[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 | // |
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[1230] | 27 | // $Id: DetectorConstruction.cc,v 1.14 2009/09/16 18:07:30 maire Exp $ |
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[1337] | 28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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[807] | 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 "G4Tubs.hh" |
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| 37 | #include "G4LogicalVolume.hh" |
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| 38 | #include "G4PVPlacement.hh" |
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| 39 | #include "G4UniformMagField.hh" |
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| 40 | |
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| 41 | #include "G4GeometryManager.hh" |
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| 42 | #include "G4PhysicalVolumeStore.hh" |
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| 43 | #include "G4LogicalVolumeStore.hh" |
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| 44 | #include "G4SolidStore.hh" |
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| 45 | |
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[1230] | 46 | #include "G4FieldManager.hh" |
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| 47 | #include "G4TransportationManager.hh" |
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| 48 | |
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| 49 | #include "G4NistManager.hh" |
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| 50 | #include "G4RunManager.hh" |
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| 51 | |
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[807] | 52 | #include "G4UnitsTable.hh" |
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| 53 | |
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| 54 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 55 | |
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| 56 | DetectorConstruction::DetectorConstruction() |
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| 57 | :nLtot(40),nRtot(50),dLradl(0.5),dRradl(0.1), |
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| 58 | dLlength(0.),dRlength(0.), |
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| 59 | myMaterial(0),magField(0), |
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| 60 | EcalLength(0.),EcalRadius(0.), |
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| 61 | solidEcal(0),logicEcal(0),physiEcal(0) |
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| 62 | { |
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| 63 | DefineMaterials(); |
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[1230] | 64 | SetMaterial("G4_PbWO4"); |
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[807] | 65 | detectorMessenger = new DetectorMessenger(this); |
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| 66 | } |
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| 67 | |
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| 68 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 69 | |
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| 70 | DetectorConstruction::~DetectorConstruction() |
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| 71 | { delete detectorMessenger;} |
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| 72 | |
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| 73 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 74 | |
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| 75 | G4VPhysicalVolume* DetectorConstruction::Construct() |
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| 76 | { |
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| 77 | return ConstructVolumes(); |
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| 78 | } |
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| 79 | |
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| 80 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 81 | |
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| 82 | void DetectorConstruction::DefineMaterials() |
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| 83 | { |
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| 84 | // |
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[1230] | 85 | // define few Elements by hand |
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[807] | 86 | // |
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| 87 | G4double a, z; |
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| 88 | |
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| 89 | G4Element* H = new G4Element("Hydrogen", "H", z= 1., a= 1.01*g/mole); |
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| 90 | G4Element* O = new G4Element("Oxygen" , "O", z= 8., a= 16.00*g/mole); |
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| 91 | G4Element* Ge = new G4Element("Germanium", "Ge",z=32., a= 72.59*g/mole); |
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| 92 | G4Element* Bi = new G4Element("Bismuth", "Bi",z=83., a= 208.98*g/mole); |
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| 93 | |
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| 94 | // |
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| 95 | // define materials |
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| 96 | // |
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| 97 | G4double density; |
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[1230] | 98 | G4int ncomponents, natoms; |
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[807] | 99 | |
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[1230] | 100 | // water with ionisation potential 75 eV |
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[807] | 101 | G4Material* H2O = |
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| 102 | new G4Material("Water", density= 1.00*g/cm3, ncomponents=2); |
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| 103 | H2O->AddElement(H, natoms=2); |
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| 104 | H2O->AddElement(O, natoms=1); |
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| 105 | H2O->GetIonisation()->SetMeanExcitationEnergy(75.0*eV); |
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| 106 | |
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[1230] | 107 | // pure materails |
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[807] | 108 | new G4Material("liquidArgon", z=18., a= 39.95*g/mole, density= 1.390*g/cm3); |
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| 109 | new G4Material("Aluminium", z=13., a= 26.98*g/mole, density= 2.7*g/cm3); |
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[1230] | 110 | new G4Material("Iron", z=26., a= 55.85*g/mole, density= 7.87*g/cm3); |
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| 111 | new G4Material("Copper", z=29., a= 63.55*g/mole, density= 8.960*g/cm3); |
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| 112 | new G4Material("Tungsten", z=74., a=183.84*g/mole, density=19.35*g/cm3); |
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| 113 | new G4Material("Lead", z=82., a=207.19*g/mole, density=11.35*g/cm3); |
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| 114 | new G4Material("Uranium" , z=92., a=238.03*g/mole, density= 18.95*g/cm3); |
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[807] | 115 | |
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[1230] | 116 | // compound material |
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[807] | 117 | G4Material* BGO = |
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| 118 | new G4Material("BGO", density= 7.10*g/cm3, ncomponents=3); |
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| 119 | BGO->AddElement(O , natoms=12); |
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| 120 | BGO->AddElement(Ge, natoms= 3); |
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| 121 | BGO->AddElement(Bi, natoms= 4); |
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| 122 | |
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| 123 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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| 124 | } |
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| 125 | |
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| 126 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 127 | |
