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geant4/source/processes/electromagnetic/xrays/include/G4CerenkovQuasiTrackInfo.hh
2025-12-05 08:54:02 +01:00

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//
// ********************************************************************
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// ********************************************************************
// Class Description:
//
// Concrete implementation of G4VAuxiliaryTrackInformation used to store
// metadata associated with a quasi-Cerenkov track generated during the
// Cerenkov process.
//
// This class is intended to be attached to a G4Track of G4QuasiOpticalPhoton
// via G4Track::SetAuxiliaryTrackInformation(modelId, this) where
// modelId is obtained by G4PhysicsModelCatalog::GetModelID("model_Cerenkov")
// The stored information can later be retrieved using:
// G4Track::GetAuxiliaryTrackInformation(modelId).
//
#ifndef G4CerenkovQuasiTrackInfo_h
#define G4CerenkovQuasiTrackInfo_h
#include "G4Allocator.hh"
#include "G4QuasiOpticalData.hh"
#include "G4VAuxiliaryTrackInformation.hh"
class G4CerenkovQuasiTrackInfo : public G4VAuxiliaryTrackInformation
{
public:
explicit G4CerenkovQuasiTrackInfo(const G4QuasiOpticalData& data,
G4double pre_num_photons,
G4double post_num_photons);
~G4CerenkovQuasiTrackInfo() override = default;
// Required by G4VAuxiliaryTrackInformation
void* operator new(size_t);
void operator delete(void* aCerenkovATI);
// Copy Constructor/instruction
G4CerenkovQuasiTrackInfo(const G4CerenkovQuasiTrackInfo&) = default;
G4CerenkovQuasiTrackInfo& operator=(const G4CerenkovQuasiTrackInfo&) = default;
void Print() const override;
G4QuasiOpticalData GetQuasiOpticalData() const { return fQuasiOpticalData; }
G4double GetPreNumPhotons() const { return fPreNumPhotons; }
G4double GetPostNumPhotons() const { return fPostNumPhotons; }
// Static class allowing to check if a G4VAuxiliaryTrackInformation is a
// G4CerenkovQuasiTrackInfo and cast it without changing the pointer of the
// pointed data.
static G4CerenkovQuasiTrackInfo* Cast(
const G4VAuxiliaryTrackInformation* const);
private:
G4QuasiOpticalData fQuasiOpticalData; // Common optical data
G4double fPreNumPhotons{}; // Average number of photons at the pre-step
G4double fPostNumPhotons{}; // Average number of photons at the post-step
};
///
// Inline methods:
// Implementation adapted from G4ScintillationTrackInformation
///
#if defined G4EM_ALLOC_EXPORT
extern G4DLLEXPORT G4Allocator<G4CerenkovQuasiTrackInfo>*&
aCerenkovATIAllocator();
#else
extern G4DLLIMPORT G4Allocator<G4CerenkovQuasiTrackInfo>*&
aCerenkovATIAllocator();
#endif
inline void* G4CerenkovQuasiTrackInfo::operator new(size_t)
{
if(aCerenkovATIAllocator() == nullptr)
{
aCerenkovATIAllocator() = new G4Allocator<G4CerenkovQuasiTrackInfo>;
}
return (void*) aCerenkovATIAllocator()->MallocSingle();
}
inline void G4CerenkovQuasiTrackInfo::operator delete(void* aCerenkovATI)
{
aCerenkovATIAllocator()->FreeSingle((G4CerenkovQuasiTrackInfo*) aCerenkovATI);
}
#endif // G4CerenkovQuasiTrackInfo_h