Associator_DeltaEtaPhi Class Reference

Fixme: needs to be replaced by something inheriting from BestMatcher. More...

#include <Associator_DeltaEtaPhi.h>

Inheritance diagram for Associator_DeltaEtaPhi:

Collaboration diagram for Associator_DeltaEtaPhi:

Public Types
typedef std::map< TIDA::Track *, TIDA::Track * >	map_type
typedef std::map< TIDA::Track *, TIDA::Track * >	rmap_type

Public Member Functions
	Associator_DeltaEtaPhi (const std::string &name, double deltaEta, double deltaPhi)
	~Associator_DeltaEtaPhi ()
virtual TrackAssociator *	clone () override
virtual void	match (const std::vector< TIDA::Track * > &referenceTracks, const std::vector< TIDA::Track * > &testTracks)
virtual const TIDA::Track *	matched (TIDA::Track *t)
const map_type &	matched () const
virtual const TIDA::Track *	revmatched (TIDA::Track *t)
const rmap_type &	revmatched () const
void	clear ()
unsigned	size () const

Protected Attributes
std::string	mname
map_type	mmatched
rmap_type	mrevmatched

Private Attributes
double	m_deltaEta
double	m_deltaPhi

Detailed Description

Fixme: needs to be replaced by something inheriting from BestMatcher.

Definition at line 28 of file Associator_DeltaEtaPhi.h.

Member Typedef Documentation

map_type

typedef std::map<TIDA::Track*, TIDA::Track*> TIDA::Associator< TIDA::Track, TIDA::Track >::map_type

inherited

Definition at line 28 of file TIDAAssociator.h.

rmap_type

typedef std::map<TIDA::Track*, TIDA::Track*> TIDA::Associator< TIDA::Track, TIDA::Track >::rmap_type

inherited

Definition at line 29 of file TIDAAssociator.h.

Constructor & Destructor Documentation

Associator_DeltaEtaPhi()

Associator_DeltaEtaPhi::Associator_DeltaEtaPhi ( const std::string & name, double deltaEta, double deltaPhi )

inline

Definition at line 32 of file Associator_DeltaEtaPhi.h.

: TrackAssociator(name), m_deltaEta(deltaEta), m_deltaPhi(deltaPhi)  {} 

~Associator_DeltaEtaPhi()

Associator_DeltaEtaPhi::~Associator_DeltaEtaPhi ( )

inline

Definition at line 34 of file Associator_DeltaEtaPhi.h.

{ } 

Member Function Documentation

clear()

void TIDA::Associator< TIDA::Track, TIDA::Track >::clear ( )

inlineinherited

Definition at line 63 of file TIDAAssociator.h.

{ mmatched.clear(); mrevmatched.clear(); } 

clone()

virtual TrackAssociator * Associator_DeltaEtaPhi::clone ( )

inlineoverridevirtual

Implements TIDA::Associator< TIDA::Track >.

Definition at line 36 of file Associator_DeltaEtaPhi.h.

{ return new Associator_DeltaEtaPhi(*this); }

match()

virtual void Associator_DeltaEtaPhi::match ( const std::vector< TIDA::Track * > & referenceTracks, const std::vector< TIDA::Track * > & testTracks )

inlinevirtual

Implements TIDA::Associator< TIDA::Track >.

Definition at line 38 of file Associator_DeltaEtaPhi.h.

