Changeset 942a705 in git for external/TrackCovariance/ObsTrk.h
- Timestamp:
- Jul 9, 2020, 3:14:29 PM (4 years ago)
- Branches:
- master
- Children:
- c18dca6
- Parents:
- e79c954
- File:
-
- 1 edited
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external/TrackCovariance/ObsTrk.h
re79c954 r942a705 1 // 1 2 #ifndef G__OBSTRK_H 2 3 #define G__OBSTRK_H 3 4 4 #include <TVector3.h> 5 5 #include <TVectorD.h> 6 6 #include <TMatrixDSym.h> 7 8 class SolGridCov; 9 7 #include <TDecompChol.h> 8 #include "SolGridCov.h" 9 // 10 10 // Class to handle smearing of generated charged particle tracks 11 11 // 12 12 // Author: F. Bedeschi 13 13 // INFN - Sezione di Pisa, Italy 14 14 // 15 15 class ObsTrk{ 16 // Class to handle simulation of tracking resolution 17 // Prefix Obs marks variables after resolution smearing 18 // Prefix Gen marks variables before resolution smearing 19 private: 20 Double_t fB; // Solenoid magnetic field 21 SolGridCov *fGC; // Covariance matrix grid 22 Double_t fGenQ; // Generated track charge 23 Double_t fObsQ; // Observed track charge 24 TVector3 fGenX; // Generated track origin (x,y,z) 25 TVector3 fObsX; // Observed track origin (x,y,z) @ track min. approach 26 TVector3 fGenP; // Generated track momentum at track origin 27 TVector3 fObsP; // Observed track momentum @ track minimum approach 28 TVectorD fGenPar; // Generated helix track parameters (D, phi0, C, z0, cot(th)) 29 TVectorD fObsPar; // Observed helix track parameters (D, phi0, C, z0, cot(th)) 30 TMatrixDSym fCov; // INterpolated covariance of track parameters 16 // 17 // Class to handle simulation of tracking resolution 18 // Prefix Obs marks variables after resolution smearing 19 // Prefix Gen marks variables before resolution smearing 20 // 21 private: 22 Double_t fB; // Solenoid magnetic field 23 SolGridCov *fGC; // Covariance matrix grid 24 Double_t fGenQ; // Generated track charge 25 Double_t fObsQ; // Observed track charge 26 TVector3 fGenX; // Generated track origin (x,y,z) 27 TVector3 fObsX; // Observed track origin (x,y,z) @ track min. approach 28 TVector3 fGenP; // Generated track momentum at track origin 29 TVector3 fObsP; // Observed track momentum @ track minimum approach 30 TVectorD fGenPar; // Generated helix track parameters (D, phi0, C, z0, cot(th)) 31 TVectorD fGenParACTS; // Generated helix track parameters (D, z0, phi0, th, q/p, time) 32 TVectorD fObsPar; // Observed helix track parameters (D, phi0, C, z0, cot(th)) 33 TVectorD fObsParACTS; // Observed helix track parameters (D, z0, phi0, th, q/p, time) 34 TMatrixDSym fCov; // INterpolated covariance of track parameters 35 TMatrixDSym fCovACTS; // Covariance of track parameters in ACTS format 36 // (D, z0, phi0, theta, q/p, time) 37 // 38 // Conversion to ACTS parametrization 39 // 40 TVectorD ParToACTS(TVectorD Par); // Parameter conversion 41 TMatrixDSym CovToACTS(TMatrixDSym Cov); // Covariance conversion 42 // 31 43 public: 32 // x(3) track origin, p(3) track momentum at origin, Q charge, B magnetic field in Tesla 33 ObsTrk(TVector3 x, TVector3 p, Double_t Q, Double_t B, SolGridCov *GC); // Initialize and generate smeared track 34 ~ObsTrk(); 35 // Service routines 36 TVectorD XPtoPar(TVector3 x, TVector3 p, Double_t Q); 37 TVectorD GenToObsPar(TVectorD gPar, SolGridCov *GC); 38 TVector3 ParToX(TVectorD Par); 39 TVector3 ParToP(TVectorD Par); 40 Double_t ParToQ(TVectorD Par); 41 // Accessors 42 // Generator level X, P, Q 43 Double_t GetGenQ() { return fGenQ; } 44 TVector3 GetGenX() { return fGenX; } 45 TVector3 GetGenP() { return fGenP; } 46 // D, phi0, C, z0, cot(th) 47 TVectorD GetGenPar() { return fGenPar; } 48 // Observed level X, P, Q 49 Double_t GetObsQ() { return fObsQ; } 50 TVector3 GetObsX() { return fObsX; } 51 TVector3 GetObsP() { return fObsP; } 52 // D, phi0, C, z0, cot(th) 53 TVectorD GetObsPar() { return fObsPar; } 54 TMatrixDSym GetCov() { return fCov; } 44 // 45 // Constructors 46 // x(3) track origin, p(3) track momentum at origin, Q charge, B magnetic field in Tesla 47 ObsTrk(TVector3 x, TVector3 p, Double_t Q, Double_t B, SolGridCov *GC); // Initialize and generate smeared track 48 // Destructor 49 ~ObsTrk(); 50 // 51 // Service routines 52 // 53 TVectorD XPtoPar(TVector3 x, TVector3 p, Double_t Q); 54 TVectorD GenToObsPar(TVectorD gPar, SolGridCov *GC); 55 TVector3 ParToX(TVectorD Par); 56 TVector3 ParToP(TVectorD Par); 57 Double_t ParToQ(TVectorD Par); 58 // 59 // Accessors 60 // 61 // Generator level: 62 // X, P, Q 63 Double_t GetGenQ() { return fGenQ; } 64 TVector3 GetGenX() { return fGenX; } 65 TVector3 GetGenP() { return fGenP; } 66 // D, phi0, C, z0, cot(th) 67 TVectorD GetGenPar() { return fGenPar; } 68 // D, z0, phi0, theta, q/p, time 69 TVectorD GetGenParACTS() { return fGenParACTS; } 70 // Observed level X, P, Q 71 Double_t GetObsQ() { return fObsQ; } 72 TVector3 GetObsX() { return fObsX; } 73 TVector3 GetObsP() { return fObsP; } 74 // D, phi0, C, z0, cot(th) 75 TVectorD GetObsPar() { return fObsPar; } 76 // D, z0, phi0, theta, q/p, time 77 TVectorD GetObsParACTS() { return fObsParACTS; } 78 // Covariances 79 TMatrixDSym GetCov(){ return fCov; } 80 TMatrixDSym GetCovACTS(){ return fCovACTS; }; 55 81 }; 56 82
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