lar_content::MatchedEndPointsTool Class Reference

MatchedEndPointsTool class. More...

#include "MatchedEndPointsTool.h"

Inheritance diagram for lar_content::MatchedEndPointsTool:

Public Types
typedef ThreeViewLongitudinalTracksAlgorithm::MatchingType::TensorType	TensorType
typedef std::vector< TensorType::ElementList::const_iterator >	IteratorList

Public Member Functions
	MatchedEndPointsTool ()
	Default constructor. More...
bool	Run (ThreeViewLongitudinalTracksAlgorithm *const pAlgorithm, TensorType &overlapTensor)
	Run the algorithm tool. More...

Private Member Functions
pandora::StatusCode	ReadSettings (const pandora::TiXmlHandle xmlHandle)
void	FindMatchedTracks (const TensorType &overlapTensor, ProtoParticleVector &protoParticleVector) const
	Find matched tracks, hidden by ambiguities in the tensor. More...

Static Private Member Functions
static bool	SortByChiSquared (const TensorType::Element &lhs, const TensorType::Element &rhs)
	Sort tensor elements by chi-squared. More...

Private Attributes
float	m_minMatchedFraction
	The min matched sampling point fraction for particle creation. More...
float	m_maxEndPointChi2
	The max chi2 of matched vertex and end points for particle creation. More...

Detailed Description

MatchedEndPointsTool class.

Definition at line 19 of file MatchedEndPointsTool.h.

Member Typedef Documentation

typedef std::vector<TensorType::ElementList::const_iterator> lar_content::LongitudinalTensorTool::IteratorList

inherited

Definition at line 89 of file ThreeViewLongitudinalTracksAlgorithm.h.

typedef ThreeViewLongitudinalTracksAlgorithm::MatchingType::TensorType lar_content::LongitudinalTensorTool::TensorType

inherited

Definition at line 88 of file ThreeViewLongitudinalTracksAlgorithm.h.

Constructor & Destructor Documentation

lar_content::MatchedEndPointsTool::MatchedEndPointsTool

(

)

Default constructor.

Definition at line 18 of file MatchedEndPointsTool.cc.

                                           :
    m_minMatchedFraction(0.8f),
    m_maxEndPointChi2(3.f)
{
}

Member Function Documentation

void lar_content::MatchedEndPointsTool::FindMatchedTracks ( const TensorType &  overlapTensor, ProtoParticleVector &  protoParticleVector  ) const

private

Find matched tracks, hidden by ambiguities in the tensor.

Parameters

overlapTensor	the overlap tensor
protoParticleVector	to receive the list of proto particles

Definition at line 40 of file MatchedEndPointsTool.cc.

References lar_content::OverlapTensor< T >::GetConnectedElements(), lar_content::OverlapTensor< T >::GetSortedKeyClusters(), lar_content::ProtoParticle::m_clusterList, m_maxEndPointChi2, m_minMatchedFraction, and SortByChiSquared().

Referenced by Run().

{
    ClusterSet usedClusters;
    ClusterVector sortedKeyClusters;
    overlapTensor.GetSortedKeyClusters(sortedKeyClusters);

    for (const Cluster *const pKeyCluster : sortedKeyClusters)
    {
        if (!pKeyCluster->IsAvailable())
            continue;

        unsigned int nU(0), nV(0), nW(0);
        TensorType::ElementList elementList;
        overlapTensor.GetConnectedElements(pKeyCluster, true, elementList, nU, nV, nW);

        if (nU * nV * nW == 0)
            continue;

        std::sort(elementList.begin(), elementList.end(), MatchedEndPointsTool::SortByChiSquared);

        for (TensorType::ElementList::const_iterator iter = elementList.begin(); iter != elementList.end(); ++iter)
        {
            if (usedClusters.count(iter->GetClusterU()) || usedClusters.count(iter->GetClusterV()) || usedClusters.count(iter->GetClusterW()))
                continue;

            if (iter->GetOverlapResult().GetMatchedFraction() < m_minMatchedFraction)
                continue;

            if (std::max(iter->GetOverlapResult().GetInnerChi2(), iter->GetOverlapResult().GetOuterChi2()) > m_maxEndPointChi2)
                continue;

