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geant4/examples/basic/B5/include/DriftChamberHit.hh
2025-12-05 08:54:02 +01:00

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//
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/// \file DriftChamberHit.hh
/// \brief Definition of the B5::DriftChamberHit class
#ifndef B5DriftChamberHit_h
#define B5DriftChamberHit_h 1
#include "G4VHit.hh"
#include "G4Allocator.hh"
#include "G4THitsCollection.hh"
#include "G4Threading.hh"
#include "G4ThreeVector.hh"
#include "globals.hh"
#include <map>
#include <vector>
class G4AttDef;
class G4AttValue;
namespace B5
{
/// Drift chamber hit
///
/// It records:
/// - the layer ID
/// - the particle time
/// - the particle local and global positions
class DriftChamberHit : public G4VHit
{
public:
DriftChamberHit() = default;
DriftChamberHit(G4int layerID);
DriftChamberHit(const DriftChamberHit& right) = default;
~DriftChamberHit() override = default;
DriftChamberHit& operator=(const DriftChamberHit& right) = default;
G4bool operator==(const DriftChamberHit& right) const;
inline void* operator new(size_t);
inline void operator delete(void* aHit);
void Draw() override;
const std::map<G4String, G4AttDef>* GetAttDefs() const override;
std::vector<G4AttValue>* CreateAttValues() const override;
void Print() override;
void SetLayerID(G4int z) { fLayerID = z; }
G4int GetLayerID() const { return fLayerID; }
void SetTime(G4double t) { fTime = t; }
G4double GetTime() const { return fTime; }
void SetLocalPos(G4ThreeVector xyz) { fLocalPos = xyz; }
G4ThreeVector GetLocalPos() const { return fLocalPos; }
void SetWorldPos(G4ThreeVector xyz) { fWorldPos = xyz; }
G4ThreeVector GetWorldPos() const { return fWorldPos; }
private:
G4int fLayerID = -1;
G4double fTime = 0.;
G4ThreeVector fLocalPos;
G4ThreeVector fWorldPos;
};
using DriftChamberHitsCollection = G4THitsCollection<DriftChamberHit>;
extern G4ThreadLocal G4Allocator<DriftChamberHit>* DriftChamberHitAllocator;
inline void* DriftChamberHit::operator new(size_t)
{
if (!DriftChamberHitAllocator) {
DriftChamberHitAllocator = new G4Allocator<DriftChamberHit>;
}
return (void*)DriftChamberHitAllocator->MallocSingle();
}
inline void DriftChamberHit::operator delete(void* aHit)
{
DriftChamberHitAllocator->FreeSingle((DriftChamberHit*)aHit);
}
} // namespace B5
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
#endif