lar_content::SimpleClusterGrowingAlgorithm Class Reference

SimpleClusterGrowingAlgorithm class. More...

#include "SimpleClusterGrowingAlgorithm.h"

Inheritance diagram for lar_content::SimpleClusterGrowingAlgorithm:

Public Member Functions
	SimpleClusterGrowingAlgorithm ()
	Default constructor. More...

Protected Types
typedef std::unordered_map< const pandora::Cluster *, pandora::ClusterList >	ClusterMergeMap

Protected Member Functions
virtual pandora::StatusCode	Run ()

Private Member Functions
void	GetListOfCleanClusters (const pandora::ClusterList *const pClusterList, pandora::ClusterVector &cleanClusters) const
	Populate cluster vector with the subset of clusters judged to be clean. More...
void	GetListOfSeedClusters (const pandora::ClusterVector &inputClusters, pandora::ClusterVector &seedClusters) const
	Select seed clusters for growing. More...
pandora::StatusCode	ReadSettings (const pandora::TiXmlHandle xmlHandle)

Private Attributes
unsigned int	m_minCaloHitsPerCluster
	The minimum number of calo hits per seed cluster. More...

Detailed Description

SimpleClusterGrowingAlgorithm class.

Definition at line 21 of file SimpleClusterGrowingAlgorithm.h.

Member Typedef Documentation

typedef std::unordered_map<const pandora::Cluster *, pandora::ClusterList> lar_content::ClusterGrowingAlgorithm::ClusterMergeMap

protectedinherited

Definition at line 33 of file ClusterGrowingAlgorithm.h.

Constructor & Destructor Documentation

lar_content::SimpleClusterGrowingAlgorithm::SimpleClusterGrowingAlgorithm

(

)

Default constructor.

Definition at line 20 of file SimpleClusterGrowingAlgorithm.cc.

                                                             :
    m_minCaloHitsPerCluster(5)
{
}

Member Function Documentation

void lar_content::SimpleClusterGrowingAlgorithm::GetListOfCleanClusters ( const pandora::ClusterList *const  pClusterList, pandora::ClusterVector &  cleanClusters  ) const

privatevirtual

Populate cluster vector with the subset of clusters judged to be clean.

Parameters

pClusterList	address of the cluster list
cleanClusters	the output vector of clean clusters

Implements lar_content::ClusterGrowingAlgorithm.

Definition at line 27 of file SimpleClusterGrowingAlgorithm.cc.

References lar_content::LArClusterHelper::SortByNHits().

{
    for (ClusterList::const_iterator iter = pClusterList->begin(), iterEnd = pClusterList->end(); iter != iterEnd; ++iter)
    {
        const Cluster *const pCluster = *iter;

        if (!pCluster->IsAvailable())
            continue;

        clusterVector.push_back(pCluster);
    }

    std::sort(clusterVector.begin(), clusterVector.end(), LArClusterHelper::SortByNHits);
}

void lar_content::SimpleClusterGrowingAlgorithm::GetListOfSeedClusters ( const pandora::ClusterVector &  cleanClusters, pandora::ClusterVector &  seedClusters  ) const

privatevirtual

Select seed clusters for growing.

Parameters

cleanClusters	the input vector of clean clusters
seedClusters	the output vector of seed clusters

Implements lar_content::ClusterGrowingAlgorithm.

Definition at line 44 of file SimpleClusterGrowingAlgorithm.cc.

References m_minCaloHitsPerCluster, and lar_content::LArClusterHelper::SortByNHits().

{
    for (ClusterVector::const_iterator cIter = inputClusters.begin(), cIterEnd = inputClusters.end(); cIter != cIterEnd; ++cIter)
    {
        const Cluster *const pCluster = *cIter;

        if (pCluster->GetNCaloHits() < m_minCaloHitsPerCluster)
            continue;

        seedClusters.push_back(pCluster);
    }

    std::sort(seedClusters.begin(), seedClusters.end(), LArClusterHelper::SortByNHits);
}

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

privatevirtual

Reimplemented from lar_content::ClusterGrowingAlgorithm.

Definition at line 61 of file SimpleClusterGrowingAlgorithm.cc.

References m_minCaloHitsPerCluster, and lar_content::ClusterGrowingAlgorithm::ReadSettings().

{
    PANDORA_RETURN_RESULT_IF_AND_IF(
        STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle, "MinCaloHitsPerCluster", m_minCaloHitsPerCluster));

    return ClusterGrowingAlgorithm::ReadSettings(xmlHandle);
}

StatusCode lar_content::ClusterGrowingAlgorithm::Run ( )

protectedvirtualinherited

Definition at line 27 of file ClusterGrowingAlgorithm.cc.

References lar_content::ClusterGrowingAlgorithm::GetListOfCleanClusters(), lar_content::ClusterGrowingAlgorithm::GetListOfNonSeedClusters(), lar_content::ClusterGrowingAlgorithm::GetListOfSeedClusters(), lar_content::ClusterGrowingAlgorithm::m_inputClusterListName, lar_content::ClusterGrowingAlgorithm::MergeClusters(), and lar_content::ClusterGrowingAlgorithm::PopulateClusterMergeMap().

{
    const ClusterList *pClusterList = NULL;

    if (m_inputClusterListName.empty())
    {
        PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::GetCurrentList(*this, pClusterList));
    }
    else
    {
        PANDORA_RETURN_RESULT_IF_AND_IF(
            STATUS_CODE_SUCCESS, STATUS_CODE_NOT_INITIALIZED, !=, PandoraContentApi::GetList(*this, m_inputClusterListName, pClusterList));
    }

    if (!pClusterList || pClusterList->empty())
    {
        if (PandoraContentApi::GetSettings(*this)->ShouldDisplayAlgorithmInfo())
            std::cout << "ClusterGrowingAlgorithm: unable to find cluster list " << m_inputClusterListName << std::endl;

        return STATUS_CODE_SUCCESS;
    }

    ClusterVector inputClusters, seedClusters;
    this->GetListOfCleanClusters(pClusterList, inputClusters);
    this->GetListOfSeedClusters(inputClusters, seedClusters);

    while (true)
    {
        ClusterVector currentClusters, nonSeedClusters;
        this->GetListOfCleanClusters(pClusterList, currentClusters);
        this->GetListOfNonSeedClusters(currentClusters, seedClusters, nonSeedClusters);

        ClusterMergeMap clusterMergeMap;
        this->PopulateClusterMergeMap(seedClusters, nonSeedClusters, clusterMergeMap);

        if (clusterMergeMap.empty())
            break;

        this->MergeClusters(clusterMergeMap);
    }

    return STATUS_CODE_SUCCESS;
}

Member Data Documentation

unsigned int lar_content::SimpleClusterGrowingAlgorithm::m_minCaloHitsPerCluster

private

The minimum number of calo hits per seed cluster.

Definition at line 35 of file SimpleClusterGrowingAlgorithm.h.

Referenced by GetListOfSeedClusters(), and ReadSettings().

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

• larpandoracontent/v04_08_01/source/larpandoracontent/LArTwoDReco/LArClusterAssociation/SimpleClusterGrowingAlgorithm.h
• larpandoracontent/v04_08_01/source/larpandoracontent/LArTwoDReco/LArClusterAssociation/SimpleClusterGrowingAlgorithm.cc