G4Trajectory.cc

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//
// G4Trajectory class implementation
//
// 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)
// --------------------------------------------------------------------
 
#include "G4Trajectory.hh"
#include "G4TrajectoryPoint.hh"
#include "G4ParticleTable.hh"
#include "G4AttDefStore.hh"
#include "G4AttDef.hh"
#include "G4AttValue.hh"
#include "G4UIcommand.hh"
#include "G4UnitsTable.hh"
 
// #define G4ATTDEBUG
#ifdef G4ATTDEBUG
#include "G4AttCheck.hh"
#endif
 
G4Allocator<G4Trajectory>*& aTrajectoryAllocator()
{
  G4ThreadLocalStatic G4Allocator<G4Trajectory>* _instance = nullptr;
  return _instance;
}
 
G4Trajectory::G4Trajectory()
  : initialMomentum( G4ThreeVector() )
{
}
 
G4Trajectory::G4Trajectory(const G4Track* aTrack)
{
  G4ParticleDefinition* fpParticleDefinition = aTrack->GetDefinition();
  ParticleName = fpParticleDefinition->GetParticleName();
  PDGCharge = fpParticleDefinition->GetPDGCharge();
  PDGEncoding = fpParticleDefinition->GetPDGEncoding();
  fTrackID = aTrack->GetTrackID();
  fParentID = aTrack->GetParentID();
  initialKineticEnergy = aTrack->GetKineticEnergy();
  initialMomentum = aTrack->GetMomentum();
  positionRecord = new G4TrajectoryPointContainer();
 
  // Following is for the first trajectory point
  positionRecord->push_back(new G4TrajectoryPoint(aTrack->GetPosition()));
}
 
G4Trajectory::G4Trajectory(G4Trajectory& right)
  : G4VTrajectory()
{
  ParticleName = right.ParticleName;
  PDGCharge = right.PDGCharge;
  PDGEncoding = right.PDGEncoding;
  fTrackID = right.fTrackID;
  fParentID = right.fParentID;
  initialKineticEnergy = right.initialKineticEnergy;
  initialMomentum = right.initialMomentum;
  positionRecord = new G4TrajectoryPointContainer();
 
  for(std::size_t i=0; i<right.positionRecord->size(); ++i)
  {
    G4TrajectoryPoint* rightPoint
      = (G4TrajectoryPoint*)((*(right.positionRecord))[i]);
    positionRecord->push_back(new G4TrajectoryPoint(*rightPoint));
  }
}
 
G4Trajectory::~G4Trajectory()
{
  if (positionRecord != nullptr)
  {
    for(std::size_t i=0; i<positionRecord->size(); ++i)
    {
      delete  (*positionRecord)[i];
    }
    positionRecord->clear();
    delete positionRecord;
  }
}
 
void G4Trajectory::ShowTrajectory(std::ostream& os) const
{
  // Invoke the default implementation in G4VTrajectory...
  G4VTrajectory::ShowTrajectory(os);
 
  // ... or override with your own code here.
}
 
void G4Trajectory::DrawTrajectory() const
{
  // Invoke the default implementation in G4VTrajectory...
  G4VTrajectory::DrawTrajectory();
 
  // ... or override with your own code here.
}
 
const std::map<G4String,G4AttDef>* G4Trajectory::GetAttDefs() const
{
  G4bool isNew;
  std::map<G4String,G4AttDef>* store
    = G4AttDefStore::GetInstance("G4Trajectory",isNew);
  if (isNew)
  {
    G4String ID("ID");
    (*store)[ID] = G4AttDef(ID,"Track ID","Physics","","G4int");
 
    G4String PID("PID");
    (*store)[PID] = G4AttDef(PID,"Parent ID","Physics","","G4int");
 
    G4String PN("PN");
    (*store)[PN] = G4AttDef(PN,"Particle Name","Physics","","G4String");
 
    G4String Ch("Ch");
    (*store)[Ch] = G4AttDef(Ch,"Charge","Physics","e+","G4double");
 
    G4String PDG("PDG");
    (*store)[PDG] = G4AttDef(PDG,"PDG Encoding","Physics","","G4int");
 
    G4String IKE("IKE");
    (*store)[IKE] = 
      G4AttDef(IKE, "Initial kinetic energy",
           "Physics","G4BestUnit","G4double");
 
    G4String IMom("IMom");
    (*store)[IMom] = G4AttDef(IMom, "Initial momentum",
                  "Physics","G4BestUnit","G4ThreeVector");
 
    G4String IMag("IMag");
    (*store)[IMag] = 
      G4AttDef(IMag, "Initial momentum magnitude",
           "Physics","G4BestUnit","G4double");
 
    G4String NTP("NTP");
    (*store)[NTP] = G4AttDef(NTP,"No. of points","Physics","","G4int");
 
  }
  return store;
}
 
std::vector<G4AttValue>* G4Trajectory::CreateAttValues() const
{
  std::vector<G4AttValue>* values = new std::vector<G4AttValue>;
 
  values->push_back
    (G4AttValue("ID",G4UIcommand::ConvertToString(fTrackID),""));
 
  values->push_back
    (G4AttValue("PID",G4UIcommand::ConvertToString(fParentID),""));
 
  values->push_back(G4AttValue("PN",ParticleName,""));
 
  values->push_back
    (G4AttValue("Ch",G4UIcommand::ConvertToString(PDGCharge),""));
 
  values->push_back
    (G4AttValue("PDG",G4UIcommand::ConvertToString(PDGEncoding),""));
 
  values->push_back
    (G4AttValue("IKE",G4BestUnit(initialKineticEnergy,"Energy"),""));
 
  values->push_back
    (G4AttValue("IMom",G4BestUnit(initialMomentum,"Energy"),""));
 
  values->push_back
    (G4AttValue("IMag",G4BestUnit(initialMomentum.mag(),"Energy"),""));
 
  values->push_back
    (G4AttValue("NTP",G4UIcommand::ConvertToString(GetPointEntries()),""));
 
#ifdef G4ATTDEBUG
  G4cout << G4AttCheck(values,GetAttDefs());
#endif
 
  return values;
}
 
void G4Trajectory::AppendStep(const G4Step* aStep)
{
  positionRecord->push_back( new G4TrajectoryPoint(aStep->GetPostStepPoint()->
                                                   GetPosition()) );
}
  
G4ParticleDefinition* G4Trajectory::GetParticleDefinition()
{
  return (G4ParticleTable::GetParticleTable()->FindParticle(ParticleName));
}
 
void G4Trajectory::MergeTrajectory(G4VTrajectory* secondTrajectory)
{
  if(secondTrajectory == nullptr) return;
 
  G4Trajectory* seco = (G4Trajectory*)secondTrajectory;
  G4int ent = seco->GetPointEntries();
  for(G4int i=1; i<ent; ++i) // initial pt of 2nd trajectory shouldn't be merged
  {
    positionRecord->push_back((*(seco->positionRecord))[i]);
  }
  delete (*seco->positionRecord)[0];
  seco->positionRecord->clear();
}