inline UInt_t mithep::CompoundParticle::NDaughters() const
94     {
95     // Return number of daughters.
96    
97     return (fDaughters1.Entries()+fDaughters2.Entries());
98     }
99     #endif