93 lines
3.8 KiB
C++
93 lines
3.8 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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/// \file DetectorConstruction.cc
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/// \brief Implementation of the DetectorConstruction class
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//
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//
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "DetectorConstruction.hh"
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#include "G4NistManager.hh"
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#include "G4Box.hh"
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#include "G4LogicalVolume.hh"
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#include "G4PVPlacement.hh"
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#include "G4SystemOfUnits.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::DetectorConstruction()
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: G4VUserDetectorConstruction(),fWorldSizeXY(0),fWorldSizeZ(0)
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{
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fWorldSizeXY = 2*cm;
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fWorldSizeZ = 2*cm;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::~DetectorConstruction()
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{}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* DetectorConstruction::Construct()
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{
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//
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// define a material
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//
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G4Material* Air =
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G4NistManager::Instance()->FindOrBuildMaterial("G4_AIR");
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//
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// World
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//
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G4Box*
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solidWorld = new G4Box("World", //its name
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fWorldSizeXY/2,fWorldSizeXY/2,fWorldSizeZ/2); //its size
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G4LogicalVolume*
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logicWorld = new G4LogicalVolume(solidWorld, //its solid
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Air, //its material
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"World"); //its name
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G4VPhysicalVolume*
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physiWorld = new G4PVPlacement(0, //no rotation
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G4ThreeVector(), //at (0,0,0)
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logicWorld, //its logical volume
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"World", //its name
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0, //its mother volume
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false, //no boolean operation
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0); //copy number
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//
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//always return the physical World
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//
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return physiWorld;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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