[807] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // $Id: DetectorConstruction.cc,v 1.2 2007/11/05 13:19:16 maire Exp $ |
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[1230] | 27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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[807] | 28 | |
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| 29 | // |
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| 30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 32 | |
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| 33 | #include "DetectorConstruction.hh" |
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| 34 | #include "DetectorMessenger.hh" |
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| 35 | |
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| 36 | #include "G4Material.hh" |
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| 37 | #include "G4Tubs.hh" |
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| 38 | #include "G4LogicalVolume.hh" |
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| 39 | #include "G4VPhysicalVolume.hh" |
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| 40 | #include "G4PVPlacement.hh" |
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| 41 | |
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| 42 | #include "G4GeometryManager.hh" |
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| 43 | #include "G4PhysicalVolumeStore.hh" |
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| 44 | #include "G4LogicalVolumeStore.hh" |
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| 45 | #include "G4SolidStore.hh" |
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| 46 | |
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| 47 | #include "G4UnitsTable.hh" |
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| 48 | |
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| 49 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 50 | |
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| 51 | DetectorConstruction::DetectorConstruction() |
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| 52 | :pWall(0), pCavity(0) |
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| 53 | { |
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| 54 | // default parameter values |
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| 55 | wallThickness = 5*cm; |
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| 56 | cavityThickness = 2*mm; |
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| 57 | worldRadius = 10*m; |
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| 58 | |
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| 59 | DefineMaterials(); |
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| 60 | SetWallMaterial("Water"); |
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| 61 | |
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| 62 | // create commands for interactive definition of the detector |
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| 63 | detectorMessenger = new DetectorMessenger(this); |
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| 64 | } |
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| 65 | |
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| 66 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 67 | |
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| 68 | DetectorConstruction::~DetectorConstruction() |
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| 69 | { delete detectorMessenger;} |
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| 70 | |
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| 71 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 72 | |
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| 73 | G4VPhysicalVolume* DetectorConstruction::Construct() |
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| 74 | { |
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| 75 | return ConstructVolumes(); |
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| 76 | } |
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| 77 | |
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| 78 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 79 | |
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| 80 | void DetectorConstruction::DefineMaterials() |
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| 81 | { |
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| 82 | // |
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| 83 | // define Elements |
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| 84 | // |
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| 85 | G4double z,a; |
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| 86 | |
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| 87 | G4Element* H = new G4Element("Hydrogen" ,"H" , z= 1., a= 1.01*g/mole); |
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| 88 | G4Element* O = new G4Element("Oxygen" ,"O" , z= 8., a= 16.00*g/mole); |
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| 89 | |
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| 90 | // |
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| 91 | // define materials |
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| 92 | // |
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| 93 | G4Material* H2O = |
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| 94 | new G4Material("Water", 1.0*g/cm3, 2); |
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| 95 | H2O->AddElement(H, 2); |
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| 96 | H2O->AddElement(O, 1); |
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| 97 | H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV); |
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| 98 | |
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| 99 | G4Material* gas = |
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| 100 | new G4Material("Water_gas", 1.0*mg/cm3, 2); |
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| 101 | gas->AddElement(H, 2); |
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| 102 | gas->AddElement(O, 1); |
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| 103 | gas->GetIonisation()->SetMeanExcitationEnergy(75.0*eV); |
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| 104 | |
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| 105 | new G4Material("Graphite", 6, 12.01*g/mole, 2.265*g/cm3); |
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| 106 | new G4Material("Graphite_gas", 6, 12.01*g/mole, 2.265*mg/cm3); |
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| 107 | |
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| 108 | new G4Material("Aluminium", 13, 26.98*g/mole, 2.700*g/cm3); |
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| 109 | new G4Material("Aluminium_gas", 13, 26.98*g/mole, 2.700*mg/cm3); |
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| 110 | |
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| 111 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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| 112 | } |
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| 113 | |
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| 114 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 115 | |
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| 116 | G4VPhysicalVolume* DetectorConstruction::ConstructVolumes() |
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| 117 | { |
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| 118 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 119 | G4PhysicalVolumeStore::GetInstance()->Clean(); |
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| 120 | G4LogicalVolumeStore::GetInstance()->Clean(); |
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| 121 | G4SolidStore::GetInstance()->Clean(); |
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| 122 | |
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| 123 | // Wall |
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| 124 | // |
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| 125 | worldThickness = cavityThickness + 2*wallThickness; |
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| 126 | |
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| 127 | G4Tubs* |
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| 128 | sWall = new G4Tubs("Wall", //name |
