TrkDriftCircleMath::IsSubsetSegment< CDC > Struct Template Reference

#include <IsSubsetSegment.h>

Collaboration diagram for TrkDriftCircleMath::IsSubsetSegment< CDC >:

Public Member Functions
	IsSubsetSegment ()=default
	IsSubsetSegment (double phiCut, double y0Cut)
int	operator() (const Segment &seg1, const Segment &seg2) const

Private Attributes
double	m_phiCut {0.05}
double	m_y0Cut {0.5}

Detailed Description

template<class CDC>
struct TrkDriftCircleMath::IsSubsetSegment< CDC >

Definition at line 18 of file IsSubsetSegment.h.

Constructor & Destructor Documentation

IsSubsetSegment() [1/2]

template<class CDC>

TrkDriftCircleMath::IsSubsetSegment< CDC >::IsSubsetSegment ( )

default

IsSubsetSegment() [2/2]

template<class CDC>

TrkDriftCircleMath::IsSubsetSegment< CDC >::IsSubsetSegment ( double phiCut, double y0Cut )

inline

Definition at line 20 of file IsSubsetSegment.h.

: m_phiCut(phiCut), m_y0Cut(y0Cut) {}

Member Function Documentation

operator()()

template<class CDC>

int TrkDriftCircleMath::IsSubsetSegment< CDC >::operator() ( const Segment & seg1, const Segment & seg2 ) const

inline

Definition at line 23 of file IsSubsetSegment.h.

                                                                       {
            // check angular distance between segments and distance from origine
            // only segments that have similar angles and offsets are considered subsets
            if (std::abs(xAOD::P4Helpers::deltaPhi(seg1.line().phi(), seg2.line().phi())) < m_phiCut &&
                std::abs(seg1.line().y0() - seg2.line().y0()) < m_y0Cut) {
                SharedHitsSegments sharedHitsSegments(true);
                sharedHitsSegments(seg1, seg2);
 
                unsigned int onlyInSeg1 = sharedHitsSegments.onlyInSeg1();
                unsigned int onlyInSeg2 = sharedHitsSegments.onlyInSeg2();
                // segment 1 contains no hits that are not in segment 2
                if (onlyInSeg1 == 0) {
                    // check is segment 1 is a single ml segment that should be kept for the curved segment finder
                    if (seg1.hitsMl1() == 0 || seg1.hitsMl2() == 0) {
                        if (seg2.hitsMl2() < 3 || seg2.hitsMl1() < 3) { return ResolvedCollection<SegVec, IsSubsetSegment>::Different; }
                        if (seg2.hitsOutOfTime() > 0) { return ResolvedCollection<SegVec, IsSubsetSegment>::Different; }
                    }
                    // segment 1 contains the same hits as segment 2
                    if (onlyInSeg2 == 0) {
                        // chose segment with best chi2
                        if (seg1.chi2() < seg2.chi2())
                            return ResolvedCollection<SegVec, IsSubsetSegment>::SuperSet;
                        else
                            return ResolvedCollection<SegVec, IsSubsetSegment>::SubSet;
                    }
                    return ResolvedCollection<SegVec, IsSubsetSegment>::SubSet;
                } else {
                    if (onlyInSeg2 == 0) { return ResolvedCollection<SegVec, IsSubsetSegment>::SuperSet; }
                }
            }
            return ResolvedCollection<SegVec, IsSubsetSegment>::Different;
        }

Member Data Documentation

m_phiCut

template<class CDC>

double TrkDriftCircleMath::IsSubsetSegment< CDC >::m_phiCut {0.05}

private

Definition at line 57 of file IsSubsetSegment.h.

{0.05};

m_y0Cut

template<class CDC>

double TrkDriftCircleMath::IsSubsetSegment< CDC >::m_y0Cut {0.5}

private

Definition at line 58 of file IsSubsetSegment.h.

{0.5};

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

• IsSubsetSegment.h