Go to the documentation of this file.00001 #ifndef TxyCalculator_h
00002 #define TxyCalculator_h
00003
00004 #include "FWCore/Framework/interface/Event.h"
00005 #include "FWCore/Framework/interface/EventSetup.h"
00006 #include "FWCore/Framework/interface/ESHandle.h"
00007
00008 #include "FWCore/Utilities/interface/InputTag.h"
00009
00010 #include "DataFormats/EgammaReco/interface/BasicClusterFwd.h"
00011 #include "DataFormats/EgammaReco/interface/SuperClusterFwd.h"
00012
00013 #include "Geometry/CaloGeometry/interface/CaloGeometry.h"
00014 #include "Geometry/Records/interface/IdealGeometryRecord.h"
00015 #include "RecoCaloTools/MetaCollections/interface/CaloRecHitMetaCollections.h"
00016
00017 #include "DataFormats/Candidate/interface/CandidateFwd.h"
00018 #include "DataFormats/Candidate/interface/Candidate.h"
00019
00020 #include "DataFormats/TrackReco/interface/Track.h"
00021 #include "DataFormats/TrackReco/interface/TrackFwd.h"
00022
00023 #include "DataFormats/EgammaCandidates/interface/Photon.h"
00024
00025 #define PI 3.141592653
00026
00027 class TxyCalculator
00028 {
00029 public:
00030 TxyCalculator(const edm::Event &iEvent, const edm::EventSetup &iSetup, edm::InputTag trackLabel);
00031 double getTxy(const reco::Photon p, double x, double y);
00032 double getHollSxy(const reco::Photon p, double thePtCut, double outerR, double innerR);
00033 int getNumAllTracks(double ptCut);
00034 int getNumLocalTracks(const reco::Photon p, double detaCut, double ptCut);
00035
00036
00037 private:
00038
00039 double dRDistance(double eta1,double phi1,double eta2,double phi2)
00040 {
00041 double deta = eta1 - eta2;
00042 double dphi = (calcDphi(phi1, phi2));
00043
00044 return sqrt(deta * deta + dphi * dphi);
00045 }
00046
00047 double calcDphi(double phi1_,double phi2_)
00048 {
00049 double dphi=phi1_-phi2_;
00050
00051 if (dphi>0){
00052 while (dphi>2*PI) dphi-=2*PI;
00053 if (dphi>PI) dphi=2*PI-dphi;
00054 } else {
00055 while (dphi<-2*PI) dphi+=2*PI;
00056 if (dphi<-PI) dphi=-2*PI-dphi;
00057 }
00058 return dphi;
00059 }
00060
00061 private:
00062 edm::Handle<reco::TrackCollection> recCollection;
00063 };
00064
00065 #endif
00066