| 1 | #ifndef VertexFinderDA4D_h
|
|---|
| 2 | #define VertexFinderDA4D_h
|
|---|
| 3 |
|
|---|
| 4 | /** \class VertexFinderDA4D
|
|---|
| 5 | *
|
|---|
| 6 | * Cluster vertices from tracks using deterministic annealing and timing information
|
|---|
| 7 | *
|
|---|
| 8 | * \authors M. Selvaggi, L. Gray
|
|---|
| 9 | *
|
|---|
| 10 | */
|
|---|
| 11 |
|
|---|
| 12 |
|
|---|
| 13 |
|
|---|
| 14 | #include "classes/DelphesModule.h"
|
|---|
| 15 | #include "classes/DelphesClasses.h"
|
|---|
| 16 | #include <utility>
|
|---|
| 17 | #include <algorithm>
|
|---|
| 18 | #include <stdexcept>
|
|---|
| 19 | #include <iostream>
|
|---|
| 20 | #include <vector>
|
|---|
| 21 | #include <unordered_map>
|
|---|
| 22 |
|
|---|
| 23 | using namespace std;
|
|---|
| 24 |
|
|---|
| 25 | class TObjArray;
|
|---|
| 26 | class Candidate;
|
|---|
| 27 | class TVector3;
|
|---|
| 28 |
|
|---|
| 29 | class VertexFinderDA4D: public DelphesModule
|
|---|
| 30 | {
|
|---|
| 31 | public:
|
|---|
| 32 |
|
|---|
| 33 | VertexFinderDA4D();
|
|---|
| 34 | ~VertexFinderDA4D();
|
|---|
| 35 |
|
|---|
| 36 | void Init();
|
|---|
| 37 | void Process();
|
|---|
| 38 | void Finish();
|
|---|
| 39 |
|
|---|
| 40 | struct track_t{
|
|---|
| 41 | double z; // z-coordinate at point of closest approach to the beamline
|
|---|
| 42 | double t; // t-coordinate at point of closest approach to the beamline
|
|---|
| 43 | double dz2; // square of the error of z(pca)
|
|---|
| 44 | double dtz; // covariance of z-t
|
|---|
| 45 | double dt2; // square of the error of t(pca)
|
|---|
| 46 | //const reco::TransientTrack* tt; // a pointer to the Transient Track
|
|---|
| 47 | Candidate* tt; // a pointer to the Candidate Track
|
|---|
| 48 | double Z; // Z[i] for DA clustering
|
|---|
| 49 | double pi; // track weight
|
|---|
| 50 | double pt;
|
|---|
| 51 | double eta;
|
|---|
| 52 | double phi;
|
|---|
| 53 |
|
|---|
| 54 | };
|
|---|
| 55 |
|
|---|
| 56 |
|
|---|
| 57 | struct vertex_t{
|
|---|
| 58 | double z; // z coordinate
|
|---|
| 59 | double t; // t coordinate
|
|---|
| 60 | double pk; // vertex weight for "constrained" clustering
|
|---|
| 61 | // --- temporary numbers, used during update
|
|---|
| 62 | double ei;
|
|---|
| 63 | double sw;
|
|---|
| 64 | double swz;
|
|---|
| 65 | double swt;
|
|---|
| 66 | double se;
|
|---|
| 67 | // ---for Tc
|
|---|
| 68 | double swE;
|
|---|
| 69 | double Tc;
|
|---|
| 70 | };
|
|---|
| 71 |
|
|---|
| 72 |
|
|---|
| 73 |
|
|---|
| 74 | void clusterize(const TObjArray & tracks, TObjArray & clusters);
|
|---|
| 75 |
|
|---|
| 76 | std::vector< Candidate* > vertices();
|
|---|
| 77 |
|
|---|
| 78 | std::vector<track_t> fill() const;
|
|---|
| 79 |
|
|---|
| 80 | bool split( double beta,
|
|---|
| 81 | std::vector<track_t> & tks,
|
|---|
| 82 | std::vector<vertex_t> & y) const;
|
|---|
| 83 |
|
|---|
| 84 | double update( double beta,
|
|---|
| 85 | std::vector<track_t> & tks,
|
|---|
| 86 | std::vector<vertex_t> & y ) const;
|
|---|
| 87 |
|
|---|
| 88 | double update(double beta,
|
|---|
| 89 | std::vector<track_t> & tks,
|
|---|
| 90 | std::vector<vertex_t> & y,
|
|---|
| 91 | double & )const;
|
|---|
| 92 |
|
|---|
| 93 | void dump(const double beta, const std::vector<vertex_t> & y, const std::vector<track_t> & tks) const;
|
|---|
| 94 | bool merge(std::vector<vertex_t> &) const;
|
|---|
| 95 | bool merge(std::vector<vertex_t> &,double & ) const;
|
|---|
| 96 | bool purge(std::vector<vertex_t> &, std::vector<track_t> & , double &, const double ) const;
|
|---|
| 97 |
|
|---|
| 98 | void splitAll( std::vector<vertex_t> & y ) const;
|
|---|
| 99 |
|
|---|
| 100 | double beta0(const double betamax,
|
|---|
| 101 | std::vector<track_t> & tks,
|
|---|
| 102 | std::vector<vertex_t> & y )const;
|
|---|
| 103 |
|
|---|
| 104 | double Eik(const track_t & t, const vertex_t & k)const;
|
|---|
| 105 |
|
|---|
| 106 |
|
|---|
| 107 | private:
|
|---|
| 108 |
|
|---|
| 109 | Bool_t fVerbose;
|
|---|
| 110 | Double_t fMinPT;
|
|---|
| 111 |
|
|---|
| 112 | Float_t fVertexSpaceSize;
|
|---|
| 113 | Float_t fVertexTimeSize;
|
|---|
| 114 | Bool_t fUseTc;
|
|---|
| 115 | Float_t fBetaMax;
|
|---|
| 116 | Float_t fBetaStop;
|
|---|
| 117 | Double_t fCoolingFactor;
|
|---|
| 118 | Int_t fMaxIterations;
|
|---|
| 119 | Double_t fDzCutOff;
|
|---|
| 120 | Double_t fD0CutOff;
|
|---|
| 121 | Double_t fDtCutOff; // for when the beamspot has time
|
|---|
| 122 |
|
|---|
| 123 | TObjArray *fInputArray;
|
|---|
| 124 | TIterator *fItInputArray;
|
|---|
| 125 |
|
|---|
| 126 | TObjArray *fOutputArray;
|
|---|
| 127 | TObjArray *fVertexOutputArray;
|
|---|
| 128 |
|
|---|
| 129 | ClassDef(VertexFinderDA4D, 1)
|
|---|
| 130 | };
|
|---|
| 131 |
|
|---|
| 132 | #endif
|
|---|
