ViewVC Help
View File | Revision Log | Show Annotations | Root Listing
root/cvsroot/UserCode/MitAna/DataTree/interface/CompositeParticle.h
(Generate patch)

Comparing UserCode/MitAna/DataTree/interface/CompositeParticle.h (file contents):
Revision 1.14 by bendavid, Tue Sep 30 12:54:44 2008 UTC vs.
Revision 1.20 by loizides, Tue Mar 3 17:04:09 2009 UTC

# Line 21 | Line 21 | namespace mithep
21    {
22      public:
23        CompositeParticle() {}
24      ~CompositeParticle() {}
24      
25 <      void                      AddDaughter(Particle *p)    { fDaughters.Add(p); }
26 <      Double_t                  Charge()              const;
27 <      void                      Clear(Option_t *opt="")     { fDaughters.Clear(opt); }
28 <      const Particle           *Daughter(UInt_t i)    const { return fDaughters.At(i); }
29 <      UInt_t                    NDaughters()          const { return fDaughters.Entries(); }
25 >      void                      AddDaughter(const Particle *p)    
26 >                                  { fDaughters.Add(p); ClearMom(); ClearCharge(); }
27 >      void                      Clear(Option_t *opt="")          
28 >                                  { fDaughters.Clear(opt); ClearMom(); ClearCharge(); }
29 >      const Particle           *Daughter(UInt_t i)    const       { return fDaughters.At(i);     }
30 >      UInt_t                    NDaughters()          const       { return fDaughters.Entries(); }
31        Bool_t                    HasDaughter(const Particle *p)                const;
32        Bool_t                    HasCommonDaughter(const CompositeParticle *p) const;
33        Bool_t                    HasSameDaughters(const CompositeParticle *p)  const;
34 <      FourVector                Mom()                 const;
34 >      EObjType                  ObjType()             const       { return kCompositeParticle;   }
35  
36      protected:
37 <      RefArray<Particle>        fDaughters; //||references to daughter particles
37 >      Double_t                  GetCharge()           const;
38 >      void                      GetMom()              const;
39 >
40 >      RefArray<Particle>        fDaughters; //references to daughter particles
41        
42      ClassDef(CompositeParticle, 1) // Composite particle class
43    };
44   }
45 +
46 + //--------------------------------------------------------------------------------------------------
47 + inline Double_t mithep::CompositeParticle::GetCharge() const
48 + {
49 +  // Return sum of charge of daughter particles.
50 +
51 +  Double_t charge = 0;
52 +  for (UInt_t i=0; i<NDaughters(); ++i)
53 +    charge += Daughter(i)->Charge();
54 +  
55 +  return charge;
56 + }
57 +
58 + //--------------------------------------------------------------------------------------------------
59 + inline void mithep::CompositeParticle::GetMom() const
60 + {
61 +  // Calculate the vector sum of the momenta of the daughters.
62 +
63 +  FourVector mom;
64 +  for (UInt_t i=0; i<NDaughters(); ++i)
65 +    mom += (Daughter(i))->Mom();
66 +  
67 +  fCachedMom.SetCoordinates(mom.Pt(),mom.Eta(),mom.Phi(),mom.M());
68 + }
69   #endif

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines