userVisAction/src/B1DetectorConstruction.cc

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0025 //
0026 /// \file B1DetectorConstruction.cc
0027 /// \brief Implementation of the B1DetectorConstruction class
0028
0029 #include "B1DetectorConstruction.hh"
0030
0031 #include "G4Box.hh"
0032 #include "G4Cons.hh"
0033 #include "G4LogicalVolume.hh"
0034 #include "G4NistManager.hh"
0035 #include "G4Orb.hh"
0036 #include "G4PVPlacement.hh"
0037 #include "G4RunManager.hh"
0038 #include "G4Sphere.hh"
0039 #include "G4SystemOfUnits.hh"
0040 #include "G4Trd.hh"
0041
0042 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0043
0044 B1DetectorConstruction::B1DetectorConstruction() : G4VUserDetectorConstruction(), fScoringVolume(0)
0045 {}
0046
0047 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0048
0049 B1DetectorConstruction::~B1DetectorConstruction() {}
0050
0051 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0052
0053 G4VPhysicalVolume* B1DetectorConstruction::Construct()
0054 {
0055   // Get nist material manager
0056   G4NistManager* nist = G4NistManager::Instance();
0057
0058   // Envelope parameters
0059   //
0060   G4double env_sizeXY = 20 * cm, env_sizeZ = 30 * cm;
0061   G4Material* env_mat = nist->FindOrBuildMaterial("G4_WATER");
0062
0063   // Option to switch on/off checking of volumes overlaps
0064   //
0065   G4bool checkOverlaps = true;
0066
0067   //
0068   // World
0069   //
0070   G4double world_sizeXY = 1.2 * env_sizeXY;
0071   G4double world_sizeZ = 1.2 * env_sizeZ;
0072   G4Material* world_mat = nist->FindOrBuildMaterial("G4_AIR");
0073
0074   G4Box* solidWorld =
0075     new G4Box("World",  // its name
0076               0.5 * world_sizeXY, 0.5 * world_sizeXY, 0.5 * world_sizeZ);  // its size
0077
0078   G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld,  // its solid
0079                                                     world_mat,  // its material
0080                                                     "World");  // its name
0081
0082   G4VPhysicalVolume* physWorld = new G4PVPlacement(0,  // no rotation
0083                                                    G4ThreeVector(),  // at (0,0,0)
0084                                                    logicWorld,  // its logical volume
0085                                                    "World",  // its name
0086                                                    0,  // its mother  volume
0087                                                    false,  // no boolean operation
0088                                                    0,  // copy number
0089                                                    checkOverlaps);  // overlaps checking
0090
0091   //
0092   // Envelope
0093   //
0094   G4Box* solidEnv = new G4Box("Envelope",  // its name
0095                               0.5 * env_sizeXY, 0.5 * env_sizeXY, 0.5 * env_sizeZ);  // its size
0096
0097   G4LogicalVolume* logicEnv = new G4LogicalVolume(solidEnv,  // its solid
0098                                                   env_mat,  // its material
0099                                                   "Envelope");  // its name
0100
0101   new G4PVPlacement(0,  // no rotation
0102                     G4ThreeVector(),  // at (0,0,0)
0103                     logicEnv,  // its logical volume
0104                     "Envelope",  // its name
0105                     logicWorld,  // its mother  volume
0106                     false,  // no boolean operation
0107                     0,  // copy number
0108                     checkOverlaps);  // overlaps checking
0109
0110   //
0111   // Shape 1
0112   //
0113   G4Material* shape1_mat = nist->FindOrBuildMaterial("G4_A-150_TISSUE");
0114   G4ThreeVector pos1 = G4ThreeVector(0, 2 * cm, -7 * cm);
0115
0116   // Conical section shape
0117   G4double shape1_rmina = 0. * cm, shape1_rmaxa = 2. * cm;
0118   G4double shape1_rminb = 0. * cm, shape1_rmaxb = 4. * cm;
0119   G4double shape1_hz = 3. * cm;
0120   G4double shape1_phimin = 0. * deg, shape1_phimax = 360. * deg;
0121   G4Cons* solidShape1 = new G4Cons("Shape1", shape1_rmina, shape1_rmaxa, shape1_rminb, shape1_rmaxb,
0122                                    shape1_hz, shape1_phimin, shape1_phimax);
0123
0124   G4LogicalVolume* logicShape1 = new G4LogicalVolume(solidShape1,  // its solid
0125                                                      shape1_mat,  // its material
0126                                                      "Shape1");  // its name
0127
0128   new G4PVPlacement(0,  // no rotation
0129                     pos1,  // at position
0130                     logicShape1,  // its logical volume
0131                     "Shape1",  // its name
0132                     logicEnv,  // its mother  volume
0133                     false,  // no boolean operation
0134                     0,  // copy number
0135                     checkOverlaps);  // overlaps checking
0136
0137   //
0138   // Shape 2
0139   //
0140   G4Material* shape2_mat = nist->FindOrBuildMaterial("G4_BONE_COMPACT_ICRU");
0141   G4ThreeVector pos2 = G4ThreeVector(0, -1 * cm, 7 * cm);
0142
0143   // Trapezoid shape
0144   G4double shape2_dxa = 12 * cm, shape2_dxb = 12 * cm;
0145   G4double shape2_dya = 10 * cm, shape2_dyb = 16 * cm;
0146   G4double shape2_dz = 6 * cm;
0147   G4Trd* solidShape2 = new G4Trd("Shape2",  // its name
0148                                  0.5 * shape2_dxa, 0.5 * shape2_dxb, 0.5 * shape2_dya,
0149                                  0.5 * shape2_dyb, 0.5 * shape2_dz);  // its size
0150
0151   G4LogicalVolume* logicShape2 = new G4LogicalVolume(solidShape2,  // its solid
0152                                                      shape2_mat,  // its material
0153                                                      "Shape2");  // its name
0154
0155   new G4PVPlacement(0,  // no rotation
0156                     pos2,  // at position
0157                     logicShape2,  // its logical volume
0158                     "Shape2",  // its name
0159                     logicEnv,  // its mother  volume
0160                     false,  // no boolean operation
0161                     0,  // copy number
0162                     checkOverlaps);  // overlaps checking
0163
0164   // Set Shape2 as scoring volume
0165   //
0166   fScoringVolume = logicShape2;
0167
0168   //
0169   // always return the physical World
0170   //
0171   return physWorld;
0172 }
0173
0174 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......