[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 1.8 2007/11/07 17:22:16 maire Exp $ |
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| 27 | // GEANT4 tag $Name: $ |
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| 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 "G4NistManager.hh" |
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| 37 | #include "G4Box.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 | #include "G4PVReplica.hh" |
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| 42 | #include "G4UniformMagField.hh" |
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| 43 | |
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| 44 | #include "G4GeometryManager.hh" |
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| 45 | #include "G4PhysicalVolumeStore.hh" |
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| 46 | #include "G4LogicalVolumeStore.hh" |
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| 47 | #include "G4SolidStore.hh" |
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| 48 | |
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| 49 | #include "G4UnitsTable.hh" |
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| 50 | |
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| 51 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 52 | |
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| 53 | DetectorConstruction::DetectorConstruction() |
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| 54 | { |
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| 55 | // default parameter values |
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| 56 | absorSizeX = absorSizeYZ = 1*mm; |
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| 57 | nbOfLayers = 1; |
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| 58 | |
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| 59 | absorMaterial = 0; |
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| 60 | magField = 0; |
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| 61 | pAbsor = 0; |
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| 62 | |
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| 63 | DefineMaterials(); |
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| 64 | SetMaterial("G4_Si"); |
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| 65 | |
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| 66 | // create commands for interactive definition of the detector |
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| 67 | detectorMessenger = new DetectorMessenger(this); |
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| 68 | } |
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| 69 | |
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| 70 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 71 | |
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| 72 | DetectorConstruction::~DetectorConstruction() |
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| 73 | { delete detectorMessenger;} |
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| 74 | |
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| 75 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 76 | |
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| 77 | G4VPhysicalVolume* DetectorConstruction::Construct() |
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| 78 | { |
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| 79 | return ConstructVolumes(); |
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| 80 | } |
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| 81 | |
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| 82 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 83 | |
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| 84 | void DetectorConstruction::DefineMaterials() |
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| 85 | { |
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| 86 | G4NistManager* man = G4NistManager::Instance(); |
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| 87 | |
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| 88 | G4bool isotopes = false; |
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| 89 | |
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| 90 | man->FindOrBuildMaterial("G4_Al", isotopes); |
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| 91 | man->FindOrBuildMaterial("G4_Si", isotopes); |
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| 92 | man->FindOrBuildMaterial("G4_Fe", isotopes); |
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| 93 | man->FindOrBuildMaterial("G4_Ge", isotopes); |
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| 94 | man->FindOrBuildMaterial("G4_Mo", isotopes); |
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| 95 | man->FindOrBuildMaterial("G4_Ta", isotopes); |
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| 96 | man->FindOrBuildMaterial("G4_W" , isotopes); |
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| 97 | man->FindOrBuildMaterial("G4_Au", isotopes); |
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| 98 | man->FindOrBuildMaterial("G4_Pb", isotopes); |
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| 99 | man->FindOrBuildMaterial("G4_PbWO4", isotopes); |
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| 100 | man->FindOrBuildMaterial("G4_SODIUM_IODIDE", isotopes); |
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| 101 | |
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| 102 | man->FindOrBuildMaterial("G4_AIR" , isotopes); |
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| 103 | ///man->FindOrBuildMaterial("G4_WATER", isotopes); |
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| 104 | |
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| 105 | G4Element* H = man->FindOrBuildElement("H", isotopes); |
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| 106 | G4Element* O = man->FindOrBuildElement("O", isotopes); |
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| 107 | |
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| 108 | G4Material* H2O = |
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| 109 | new G4Material("Water", 1.000*g/cm3, 2); |
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| 110 | H2O->AddElement(H, 2); |
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| 111 | H2O->AddElement(O, 1); |
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| 112 | H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV); |
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| 113 | |
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| 114 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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| 115 | } |
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| 116 | |
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| 117 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 118 | |
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| 119 | G4VPhysicalVolume* DetectorConstruction::ConstructVolumes() |
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| 120 | { |
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| 121 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 122 | G4PhysicalVolumeStore::GetInstance()->Clean(); |
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| 123 | G4LogicalVolumeStore::GetInstance()->Clean(); |
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| 124 | G4SolidStore::GetInstance()->Clean(); |
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| 125 | |
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| 126 | // Absorber |
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| 127 | // |
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| 128 | G4Box* |
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| 129 | sAbsor = new G4Box("Absorber", //name |
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| 130 | absorSizeX/2,absorSizeYZ/2,absorSizeYZ/2); //size |
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| 131 | |
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| 132 | G4LogicalVolume* |
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| 133 | lAbsor = new G4LogicalVolume(sAbsor, //solid |
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| 134 | absorMaterial, //material |
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| 135 | "Absorber"); //name |
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| 136 | |
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| 137 | pAbsor = new G4PVPlacement(0, //no rotation |
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| 138 | G4ThreeVector(), //at (0,0,0) |
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| 139 | lAbsor, //logical volume |
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| 140 | "Absorber", //name |
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| 141 | 0, //mother volume |
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| 142 | false, //no boolean operation |
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| 143 | 0); //copy number |
