Import Geant4 10.0.0 source tree

2016-06-10 11:51:14 +02:00
parent e2d2f9810a
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+//
+//
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+#include "OpNovicePrimaryGeneratorAction.hh"
+#include "OpNovicePrimaryGeneratorMessenger.hh"
+
+#include "Randomize.hh"
+
+#include "G4Event.hh"
+#include "G4ParticleGun.hh"
+#include "G4ParticleTable.hh"
+#include "G4ParticleDefinition.hh"
+#include "G4SystemOfUnits.hh"
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+OpNovicePrimaryGeneratorAction::OpNovicePrimaryGeneratorAction()
+ : G4VUserPrimaryGeneratorAction(), 
+   fParticleGun(0)
+{
+  G4int n_particle = 1;
+  fParticleGun = new G4ParticleGun(n_particle);
+
+  //create a messenger for this class
+  fGunMessenger = new OpNovicePrimaryGeneratorMessenger(this);
+
+  //default kinematic
+  //
+  G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
+  G4ParticleDefinition* particle = particleTable->FindParticle("e+");
+
+  fParticleGun->SetParticleDefinition(particle);
+  fParticleGun->SetParticleTime(0.0*ns);
+  fParticleGun->SetParticlePosition(G4ThreeVector(0.0*cm,0.0*cm,0.0*cm));
+  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
+  fParticleGun->SetParticleEnergy(500.0*keV);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+OpNovicePrimaryGeneratorAction::~OpNovicePrimaryGeneratorAction()
+{
+  delete fParticleGun;
+  delete fGunMessenger;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+void OpNovicePrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
+{
+  fParticleGun->GeneratePrimaryVertex(anEvent);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+void OpNovicePrimaryGeneratorAction::SetOptPhotonPolar()
+{
+ G4double angle = G4UniformRand() * 360.0*deg;
+ SetOptPhotonPolar(angle);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+void OpNovicePrimaryGeneratorAction::SetOptPhotonPolar(G4double angle)
+{
+ if (fParticleGun->GetParticleDefinition()->GetParticleName()!="opticalphoton")
+   {
+     G4cout << "--> warning from PrimaryGeneratorAction::SetOptPhotonPolar() :"
+               "the particleGun is not an opticalphoton" << G4endl;
+     return;
+   }
+
+ G4ThreeVector normal (1., 0., 0.);
+ G4ThreeVector kphoton = fParticleGun->GetParticleMomentumDirection();
+ G4ThreeVector product = normal.cross(kphoton);
+ G4double modul2       = product*product;
+ 
+ G4ThreeVector e_perpend (0., 0., 1.);
+ if (modul2 > 0.) e_perpend = (1./std::sqrt(modul2))*product;
+ G4ThreeVector e_paralle    = e_perpend.cross(kphoton);
+ 
+ G4ThreeVector polar = std::cos(angle)*e_paralle + std::sin(angle)*e_perpend;
+ fParticleGun->SetParticlePolarization(polar);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......