[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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| 27 | // |
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| 28 | |
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| 29 | #include "G4ios.hh" |
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| 30 | #include "globals.hh" |
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| 31 | |
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| 32 | #include "F04DetectorConstruction.hh" |
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| 33 | #include "F04DetectorMessenger.hh" |
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| 34 | |
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| 35 | #include "F04GlobalField.hh" |
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| 36 | |
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| 37 | #include "G4Tubs.hh" |
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| 38 | #include "G4LogicalVolume.hh" |
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| 39 | #include "G4PVPlacement.hh" |
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| 40 | |
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| 41 | #include "G4Material.hh" |
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| 42 | #include "G4NistManager.hh" |
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| 43 | |
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| 44 | #include "G4FieldManager.hh" |
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| 45 | #include "G4UniformMagField.hh" |
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| 46 | #include "G4TransportationManager.hh" |
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| 47 | |
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| 48 | #include "G4GeometryManager.hh" |
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| 49 | |
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| 50 | #include "G4SolidStore.hh" |
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| 51 | #include "G4RegionStore.hh" |
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| 52 | #include "G4LogicalVolumeStore.hh" |
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| 53 | #include "G4PhysicalVolumeStore.hh" |
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| 54 | |
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| 55 | #include "G4RunManager.hh" |
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| 56 | |
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| 57 | #include "F04DetectorConstruction.hh" |
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| 58 | #include "F04DetectorMessenger.hh" |
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| 59 | #include "F04Materials.hh" |
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| 60 | |
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| 61 | #include "G4RotationMatrix.hh" |
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| 62 | |
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| 63 | #include "F04SimpleSolenoid.hh" |
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| 64 | #include "F04FocusSolenoid.hh" |
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| 65 | |
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| 66 | F04DetectorConstruction::F04DetectorConstruction() |
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| 67 | : solidWorld(0), logicWorld(0), physiWorld(0), |
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| 68 | solidTarget(0), logicTarget(0), physiTarget(0), |
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| 69 | solidDegrader(0),logicDegrader(0), physiDegrader(0), |
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| 70 | solidCaptureMgnt(0), logicCaptureMgnt(0), physiCaptureMgnt(0), |
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| 71 | solidTransferMgnt(0), logicTransferMgnt(0), physiTransferMgnt(0), |
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| 72 | WorldMaterial(0), TargetMaterial(0), DegraderMaterial(0), |
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| 73 | focusSolenoid(0), simpleSolenoid(0) |
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| 74 | { |
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| 75 | WorldSizeZ = 50.*m; |
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| 76 | WorldSizeR = 5.*m; |
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| 77 | |
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| 78 | TargetRadius = 0.4*cm; |
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| 79 | TargetThickness = 16.0*cm; |
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| 80 | |
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| 81 | SetTargetAngle(170); |
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| 82 | |
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| 83 | DegraderRadius = 30.0*cm; |
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| 84 | DegraderThickness = 0.1*cm; |
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| 85 | |
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| 86 | CaptureMgntRadius = 0.6*m; |
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| 87 | CaptureMgntLength = 4.0*m; |
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| 88 | |
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| 89 | SetCaptureMgntB1(2.5*tesla); |
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| 90 | SetCaptureMgntB2(5.0*tesla); |
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| 91 | |
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| 92 | TransferMgntRadius = 0.3*m; |
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| 93 | TransferMgntLength = 15.0*m; |
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| 94 | |
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| 95 | SetTransferMgntB(5.0*tesla); |
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| 96 | |
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| 97 | DegraderPos = -TransferMgntLength/2. + DegraderThickness/2.; |
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| 98 | |
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| 99 | // ensure the global field is initialized |
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| 100 | (void)F04GlobalField::getObject(); |
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| 101 | |
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| 102 | detectorMessenger = new F04DetectorMessenger(this); |
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| 103 | } |
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| 104 | |
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| 105 | F04DetectorConstruction::~F04DetectorConstruction() |
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| 106 | { |
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| 107 | delete detectorMessenger; |
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| 108 | } |
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| 109 | |
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| 110 | G4VPhysicalVolume* F04DetectorConstruction::Construct() |
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| 111 | { |
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| 112 | materials = F04Materials::GetInstance(); |
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| 113 | |
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| 114 | DefineMaterials(); |
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| 115 | |
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| 116 | return ConstructDetector(); |
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| 117 | } |
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| 118 | |
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| 119 | void F04DetectorConstruction::DefineMaterials() |
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| 120 | { |
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| 121 | //define materials for the experiment |