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| 128 | G4VPhysicalVolume* DetectorConstruction::ConstructVolumes() |
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| 129 | { |
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| 130 | G4double Radl = myMaterial->GetRadlen(); |
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| 131 | |
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| 132 | dLlength = dLradl*Radl; dRlength = dRradl*Radl; |
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| 133 | EcalLength = nLtot*dLlength; EcalRadius = nRtot*dRlength; |
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| 134 | |
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| 135 | // Cleanup old geometry |
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| 136 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 137 | G4PhysicalVolumeStore::GetInstance()->Clean(); |
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| 138 | G4LogicalVolumeStore::GetInstance()->Clean(); |
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| 139 | G4SolidStore::GetInstance()->Clean(); |
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| 140 | |
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| 141 | // |
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| 142 | // Ecal |
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| 143 | // |
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| 144 | solidEcal = new G4Tubs("Ecal",0.,EcalRadius,0.5*EcalLength,0.,360*deg); |
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| 145 | logicEcal = new G4LogicalVolume( solidEcal,myMaterial,"Ecal",0,0,0); |
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| 146 | physiEcal = new G4PVPlacement(0,G4ThreeVector(), |
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| 147 | logicEcal,"Ecal",0,false,0); |
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| 148 | |
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| 149 | G4cout << "Absorber is " << G4BestUnit(EcalLength,"Length") |
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| 150 | << " of " << myMaterial->GetName() << G4endl; |
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| 151 | G4cout << myMaterial << G4endl; |
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| 152 | |
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| 153 | // |
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| 154 | //always return the physical World |
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| 155 | // |
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| 156 | return physiEcal; |
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| 157 | } |
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| 158 | |
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| 159 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 160 | |
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| 161 | void DetectorConstruction::SetMaterial(const G4String& materialChoice) |
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| 162 | { |
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| 163 | // search the material by its name |
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[1230] | 164 | G4Material* pttoMaterial = |
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| 165 | G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); |
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| 166 | |
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| 167 | if (pttoMaterial) { |
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| 168 | myMaterial = pttoMaterial; |
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| 169 | if(logicEcal) logicEcal->SetMaterial(myMaterial); |
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| 170 | G4RunManager::GetRunManager()->PhysicsHasBeenModified(); |
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| 171 | } |
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[807] | 172 | } |
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| 173 | |
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| 174 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 175 | |
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| 176 | void DetectorConstruction::SetLBining(G4ThreeVector Value) |
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| 177 | { |
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| 178 | nLtot = (G4int)Value(0); |
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| 179 | if (nLtot > MaxBin) { |
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| 180 | G4cout << "\n ---> warning from SetLBining: " |
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| 181 | << nLtot << " truncated to " << MaxBin << G4endl; |
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| 182 | nLtot = MaxBin; |
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| 183 | } |
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| 184 | dLradl = Value(1); |
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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::SetRBining(G4ThreeVector Value) |
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| 190 | { |
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| 191 | nRtot = (G4int)Value(0); |
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| 192 | if (nRtot > MaxBin) { |
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| 193 | G4cout << "\n ---> warning from SetRBining: " |
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| 194 | << nRtot << " truncated to " << MaxBin << G4endl; |
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| 195 | nRtot = MaxBin; |
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| 196 | } |
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| 197 | dRradl = Value(1); |
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| 198 | } |
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| 199 | |
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| 200 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 201 | |
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| 202 | void DetectorConstruction::SetMagField(G4double fieldValue) |
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| 203 | { |
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| 204 | //apply a global uniform magnetic field along Z axis |
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| 205 | G4FieldManager* fieldMgr |
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| 206 | = G4TransportationManager::GetTransportationManager()->GetFieldManager(); |
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| 207 | |
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| 208 | if(magField) delete magField; //delete the existing magn field |
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| 209 | |
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| 210 | if(fieldValue!=0.) // create a new one if non nul |
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| 211 | { magField = new G4UniformMagField(G4ThreeVector(0.,0.,fieldValue)); |
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| 212 | fieldMgr->SetDetectorField(magField); |
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| 213 | fieldMgr->CreateChordFinder(magField); |
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| 214 | } else { |
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| 215 | magField = 0; |
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| 216 | fieldMgr->SetDetectorField(magField); |
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| 217 | } |
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| 218 | } |
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| 219 | |
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| 220 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 221 | |
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| 222 | void DetectorConstruction::UpdateGeometry() |
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| 223 | { |
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| 224 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructVolumes()); |
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| 225 | } |
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| 226 | |
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| 227 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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