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//================================================================================================== |
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// $Id $ |
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//-------------------------------------------------------------------------------------------------- |
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// $Id$ |
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// |
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// Description: class TrackParameters |
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// |
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// fullCurvature = 1 / Rc = 0.0029979 * q * B / pT = - 0.0029979 * B / pT. |
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// |
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// see the conventions for the MultiVertexFitter in its own header file. |
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//================================================================================================== |
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// |
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// Author: C.Paus |
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//-------------------------------------------------------------------------------------------------- |
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#ifndef _VERTEXFITINTERFACE_TRACKPARAMETERS_H_ |
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#define _VERTEXFITINTERFACE_TRACKPARAMETERS_H_ |
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#ifndef MITEDM_VERTEXFITINTERFACE_TRACKPARAMETERS_H |
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#define MITEDM_VERTEXFITINTERFACE_TRACKPARAMETERS_H |
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#include "TMatrixDSym.h" |
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#include "TVectorD.h" |
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#include <TMatrixDSym.h> |
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#include <TVectorD.h> |
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#include "DataFormats/TrackReco/interface/Track.h" |
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namespace mitedm |
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{ |
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// Define existing track parameter conventions |
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enum TrackConvention { iCms, iMvf }; |
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enum TrackConvention { // Define existing track parameter conventions |
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iCms, |
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iMvf |
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}; |
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// Declare the track parameter class |
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class TrackParameters |
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{ |
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public: |
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// *structors |
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TrackParameters() {} |
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TrackParameters(const reco::Track *trk, TrackConvention tcv = iCms, double bField = 3.8); |
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TrackParameters(const reco::Track *trk, TrackConvention tcv = iCms, double bField = 3.8); |
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TrackParameters(const TrackParameters &trk); |
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~TrackParameters() {}; |
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// Access the specific contents |
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const TVectorD *pars () const { return &pars_; }; |
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double pars (int i) const { return pars_[i]; }; |
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const TMatrixDSym *cMat () const { return &cMat_; }; |
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double cMat (int i, int j) const { return cMat_(i,j); }; |
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const TVectorD *pars() const { return &pars_; }; |
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double pars(int i) const { return pars_[i]; }; |
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const TMatrixDSym *cMat() const { return &cMat_; }; |
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double cMat(int i, int j) const { return cMat_(i,j); }; |
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// Access the different parametrizations independently of the local storage |
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TrackParameters cmsTrack() const; |
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TrackParameters mvfTrack() const; |
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void setPars (int i, double v) { pars_(i) = v; } |
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void setCMat (int i, int j, double v) { cMat_(i,j) = v; } |
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void addCMat (int i, int j, double v) { cMat_(i,j) += v; } |
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void setPars(int i, double v) { pars_(i) = v; } |
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void setCMat(int i, int j, double v) { cMat_(i,j) = v; } |
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void addCMat(int i, int j, double v) { cMat_(i,j) += v; } |
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// Utilities |
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void print () const; |
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void print() const; |
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private: |
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TrackConvention iConvention_; // track parameter convention (def. CMS) |
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double bField_; // magnetic field in Tesla |
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double fCurv_; // combined curvature constant |
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TVectorD pars_; // track paramters (helix) |
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TMatrixDSym cMat_; // corresponding covariance matrix (sig_i * sig_j) |
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TrackConvention iConvention_; //track parameter convention (def. CMS) |
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double bField_; //magnetic field in Tesla |
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double fCurv_; //combined curvature constant |
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TVectorD pars_; //track paramters (helix) |
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TMatrixDSym cMat_; //corresponding covariance matrix (sig_i * sig_j) |
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}; |
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} |
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#endif |
