Import Geant4 9.5.0 source tree

2016-06-09 16:46:55 +02:00
parent 89a9605df1
commit b1eb5424d2
10957 changed files with 888481 additions and 160139 deletions
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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.          *
+// ********************************************************************
+//
+// $Id$
+// 
+/// \file B4PrimaryGeneratorAction.cc
+/// \brief Implementation of the B4PrimaryGeneratorAction class
+
+#include "B4PrimaryGeneratorAction.hh"
+
+#include "G4RunManager.hh"
+#include "G4LogicalVolumeStore.hh"
+#include "G4LogicalVolume.hh"
+#include "G4Box.hh"
+#include "G4Event.hh"
+#include "G4ParticleGun.hh"
+#include "G4ParticleTable.hh"
+#include "G4ParticleDefinition.hh"
+#include "Randomize.hh"
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+B4PrimaryGeneratorAction::B4PrimaryGeneratorAction()
+ : G4VUserPrimaryGeneratorAction(),
+   fParticleGun(0)
+{
+  G4int nofParticles = 1;
+  fParticleGun = new G4ParticleGun(nofParticles);
+
+  // default particle kinematic
+  //
+  G4ParticleDefinition* particleDefinition 
+    = G4ParticleTable::GetParticleTable()->FindParticle("e-");
+  fParticleGun->SetParticleDefinition(particleDefinition);
+  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
+  fParticleGun->SetParticleEnergy(50.*MeV);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+B4PrimaryGeneratorAction::~B4PrimaryGeneratorAction()
+{
+  delete fParticleGun;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+void B4PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
+{
+  // This function is called at the begining of event
+
+  // In order to avoid dependence of PrimaryGeneratorAction
+  // on DetectorConstruction class we get world volume
+  // from G4LogicalVolumeStore
+  //
+  G4double worldZHalfLength = 0;
+  G4LogicalVolume* worlLV
+    = G4LogicalVolumeStore::GetInstance()->GetVolume("World");
+  G4Box* worldBox = 0;
+  if ( worlLV) worldBox = dynamic_cast< G4Box*>(worlLV->GetSolid()); 
+  if ( worldBox ) {
+    worldZHalfLength = worldBox->GetZHalfLength();  
+  }
+  else  {
+    G4cerr << "World volume of box not found." << G4endl;
+    G4cerr << "Perhaps you have changed geometry." << G4endl;
+    G4cerr << "The gun will be place in the center." << G4endl;
+  } 
+  
+  // Set gun position
+  fParticleGun
+    ->SetParticlePosition(G4ThreeVector(0., 0., -worldZHalfLength));
+
+  fParticleGun->GeneratePrimaryVertex(anEvent);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+