Import Geant4 3.0.0 source tree

2016-06-08 15:55:53 +02:00
parent e7d7193284
commit cfcb558cfe
3050 changed files with 91703 additions and 48310 deletions
@@ -0,0 +1,80 @@
+//    ********************************************
+//    *                                          *
+//    *    BrachyPrimaryGeneratorAction.cc       *
+//    *                                          *
+//    ********************************************
+
+#include "BrachyPrimaryGeneratorAction.hh"
+
+#include "G4ParticleTable.hh"
+#include "Randomize.hh"  
+#include "G4Event.hh"
+#include "G4ParticleGun.hh"
+#include "G4IonTable.hh"
+#include "G4RadioactiveDecay.hh"
+#include "G4UImanager.hh"
+#include "globals.hh"
+#include <math.h>
+
+//....
+
+BrachyPrimaryGeneratorAction::BrachyPrimaryGeneratorAction()
+{
+ // Generate a gamma particle with energy = Ir-192 mean energy
+ G4int NumParticles = 1;
+ G4double Energy = 0.356*MeV;
+
+ m_pParticleGun = new G4ParticleGun(NumParticles);
+ if(m_pParticleGun) 
+	m_pParticleGun->SetParticleEnergy(Energy);
+}
+
+//....
+
+BrachyPrimaryGeneratorAction::~BrachyPrimaryGeneratorAction()
+{
+ if(m_pParticleGun)
+	delete m_pParticleGun;
+}
+
+//....
+
+void BrachyPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
+{
+ G4ParticleTable* pParticleTable = G4ParticleTable::GetParticleTable();
+ G4String ParticleName = "gamma";
+ G4ParticleDefinition* pParticle = pParticleTable->FindParticle(ParticleName);
+
+ m_pParticleGun->SetParticleDefinition(pParticle);
+
+ // Random generation of gamma source point inside the Iridium core cylinder(R=0.3*mm,h=3.5*mm)
+ G4double radius = 0.3*mm;
+ G4double x,y,z;
+ do{
+   x = (G4UniformRand()-0.5)*radius/0.5;
+   y = (G4UniformRand()-0.5)*radius/0.5;
+   }while(x*x+y*y > radius*radius);
+ z = (G4UniformRand()-0.5)*1.75*mm/0.5;    
+
+ G4ThreeVector position(x,y,z);
+ m_pParticleGun->SetParticlePosition(position);
+
+ // Random generation of the impulse direction
+ G4double a,b,c;
+ G4double n;
+ do{
+   a = (G4UniformRand()-0.5)/0.5;
+   b = (G4UniformRand()-0.5)/0.5; 
+   c = (G4UniformRand()-0.5)/0.5;
+   n = a*a+b*b+c*c;
+   }while(n > 1 || n == 0.0);
+ n = sqrt(n);
+ a /= n;
+ b /= n;
+ c /= n;
+
+ G4ThreeVector direction(a,b,c);
+ m_pParticleGun->SetParticleMomentumDirection(direction);
+
+ m_pParticleGun->GeneratePrimaryVertex(anEvent);
+}