Geant4  10.03.p03
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G4INCLCoulombNone.cc
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25 //
26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France
33 //
34 #define INCLXX_IN_GEANT4_MODE 1
35 
36 #include "globals.hh"
37 
45 #include "G4INCLCoulombNone.hh"
46 #include "G4INCLIntersection.hh"
47 
48 namespace G4INCL {
49 
52  if(intersection.exists) { // If the particle enters the nucleus
53  p->setPosition(intersection.position);
54  return new ParticleEntryAvatar(0.0, n, p);
55  } else // If the particle does NOT enter the nucleus
56  return NULL;
57  }
58 
60  // The avatar list that we will return
61  IAvatarList theAvatarList;
62 
63  // Loop over the particles in the cluster
64  ParticleList const &projectiles = c->getParticles();
65  std::list<Intersection> theIntersections;
66  G4double theFirstEntryTime = 1E+60; // a large time
67  G4int theFirstID = 0;
68  for(ParticleIter p=projectiles.begin(), e=projectiles.end(); p!=e; ++p) {
69  // Check if the particle enters the nucleus
71  (*p)->getPosition(),
72  (*p)->getPropagationVelocity(),
73  n->getUniverseRadius()));
74  // Store the intersections
75  theIntersections.push_back(intersection);
76  if(intersection.exists) {
77  // Position the particle at the entry point
78  (*p)->setPosition(intersection.position);
79 
80  // Keep track of the first entering particle
81  if(intersection.time < theFirstEntryTime) {
82  theFirstEntryTime = intersection.time;
83  theFirstID = (*p)->getID();
84  }
85  }
86  }
87 
88  std::list<Intersection>::const_iterator intIter = theIntersections.begin();
89  for(ParticleIter p=projectiles.begin(), e=projectiles.end(); p!=e; ++p, ++intIter) {
90 
91  if((*intIter).exists) {
92  // If the particle enters the nucleus, generate a ParticleEntryAvatar
93  // for it and add it to the list of avatars that we will return
94  if((*p)->getID() == theFirstID) {
95  // The first particle always enters exactly at t=0 (in order to
96  // avoid negative entry times due to rounding)
97  theAvatarList.push_back(new ParticleEntryAvatar(0.0, n, *p));
98  } else
99  theAvatarList.push_back(new ParticleEntryAvatar(intIter->time - theFirstEntryTime, n, *p));
100  }
101 
102  }
103 
104  return theAvatarList;
105  }
106 
107 }
ParticleList const & getParticles() const
ThreeVector getPropagationVelocity() const
Get the propagation velocity of the particle.
const char * p
Definition: xmltok.h:285
int G4int
Definition: G4Types.hh:78
Intersection getEarlierTrajectoryIntersection(const ThreeVector &x0, const ThreeVector &p, const G4double r)
Compute the first intersection of a straight particle trajectory with a sphere.
virtual void setPosition(const G4INCL::ThreeVector &position)
Placeholder class for no Coulomb distortion.
const G4int n
ParticleEntryAvatar * bringToSurface(Particle *const p, Nucleus *const n) const
Position the particle on the surface of the nucleus.
const G4INCL::ThreeVector & getPosition() const
G4double getUniverseRadius() const
Getter for theUniverseRadius.
Intersection-point structure.
double G4double
Definition: G4Types.hh:76
tuple c
Definition: test.py:13
ParticleList::const_iterator ParticleIter
Simple class for computing intersections between a straight line and a sphere.