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| 129 | 0.,worldRadius,0.5*worldThickness,0.,twopi); //size |
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| 130 | |
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| 131 | G4LogicalVolume* |
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| 132 | lWall = new G4LogicalVolume(sWall, //solid |
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| 133 | wallMaterial, //material |
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| 134 | "Wall"); //name |
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| 135 | |
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| 136 | pWall = new G4PVPlacement(0, //no rotation |
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| 137 | G4ThreeVector(), //at (0,0,0) |
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| 138 | lWall, //logical volume |
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| 139 | "Wall", //name |
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| 140 | 0, //mother volume |
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| 141 | false, //no boolean operation |
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| 142 | 0); //copy number |
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| 143 | |
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| 144 | // Cavity |
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| 145 | // |
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| 146 | G4Tubs* |
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| 147 | sCavity = new G4Tubs("Cavity", |
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| 148 | 0.,worldRadius,0.5*cavityThickness,0.,twopi); |
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| 149 | |
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| 150 | G4LogicalVolume* |
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| 151 | lCavity = new G4LogicalVolume(sCavity, //shape |
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| 152 | cavityMaterial, //material |
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| 153 | "Cavity"); //name |
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| 154 | |
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| 155 | pCavity = new G4PVPlacement(0, //no rotation |
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| 156 | G4ThreeVector(), //at (0,0,0) |
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| 157 | lCavity, //logical volume |
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| 158 | "Cavity", //name |
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| 159 | lWall, //mother volume |
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| 160 | false, //no boolean operation |
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| 161 | 1); //copy number |
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| 162 | |
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| 163 | PrintParameters(); |
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| 164 | |
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| 165 | // |
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| 166 | //always return the root volume |
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| 167 | // |
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| 168 | return pWall; |
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| 169 | } |
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| 170 | |
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| 171 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 172 | |
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| 173 | void DetectorConstruction::PrintParameters() |
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| 174 | { |
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| 175 | G4cout << "\n---------------------------------------------------------\n"; |
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| 176 | G4cout << "---> The Wall is " << G4BestUnit(wallThickness,"Length") |
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| 177 | << " of " << wallMaterial->GetName() << " ( " |
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| 178 | << G4BestUnit(wallMaterial->GetDensity(),"Volumic Mass") << " )\n"; |
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| 179 | G4cout << " The Cavity is " << G4BestUnit(cavityThickness,"Length") |
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| 180 | << " of " << cavityMaterial->GetName() << " ( " |
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| 181 | << G4BestUnit(cavityMaterial->GetDensity(),"Volumic Mass") << " )"; |
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| 182 | G4cout << "\n---------------------------------------------------------\n"; |
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| 183 | G4cout << G4endl; |
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| 184 | } |
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| 185 | |
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| 186 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 187 | |
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| 188 | void DetectorConstruction::SetWallMaterial(G4String materialChoice) |
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| 189 | { |
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| 190 | // search the material by its name |
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| 191 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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| 192 | if (pttoMaterial) wallMaterial = pttoMaterial; |
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| 193 | |
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| 194 | pttoMaterial = G4Material::GetMaterial(materialChoice + "_gas"); |
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| 195 | if (pttoMaterial) cavityMaterial = pttoMaterial; |
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| 196 | } |
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| 197 | |
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| 198 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 199 | |
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| 200 | void DetectorConstruction::SetWallThickness(G4double value) |
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| 201 | { |
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| 202 | wallThickness = value; |
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| 203 | } |
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| 204 | |
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| 205 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 206 | |
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| 207 | void DetectorConstruction::SetCavityThickness(G4double value) |
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| 208 | { |
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| 209 | cavityThickness = value; |
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| 210 | |
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| 211 | } |
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| 212 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 213 | |
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| 214 | void DetectorConstruction::SetWorldRadius(G4double value) |
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| 215 | { |
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| 216 | worldRadius = value; |
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| 217 | } |
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| 218 | |
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| 219 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 220 | |
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| 221 | #include "G4RunManager.hh" |
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| 222 | |
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| 223 | void DetectorConstruction::UpdateGeometry() |
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| 224 | { |
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| 225 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes()); |
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| 226 | } |
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| 227 | |
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| 228 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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