                                                      {
    
    // Clear previously filled association map
    clear();
    
    
    // Loop over reference tracks
    std::vector<TIDA::Track*>::const_iterator reference, referenceEnd=referenceTracks.end();
    for(reference=referenceTracks.begin(); reference!=referenceEnd; reference++) {
      
      // std::cout << "Offline = " << (*reference)->eta() << "  " << (*reference)->phi() << "  " << (*reference)->pT() << std::endl; 
      
      // Loop over test tracks and find the closest
      TIDA::Track* bestMatch = NULL;
      double bestDeltaR=1000;
      
      std::vector<TIDA::Track*>::const_iterator test, testEnd=testTracks.end();
      for(test=testTracks.begin(); test!=testEnd; test++) {
    
    // Evaluate distance between reference and test tracks
    double deta = (*reference)->eta() - (*test)->eta();
    double dphi = (*reference)->phi() - (*test)->phi();
    if(dphi>M_PI)  dphi-=2*M_PI;
    if(dphi<-M_PI) dphi+=2*M_PI;
    
    if (fabs(deta)>m_deltaEta || fabs(dphi)>m_deltaPhi) continue;
    
    double deltaR =  (deta*deta)/(m_deltaEta*m_deltaEta)+(dphi*dphi)/(m_deltaPhi*m_deltaPhi);
 
    // Check if this is the best match so far
    if(bestMatch==NULL || deltaR<bestDeltaR) { 
      bestDeltaR = deltaR;
      bestMatch  = (*test);
    } 
      }
      
      // Check if the best match is within delta R specifications
      if(bestMatch) { 
    // Create reference->test and test->reference associations
    mmatched.insert(map_type::value_type(*reference, bestMatch));
    mrevmatched.insert(map_type::value_type(bestMatch, *reference));
    //std::cout << "Matched = " << bestMatch->eta() << "  "<< bestMatch->phi() << "  " << bestMatch->pT() << std::endl;
      }
    }
  }

matched() [1/2]

const map_type & TIDA::Associator< TIDA::Track, TIDA::Track >::matched ( ) const

inlineinherited

Definition at line 59 of file TIDAAssociator.h.

{ return mmatched; }

matched() [2/2]

virtual const TIDA::Track * TIDA::Associator< TIDA::Track, TIDA::Track >::matched ( TIDA::Track * t )

inlinevirtualinherited

Definition at line 45 of file TIDAAssociator.h.

                                  { 
     typename map_type::const_iterator titr = mmatched.find(t);
     if ( titr != mmatched.end() ) return titr->second;
     else                          return 0;
  } 

revmatched() [1/2]

const rmap_type & TIDA::Associator< TIDA::Track, TIDA::Track >::revmatched ( ) const

inlineinherited

Definition at line 60 of file TIDAAssociator.h.

{ return mrevmatched; }

revmatched() [2/2]

virtual const TIDA::Track * TIDA::Associator< TIDA::Track, TIDA::Track >::revmatched ( TIDA::Track * t )

inlinevirtualinherited

Definition at line 52 of file TIDAAssociator.h.

                                     { 
     typename rmap_type::const_iterator titr = mrevmatched.find(t);
     if ( titr != mrevmatched.end() ) return titr->second;
     else                             return 0;
  } 

size()

unsigned TIDA::Associator< TIDA::Track, TIDA::Track >::size ( ) const

inlineinherited

Definition at line 66 of file TIDAAssociator.h.

{ return mmatched.size(); }

Member Data Documentation

m_deltaEta

double Associator_DeltaEtaPhi::m_deltaEta

private

Definition at line 87 of file Associator_DeltaEtaPhi.h.

m_deltaPhi

double Associator_DeltaEtaPhi::m_deltaPhi

private

Definition at line 88 of file Associator_DeltaEtaPhi.h.

mmatched

map_type TIDA::Associator< TIDA::Track, TIDA::Track >::mmatched

protectedinherited

Definition at line 73 of file TIDAAssociator.h.

mname

std::string TIDA::Associator< TIDA::Track, TIDA::Track >::mname

protectedinherited

Definition at line 71 of file TIDAAssociator.h.

mrevmatched

rmap_type TIDA::Associator< TIDA::Track, TIDA::Track >::mrevmatched

protectedinherited

Definition at line 74 of file TIDAAssociator.h.

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The documentation for this class was generated from the following file:

• Associator_DeltaEtaPhi.h