SlidingConeClusterMopUpAlgorithm.h

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#ifndef LAR_SLIDING_CONE_CLUSTER_MOP_UP_ALGORITHM_H
#define LAR_SLIDING_CONE_CLUSTER_MOP_UP_ALGORITHM_H 1

#include "larpandoracontent/LArUtility/PfoMopUpBaseAlgorithm.h"

#include <unordered_map>

namespace lar_content
{

class SlidingConeClusterMopUpAlgorithm : public PfoMopUpBaseAlgorithm
{
public:
    SlidingConeClusterMopUpAlgorithm();

private:
    class ClusterMerge
    {
    public:
        ClusterMerge(const pandora::Cluster *const pParentCluster, const float boundedFraction, const float meanRT);

        const pandora::Cluster *GetParentCluster() const;

        float GetBoundedFraction() const;

        float GetMeanRT() const;

        bool operator<(const ClusterMerge &rhs) const;

    private:
        const pandora::Cluster *m_pParentCluster;       
        float                   m_boundedFraction;      
        float                   m_meanRT;               
    };

    typedef std::vector<ClusterMerge> ClusterMergeList;

    pandora::StatusCode Run();

    void GetInteractionVertex(const pandora::Vertex *&pVertex) const;

    typedef std::unordered_map<const pandora::Cluster*, const pandora::ParticleFlowObject*> ClusterToPfoMap;

    void GetThreeDClusters(pandora::ClusterVector &clusters3D, ClusterToPfoMap &clusterToPfoMap) const;

    void GetAvailableTwoDClusters(pandora::ClusterVector &availableClusters2D) const;

    typedef std::unordered_map<const pandora::Cluster*, ClusterMergeList> ClusterMergeMap;

    void GetClusterMergeMap(const pandora::Vertex *const pVertex, const pandora::ClusterVector &clusters3D, const pandora::ClusterVector &availableClusters2D,
        ClusterMergeMap &clusterMergeMap) const;

    void MakeClusterMerges(const ClusterToPfoMap &clusterToPfoMap, const ClusterMergeMap &clusterMergeMap) const;

    pandora::StatusCode ReadSettings(const pandora::TiXmlHandle xmlHandle);

    pandora::StringVector   m_inputPfoListNames;            
    bool                    m_useVertex;                    
    unsigned int            m_maxIterations;                
    unsigned int            m_maxHitsToConsider3DTrack;     
    unsigned int            m_minHitsToConsider3DShower;    
    unsigned int            m_maxHitsToConsider2DCluster;   
    unsigned int            m_halfWindowLayers;             
    unsigned int            m_nConeFitLayers;               
    unsigned int            m_nConeFits;                    
    float                   m_coneLengthMultiplier;         
    float                   m_maxConeLength;                
    float                   m_coneTanHalfAngle;             
    float                   m_coneBoundedFraction;          
};

//------------------------------------------------------------------------------------------------------------------------------------------

inline SlidingConeClusterMopUpAlgorithm::ClusterMerge::ClusterMerge(const pandora::Cluster *const pParentCluster, const float boundedFraction, const float meanRT) :
    m_pParentCluster(pParentCluster),
    m_boundedFraction(boundedFraction),
    m_meanRT(meanRT)
{
}

//------------------------------------------------------------------------------------------------------------------------------------------

inline const pandora::Cluster *SlidingConeClusterMopUpAlgorithm::ClusterMerge::GetParentCluster() const
{
    return m_pParentCluster;
}

//------------------------------------------------------------------------------------------------------------------------------------------

inline float SlidingConeClusterMopUpAlgorithm::ClusterMerge::GetBoundedFraction() const
{
    return m_boundedFraction;
}

//------------------------------------------------------------------------------------------------------------------------------------------

inline float SlidingConeClusterMopUpAlgorithm::ClusterMerge::GetMeanRT() const
{
    return m_meanRT;
}

} // namespace lar_content

#endif // #ifndef LAR_SLIDING_CONE_CLUSTER_MOP_UP_ALGORITHM_H