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| 122 | |
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| 123 | Vacuum = materials->GetMaterial("G4_Galactic"); |
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| 124 | |
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| 125 | WorldMaterial = materials->GetMaterial("G4_AIR"); |
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| 126 | DegraderMaterial = materials->GetMaterial("G4_Pb"); |
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| 127 | TargetMaterial = materials->GetMaterial("G4_W"); |
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| 128 | } |
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| 129 | |
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| 130 | G4VPhysicalVolume* F04DetectorConstruction::ConstructDetector() |
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| 131 | { |
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| 132 | solidWorld = new G4Tubs("World", |
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| 133 | 0.,GetWorldSizeR(),GetWorldSizeZ()/2.,0.,twopi); |
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| 134 | |
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| 135 | logicWorld = new G4LogicalVolume(solidWorld, |
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| 136 | GetWorldMaterial(), |
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| 137 | "World"); |
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| 138 | |
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| 139 | physiWorld = new G4PVPlacement(0, |
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| 140 | G4ThreeVector(), |
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| 141 | "World", |
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| 142 | logicWorld, |
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| 143 | 0, |
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| 144 | false, |
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| 145 | 0); |
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| 146 | |
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| 147 | // Capture Magnet |
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| 148 | |
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| 149 | solidCaptureMgnt = new G4Tubs("CaptureMgnt", |
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| 150 | 0.,GetCaptureMgntRadius(), |
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| 151 | GetCaptureMgntLength()/2.,0.,twopi); |
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| 152 | |
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| 153 | logicCaptureMgnt = new G4LogicalVolume(solidCaptureMgnt, |
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| 154 | Vacuum, |
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| 155 | "CaptureMgnt"); |
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| 156 | |
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| 157 | G4ThreeVector CaptureMgntCenter = G4ThreeVector(); |
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| 158 | |
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| 159 | physiCaptureMgnt = new G4PVPlacement(0, |
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| 160 | CaptureMgntCenter, |
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| 161 | "CaptureMgnt", |
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| 162 | logicCaptureMgnt, |
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| 163 | physiWorld, |
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| 164 | false, |
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| 165 | 0); |
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| 166 | |
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| 167 | // Transfer Magnet |
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| 168 | |
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| 169 | solidTransferMgnt = new G4Tubs("TransferMgnt", |
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| 170 | 0.,GetTransferMgntRadius(), |
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| 171 | GetTransferMgntLength()/2.,0.,twopi); |
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| 172 | |
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| 173 | logicTransferMgnt = new G4LogicalVolume(solidTransferMgnt, |
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| 174 | Vacuum, |
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| 175 | "TransferMgnt"); |
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| 176 | |
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| 177 | G4double z = GetCaptureMgntLength()/2. + GetTransferMgntLength()/2. |
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| 178 | + GetTransferMgntPos(); |
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| 179 | G4double x = GetTransferMgntPos()/2.; |
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| 180 | |
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| 181 | G4ThreeVector TransferMgntCenter = G4ThreeVector(x,0.,z); |
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| 182 | |
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| 183 | G4RotationMatrix* g4rot = new G4RotationMatrix(); |
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| 184 | *g4rot = stringToRotationMatrix("Y30,X10"); |
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| 185 | *g4rot = g4rot->inverse(); |
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| 186 | if (*g4rot == G4RotationMatrix()) g4rot = NULL; |
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| 187 | |
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| 188 | physiTransferMgnt = new G4PVPlacement(g4rot, |
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| 189 | TransferMgntCenter, |
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| 190 | "TransferMgnt", |
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| 191 | logicTransferMgnt, |
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| 192 | physiWorld, |
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| 193 | false, |
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| 194 | 0); |
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| 195 | |
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| 196 | // Test Plane |
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| 197 | |
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| 198 | G4Tubs* solidTestPlane = new G4Tubs("TestPlane", |
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| 199 | 0.,GetTransferMgntRadius(), |
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| 200 | 1.*mm,0.,twopi); |
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| 201 | |
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| 202 | G4LogicalVolume* logicTestPlane = new G4LogicalVolume(solidTestPlane, |
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| 203 | Vacuum, |
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| 204 | "TestPlane"); |
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| 205 | |
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| 206 | |
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| 207 | z = GetTransferMgntLength()/2. - 1.*mm; |
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| 208 | |
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| 209 | G4ThreeVector TestPlaneCenter = G4ThreeVector(0.,0.,z); |
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| 210 | |
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| 211 | new G4PVPlacement(0, |
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| 212 | TestPlaneCenter, |
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| 213 | "TestPlane", |
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| 214 | logicTestPlane, |
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| 215 | physiTransferMgnt, |
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| 216 | false, |
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| 217 | 0); |
