Import Geant4 6.2.0 source tree

2016-06-09 10:56:29 +02:00
parent 1d812b78b1
commit e083ffb441
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+//
+// ********************************************************************
+// * DISCLAIMER                                                       *
+// *                                                                  *
+// * The following disclaimer summarizes all the specific disclaimers *
+// * of contributors to this software. The specific disclaimers,which *
+// * govern, are listed with their locations in:                      *
+// *   http://cern.ch/geant4/license                                  *
+// *                                                                  *
+// * 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.                                                             *
+// *                                                                  *
+// * 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: PrimaryGeneratorAction.cc,v 1.1 2004/06/14 10:09:27 maire Exp $
+// GEANT4 tag $Name: geant4-06-02 $
+// 
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+#include "PrimaryGeneratorAction.hh"
+
+#include "DetectorConstruction.hh"
+
+#include "G4Event.hh"
+#include "G4ParticleTable.hh"
+#include "G4ParticleDefinition.hh"
+#include "Randomize.hh"
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
+:detector(det)					       
+{
+  particleGun  = new G4ParticleGun(1);
+  G4ParticleDefinition* particle
+           = G4ParticleTable::GetParticleTable()->FindParticle("mu+");
+  particleGun->SetParticleDefinition(particle);
+  particleGun->SetParticleEnergy(10*TeV);    
+  particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+PrimaryGeneratorAction::~PrimaryGeneratorAction()
+{
+  delete particleGun;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
+{
+  //this function is called at the begining of event
+  //
+  G4double halfSize = 0.5*(detector->GetSize());
+  G4double x0 = - halfSize;
+  
+  //randomize (y0,z0)
+  //
+  G4double beam = 0.8*halfSize; 
+  G4double y0 = (2*G4UniformRand()-1.)*beam;
+  G4double z0 = (2*G4UniformRand()-1.)*beam;
+  
+  particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
+  particleGun->GeneratePrimaryVertex(anEvent);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+