| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 // This example is provided by the Geant4-DNA collaboration
27 // Any report or published results obtained using the Geant4-DNA software
28 // shall cite the following Geant4-DNA collaboration publication:
29 // Med. Phys. 37 (2010) 4692-4708
30 // The Geant4-DNA web site is available at http://geant4-dna.org
31 //
32 //
33 /// \file DetectorConstruction.cc
34 /// \brief Implementation of the DetectorConstruction class
35
36 #include "DetectorConstruction.hh"
37
38 #include "G4Box.hh"
39 #include "G4NistManager.hh"
40 #include "G4PVPlacement.hh"
41 #include "G4RunManager.hh"
42 #include "G4SystemOfUnits.hh"
43 #include "G4VPhysicalVolume.hh"
44 #include "G4VisAttributes.hh"
45
46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47
48 DetectorConstruction::DetectorConstruction() : fpDefaultMaterial(0), fpWaterMaterial(0) {}
49
50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51
52 DetectorConstruction::~DetectorConstruction() {}
53
54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55
56 G4VPhysicalVolume* DetectorConstruction::Construct()
57 {
58 DefineMaterials();
59 return ConstructVolumes();
60 }
61
62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
63
64 void DetectorConstruction::DefineMaterials()
65 {
66 G4NistManager* nistManager = G4NistManager::Instance();
67
68 nistManager->FindOrBuildMaterial("G4_WATER", false);
69 fpWaterMaterial = G4Material::GetMaterial("G4_WATER");
70
71 nistManager->FindOrBuildMaterial("G4_AIR", false);
72 fpDefaultMaterial = G4Material::GetMaterial("G4_AIR");
73 }
74
75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
76
77 G4VPhysicalVolume* DetectorConstruction::ConstructVolumes()
78 {
79 // World
80 G4double worldSize = 2 * micrometer;
81
82 G4Box* solidWorld = new G4Box("World", worldSize / 2., worldSize / 2., worldSize / 2.);
83 G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld, fpDefaultMaterial, "World");
84 G4VPhysicalVolume* physiWorld =
85 new G4PVPlacement(0, G4ThreeVector(), "World", logicWorld, 0, false, 0);
86 // Target Box
87 // from Francis et al. Comput. Meth. Programs. Biomed. 2011 101(3)
88 G4double targetSizeXY = 1 * micrometer;
89 G4double targetSizeZ = 0.5 * micrometer;
90
91 G4Box* solidTarget = new G4Box("Target", targetSizeXY / 2., targetSizeXY / 2., targetSizeZ / 2.);
92 G4LogicalVolume* logicTarget = new G4LogicalVolume(solidTarget, fpWaterMaterial, "Target");
93 new G4PVPlacement(0, G4ThreeVector(), "Target", logicTarget, physiWorld, false, 0);
94
95 // Visualization attributes
96 G4VisAttributes* worldVisAtt = new G4VisAttributes(G4Colour(1.0, 1.0, 1.0));
97 worldVisAtt->SetVisibility(true);
98 logicWorld->SetVisAttributes(worldVisAtt);
99
100 G4VisAttributes* targetVisAtt = new G4VisAttributes(G4Colour(0.0, 1.0, 0.0));
101 targetVisAtt->SetVisibility(true);
102 targetVisAtt->SetForceAuxEdgeVisible(true);
103 logicTarget->SetVisAttributes(targetVisAtt);
104
105 // always return the world volume
106 return physiWorld;
107 }
108