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geant4/source/processes/hadronic/models/generator/management/include/G4V3DNucleus.hh
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2016-06-08 15:55:53 +02:00

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// This code implementation is the intellectual property of
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4V3DNucleus.hh,v 1.4 2000/08/19 16:24:03 hpw Exp $
// GEANT4 tag $Name: geant4-03-00 $
//
#ifndef G4V3DNucleus_h
#define G4V3DNucleus_h 1
class G4Nucleon;
#include "G4DynamicParticle.hh"
#include "G4Pair.hh"
#include "Randomize.hh"
class G4V3DNucleus
{
public:
G4V3DNucleus();
virtual ~G4V3DNucleus();
private:
G4V3DNucleus(const G4V3DNucleus &right);
const G4V3DNucleus & operator=(const G4V3DNucleus &right);
int operator==(const G4V3DNucleus &right) const;
int operator!=(const G4V3DNucleus &right) const;
public:
virtual void Init(G4double theA, G4double theZ) = 0;
virtual G4bool StartLoop() = 0;
virtual G4Nucleon * GetNextNucleon() = 0;
virtual G4int GetMassNumber() = 0;
virtual G4double GetMass() = 0;
virtual G4int GetCharge() = 0;
virtual G4double GetNuclearRadius() = 0;
virtual G4double GetNuclearRadius(const G4double maxRelativeDensity) = 0;
virtual G4double GetOuterRadius() = 0;
virtual void DoLorentzBoost(const G4LorentzVector & theBoost) = 0;
virtual void DoLorentzBoost(const G4ThreeVector & theBeta) = 0;
virtual void DoLorentzContraction(const G4LorentzVector & theBoost) = 0;
virtual void DoLorentzContraction(const G4ThreeVector & theBeta) = 0;
virtual void DoTranslation(const G4ThreeVector & theShift) = 0;
public:
G4Pair<G4double, G4double> ChooseImpactXandY(G4double maxImpact);
G4Pair<G4double, G4double> RefetchImpactXandY(){return theImpactParameter;}
private:
G4Pair<G4double, G4double> theImpactParameter;
};
inline
G4Pair<G4double, G4double> G4V3DNucleus::
ChooseImpactXandY(G4double maxImpact)
{
G4double x,y;
do
{
x = 2*G4UniformRand() - 1;
y = 2*G4UniformRand() - 1;
}
while(x*x + y*y > 1);
G4double impactX = x*(maxImpact);
G4double impactY = y*(maxImpact);
theImpactParameter.first = impactX;
theImpactParameter.second = impactY;
return theImpactParameter;
}
#endif