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| 218 | |
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| 219 | // Target |
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| 220 | |
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| 221 | if (GetTargetThickness() > 0.) |
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| 222 | { |
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| 223 | solidTarget = new G4Tubs("Target", |
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| 224 | 0.,GetTargetRadius(), |
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| 225 | GetTargetThickness()/2.,0.,twopi); |
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| 226 | |
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| 227 | logicTarget = new G4LogicalVolume(solidTarget, |
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| 228 | GetTargetMaterial(), |
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| 229 | "Target"); |
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| 230 | |
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| 231 | G4int i = GetTargetAngle(); |
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| 232 | |
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| 233 | char c[4]; |
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| 234 | sprintf(c,"%d",i); |
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| 235 | G4String Angle = c; |
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| 236 | Angle = Angle.strip(G4String::both,' '); |
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| 237 | Angle = "Y" + Angle; |
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| 238 | |
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| 239 | g4rot = new G4RotationMatrix(); |
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| 240 | *g4rot = stringToRotationMatrix(Angle); |
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| 241 | *g4rot = g4rot->inverse(); |
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| 242 | if (*g4rot == G4RotationMatrix()) g4rot = NULL; |
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| 243 | |
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| 244 | G4ThreeVector TargetCenter(0.,0.,GetTargetPos()); |
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| 245 | |
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| 246 | physiTarget = new G4PVPlacement(g4rot, |
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| 247 | TargetCenter, |
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| 248 | "Target", |
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| 249 | logicTarget, |
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| 250 | physiCaptureMgnt, |
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| 251 | false, |
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| 252 | 0); |
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| 253 | } |
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| 254 | |
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| 255 | // Degrader |
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| 256 | |
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| 257 | if (GetDegraderThickness() > 0.) |
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| 258 | { |
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| 259 | solidDegrader = new G4Tubs("Degrader", |
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| 260 | 0., GetDegraderRadius(), |
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| 261 | GetDegraderThickness()/2., 0.,twopi); |
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| 262 | |
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| 263 | logicDegrader = new G4LogicalVolume(solidDegrader, |
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| 264 | GetDegraderMaterial(), |
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| 265 | "Degrader"); |
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| 266 | |
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| 267 | G4ThreeVector DegraderCenter = G4ThreeVector(0.,0.,GetDegraderPos()); |
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| 268 | |
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| 269 | physiDegrader = new G4PVPlacement(0, |
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| 270 | DegraderCenter, |
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| 271 | "Degrader", |
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| 272 | logicDegrader, |
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| 273 | physiTransferMgnt, |
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| 274 | false, |
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| 275 | 0); |
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| 276 | } |
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| 277 | |
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| 278 | G4double l = 0.0; |
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| 279 | G4double B1 = GetCaptureMgntB1(); |
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| 280 | G4double B2 = GetCaptureMgntB2(); |
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| 281 | |
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| 282 | if (focusSolenoid) delete focusSolenoid; |
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| 283 | focusSolenoid = new F04FocusSolenoid(B1, B2, l, |
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| 284 | logicCaptureMgnt,CaptureMgntCenter); |
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| 285 | focusSolenoid -> SetHalf(true); |
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| 286 | |
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| 287 | l = 0.0; |
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| 288 | G4double B = GetTransferMgntB(); |
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| 289 | |
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| 290 | if (simpleSolenoid) delete simpleSolenoid; |
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| 291 | simpleSolenoid = new F04SimpleSolenoid(B, l, |
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| 292 | logicTransferMgnt,TransferMgntCenter); |
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| 293 | |
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| 294 | simpleSolenoid->setColor("1,0,1"); |
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| 295 | simpleSolenoid->setColor("0,1,1"); |
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| 296 | simpleSolenoid->setMaxStep(1.5*mm); |
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| 297 | simpleSolenoid->setMaxStep(2.5*mm); |
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| 298 | |
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| 299 | return physiWorld; |
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| 300 | } |
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| 301 | |
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| 302 | void F04DetectorConstruction::SetWorldMaterial(const G4String materialChoice) |
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| 303 | { |
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| 304 | G4Material* pttoMaterial = |
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| 305 | G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); |
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| 306 | |
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| 307 | if (pttoMaterial != WorldMaterial) { |
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| 308 | if ( pttoMaterial ) { |
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| 309 | WorldMaterial = pttoMaterial; |
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| 310 | } else { |
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| 311 | G4cout << "\n--> WARNING from SetWorldMaterial : " |
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| 312 | << materialChoice << " not found" << G4endl; |
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| 313 | } |
