Import Geant4 8.0.0 source tree

2016-06-09 14:36:02 +02:00
parent d93e1e39a9
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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: RE02PrimaryGeneratorAction.cc,v 1.1 2005/11/24 01:44:18 asaim Exp $
+// GEANT4 tag $Name: geant4-08-00 $
+//
+
+#include "RE02PrimaryGeneratorAction.hh"
+
+#include "G4Event.hh"
+#include "G4ParticleGun.hh"
+#include "G4ParticleTable.hh"
+#include "G4ParticleDefinition.hh"
+#include "Randomize.hh"
+#include "globals.hh"
+
+//
+RE02PrimaryGeneratorAction::RE02PrimaryGeneratorAction()
+{
+  G4int n_particle = 1;
+  particleGun = new G4ParticleGun(n_particle);
+
+// default particle
+  G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
+  G4ParticleDefinition* particle = particleTable->FindParticle("proton");
+  particleGun->SetParticleDefinition(particle);
+  particleGun->SetParticleMomentumDirection(G4ThreeVector(0.0,0.0,1.));
+  particleGun->SetParticleEnergy(150.0*MeV);
+//
+// default beam position
+  G4double position = -200./2.*cm;
+//
+// Initial beam spot size in sigma.; This is not a part of ParticleGun.
+  fsigmaPosition = 10.* mm;
+
+//
+  particleGun->SetParticlePosition(G4ThreeVector(0.*cm, 0.*cm, position));
+}
+
+//
+RE02PrimaryGeneratorAction::~RE02PrimaryGeneratorAction()
+{
+  delete particleGun;
+}
+
+//
+void RE02PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
+{ 
+
+  G4ThreeVector position = particleGun->GetParticlePosition();
+  G4double dx = (G4UniformRand()-0.5)*fsigmaPosition;
+  G4double dy = (G4UniformRand()-0.5)*fsigmaPosition;
+  position.setX(dx);
+  position.setY(dy);
+  particleGun->SetParticlePosition(position);
+  particleGun->GeneratePrimaryVertex(anEvent);
+}