TrackLineFitAlg.h

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//////////////////////////////////////////////////////////////////////
///
/// TrackLineFitAlg class
///
/// Bruce Baller, baller@fnal.gov
///
/// Algorithm for fitting a 3D line given a number of points in 3 wire planes
///
////////////////////////////////////////////////////////////////////////
#ifndef TRACKLINEFITALG_H
#define TRACKLINEFITALG_H

#include <vector>

#include "art/Framework/Services/Registry/ServiceHandle.h"

// LArSoft includes
#include "larcore/Geometry/Geometry.h"
namespace geo { struct WireID; }

class TVector3;

namespace trkf {

  class TrackLineFitAlg {
    public:

    void TrkLineFit(std::vector<geo::WireID>& hitWID, std::vector<double>& hitX, std::vector<double>& hitXErr,
                    double XOrigin, TVector3& Pos, TVector3& Dir, float& ChiDOF) const;

    private:

    art::ServiceHandle<geo::Geometry const> geom;

  }; // class TrackLineFitAlg

} // namespace trkf

#endif // ifndef TRACKLINEFITALG_H