Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // 27 /// \file B1/src/DetectorConstruction.cc 28 /// \brief Implementation of the B1::DetectorC 29 30 #include "DetectorConstruction.hh" 31 32 #include "G4Box.hh" 33 #include "G4Cons.hh" 34 #include "G4LogicalVolume.hh" 35 #include "G4NistManager.hh" 36 #include "G4PVPlacement.hh" 37 #include "G4SystemOfUnits.hh" 38 #include "G4Trd.hh" 39 40 namespace B1 41 { 42 43 //....oooOO0OOooo........oooOO0OOooo........oo 44 45 G4VPhysicalVolume* DetectorConstruction::Const 46 { 47 // Get nist material manager 48 G4NistManager* nist = G4NistManager::Instanc 49 50 // Envelope parameters 51 // 52 G4double env_sizeXY = 20 * cm, env_sizeZ = 3 53 G4Material* env_mat = nist->FindOrBuildMater 54 55 // Option to switch on/off checking of volum 56 // 57 G4bool checkOverlaps = true; 58 59 // 60 // World 61 // 62 G4double world_sizeXY = 1.2 * env_sizeXY; 63 G4double world_sizeZ = 1.2 * env_sizeZ; 64 G4Material* world_mat = nist->FindOrBuildMat 65 66 auto solidWorld = 67 new G4Box("World", // its name 68 0.5 * world_sizeXY, 0.5 * world_ 69 70 auto logicWorld = new G4LogicalVolume(solidW 71 world_ 72 "World 73 74 auto physWorld = new G4PVPlacement(nullptr, 75 G4ThreeVe 76 logicWorl 77 "World", 78 nullptr, 79 false, / 80 0, // co 81 checkOver 82 83 // 84 // Envelope 85 // 86 auto solidEnv = new G4Box("Envelope", // it 87 0.5 * env_sizeXY, 88 89 auto logicEnv = new G4LogicalVolume(solidEnv 90 env_mat, 91 "Envelop 92 93 new G4PVPlacement(nullptr, // no rotation 94 G4ThreeVector(), // at (0 95 logicEnv, // its logical 96 "Envelope", // its name 97 logicWorld, // its mother 98 false, // no boolean oper 99 0, // copy number 100 checkOverlaps); // overla 101 102 // 103 // Shape 1 104 // 105 G4Material* shape1_mat = nist->FindOrBuildMa 106 G4ThreeVector pos1 = G4ThreeVector(0, 2 * cm 107 108 // Conical section shape 109 G4double shape1_rmina = 0. * cm, shape1_rmax 110 G4double shape1_rminb = 0. * cm, shape1_rmax 111 G4double shape1_hz = 3. * cm; 112 G4double shape1_phimin = 0. * deg, shape1_ph 113 auto solidShape1 = new G4Cons("Shape1", shap 114 shape1_hz, sha 115 116 auto logicShape1 = new G4LogicalVolume(solid 117 shape 118 "Shap 119 120 new G4PVPlacement(nullptr, // no rotation 121 pos1, // at position 122 logicShape1, // its logic 123 "Shape1", // its name 124 logicEnv, // its mother 125 false, // no boolean oper 126 0, // copy number 127 checkOverlaps); // overla 128 129 // 130 // Shape 2 131 // 132 G4Material* shape2_mat = nist->FindOrBuildMa 133 G4ThreeVector pos2 = G4ThreeVector(0, -1 * c 134 135 // Trapezoid shape 136 G4double shape2_dxa = 12 * cm, shape2_dxb = 137 G4double shape2_dya = 10 * cm, shape2_dyb = 138 G4double shape2_dz = 6 * cm; 139 auto solidShape2 = 140 new G4Trd("Shape2", // its name 141 0.5 * shape2_dxa, 0.5 * shape2_d 142 0.5 * shape2_dz); // its size 143 144 auto logicShape2 = new G4LogicalVolume(solid 145 shape 146 "Shap 147 148 new G4PVPlacement(nullptr, // no rotation 149 pos2, // at position 150 logicShape2, // its logic 151 "Shape2", // its name 152 logicEnv, // its mother 153 false, // no boolean oper 154 0, // copy number 155 checkOverlaps); // overla 156 157 // Set Shape2 as scoring volume 158 // 159 fScoringVolume = logicShape2; 160 161 // 162 // always return the physical World 163 // 164 return physWorld; 165 } 166 167 //....oooOO0OOooo........oooOO0OOooo........oo 168 169 } // namespace B1 170