Import Geant4 10.2.0 source tree

2016-06-10 14:11:04 +02:00
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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.          *
+// ********************************************************************
+//
+/// \file eventgenerator/particleGun/src/DetectorConstruction.cc
+/// \brief Implementation of the DetectorConstruction class
+//
+//
+// $Id: DetectorConstruction.cc 68389 2013-03-24 11:57:41Z maire $
+// 
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+#include "DetectorConstruction.hh"
+
+#include "G4NistManager.hh"
+#include "G4Box.hh"
+#include "G4LogicalVolume.hh"
+#include "G4PVPlacement.hh"
+#include "G4SystemOfUnits.hh"
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+DetectorConstruction::DetectorConstruction()
+ : G4VUserDetectorConstruction(),fWorldSizeXY(0),fWorldSizeZ(0)
+{
+  fWorldSizeXY = 2*cm;
+  fWorldSizeZ  = 2*cm;    
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+DetectorConstruction::~DetectorConstruction()
+{}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+G4VPhysicalVolume* DetectorConstruction::Construct()
+{
+  //
+  // define a material
+  //   
+  G4Material* Air =
+  G4NistManager::Instance()->FindOrBuildMaterial("G4_AIR"); 
+  
+  //     
+  // World
+  //
+  G4Box*  
+  solidWorld = new G4Box("World",                                //its name
+                   fWorldSizeXY/2,fWorldSizeXY/2,fWorldSizeZ/2); //its size
+                   
+  G4LogicalVolume*                         
+  logicWorld = new G4LogicalVolume(solidWorld,           //its solid
+                                   Air,                  //its material
+                                   "World");             //its name
+  G4VPhysicalVolume*                                   
+  physiWorld = new G4PVPlacement(0,                      //no rotation
+                                 G4ThreeVector(),        //at (0,0,0)
+                                 logicWorld,             //its logical volume
+                                 "World",                //its name
+                                 0,                      //its mother  volume
+                                 false,                  //no boolean operation
+                                 0);                     //copy number
+                
+  //
+  //always return the physical World
+  //  
+  return physiWorld;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......