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| 314 | } |
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| 315 | } |
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| 316 | |
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| 317 | void F04DetectorConstruction::SetTargetMaterial(const G4String materialChoice) |
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| 318 | { |
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| 319 | G4Material* pttoMaterial = |
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| 320 | G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); |
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| 321 | |
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| 322 | if (pttoMaterial != TargetMaterial) { |
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| 323 | if ( pttoMaterial ) { |
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| 324 | TargetMaterial = pttoMaterial; |
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| 325 | } else { |
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| 326 | G4cout << "\n--> WARNING from SetTargetMaterial : " |
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| 327 | << materialChoice << " not found" << G4endl; |
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| 328 | } |
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| 329 | } |
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| 330 | } |
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| 331 | |
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| 332 | void F04DetectorConstruction::SetDegraderMaterial(const G4String materialChoice) |
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| 333 | |
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| 334 | { |
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| 335 | G4Material* pttoMaterial = |
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| 336 | G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); |
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| 337 | |
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| 338 | if (pttoMaterial != DegraderMaterial) { |
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| 339 | if ( pttoMaterial ) { |
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| 340 | DegraderMaterial = pttoMaterial; |
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| 341 | } else { |
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| 342 | G4cout << "\n--> WARNING from SetDegraderMaterial : " |
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| 343 | << materialChoice << " not found" << G4endl; |
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| 344 | } |
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| 345 | } |
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| 346 | } |
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| 347 | |
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| 348 | void F04DetectorConstruction::SetWorldSizeZ(G4double val) |
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| 349 | { |
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| 350 | WorldSizeZ = val; |
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| 351 | } |
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| 352 | |
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| 353 | void F04DetectorConstruction::SetWorldSizeR(G4double val) |
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| 354 | { |
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| 355 | WorldSizeR = val; |
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| 356 | } |
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| 357 | |
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| 358 | void F04DetectorConstruction::SetCaptureMgntRadius(G4double val) |
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| 359 | { |
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| 360 | CaptureMgntRadius = val; |
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| 361 | } |
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| 362 | |
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| 363 | void F04DetectorConstruction::SetCaptureMgntLength(G4double val) |
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| 364 | { |
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| 365 | CaptureMgntLength = val; |
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| 366 | } |
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| 367 | |
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| 368 | void F04DetectorConstruction::SetCaptureMgntB1(G4double val) |
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| 369 | { |
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| 370 | CaptureMgntB1 = val; |
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| 371 | } |
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| 372 | |
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| 373 | void F04DetectorConstruction::SetCaptureMgntB2(G4double val) |
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| 374 | { |
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| 375 | CaptureMgntB2 = val; |
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| 376 | } |
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| 377 | |
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| 378 | void F04DetectorConstruction::SetTransferMgntRadius(G4double val) |
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| 379 | { |
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| 380 | TransferMgntRadius = val; |
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| 381 | } |
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| 382 | |
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| 383 | void F04DetectorConstruction::SetTransferMgntLength(G4double val) |
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| 384 | { |
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| 385 | TransferMgntLength = val; |
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| 386 | } |
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| 387 | |
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| 388 | void F04DetectorConstruction::SetTransferMgntB(G4double val) |
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| 389 | { |
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| 390 | TransferMgntB = val; |
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| 391 | } |
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| 392 | |
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| 393 | void F04DetectorConstruction::SetTransferMgntPos(G4double val) |
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| 394 | { |
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| 395 | TransferMgntPos = val; |
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| 396 | } |
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| 397 | |
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| 398 | void F04DetectorConstruction::SetTargetRadius(G4double val) |
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| 399 | { |
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| 400 | TargetRadius = val; |
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| 401 | } |
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| 402 | |
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| 403 | void F04DetectorConstruction::SetTargetThickness(G4double val) |
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| 404 | { |
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| 405 | TargetThickness = val; |
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| 406 | } |
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| 407 | |
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| 408 | void F04DetectorConstruction::SetTargetPos(G4double val) |
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| 409 | { |
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| 410 | TargetPos = val; |
