include/Geant4/G4RKPropagation.hh

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0025 //
0026
0027 #ifndef G4RKPropagation_h
0028 #define G4RKPropagation_h 1
0029
0030 #include "G4VFieldPropagation.hh"
0031 #include "G4VNuclearField.hh"
0032 #include "G4V3DNucleus.hh"
0033 #include "G4KM_DummyField.hh"
0034 #include "G4Mag_EqRhs.hh"
0035 #include <map>
0036
0037
0038 class G4RKPropagation: public G4VFieldPropagation
0039 {
0040
0041 public:
0042   G4RKPropagation();
0043   virtual ~G4RKPropagation();
0044
0045 private:
0046   G4RKPropagation(const  G4RKPropagation &right);
0047   const G4RKPropagation & operator=(const G4RKPropagation & right);
0048   G4bool operator==(const G4RKPropagation & right) const;
0049   G4bool operator!=(const G4RKPropagation & right) const;
0050
0051 public:
0052
0053   virtual void Init(G4V3DNucleus * nucleus);
0054   virtual void Transport(G4KineticTrackVector &theActive,
0055              const G4KineticTrackVector &theSpectators,
0056              G4double theTimeStep);
0057   G4bool GetSphereIntersectionTimes(const G4KineticTrack * track,
0058                     G4double & t1, G4double & t2);
0059   G4ThreeVector GetMomentumTransfer() const;
0060 private:
0061   G4double theOuterRadius;
0062   G4V3DNucleus * theNucleus;
0063   std::map <G4int, G4VNuclearField *, std::less<G4int> > * theFieldMap;
0064   std::map <G4int, G4Mag_EqRhs *, std::less<G4int> > * theEquationMap;
0065   G4KM_DummyField * theField;
0066
0067   G4ThreeVector theMomentumTranfer;
0068
0069   G4bool GetSphereIntersectionTimes(const G4double radius,
0070                     const G4ThreeVector & currentPos,
0071                     const G4LorentzVector & momentum,
0072                     G4double & t1, G4double & t2);
0073 // implementation
0074
0075   G4bool FieldTransport(G4KineticTrack * track, const G4double timestep);
0076   G4bool FreeTransport(G4KineticTrack * track, const G4double timestep);
0077
0078   void delete_FieldsAndMap(
0079     std::map <G4int, G4VNuclearField *, std::less<G4int> > * aMap);
0080   void delete_EquationsAndMap(
0081     std::map <G4int, G4Mag_EqRhs *, std::less<G4int> > * aMap);
0082
0083   public:
0084   inline G4double GetBarrier(G4int encoding)
0085   {
0086     std::map <G4int, G4VNuclearField *, std::less<G4int> >::iterator iter;
0087     iter = theFieldMap->find(encoding);
0088     if(iter == theFieldMap->end()) return 0;
0089     return (*theFieldMap)[encoding]->GetBarrier();
0090   }
0091
0092   inline G4double GetField(G4int encoding,G4ThreeVector pos)
0093   {
0094     std::map <G4int, G4VNuclearField *, std::less<G4int> >::iterator iter;
0095     iter = theFieldMap->find(encoding);
0096     if(iter == theFieldMap->end()) return 0;
0097     return (*theFieldMap)[encoding]->GetField(pos);
0098   }
0099
0100 };
0101
0102 #endif
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