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//--------------------------------------------------------------------------------------------------
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// $Id: StableData.h,v 1.10 2009/03/20 18:23:27 loizides Exp $
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//
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// StableData
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//
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// Additional information on a stable daughter which is specific to a particular decay.
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//
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// Authors: J.Bendavid
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//--------------------------------------------------------------------------------------------------
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#ifndef MITANA_DATATREE_STABLEDATA_H
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#define MITANA_DATATREE_STABLEDATA_H
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#include "MitAna/DataCont/interface/BitMask.h"
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#include "MitAna/DataTree/interface/StableParticle.h"
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#include "MitAna/DataTree/interface/DaughterData.h"
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#include "MitAna/DataTree/interface/Track.h"
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#include "MitAna/DataTree/interface/Types.h"
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#include "MitCommon/DataFormats/interface/Vect3C.h"
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namespace mithep
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{
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class StableData : public DaughterData
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{
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public:
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StableData() {}
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StableData(const Particle *p, const ThreeVector &mom) :
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DaughterData(p), fMomAtVertex(mom), fNHitsBeforeVtx(0), fDlClosestHitToVtx(0), fDlClosestHitToVtxErr(0) {}
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StableData(const Particle *p, const ThreeVectorC &mom) :
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DaughterData(p), fMomAtVertex(mom), fNHitsBeforeVtx(0), fDlClosestHitToVtx(0), fDlClosestHitToVtxErr(0) {}
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StableData(const Particle *p, Double_t px, Double_t py, Double_t pz) :
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DaughterData(p), fMomAtVertex(ThreeVector(px,py,pz)), fNHitsBeforeVtx(0), fDlClosestHitToVtx(0), fDlClosestHitToVtxErr(0) {}
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Bool_t BadLayer(Track::EHitLayer l) const { return fBadLayers.TestBit(l); }
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const BitMask48 &BadLayers() const { return fBadLayers; }
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Double_t DlClosestHitToVtx() const { return fDlClosestHitToVtx; }
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Double_t DlClosestHitToVtxErr() const { return fDlClosestHitToVtxErr; }
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const BitMask48 MissedLayers() const;
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UInt_t NMissedLayers() const { return MissedLayers().NBitsSet(); }
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UInt_t NWrongLayers() const { return WrongLayers().NBitsSet(); }
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UInt_t NWrongHits() const { return TMath::Max(UInt_t(fNHitsBeforeVtx),NWrongLayers()); }
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UInt_t NWrongOrMissingLayers() const { return fBadLayers.NBitsSet(); }
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UShort_t NHitsBeforeVtx() const { return fNHitsBeforeVtx; }
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EObjType ObjType() const { return kStableData; }
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ThreeVectorC ThreeMom() const { return fMomAtVertex.V(); }
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const BitMask48 WrongLayers() const;
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void SetBadLayer(Track::EHitLayer l) { fBadLayers.SetBit(l); }
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void SetBadLayers(const BitMask48 &layers) { fBadLayers = layers; }
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void SetDlClosestHitToVtx(Double_t x) { fDlClosestHitToVtx = x; }
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void SetDlClosestHitToVtxErr(Double_t x) { fDlClosestHitToVtxErr = x; }
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void SetThreeMom(Double_t px, Double_t y, Double_t z);
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void SetThreeMom(const ThreeVector &mom) { fMomAtVertex = mom; ClearMom(); }
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void SetNHitsBeforeVtx(UShort_t n) { fNHitsBeforeVtx = n; }
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protected:
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Double_t GetMass() const { return Original()->Mass(); }
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void GetMom() const;
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Vect3C fMomAtVertex; //fitted momentum at vertex
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BitMask48 fBadLayers; //layer mask for incorrect or missing hits from
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//before or after the decay vertex
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//using same bit-layer mapping as mithep::Track
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UShort_t fNHitsBeforeVtx; //number of hits before the vertex position
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Double32_t fDlClosestHitToVtx; //[0,0,14]
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Double32_t fDlClosestHitToVtxErr; //[0,0,14]
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ClassDef(StableData, 2) // Stable data class
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};
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}
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//--------------------------------------------------------------------------------------------------
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inline void mithep::StableData::GetMom() const
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{
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// Get momentum values from stored values.
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fCachedMom.SetCoordinates(fMomAtVertex.Rho(),fMomAtVertex.Eta(),fMomAtVertex.Phi(),GetMass());
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}
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//--------------------------------------------------------------------------------------------------
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inline void mithep::StableData::SetThreeMom(Double_t px, Double_t py, Double_t pz)
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{
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// Set four momentum.
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fMomAtVertex.SetXYZ(px, py, pz);
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ClearMom();
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}
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#endif
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