G4SmoothTrajectory.hh

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//
// G4SmoothTrajectory
//
// 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 generates 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.
 
// Contact:
//   Questions and comments to this code should be sent to
//     Katsuya Amako  (e-mail: Katsuya.Amako@kek.jp)
//     Makoto  Asai   (e-mail: asai@slac.stanford.edu)
//     Takashi Sasaki (e-mail: Takashi.Sasaki@kek.jp)
// --------------------------------------------------------------------
#ifndef G4SmoothTrajectory_hh
#define G4SmoothTrajectory_hh 1
 
#include <stdlib.h>                   // Include from 'system'
#include <vector>
 
#include "trkgdefs.hh"
#include "G4VTrajectory.hh"
#include "G4Allocator.hh"
#include "G4ios.hh"                   // Include from 'system'
#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;
 
class G4SmoothTrajectory : public G4VTrajectory
{
  using G4TrajectoryPointContainer = std::vector<G4VTrajectoryPoint*>;
 
  public:
 
    // Constructors/Destructor
    //
    G4SmoothTrajectory();
    G4SmoothTrajectory(const G4Track* aTrack);
    G4SmoothTrajectory(G4SmoothTrajectory &);
    virtual ~G4SmoothTrajectory();
 
    // Operators
    //
    G4SmoothTrajectory& operator= (const G4SmoothTrajectory&) = delete;
    inline G4int operator == (const G4SmoothTrajectory& r) const;
    inline void* operator new(size_t);
    inline void  operator delete(void*);
 
    // 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 AppendStep(const G4Step* aStep);
    virtual G4int 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:
 
    G4TrajectoryPointContainer* positionRecord = nullptr;
    G4int                       fTrackID = 0;
    G4int                       fParentID = 0;
    G4int                       PDGEncoding = 0;
    G4double                    PDGCharge = 0.0;
    G4String                    ParticleName = "";
    G4double                    initialKineticEnergy = 0.0;
    G4ThreeVector               initialMomentum;
};
 
extern G4TRACKING_DLL
G4Allocator<G4SmoothTrajectory>*& aSmoothTrajectoryAllocator();
 
inline void* G4SmoothTrajectory::operator new(size_t)
{
  if (aSmoothTrajectoryAllocator() == nullptr)
  {
    aSmoothTrajectoryAllocator() = new G4Allocator<G4SmoothTrajectory>;
  }
  return (void*)aSmoothTrajectoryAllocator()->MallocSingle();
}
 
inline void G4SmoothTrajectory::operator delete(void* aTrajectory)
{
  aSmoothTrajectoryAllocator()->FreeSingle((G4SmoothTrajectory*)aTrajectory);
}
 
inline G4int G4SmoothTrajectory::operator== (const G4SmoothTrajectory& r) const
{
  return (this==&r);
}
 
#endif