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geant4/source/processes/electromagnetic/dna/models/include/G4DNAGillespieDirectMethod.hh
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2022-07-01 10:44:02 +02:00

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//
// ********************************************************************
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#ifndef G4DNAGillespieDirectMethod_hh
#define G4DNAGillespieDirectMethod_hh 1
#include "globals.hh"
#include "G4DNAMesh.hh"
#include "G4Track.hh"
#include "G4Molecule.hh"
#include "G4MolecularConfiguration.hh"
#include "G4MoleculeTable.hh"
#include "G4ITTrackHolder.hh"
#include "G4DNAEventSet.hh"
class G4DNAMolecularReactionData;
class G4DNAScavengerMaterial;
class G4MolecularConfiguration;
class G4DNAGillespieDirectMethod
{
public:
G4DNAGillespieDirectMethod();
~G4DNAGillespieDirectMethod();
using MolType = const G4MolecularConfiguration*;
using Index = G4VDNAMesh::Index;
using Voxel = G4DNAMesh::Voxel;
using JumpingData = std::pair<MolType, Index>;
using ReactionData = const G4DNAMolecularReactionData;
using EventIt = G4DNAEventSet::EventSet::iterator;
G4double PropensityFunction(const Voxel& voxel, ReactionData* data);
G4double PropensityFunction(const Voxel& voxel, MolType moleType);
inline void SetVoxelMesh(G4DNAMesh& mesh) { fpMesh = &mesh; }
void SetTimeStep(const G4double& stepTime);
void Initialize();
void CreateEvent(const Index& index);
void SetEventSet(G4DNAEventSet*);
private:
G4double Reaction(const Voxel& voxel);
G4double DiffusiveJumping(const Voxel& voxel);
G4double ComputeNumberInNode(const Voxel& voxel, MolType type);
G4double VolumeOfNode(const Voxel& voxel);
G4DNAMolecularReactionTable* fMolecularReactions;
G4DNAMesh* fpMesh = nullptr;
G4double fTimeStep;
G4DNAEventSet* fpEventSet = nullptr;
G4double fVerbose = 0;
std::map<G4double /*Propensity*/, ReactionData*> fReactionDataMap;
std::map<G4double /*Propensity*/, JumpingData> fJumpingDataMap;
G4bool FindScavenging(const Voxel& voxel, MolType, G4double&);
G4DNAScavengerMaterial* fpScavengerMaterial = nullptr;
};
#endif