HGCalTBTrack.h

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#ifndef HGCALTBTRACK_H
#define HGCALTBTRACK_H

#include <vector>
#include <cstddef>

#include "DataFormats/Math/interface/Error.h"
#include "DataFormats/Math/interface/Vector3D.h"
#include "DataFormats/Math/interface/Point3D.h"


/** \class HGCal/DataFormats/interface/HGCalTBTrack.h HGCalTBTrack.h HGCalTBTrack
 * \brief Track from FNAL TB Telescope
 *
 */

class HGCalTBTrack
{
public:
    HGCalTBTrack(void); ///< default constructor
    HGCalTBTrack(const float *raw); ///< constructor from FEDRawData: size is the number of floats in the array
    std::vector<float> getRaw(void); ///< returns a vector of floats to be saved into FEDRawData

    static inline unsigned int getSize(void)
    {
        return 7;
    };
    static inline size_t getSizeof(void)
    {
        return sizeof(float) * getSize() ;
    };

    /// spatial vector
    typedef math::XYZVector Vector;

    /// point in the space
    typedef math::XYZPoint Point;

    inline const Point& vertex() const
    {
        return _vertex;
    };
    inline const Vector& momentum() const
    {
        return _momentum;
    };

    Point pointAt(double z) const;
private:
    Point _vertex; ///< intercept on the telescope plane (z = 0)
    Vector _momentum; ///< m_x(z), m_y(z), 1

    float chi2; ///< chi2 of the track
    float m_x_err; ///< uncertainty on x-direction
    float m_y_err; ///< uncertainty on y-direction
};

#endif