| 3 |
|
// |
| 4 |
|
// Vertex |
| 5 |
|
// |
| 6 |
< |
// Vertex class implemented as holding a 3d vector as a point in space. |
| 6 |
> |
// Vertex class derived from BaseVertex holding additional fit information. |
| 7 |
|
// |
| 8 |
|
// Authors: J.Bendavid |
| 9 |
|
//-------------------------------------------------------------------------------------------------- |
| 10 |
|
|
| 11 |
< |
#ifndef DATATREE_VERTEX_H |
| 12 |
< |
#define DATATREE_VERTEX_H |
| 11 |
> |
#ifndef MITANA_DATATREE_VERTEX_H |
| 12 |
> |
#define MITANA_DATATREE_VERTEX_H |
| 13 |
|
|
| 14 |
< |
#include "MitAna/DataTree/interface/DataObject.h" |
| 14 |
> |
#include <TMath.h> |
| 15 |
> |
#include "MitAna/DataTree/interface/BaseVertex.h" |
| 16 |
|
|
| 17 |
|
namespace mithep |
| 18 |
|
{ |
| 19 |
< |
class Vertex : public DataObject |
| 19 |
> |
class Vertex : public BaseVertex |
| 20 |
|
{ |
| 21 |
|
public: |
| 22 |
< |
Vertex() : fPoint(0,0,0) {} |
| 23 |
< |
Vertex(Double_t x, Double_t y, Double_t z) : fPoint(x,y,z) {} |
| 24 |
< |
~Vertex() {} |
| 22 |
> |
Vertex() : fChi2(0), fNdof(0), fNTracks(0) {} |
| 23 |
> |
Vertex(Double_t x, Double_t y, Double_t z) : |
| 24 |
> |
BaseVertex(x,y,z), fChi2(0), fNdof(0), fNTracks(0) {} |
| 25 |
> |
Vertex(Double_t x, Double_t y, Double_t z, Double_t xErr, Double_t yErr, Double_t zErr) : |
| 26 |
> |
BaseVertex(x,y,z,xErr,yErr,zErr), fChi2(0), fNdof(0), fNTracks(0) {} |
| 27 |
> |
Vertex(const ThreeVector &pos) : |
| 28 |
> |
BaseVertex(pos), fChi2(0), fNdof(0), fNTracks(0) {} |
| 29 |
|
|
| 30 |
< |
Double_t Phi() const { return fPoint.Phi(); } |
| 31 |
< |
Double_t Rho() const { return fPoint.Rho(); } |
| 32 |
< |
void SetXYZ(Double_t x, Double_t y, Double_t z) { fPoint.SetXYZ(x,y,z); } |
| 33 |
< |
Double_t X() const { return fPoint.X(); } |
| 34 |
< |
Double_t Y() const { return fPoint.Y(); } |
| 35 |
< |
Double_t Z() const { return fPoint.Z(); } |
| 30 |
> |
Double_t Chi2() const { return fChi2; } |
| 31 |
> |
Int_t Compare(const TObject *o) const; |
| 32 |
> |
UShort_t Ndof() const { return fNdof; } |
| 33 |
> |
UInt_t NTracks() const { return fNTracks; } |
| 34 |
> |
EObjType ObjType() const { return kVertex; } |
| 35 |
> |
Double_t Prob() const { return TMath::Prob(fChi2,fNdof); } |
| 36 |
> |
void SetChi2(Double_t chi2) { fChi2 = chi2; } |
| 37 |
> |
void SetNdof(UShort_t nDof) { fNdof = nDof; } |
| 38 |
> |
void SetNTracks(UShort_t ntrks) { fNTracks = ntrks; } |
| 39 |
|
|
| 40 |
|
protected: |
| 41 |
< |
ThreeVector fPoint; //point in space |
| 41 |
> |
Double32_t fChi2; //[0,0,12]chi squared of conversion vertex fit |
| 42 |
> |
UShort_t fNdof; //number of degrees of freedom of conversion vertex fit |
| 43 |
> |
UShort_t fNTracks; //number of tracks used for the fit |
| 44 |
|
|
| 45 |
|
ClassDef(Vertex, 1) // Vertex class |
| 46 |
|
}; |
| 47 |
|
} |
| 48 |
+ |
|
| 49 |
+ |
//-------------------------------------------------------------------------------------------------- |
| 50 |
+ |
inline Int_t mithep::Vertex::Compare(const TObject *o) const |
| 51 |
+ |
{ |
| 52 |
+ |
// Default compare function for sorting according to transverse momentum. |
| 53 |
+ |
// Returns -1 if this object is smaller than given object, 0 if objects are |
| 54 |
+ |
// equal and 1 if this is larger than given object. |
| 55 |
+ |
|
| 56 |
+ |
const mithep::Vertex *v = dynamic_cast<const mithep::Vertex *>(o); |
| 57 |
+ |
if (!v) |
| 58 |
+ |
return 1; |
| 59 |
+ |
|
| 60 |
+ |
Int_t myn = NTracks(); |
| 61 |
+ |
Int_t n = v->NTracks(); |
| 62 |
+ |
if (myn>n) |
| 63 |
+ |
return -1; |
| 64 |
+ |
else if (n>myn) |
| 65 |
+ |
return +1; |
| 66 |
+ |
|
| 67 |
+ |
Double_t myd = Chi2(); |
| 68 |
+ |
Double_t d = v->Chi2(); |
| 69 |
+ |
if (myd<d) |
| 70 |
+ |
return -1; |
| 71 |
+ |
else if (d<myd) |
| 72 |
+ |
return +1; |
| 73 |
+ |
|
| 74 |
+ |
return 0; |
| 75 |
+ |
} |
| 76 |
|
#endif |
