CbmStripHit.h

Go to the documentation of this file.

/**
 * \file CbmStripHit.h
 * \author Andrey Lebedev <andrey.lebedev@gsi.de>
 * \date 2009
 *
 * Base class for strip-like hits used for tracking in CBM.
 * Derives from CbmBaseHit.
 * Additional members are u coordinate, phi angle and du, dphi measurement errors.
 **/
#ifndef CBMSTRIPHIT_H_
#define CBMSTRIPHIT_H_
 
#include "CbmBaseHit.h"
 
class TVector3;
 
class CbmStripHit : public CbmBaseHit
{
  public:
    /**
     * \brief Default constructor.
     */
    CbmStripHit();
 
    /**
     * \brief Standard constructor.
     * \param address detector unique identifier
     * \param u coordinate in the rotated c.s. [cm]
     * \param phi strip rotation angle [rad]
     * \param z Z position of the hit [cm]
     * \param du U measurement error [cm]
     * \param dphi PHI measurement error [rad]
     * \param dz Z measurement error [cm]
     * \param refId some reference ID
     **/
    CbmStripHit(Int_t address,
                Double_t u,
                Double_t phi,
                Double_t z,
                Double_t du,
                Double_t dphi,
                Double_t dz,
                Int_t refId);
 
    /**
     * \brief Standard constructor.
     * \param address Detector unique identifier.
     * \param pos Position of the hit as TVector3 (u, phi, z) [cm].
     * \param err Position errors of the hit as TVector3 (du, dphi, dz) [cm].
     * \param refId Some reference ID.
     **/
    CbmStripHit(Int_t address, const TVector3& pos, const TVector3& err, Int_t refId);
 
    /**
     * \brief Destructor.
     */
    virtual ~CbmStripHit();
 
    /**
     * \brief Inherited from CbmBaseHit.
     **/
    virtual string ToString() const;
 
    /* Accessors */
    Double_t GetU() const { return fU; }
    Double_t GetPhi() const { return fPhi; }
    Double_t GetDu() const { return fDu; }
    Double_t GetDphi() const { return fDphi; }
 
    /* Setters */
    void SetU(Double_t u) { fU = u; }
    void SetPhi(Double_t phi) { fPhi = phi; }
    void SetDu(Double_t du) { fDu = du; }
    void SetDphi(Double_t dphi) { fDphi = dphi; }
 
  private:
    Double_t fU;      ///< U coordinate in the rotated c.s [cm]
    Double_t fDu;     ///< U error [cm]
    Double_t fPhi;    ///< strip rotation angle [rad]
    Double_t fDphi;   ///< strip rotation error [rad]
 
    ClassDef(CbmStripHit, 1);
};
 
#endif /* CBMSTRIPHIT_H_ */