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| 411 | } |
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| 412 | |
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| 413 | void F04DetectorConstruction::SetTargetAngle(G4int val) |
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| 414 | { |
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| 415 | TargetAngle = val; |
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| 416 | } |
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| 417 | |
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| 418 | void F04DetectorConstruction::SetDegraderRadius(G4double val) |
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| 419 | { |
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| 420 | DegraderRadius = val; |
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| 421 | } |
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| 422 | |
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| 423 | void F04DetectorConstruction::SetDegraderThickness(G4double val) |
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| 424 | { |
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| 425 | DegraderThickness = val; |
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| 426 | } |
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| 427 | |
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| 428 | void F04DetectorConstruction::SetDegraderPos(G4double val) |
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| 429 | { |
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| 430 | DegraderPos = val; |
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| 431 | } |
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| 432 | |
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| 433 | void F04DetectorConstruction::UpdateGeometry() |
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| 434 | { |
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| 435 | if (!physiWorld) return; |
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| 436 | |
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| 437 | // clean-up previous geometry |
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| 438 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 439 | |
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| 440 | G4PhysicalVolumeStore::GetInstance()->Clean(); |
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| 441 | G4LogicalVolumeStore::GetInstance()->Clean(); |
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| 442 | G4SolidStore::GetInstance()->Clean(); |
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| 443 | |
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| 444 | //define new one |
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| 445 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructDetector()); |
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| 446 | |
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| 447 | G4RunManager::GetRunManager()->GeometryHasBeenModified(); |
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| 448 | G4RunManager::GetRunManager()->PhysicsHasBeenModified(); |
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| 449 | |
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| 450 | G4RegionStore::GetInstance()->UpdateMaterialList(physiWorld); |
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| 451 | |
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| 452 | } |
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| 453 | |
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| 454 | G4RotationMatrix |
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| 455 | F04DetectorConstruction::stringToRotationMatrix(G4String rotation) |
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| 456 | { |
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| 457 | // We apply successive rotations OF THE OBJECT around the FIXED |
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| 458 | // axes of the parent's local coordinates; rotations are applied |
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| 459 | // left-to-right (rotation="r1,r2,r3" => r1 then r2 then r3). |
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| 460 | |
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| 461 | G4RotationMatrix rot; |
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| 462 | |
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| 463 | unsigned int place = 0; |
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| 464 | |
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| 465 | while (place < rotation.size()) { |
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| 466 | |
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| 467 | G4double angle; |
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| 468 | char* p(0); |
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| 469 | G4String current=rotation.substr(place+1); |
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| 470 | angle = strtod(current.c_str(),&p) * deg; |
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| 471 | |
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| 472 | if (!p || (*p != ',' && *p != '\0')) { |
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| 473 | G4cerr << "Invalid rotation specification: " << |
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| 474 | rotation.c_str() << G4endl; |
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| 475 | |
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| 476 | return rot; |
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| 477 | } |
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| 478 | |
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| 479 | G4RotationMatrix thisRotation; |
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| 480 | |
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| 481 | switch(rotation.substr(place,1).c_str()[0]) { |
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| 482 | case 'X': case 'x': |
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| 483 | thisRotation = G4RotationMatrix(CLHEP::HepRotationX(angle)); |
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| 484 | break; |
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| 485 | case 'Y': case 'y': |
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| 486 | thisRotation = G4RotationMatrix(CLHEP::HepRotationY(angle)); |
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| 487 | break; |
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| 488 | case 'Z': case 'z': |
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| 489 | thisRotation = G4RotationMatrix(CLHEP::HepRotationZ(angle)); |
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| 490 | break; |
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| 491 | default: |
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| 492 | G4cerr << " Invalid rotation specification: " |
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| 493 | << rotation << G4endl; |
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| 494 | return rot; |
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| 495 | } |
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| 496 | |
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| 497 | rot = thisRotation * rot; |
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| 498 | place = rotation.find(',',place); |
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| 499 | if (place > rotation.size()) break; |
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| 500 | ++place; |
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| 501 | } |
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| 502 | |
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| 503 | return rot; |
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| 504 | |
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| 505 | } |
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