Gabriele Cosmo
127 lines
4.2 KiB
C++
127 lines
4.2 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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#include "RE04DetectorConstruction.hh"
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#include "G4Material.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 "G4UniformMagField.hh"
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#include "G4TransportationManager.hh"
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#include "G4FieldManager.hh"
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#include "G4VisAttributes.hh"
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#include "G4Colour.hh"
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#include "G4ios.hh"
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RE04DetectorConstruction::RE04DetectorConstruction()
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:constructed(false)
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{;}
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RE04DetectorConstruction::~RE04DetectorConstruction()
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{;}
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G4VPhysicalVolume* RE04DetectorConstruction::Construct()
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{
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if(!constructed)
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{
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constructed = true;
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DefineMaterials();
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SetupGeometry();
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}
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return worldPhys;
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}
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void RE04DetectorConstruction::DefineMaterials()
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{
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G4String name, symbol; //a=mass of a mole;
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G4double a, z, density; //z=mean number of protons;
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G4int ncomponents, natoms;
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G4double fractionmass;
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a = 1.01*g/mole;
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G4Element* H = new G4Element(name="Hydrogen",symbol="H" , z= 1., a);
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a = 14.01*g/mole;
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G4Element* N = new G4Element(name="Nitrogen",symbol="N" , z= 7., a);
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a = 16.00*g/mole;
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G4Element* O = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a);
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//
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// Water
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//
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density = 1.000*g/cm3;
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water = new G4Material(name="Water", density, ncomponents=2);
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water->AddElement(H, natoms=2);
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water->AddElement(O, natoms=1);
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//
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// Air
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//
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density = 1.290*mg/cm3;
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air = new G4Material(name="Air" , density, ncomponents=2);
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air->AddElement(N, fractionmass=0.7);
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air->AddElement(O, fractionmass=0.3);
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//
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// Lead
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//
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density = 11.35*g/cm3;
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Pb = new G4Material(name="Lead", z=82., a= 207.19*g/mole, density);
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}
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void RE04DetectorConstruction::SetupGeometry()
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{
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//
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// World
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//
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G4VSolid* worldSolid = new G4Box("World",1.*m,1.*m,1.*m);
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G4LogicalVolume* worldLogical = new G4LogicalVolume(worldSolid,air,"World");
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worldPhys = new G4PVPlacement(0,G4ThreeVector(),worldLogical,"World",
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0,false,0);
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//
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// Phantom
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//
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G4VSolid* phantomSolid = new G4Box("Phantom",50.*cm,50.*cm,50.*cm);
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G4LogicalVolume* phantomLogical = new G4LogicalVolume(phantomSolid,air,"Phantom");
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new G4PVPlacement(0,G4ThreeVector(),phantomLogical,"Phantom",
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worldLogical,false,0);
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//
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// Visualization attributes
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//
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worldLogical->SetVisAttributes(G4VisAttributes::Invisible);
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G4VisAttributes* simpleBoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
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simpleBoxVisAtt->SetVisibility(true);
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phantomLogical->SetVisAttributes(simpleBoxVisAtt);
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}
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