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//--------------------------------------------------------------------------------------------------
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// $Id: CaloTower.h,v 1.8 2009/02/18 15:38:54 loizides Exp $
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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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//
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// Authors: S.Xie
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//--------------------------------------------------------------------------------------------------
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#ifndef MITANA_DATATREE_CALOTOWER_H
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#define MITANA_DATATREE_CALOTOWER_H
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#include "MitAna/DataTree/interface/DataObject.h"
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#include "MitAna/DataTree/interface/CacheFlag.h"
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#include <TMath.h>
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namespace mithep
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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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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 Eta() const { return fPosition.Eta(); }
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Double_t Et() const { return E()*TMath::Sin(Theta()); }
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Double_t EtWithHO() const { return EWithHO()*TMath::Sin(Theta()); }
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Double_t EWithHO() const { return (fEmEnergy + fHadEnergy + fOuterEnergy); }
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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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const FourVectorM &Mom() const;
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Double_t Phi() const { return fPosition.Phi(); }
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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 { return fPosition; }
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Double_t Theta() const { return fPosition.Theta(); }
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void SetEmEnergy(Double_t EmEnergy) { fEmEnergy = EmEnergy; ClearMom(); }
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void SetHadEnergy(Double_t HadEnergy) { fHadEnergy = HadEnergy; ClearMom(); }
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void SetOuterEnergy(Double_t OuterEnergy) { fOuterEnergy = OuterEnergy; ClearMom(); }
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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(); }
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protected:
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void ClearMom() const { fCacheMomFlag.ClearCache(); }
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void GetMom() const;
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ThreeVectorC32 fPosition; //position of tower
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Double32_t fEmEnergy; //tower energy in Ecal
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Double32_t fHadEnergy; //tower energy in Hcal
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Double32_t fOuterEnergy; //tower energy in outer Hcal
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mutable CacheFlag fCacheMomFlag; //||cache validity flag for momentum
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mutable FourVectorM fCachedMom; //!cached momentum vector (filled by derived classes)
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ClassDef(CaloTower, 1) // Calo tower class
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};
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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 and return four momentum.
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if (E() > 0)
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fCachedMom.SetCoordinates(Et(),Eta(),Phi(),0.0);
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else
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fCachedMom = mithep::FourVectorM();
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}
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//--------------------------------------------------------------------------------------------------
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inline const mithep::FourVectorM &mithep::CaloTower::Mom() const
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{
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// Return cached momentum value.
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if (!fCacheMomFlag.IsValid()) {
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GetMom();
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fCacheMomFlag.SetValid();
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}
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return fCachedMom;
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}
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#endif
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