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| 144 | |
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| 145 | // Layers |
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| 146 | // |
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| 147 | layerThickness = absorSizeX/nbOfLayers; |
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| 148 | |
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| 149 | if (nbOfLayers > 1) { |
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| 150 | |
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| 151 | G4Box* |
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| 152 | sLayer = new G4Box("Layer", //name |
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| 153 | layerThickness/2,absorSizeYZ/2,absorSizeYZ/2); //dimensions |
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| 154 | |
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| 155 | G4LogicalVolume* |
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| 156 | lLayer = new G4LogicalVolume(sLayer, //shape |
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| 157 | absorMaterial, //material |
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| 158 | "Layer"); //name |
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| 159 | |
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| 160 | new G4PVReplica("Layer", //name |
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| 161 | lLayer, //logical volume |
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| 162 | lAbsor, //mother volume |
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| 163 | kXAxis, //axis of replica |
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| 164 | nbOfLayers, //number of replica |
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| 165 | layerThickness); //width of replica |
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| 166 | } |
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| 167 | |
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| 168 | PrintParameters(); |
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| 169 | |
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| 170 | // |
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| 171 | //always return the root volume |
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| 172 | // |
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| 173 | return pAbsor; |
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| 174 | } |
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| 175 | |
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| 176 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 177 | |
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| 178 | void DetectorConstruction::PrintParameters() |
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| 179 | { |
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| 180 | G4cout << "\n---------------------------------------------------------\n"; |
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| 181 | G4cout << "---> The Absorber is " << G4BestUnit(absorSizeX,"Length") |
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| 182 | << " of " << absorMaterial->GetName() << " divided in " << nbOfLayers |
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| 183 | << " slices of " << G4BestUnit(layerThickness,"Length") << G4endl; |
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| 184 | G4cout << "\n---------------------------------------------------------\n"; |
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| 185 | } |
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| 186 | |
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| 187 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 188 | |
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| 189 | void DetectorConstruction::SetSizeX(G4double value) |
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| 190 | { |
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| 191 | absorSizeX = value; |
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| 192 | } |
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| 193 | |
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| 194 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 195 | |
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| 196 | void DetectorConstruction::SetSizeYZ(G4double value) |
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| 197 | { |
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| 198 | absorSizeYZ = value; |
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| 199 | } |
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| 200 | |
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| 201 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 202 | |
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| 203 | void DetectorConstruction::SetMaterial(G4String materialChoice) |
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| 204 | { |
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| 205 | // search the material by its name |
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| 206 | G4Material* pttoMaterial = G4Material::GetMaterial(materialChoice); |
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| 207 | if (pttoMaterial) absorMaterial = pttoMaterial; |
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| 208 | } |
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| 209 | |
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| 210 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 211 | |
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| 212 | void DetectorConstruction::SetNbOfLayers(G4int value) |
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| 213 | { |
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| 214 | nbOfLayers = value; |
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| 215 | } |
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| 216 | |
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| 217 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 218 | |
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| 219 | #include "G4FieldManager.hh" |
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| 220 | #include "G4TransportationManager.hh" |
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| 221 | |
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| 222 | void DetectorConstruction::SetMagField(G4double fieldValue) |
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| 223 | { |
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| 224 | //apply a global uniform magnetic field along Z axis |
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| 225 | G4FieldManager* fieldMgr |
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| 226 | = G4TransportationManager::GetTransportationManager()->GetFieldManager(); |
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| 227 | |
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| 228 | if (magField) delete magField; //delete the existing magn field |
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| 229 | |
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| 230 | if (fieldValue!=0.) // create a new one if non nul |
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| 231 | { |
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| 232 | magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue)); |
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| 233 | fieldMgr->SetDetectorField(magField); |
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| 234 | fieldMgr->CreateChordFinder(magField); |
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| 235 | } |
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| 236 | else |
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| 237 | { |
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| 238 | magField = 0; |
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| 239 | fieldMgr->SetDetectorField(magField); |
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| 240 | } |
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| 241 | } |
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| 242 | |
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| 243 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 244 | |
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| 245 | #include "G4RunManager.hh" |
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| 246 | |
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| 247 | void DetectorConstruction::UpdateGeometry() |
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| 248 | { |
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| 249 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes()); |
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| 250 | } |
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| 251 | |
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| 252 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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