#ifndef TChargeClusters_hxx_seen
#define TChargeClusters_hxx_seen

#include <HEPUnits.hxx>

namespace COMET {
    class IHitSelection;
    class IChargeClusters;
};

/// Cluster hits in a single plane by charge. 
class COMET::IChargeClusters {
public:
    IChargeClusters(double xGap=3.1*unit::cm,
                    double yGap=3.1*unit::cm,
                    double zGap=3*unit::mm);
    virtual ~IChargeClusters();

    /// Do the clustering.
    COMET::IHitSelection* operator()(const COMET::IHitSelection& hits);

private:
    /// The space between hits that should be clusters.
    double fXGap;
    double fYGap;
    double fZGap;
};

#endif