            ProtoParticle protoParticle;
            protoParticle.m_clusterList.push_back(iter->GetClusterU());
            protoParticle.m_clusterList.push_back(iter->GetClusterV());
            protoParticle.m_clusterList.push_back(iter->GetClusterW());
            protoParticleVector.push_back(protoParticle);

            usedClusters.insert(iter->GetClusterU());
            usedClusters.insert(iter->GetClusterV());
            usedClusters.insert(iter->GetClusterW());
        }
    }
}

StatusCode lar_content::MatchedEndPointsTool::ReadSettings ( const pandora::TiXmlHandle  xmlHandle )

private

Definition at line 94 of file MatchedEndPointsTool.cc.

References m_maxEndPointChi2, and m_minMatchedFraction.

{
    PANDORA_RETURN_RESULT_IF_AND_IF(
        STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle, "MinMatchedFraction", m_minMatchedFraction));

    PANDORA_RETURN_RESULT_IF_AND_IF(STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle, "MaxEndPointChi2", m_maxEndPointChi2));

    return STATUS_CODE_SUCCESS;
}

bool lar_content::MatchedEndPointsTool::Run ( ThreeViewLongitudinalTracksAlgorithm *const  pAlgorithm, TensorType &  overlapTensor  )

virtual

Run the algorithm tool.

Parameters

pAlgorithm	address of the calling algorithm
overlapTensor	the overlap tensor

Returns

whether changes have been made by the tool

Implements lar_content::LongitudinalTensorTool.

Definition at line 26 of file MatchedEndPointsTool.cc.

References lar_content::MatchingBaseAlgorithm::CreateThreeDParticles(), and FindMatchedTracks().

{
    if (PandoraContentApi::GetSettings(*pAlgorithm)->ShouldDisplayAlgorithmInfo())
        std::cout << "----> Running Algorithm Tool: " << this->GetInstanceName() << ", " << this->GetType() << std::endl;

    ProtoParticleVector protoParticleVector;
    this->FindMatchedTracks(overlapTensor, protoParticleVector);

    const bool particlesMade(pAlgorithm->CreateThreeDParticles(protoParticleVector));
    return particlesMade;
}

bool lar_content::MatchedEndPointsTool::SortByChiSquared ( const TensorType::Element &  lhs, const TensorType::Element &  rhs  )

staticprivate

Sort tensor elements by chi-squared.

Parameters

lhs	the first tensor element
rhs	the second tensor element

Returns

boolean

Definition at line 86 of file MatchedEndPointsTool.cc.

Referenced by FindMatchedTracks().

{
    return (lhs.GetOverlapResult().GetInnerChi2() + lhs.GetOverlapResult().GetOuterChi2() <
        rhs.GetOverlapResult().GetInnerChi2() + rhs.GetOverlapResult().GetOuterChi2());
}

Member Data Documentation

float lar_content::MatchedEndPointsTool::m_maxEndPointChi2

private

The max chi2 of matched vertex and end points for particle creation.

Definition at line 51 of file MatchedEndPointsTool.h.

Referenced by FindMatchedTracks(), and ReadSettings().

float lar_content::MatchedEndPointsTool::m_minMatchedFraction

private

The min matched sampling point fraction for particle creation.

Definition at line 50 of file MatchedEndPointsTool.h.

Referenced by FindMatchedTracks(), and ReadSettings().

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

• larpandoracontent/v04_08_01/source/larpandoracontent/LArThreeDReco/LArLongitudinalTrackMatching/MatchedEndPointsTool.h
• larpandoracontent/v04_08_01/source/larpandoracontent/LArThreeDReco/LArLongitudinalTrackMatching/MatchedEndPointsTool.cc