RhoVtxPoca.h

Go to the documentation of this file.

#ifndef RHOVTXPOCA_H
#define RHOVTXPOCA_H
//                                                                      //
// RhoVtxPoca                                                           //
//                                                                      //
// Author: R. Kliemt 2010                                               //
// extended for multiple tracks                                         //
//                                                                      //

#include <vector>
#include "TVector3.h"
class RhoCandidate;
class RhoCandList;

class RhoVtxPoca {
 public:
  RhoVtxPoca();
  virtual ~RhoVtxPoca();
  Double_t GetPocaVtx(TVector3 &vertex, RhoCandidate *composite);
  Double_t GetPocaVtx(TVector3 &vertex, RhoCandList &cands);
  Double_t GetPocaVtx(TVector3 &vertex, std::vector<RhoCandidate *> &cands);

 private:
  Double_t GetPoca(TVector3 &vertex, RhoCandidate *a, RhoCandidate *b);
  Double_t GetPocaTwoCharged(TVector3 &vertex, RhoCandidate *a, RhoCandidate *b);
  Double_t GetPocaChargedToNeutral(TVector3 &vertex, RhoCandidate *a, RhoCandidate *b);
  Double_t GetPocaTwoNeutral(TVector3 &vertex, RhoCandidate *a, RhoCandidate *b);

  ClassDef(RhoVtxPoca, 1) // A poca Vertex Finder
};

#endif