|
Last change
on this file since bf2c695 was df408d2, checked in by Franco BEDESCHI <bed@…>, 4 years ago |
|
Fixed compatibility with ROOT5/minor changes to TrkUtil
|
-
Property mode
set to
100644
|
|
File size:
1.6 KB
|
| Rev | Line | |
|---|
| [a617744] | 1 | //
|
|---|
| 2 | #ifndef G__TRKUTIL_H
|
|---|
| 3 | #define G__TRKUTIL_H
|
|---|
| 4 | //
|
|---|
| 5 | #include <TVector3.h>
|
|---|
| 6 | #include <TVectorD.h>
|
|---|
| 7 | #include <TMatrixDSym.h>
|
|---|
| 8 | //
|
|---|
| 9 | //
|
|---|
| 10 | // Class test
|
|---|
| 11 |
|
|---|
| 12 | class TrkUtil {
|
|---|
| 13 | //
|
|---|
| 14 | //
|
|---|
| 15 | protected:
|
|---|
| 16 | Double_t fBz; // Solenoid magnetic field
|
|---|
| 17 | //
|
|---|
| 18 | // Service routines
|
|---|
| 19 | //
|
|---|
| 20 | void SetBfield(Double_t Bz) { fBz = Bz; }
|
|---|
| 21 | TVectorD XPtoPar(TVector3 x, TVector3 p, Double_t Q);
|
|---|
| 22 | TVector3 ParToP(TVectorD Par);
|
|---|
| 23 | //
|
|---|
| 24 | // Conversion to ACTS parametrization
|
|---|
| 25 | //
|
|---|
| 26 | TVectorD ParToACTS(TVectorD Par); // Parameter conversion
|
|---|
| 27 | TMatrixDSym CovToACTS(TVectorD Par, TMatrixDSym Cov); // Covariance conversion
|
|---|
| 28 | //
|
|---|
| 29 | // Conversion to ILC parametrization
|
|---|
| 30 | //
|
|---|
| 31 | TVectorD ParToILC(TVectorD Par); // Parameter conversion
|
|---|
| 32 | TMatrixDSym CovToILC(TMatrixDSym Cov); // Covariance conversion
|
|---|
| 33 |
|
|---|
| 34 | public:
|
|---|
| 35 | //
|
|---|
| 36 | // Constructors
|
|---|
| 37 | TrkUtil();
|
|---|
| 38 | TrkUtil(Double_t Bz);
|
|---|
| 39 | // Destructor
|
|---|
| 40 | ~TrkUtil();
|
|---|
| 41 | //
|
|---|
| 42 | // Overload methods to allow call without instantiating class
|
|---|
| 43 | //
|
|---|
| 44 | static Double_t cSpeed()
|
|---|
| 45 | {
|
|---|
| [df408d2] | 46 | Double_t c = 2.99792458e8; // speed of light m/sec
|
|---|
| 47 | //return TMath::C()*1.0e-9; // Incompatible with root5
|
|---|
| 48 | return c*1.0e-9; // Reduced speed of light
|
|---|
| [a617744] | 49 | }
|
|---|
| 50 | //
|
|---|
| 51 | // Service routines
|
|---|
| 52 | //
|
|---|
| 53 | static TVectorD XPtoPar(TVector3 x, TVector3 p, Double_t Q, Double_t Bz);
|
|---|
| [df408d2] | 54 | static TVector3 ParToX(TVectorD Par); // position of minimum distance from z axis
|
|---|
| 55 | static TVector3 ParToP(TVectorD Par, Double_t Bz); // Get Momentum from track parameters
|
|---|
| 56 | static Double_t ParToQ(TVectorD Par); // Get track charge
|
|---|
| [a617744] | 57 | //
|
|---|
| 58 | // Conversion from meters to mm
|
|---|
| 59 | //
|
|---|
| 60 | static TVectorD ParToMm(TVectorD Par); // Parameter conversion
|
|---|
| 61 | static TMatrixDSym CovToMm(TMatrixDSym Cov); // Covariance conversion
|
|---|
| 62 |
|
|---|
| 63 | };
|
|---|
| 64 |
|
|---|
| 65 | #endif
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
