SlidingConePfoMopUpAlgorithm.h

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#ifndef LAR_SLIDING_CONE_PFO_MOP_UP_ALGORITHM_H
#define LAR_SLIDING_CONE_PFO_MOP_UP_ALGORITHM_H 1

#include "larpandoracontent/LArUtility/PfoMopUpBaseAlgorithm.h"

#include <unordered_map>

namespace lar_content
{

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

private:
    class ClusterMerge
    {
    public:
        ClusterMerge(const pandora::Cluster *const pParentCluster, const float boundedFraction1, const float boundedFraction2);

        const pandora::Cluster *GetParentCluster() const;

        float GetBoundedFraction1() const;

        float GetBoundedFraction2() const;

        bool operator<(const ClusterMerge &rhs) const;

    private:
        const pandora::Cluster *m_pParentCluster; 
        float m_boundedFraction1;                 
        float m_boundedFraction2;                 
    };

    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;

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

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

    typedef std::unordered_map<const pandora::Cluster *, bool> VertexAssociationMap;

    bool IsVertexAssociated(const pandora::Cluster *const pCluster, const pandora::Vertex *const pVertex,
        VertexAssociationMap &vertexAssociationMap, const ThreeDSlidingFitResult *const pSlidingFitResult = nullptr) const;

    bool IsVertexAssociated(const pandora::Cluster *const pCluster, const pandora::CartesianVector &vertexPosition,
        const ThreeDSlidingFitResult *const pSlidingFitResult = nullptr) const;

    bool MakePfoMerges(const ClusterToPfoMap &clusterToPfoMap, const ClusterMergeMap &clusterMergeMap) const;

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

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

    pandora::StringVector m_inputPfoListNames; 
    bool m_useVertex;                          
    unsigned int m_maxIterations;              
    unsigned int m_maxHitsToConsider3DTrack;   
    unsigned int m_minHitsToConsider3DShower;  
    unsigned int m_halfWindowLayers;           
    unsigned int m_nConeFitLayers;             
    unsigned int m_nConeFits;                  
    float m_coneLengthMultiplier;              
    float m_maxConeLength;                     
    float m_coneTanHalfAngle1;                 
    float m_coneBoundedFraction1;              
    float m_coneTanHalfAngle2;                 
    float m_coneBoundedFraction2;              
    float m_minVertexLongitudinalDistance;     
    float m_maxVertexTransverseDistance;       
};

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

inline SlidingConePfoMopUpAlgorithm::ClusterMerge::ClusterMerge(
    const pandora::Cluster *const pParentCluster, const float boundedFraction1, const float boundedFraction2) :
    m_pParentCluster(pParentCluster),
    m_boundedFraction1(boundedFraction1),
    m_boundedFraction2(boundedFraction2)
{
}

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

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

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

inline float SlidingConePfoMopUpAlgorithm::ClusterMerge::GetBoundedFraction1() const
{
    return m_boundedFraction1;
}

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

inline float SlidingConePfoMopUpAlgorithm::ClusterMerge::GetBoundedFraction2() const
{
    return m_boundedFraction2;
}

} // namespace lar_content

#endif // #ifndef LAR_SLIDING_CONE_PFO_MOP_UP_ALGORITHM_H