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25 //
26 //
27 /// \file DetectorConstruction.cc
28 /// \brief Detector Construction for a DNA molecule in a cell
29
30 #include "DetectorConstruction.hh"
31
32 #include "DNAGeometry.hh"
33 #include "DetectorMessenger.hh"
34 #include "OctreeNode.hh"
35
36 #include "G4Box.hh"
37 #include "G4Color.hh"
38 #include "G4Ellipsoid.hh"
39 #include "G4LogicalVolume.hh"
40 #include "G4NistManager.hh"
41 #include "G4PVPlacement.hh"
42 #include "G4SDManager.hh"
43 #include "G4VPhysicalVolume.hh"
44 #include "G4VisAttributes.hh"
45
46 #include <fstream>
47
48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49
50 DetectorConstruction::DetectorConstruction()
51 : fpDNAGeometry(new DNAGeometry()), fpDetectorMessenger(new DetectorMessenger(this))
52 {
53 G4bool useParallelPhysicsWorld = false;
54 if (useParallelPhysicsWorld) {
55 RegisterParallelWorld(fpDNAGeometry->GetDNAWorld());
56 }
57 }
58
59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60
61 DetectorConstruction::~DetectorConstruction()
62 {
63 delete fpDetectorMessenger;
64 }
65
66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67
68 G4VPhysicalVolume* DetectorConstruction::Construct()
69 {
70 BuildMaterials();
71 return ConstructDetector();
72 }
73
74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
75
76 void DetectorConstruction::BuildMaterials()
77 {
78 G4NistManager* man = G4NistManager::Instance();
79 fpWorld = man->FindOrBuildMaterial("G4_Galactic");
80 fpWater = man->FindOrBuildMaterial("G4_WATER");
81 }
82
83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84
85 G4VPhysicalVolume* DetectorConstruction::ConstructDetector()
86 {
87 //////////////////////////////////////////////////////////////////////////////
88 // Brief :: Build the detector. This real world for only chemistry stage only.
89 // An other parallel world is built in DNAWorld for only physics We either
90 // build a DNA region inside a cell if fCellRadius is se in macro file, or we
91 // just run the experiment in the World if it isn't. If we run in a cell, the
92 // world material is a vacuum, and the cell is water. Otherwise everything is
93 // water.
94 //////////////////////////////////////////////////////////////////////////////
95
96 G4LogicalVolume* pDnaRegionLogical;
97
98 G4double dnasx = fCellRadius.getX();
99 G4double dnasy = fCellRadius.getY();
100 G4double dnasz = fCellRadius.getZ();
101 if ((dnasx <= 0) || (dnasy <= 0) || (dnasz <= 0)) {
102 // Experiment in the world only
103 G4cout << "No cell radius has been specified (or the radii are less than 0)." << G4endl;
104 G4cout << "This will fill the entire world with water" << G4endl;
105
106 G4double wsize = 1.01 * fWorldSideLength / 2.;
107 auto worldPhysical = new G4Box("WorldPhysical", wsize, wsize, wsize);
108 auto worldLogical = new G4LogicalVolume(worldPhysical, fpWater, "world");
109 fWorld = new G4PVPlacement(nullptr, G4ThreeVector(0), worldLogical, "world", nullptr, false, 0);
110 pDnaRegionLogical = worldLogical;
111 }
112 else {
113 // experiment inside a cell.
114 G4double wsize = 1.01 * fWorldSideLength / 2.;
115 auto worldPhysical = new G4Box("WorldPhysical", wsize, wsize, wsize);
116 auto worldLogical = new G4LogicalVolume(worldPhysical, fpWorld, "world");
117
118 fWorld = new G4PVPlacement(nullptr, G4ThreeVector(0), worldLogical, "world", nullptr, false, 0);
119 auto dnaPhysical = new G4Ellipsoid("CellPhysical", dnasx, dnasy, dnasz);
120 auto dnaLogical = new G4LogicalVolume(dnaPhysical, fpWater, "CellLogical");
121
122 new G4PVPlacement(nullptr, G4ThreeVector(0), "CellVolume", dnaLogical, fWorld, false, 0, false);
123 pDnaRegionLogical = dnaLogical;
124 }
125 // we build DNA geometry for physical stage
126 this->GetDNAGeometry()->BuildDNA(pDnaRegionLogical);
127 return fWorld;
128 }
129
130 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
131