ECCE @ EIC Software
•All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4V3DNucleus.hh
Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file G4V3DNucleus.hh
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 //
28 // 20110805 M. Kelsey -- Change nucleon vector to use objects, not pointers
29 
30 #ifndef G4V3DNucleus_h
31 #define G4V3DNucleus_h 1
32 
33 class G4Nucleon;
34 class G4VNuclearDensity;
35 #include "G4DynamicParticle.hh"
36 #include "Randomize.hh"
37 #include <utility>
38 #include <vector>
39 
40 class G4V3DNucleus
41 {
42 
43  public:
44  G4V3DNucleus();
45  virtual ~G4V3DNucleus();
46 
47  private:
48  G4V3DNucleus(const G4V3DNucleus &right);
49  const G4V3DNucleus & operator=(const G4V3DNucleus &right);
50  G4bool operator==(const G4V3DNucleus &right) const;
51  G4bool operator!=(const G4V3DNucleus &right) const;
52 
53  public:
54  virtual void Init(G4int theA, G4int theZ) = 0;
55  virtual G4bool StartLoop() = 0;
56  virtual G4Nucleon * GetNextNucleon() = 0;
57  virtual const std::vector<G4Nucleon> & GetNucleons() = 0;
58  virtual G4int GetMassNumber() = 0;
59  virtual G4double GetMass() = 0;
60  virtual G4int GetCharge() = 0;
61  virtual G4double GetNuclearRadius() = 0;
62  virtual G4double GetNuclearRadius(const G4double maxRelativeDensity) = 0;
63  virtual G4double GetOuterRadius() = 0;
64  virtual G4double CoulombBarrier() = 0;
65  virtual void DoLorentzBoost(const G4LorentzVector & theBoost) = 0;
66  virtual void DoLorentzBoost(const G4ThreeVector & theBeta) = 0;
67  virtual void DoLorentzContraction(const G4LorentzVector & theBoost) = 0;
68  virtual void DoLorentzContraction(const G4ThreeVector & theBeta) = 0;
69  virtual void DoTranslation(const G4ThreeVector & theShift) = 0;
70  virtual const G4VNuclearDensity * GetNuclearDensity() const = 0;
71  virtual void SortNucleonsIncZ() = 0;
72  virtual void SortNucleonsDecZ() = 0;
73 
74  public:
75  std::pair<G4double, G4double> ChooseImpactXandY(G4double maxImpact);
76  std::pair<G4double, G4double> RefetchImpactXandY(){return theImpactParameter;}
77 
78  private:
79 
80  std::pair<G4double, G4double> theImpactParameter;
81 
82 };
83 
84 inline
85 std::pair<G4double, G4double> G4V3DNucleus::
86 ChooseImpactXandY(G4double maxImpact)
87 {
88  G4double x,y;
89  do
90  {
91  x = 2*G4UniformRand() - 1;
92  y = 2*G4UniformRand() - 1;
93  }
94  while(x*x + y*y > 1); /* Loop checking, 30-Oct-2015, G.Folger */
95 
96  G4double impactX = x*(maxImpact);
97  G4double impactY = y*(maxImpact);
98  theImpactParameter.first = impactX;
99  theImpactParameter.second = impactY;
100  return theImpactParameter;
101 }
102 
103 
104 #endif
105 
106