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// $Id: G4SmoothTrajectory.hh 67009 2013-01-29 16:00:21Z gcosmo $

//

//---------------------------------------------------------------

//

// G4SmoothTrajectory.hh

//

// class description:

//   This class represents the trajectory of a particle tracked.

//   It includes information of

//     1) List of trajectory points which compose the trajectory,

//     2) static information of particle which generated the

//        trajectory,

//     3) trackID and parent particle ID of the trajectory,

//     4) Auxiliary points will be associated to G4SmoothTrajectoryPoint

//        to assist drawing smoothly curved trajectory.

//

// ---------------------------------------------------------------


class G4SmoothTrajectory;


#ifndef G4SmoothTrajectory_h

#define G4SmoothTrajectory_h 1


#include "G4VTrajectory.hh"

#include "G4Allocator.hh"

#include <stdlib.h>                 // Include from 'system'

#include "G4ios.hh"               // Include from 'system'

#include <vector>            // G4RWTValOrderedVector

#include "globals.hh"               // Include from 'global'

#include "G4ParticleDefinition.hh"  // Include from 'particle+matter'

#include "G4SmoothTrajectoryPoint.hh"     // Include from 'tracking'

#include "G4Track.hh"

#include "G4Step.hh"


class G4Polyline;                   // Forward declaration.


typedef std::vector<G4VTrajectoryPoint*>  TrajectoryPointContainer;

class G4SmoothTrajectory : public G4VTrajectory

{


//--------

public: // with description

//--------


// Constructor/Destrcutor


   G4SmoothTrajectory();


   G4SmoothTrajectory(const G4Track* aTrack);

   G4SmoothTrajectory(G4SmoothTrajectory &);

   virtual ~G4SmoothTrajectory();


private:

   G4SmoothTrajectory& operator= (const G4SmoothTrajectory&);


// Operators

public:

   inline void* operator new(size_t);

   inline void  operator delete(void*);

   inline int operator == (const G4SmoothTrajectory& right) const

   {return (this==&right);}


// Get/Set functions

   inline G4int GetTrackID() const

   { return fTrackID; }

   inline G4int GetParentID() const

   { return fParentID; }

   inline G4String GetParticleName() const

   { return ParticleName; }

   inline G4double GetCharge() const

   { return PDGCharge; }

   inline G4int GetPDGEncoding() const

   { return PDGEncoding; }

   inline G4double GetInitialKineticEnergy() const

   { return initialKineticEnergy; }

   inline G4ThreeVector GetInitialMomentum() const

   { return initialMomentum; }


// Other member functions

   virtual void ShowTrajectory(std::ostream& os=G4cout) const;

   //virtual void DrawTrajectory() const;

   virtual void DrawTrajectory(G4int i_mode = 0) const;

   virtual void AppendStep(const G4Step* aStep);

   virtual int GetPointEntries() const { return positionRecord->size(); }

   virtual G4VTrajectoryPoint* GetPoint(G4int i) const

   { return (*positionRecord)[i]; }

   virtual void MergeTrajectory(G4VTrajectory* secondTrajectory);


   G4ParticleDefinition* GetParticleDefinition();


// Get method for HEPRep style attributes

   virtual const std::map<G4String,G4AttDef>* GetAttDefs() const;

   virtual std::vector<G4AttValue>* CreateAttValues() const;


//---------

   private:

//---------


  TrajectoryPointContainer* positionRecord;

  G4int                     fTrackID;

  G4int                     fParentID;

  G4int                     PDGEncoding;

  G4double                  PDGCharge;

  G4String                  ParticleName;

  G4double                  initialKineticEnergy;

  G4ThreeVector             initialMomentum;


};


#if defined G4TRACKING_ALLOC_EXPORT

  extern G4DLLEXPORT G4Allocator<G4SmoothTrajectory> aSmoothTrajectoryAllocator;

#else

  extern G4DLLIMPORT G4Allocator<G4SmoothTrajectory> aSmoothTrajectoryAllocator;

#endif


inline void* G4SmoothTrajectory::operator new(size_t)

{

  void* aTrajectory;

  aTrajectory = (void*)aSmoothTrajectoryAllocator.MallocSingle();

  return aTrajectory;

}


inline void G4SmoothTrajectory::operator delete(void* aTrajectory)

{

  aSmoothTrajectoryAllocator.FreeSingle((G4SmoothTrajectory*)aTrajectory);

}


#endif