StMuFmsPoint.h

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// $Id$
//
// $Log$
#ifndef STROOT_STMUDSTMAKER_COMMON_STMUFMSPOINT_H_
#define STROOT_STMUDSTMAKER_COMMON_STMUFMSPOINT_H_

#include <TLorentzVector.h>
#include <TObject.h>
#include <TRef.h>
#include <TVector3.h>

class StFmsPoint;  // The equivalent point structure in StEvent
class StMuFmsCluster;

class StMuFmsPoint : public TObject {
 public:
  StMuFmsPoint(int detectorId = 0, float energy = 0.f,
               float x = 0.f, float y = 0.f, float z = 0.f);
  explicit StMuFmsPoint(const StFmsPoint&);
  virtual ~StMuFmsPoint();
  UShort_t detectorId() const { return mDetectorId; }
  float energy() const { return mEnergy; }
  float x() const { return mX; }
  float y() const { return mY; }
  float z() const { return mZ; }
  TVector3 xyz() const { return TVector3(mX, mY, mZ); }
  TVector3 momentum(float m = 0.f) const;
  TLorentzVector fourMomentum(float m = 0.f) const;
  StMuFmsCluster* cluster();
  const StMuFmsCluster* cluster() const;
  void setDetectorId(UShort_t detector) { mDetectorId = detector; }
  void setEnergy(float energy) { mEnergy = energy; }
  void setX(float x) { mX = x; }
  void setY(float y) { mY = y; }
  void setZ(float z) { mZ = z; }
  void set(const StFmsPoint&);
  void setCluster(StMuFmsCluster* cluster);

 protected:
  UShort_t mDetectorId;  
  Float_t mEnergy;  
  Float_t mX;  
  Float_t mY;  
  Float_t mZ;  
  TRef mCluster;  

 private:
  StMuFmsPoint(const StMuFmsPoint&);
  StMuFmsPoint& operator=(const StMuFmsPoint&);
  ClassDef(StMuFmsPoint, 1)
};
#endif  // STROOT_STMUDSTMAKER_COMMON_STMUFMSPOINT_H_