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// |
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// CaloTower |
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// |
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// This class holds calo tower information. |
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// This class holds calo tower information. Note that the energy of the tower does not necessarily |
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// have to be greater 0. As such E() and Et() can return negative values. In those cases the |
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// FourVectorM will be 0, and also Pt() will return 0. |
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// |
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// Authors: S.Xie |
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//-------------------------------------------------------------------------------------------------- |
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class CaloTower : public DataObject |
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{ |
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public: |
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CaloTower() : fEmEnergy(0), fHadEnergy(0), fOuterEnergy(0) {} |
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CaloTower() : fEmEnergy(0), fHadEnergy(0), fOuterEnergy(0), fMass(0) {} |
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Double_t E() const { return (fEmEnergy + fHadEnergy); } |
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Double_t EmEt() const { return fEmEnergy*TMath::Sin(Theta()); } |
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Double_t EmEnergy() const { return fEmEnergy; } |
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Double_t HadEnergy() const { return fHadEnergy; } |
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Double_t HadEt() const { return fHadEnergy*TMath::Sin(Theta()); } |
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Double_t Mass() const { return fMass; } |
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const FourVectorM &Mom() const; |
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Double_t Phi() const { return fPosition.Phi(); } |
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Double_t Pt() const { Double_t r=Et(); if(r<0) r=0; return r; } |
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EObjType ObjType() const { return kCaloTower; } |
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Double_t OuterEnergy() const { return fOuterEnergy; } |
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Double_t OuterEt() const { return fOuterEnergy*TMath::Sin(Theta()); } |
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const ThreeVectorC &Position() const; |
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Double_t Theta() const { return Position().Theta(); } |
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void SetEmEnergy(Double_t EmEnergy) |
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{ fEmEnergy = EmEnergy; ClearMom(); } |
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void SetHadEnergy(Double_t HadEnergy) |
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{ fHadEnergy = HadEnergy; ClearMom(); } |
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void SetOuterEnergy(Double_t OuterEnergy) |
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{ fOuterEnergy = OuterEnergy; ClearMom(); } |
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void SetEmEnergy(Double_t emEnergy) |
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{ fEmEnergy = emEnergy; ClearMom(); } |
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void SetHadEnergy(Double_t hadEnergy) |
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{ fHadEnergy = hadEnergy; ClearMom(); } |
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void SetOuterEnergy(Double_t outerEnergy) |
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{ fOuterEnergy = outerEnergy; ClearMom(); } |
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void SetMass(Double_t mass) { fMass = mass; } |
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void SetPosition(Double_t x, Double_t y, Double_t z) |
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{ fPosition.SetXYZ(x,y,z); ClearMom(); ClearPos(); } |
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Double32_t fEmEnergy; //[0,0,14]tower energy in Ecal |
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Double32_t fHadEnergy; //[0,0,14]tower energy in Hcal |
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Double32_t fOuterEnergy; //[0,0,14]tower energy in outer Hcal |
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Double32_t fMass; //[0,0,14]tower mass |
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mutable CacheFlag fCacheMomFlag; //||cache validity flag for momentum |
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mutable FourVectorM fCachedMom; //!cached momentum vector |
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mutable CacheFlag fCachePosFlag; //||cache validity flag for position |
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mutable ThreeVectorC fCachedPos; //!cached position vector |
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ClassDef(CaloTower, 1) // Calo tower class |
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ClassDef(CaloTower, 2) // Calo tower class |
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}; |
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} |
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inline void mithep::CaloTower::GetMom() const |
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{ |
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// Compute four momentum. |
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if (E() > 0) |
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fCachedMom.SetCoordinates(Et(),Eta(),Phi(),0.0); |
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Double_t energy = E(); |
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if (energy > 0) { |
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Double_t pt = TMath::Sin(Theta())*TMath::Sqrt(energy*energy + fMass*fMass); |
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fCachedMom.SetCoordinates(pt,Eta(),Phi(),Mass()); |
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} |
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else |
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fCachedMom = mithep::FourVectorM(); |
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} |
