Import Geant4 10.4.0 source tree

2017-12-08 12:52:30 +01:00
parent 98e455a940
commit fc6af9e721
2166 changed files with 276760 additions and 100873 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: PrimaryGeneratorAction 100946 2016-11-03 11:28:08Z gcosmo $
+// 
+/// \file PrimaryGeneratorAction
+/// \brief Implementation of the PrimaryGeneratorAction class
+
+#include "PrimaryGeneratorAction.hh"
+
+#include "G4RunManager.hh"
+#include "G4LogicalVolumeStore.hh"
+#include "G4LogicalVolume.hh"
+#include "G4Box.hh"
+#include "G4Event.hh"
+#include "G4ParticleGun.hh"
+#include "G4ParticleTable.hh"
+#include "G4Proton.hh"
+#include "G4SystemOfUnits.hh"
+#include "Randomize.hh"
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+PrimaryGeneratorAction::PrimaryGeneratorAction()
+ : G4VUserPrimaryGeneratorAction(),
+   fParticleGun(nullptr)
+{
+  G4int nofParticles = 1;
+  fParticleGun = new G4ParticleGun(nofParticles);
+
+  // default particle kinematic
+  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
+  fParticleGun->SetParticleEnergy(1.*GeV);
+  fParticleGun->SetParticleDefinition(G4Proton::Proton());
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+PrimaryGeneratorAction::~PrimaryGeneratorAction()
+{
+  delete fParticleGun;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+void PrimaryGeneratorAction::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.;
+  auto worldLV = G4LogicalVolumeStore::GetInstance()->GetVolume("World");
+
+  // Check that the world volume has box shape
+  G4Box* worldBox = nullptr;
+  if (  worldLV ) {
+    worldBox = dynamic_cast<G4Box*>(worldLV->GetSolid());
+  }
+
+  if ( worldBox ) {
+    worldZHalfLength = worldBox->GetZHalfLength();  
+  }
+  else  {
+    G4ExceptionDescription msg;
+    msg << "World volume of box shape not found." << G4endl;
+    msg << "Perhaps you have changed geometry." << G4endl;
+    msg << "The gun will be place in the center.";
+    G4Exception("PrimaryGeneratorAction::GeneratePrimaries()",
+      "MyCode0002", JustWarning, msg);
+  } 
+  
+  // Set gun position
+  fParticleGun
+    ->SetParticlePosition(G4ThreeVector(0., 0., -worldZHalfLength));
+
+  fParticleGun->GeneratePrimaryVertex(anEvent);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+