StRoot: StGammaMaker/StGammaTrack.h Source File

00001 
00002 //                                                        //
00003 //    StGammaTrack                                        //
00004 //                                                        //
00005 //    Lightweight class to hold TPC track information     //
00006 //                                                        //
00007 //    Original concept and implementation by              //
00008 //    Jason Webb (Valpo)                                  //
00009 //                                                        //
00011 
00012 #ifndef STAR_StGammaTrack
00013 #define STAR_StGammaTrack
00014 
00015 class StMuTrack;
00016 class StGammaCandidate;
00017 
00018 #include "TObject.h"
00019 #include "TVector3.h"
00020 #include "TRefArray.h"
00021 #include "StPhysicalHelix.hh"
00022 
00023 class StGammaTrack: public TObject 
00024 {
00025 
00026     public:
00027         
00028         class Exception {};
00029         
00030         StGammaTrack();
00031         StGammaTrack(StMuTrack* track);
00032         ~StGammaTrack();
00033         
00034         virtual const char* GetCVS() const
00035         {static const char cvs[] = "Tag $Name:  $ $Id: StGammaTrack.h,v 1.8 2008/12/03 15:38:35 betan Exp $ built "__DATE__" "__TIME__; return cvs; }
00036         
00037         Int_t    id;     
00038         Int_t    flag;   
00039         Int_t    type;   
00040         Int_t    charge; 
00041         Int_t    nhits;  
00042         Float_t  dEdx;   
00043         TVector3 momentum;
00044         TVector3 dca;   
00045         StPhysicalHelix helix; 
00046         StPhysicalHelix outerHelix; 
00047         TVector3 positionAtRadius(Double_t radius) const; 
00048         TVector3 positionAtZ(Double_t z) const; 
00049         TRefArray candidates; 
00050         
00051         Float_t pt() const;   
00052         Float_t pz() const;   
00053         Float_t eta() const;  
00054         Float_t phi() const;  
00055 
00056     private:
00057         
00058         ClassDef(StGammaTrack, 2);
00059         
00060 };
00061 
00062 inline Float_t StGammaTrack::pt() const { return momentum.Pt(); }
00063 inline Float_t StGammaTrack::pz() const { return momentum.Pz(); }
00064 inline Float_t StGammaTrack::eta() const { return momentum.Eta(); }
00065 inline Float_t StGammaTrack::phi() const { return momentum.Phi(); }
00066 
00067 typedef std::vector<StGammaTrack> StGammaTrackVec_t;
00068 typedef std::vector<StGammaTrack*> StGammaTrackPtrVec_t;
00069 
00070 #endif