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// |
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// Vertex |
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// |
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// Vertex class implemented as holding a 3d vector as a point in space with fit information |
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// Vertex class implemented as holding a 3d vector as a point in space with fit information. |
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// |
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// Authors: J.Bendavid |
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//-------------------------------------------------------------------------------------------------- |
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#ifndef DATATREE_VERTEX_H |
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#define DATATREE_VERTEX_H |
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#ifndef MITANA_DATATREE_VERTEX_H |
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#define MITANA_DATATREE_VERTEX_H |
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#include <TMath.h> |
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#include "MitAna/DataTree/interface/DataObject.h" |
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class Vertex : public DataObject |
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{ |
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public: |
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Vertex() : |
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fPosition(0,0,0), |
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fXErr(0.0), |
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fYErr(0.0), |
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fZErr(0.0), |
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fChi2(0.0), |
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fNdof(0), |
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fNTracks(0) {} |
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Vertex(Double_t x, Double_t y, Double_t z) : |
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fPosition(x,y,z), |
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fXErr(0.0), |
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fYErr(0.0), |
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fZErr(0.0), |
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fChi2(0.0), |
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fNdof(0), |
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fNTracks(0) {} |
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Vertex() : |
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fPosition(0,0,0), fXErr(0.0), fYErr(0.0), fZErr(0.0), fChi2(0.0), fNdof(0), fNTracks(0) {} |
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Vertex(Double_t x, Double_t y, Double_t z) : |
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fPosition(x,y,z), fXErr(0.0), fYErr(0.0), fZErr(0.0), fChi2(0.0), fNdof(0), fNTracks(0) {} |
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Vertex(Double_t x, Double_t y, Double_t z, Double_t xErr, Double_t yErr, Double_t zErr) : |
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fPosition(x,y,z), |
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fXErr(xErr), |
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fYErr(yErr), |
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fZErr(zErr), |
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fChi2(0.0), |
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fNdof(0), |
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fNTracks(0) {} |
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fPosition(x,y,z), fXErr(xErr), fYErr(yErr), fZErr(zErr), fChi2(0.0), fNdof(0), fNTracks(0) {} |
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Vertex(const ThreeVector &pos) : |
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fPosition(pos), |
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fXErr(0.0), |
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fYErr(0.0), |
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fZErr(0.0), |
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fChi2(0.0), |
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fNdof(0), |
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fNTracks(0) {} |
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fPosition(pos), fXErr(0.0), fYErr(0.0), fZErr(0.0), fChi2(0.0), fNdof(0), fNTracks(0) {} |
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~Vertex() {} |
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Double_t Phi() const { return fPosition.Phi(); } |
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Double_t Rho() const { return fPosition.Rho(); } |
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const ThreeVector &Position() const { return fPosition; } |
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void SetPosition(const ThreeVector &pos) { fPosition = pos; } |
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void SetPosition(Double_t x, Double_t y, Double_t z) { fPosition.SetXYZ(x,y,z); } |
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Double_t X() const { return fPosition.X(); } |
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Double_t Y() const { return fPosition.Y(); } |
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Double_t Z() const { return fPosition.Z(); } |
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Double_t Chi2() const { return fChi2; } |
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UInt_t Ndof() const { return fNdof; } |
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UInt_t NTracks() const { return fNTracks; } |
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Double_t Phi() const { return fPosition.Phi(); } |
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const ThreeVector &Position() const { return fPosition; } |
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Double_t Rho() const { return fPosition.Rho(); } |
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Double_t X() const { return fPosition.X(); } |
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Double_t XErr() const { return fXErr; } |
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Double_t Y() const { return fPosition.Y(); } |
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Double_t YErr() const { return fYErr; } |
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Double_t Z() const { return fPosition.Z(); } |
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Double_t ZErr() const { return fZErr; } |
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Double_t Prob() const { return TMath::Prob(fChi2,fNdof); } |
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void SetChi2(Double_t chi2) { fChi2 = chi2; } |
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void SetChi2(Double_t chi2) { fChi2 = chi2; } |
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void SetErrors(Double_t xErr, Double_t yErr, Double_t zErr); |
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void SetNdof(UInt_t nDof) { fNdof = nDof; } |
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UInt_t NTracks() const { return fNTracks; } |
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void SetNTracks(UInt_t ntrks) { fNTracks = ntrks; } |
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void SetNdof(UInt_t nDof) { fNdof = nDof; } |
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void SetPosition(const ThreeVector &pos) { fPosition = pos; } |
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void SetPosition(Double_t x, Double_t y, Double_t z); |
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void SetNTracks(UInt_t ntrks) { fNTracks = ntrks; } |
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protected: |
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ThreeVector fPosition; //point in space |
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Double32_t fXErr; //error in x |
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Double32_t fYErr; //error in y |
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Double32_t fZErr; //error in z |
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Double32_t fChi2; //chi squared of conversion vertex fit |
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UInt_t fNdof; //number of degrees of freedom of conversion vertex fit |
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UInt_t fNTracks; //number of tracks used for the fit |
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Double32_t fXErr; //error in x |
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Double32_t fYErr; //error in y |
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Double32_t fZErr; //error in z |
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Double32_t fChi2; //chi squared of conversion vertex fit |
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UInt_t fNdof; //number of degrees of freedom of conversion vertex fit |
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UInt_t fNTracks; //number of tracks used for the fit |
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ClassDef(Vertex, 1) // Vertex class |
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}; |
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//-------------------------------------------------------------------------------------------------- |
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inline void mithep::Vertex::SetErrors(Double_t xErr, Double_t yErr, Double_t zErr) |
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// set uncertainties on vertex position |
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// Set uncertainties on vertex position. |
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fXErr = xErr; |
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fYErr = yErr; |
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fZErr = zErr; |
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} |
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//-------------------------------------------------------------------------------------------------- |
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inline void mithep::Vertex::SetPosition(Double_t x, Double_t y, Double_t z) |
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{ |
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// Set vertex position. |
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fPosition.SetXYZ(x,y,z); |
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} |
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#endif |
