ShowerFrontFunction.h

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#ifndef _SdHorizontalReconstruction_ShowerFrontFunction_h_
#define _SdHorizontalReconstruction_ShowerFrontFunction_h_

#include "FitInterface.h"

#include <Minuit2/FCNBase.h>
#include <vector>
#include <utl/MuonArrivalTime.h>

namespace utl {
  class Point;
};

namespace SdHorizontalReconstructionNS {

  class SdHorizontalReconstruction;

  class ShowerFrontFunction : public ROOT::Minuit2::FCNBase {
  public:

    ShowerFrontFunction(const SdHorizontalReconstruction& config,
                        const utl::Point& core,
                        const StationList& list,
                        const ExternalGeometryData& gd);

    ~ShowerFrontFunction() {}

    double
    operator()(const std::vector<double>& pars) const;

    void
    Predict(double& meanCT, double& sigmaCT,
            const StationData& sd,
            const utl::Point& originPos,
            const double originCT) const;

    double Up() const { return 0.5; }

  protected:
    const SdHorizontalReconstruction& fConfig;
    const utl::Point& fCore;
    const StationList& fList;
    const ExternalGeometryData& fExt;
    mutable utl::MuonArrivalTime fMat;
  };

} // SdHorizontalReconstructionNS

#endif