[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 | #include "ExP02DetectorConstruction.hh" |
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| 28 | |
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| 29 | #include "G4Material.hh" |
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| 30 | #include "G4Box.hh" |
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| 31 | #include "G4Tubs.hh" |
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| 32 | #include "G4LogicalVolume.hh" |
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| 33 | #include "G4ThreeVector.hh" |
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| 34 | #include "G4PVPlacement.hh" |
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| 35 | #include "globals.hh" |
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| 36 | |
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| 37 | //ROOT |
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| 38 | #include "TROOT.h" |
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| 39 | #include "TFile.h" |
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| 40 | #include "TSystem.h" |
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| 41 | #include "Cintex/Cintex.h" |
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| 42 | |
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| 43 | #include "ExP02GeoTree.hh" |
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| 44 | |
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| 45 | ExP02DetectorConstruction::ExP02DetectorConstruction() |
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| 46 | : experimentalHall_log(0), tracker_log(0), |
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| 47 | calorimeterBlock_log(0), calorimeterLayer_log(0), |
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| 48 | experimentalHall_phys(0), calorimeterLayer_phys(0), |
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| 49 | calorimeterBlock_phys(0), tracker_phys(0) |
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| 50 | {;} |
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| 51 | |
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| 52 | ExP02DetectorConstruction::~ExP02DetectorConstruction() |
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| 53 | { |
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| 54 | } |
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| 55 | |
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| 56 | G4VPhysicalVolume* ExP02DetectorConstruction::Construct() |
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| 57 | { |
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| 58 | |
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| 59 | //------------------------------------------------------ materials |
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| 60 | |
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| 61 | G4double a; // atomic mass |
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| 62 | G4double z; // atomic number |
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| 63 | G4double density; |
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| 64 | |
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| 65 | G4Material* Ar = |
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| 66 | new G4Material("ArgonGas", z= 18., a= 39.95*g/mole, density= 1.782*mg/cm3); |
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| 67 | |
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| 68 | G4Material* Al = |
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| 69 | new G4Material("Aluminum", z= 13., a= 26.98*g/mole, density= 2.7*g/cm3); |
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| 70 | |
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| 71 | G4Material* Pb = |
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| 72 | new G4Material("Lead", z= 82., a= 207.19*g/mole, density= 11.35*g/cm3); |
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| 73 | |
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| 74 | //------------------------------------------------------ volumes |
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| 75 | |
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| 76 | //------------------------------ experimental hall (world volume) |
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| 77 | //------------------------------ beam line along x axis |
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| 78 | |
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| 79 | G4double expHall_x = 3.0*m; |
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| 80 | G4double expHall_y = 1.0*m; |
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| 81 | G4double expHall_z = 1.0*m; |
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| 82 | G4Box* experimentalHall_box |
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| 83 | = new G4Box("expHall_box",expHall_x,expHall_y,expHall_z); |
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| 84 | experimentalHall_log = new G4LogicalVolume(experimentalHall_box, |
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| 85 | Ar,"expHall_log",0,0,0); |
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| 86 | experimentalHall_phys = new G4PVPlacement(0,G4ThreeVector(), |
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| 87 | experimentalHall_log,"expHall",0,false,0); |
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| 88 | |
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| 89 | //------------------------------ a tracker tube |
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| 90 | |
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| 91 | G4double innerRadiusOfTheTube = 0.*cm; |
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| 92 | G4double outerRadiusOfTheTube = 60.*cm; |
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| 93 | G4double hightOfTheTube = 50.*cm; |
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| 94 | G4double startAngleOfTheTube = 0.*deg; |
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| 95 | G4double spanningAngleOfTheTube = 360.*deg; |
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| 96 | G4Tubs* tracker_tube = new G4Tubs("tracker_tube",innerRadiusOfTheTube, |
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| 97 | outerRadiusOfTheTube,hightOfTheTube, |
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| 98 | startAngleOfTheTube,spanningAngleOfTheTube); |
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| 99 | tracker_log = new G4LogicalVolume(tracker_tube,Al,"tracker_log",0,0,0); |
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| 100 | G4double trackerPos_x = -1.0*m; |
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| 101 | G4double trackerPos_y = 0.*m; |
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| 102 | G4double trackerPos_z = 0.*m; |
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| 103 | tracker_phys = new G4PVPlacement(0, |
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| 104 | G4ThreeVector(trackerPos_x,trackerPos_y,trackerPos_z), |
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| 105 | tracker_log,"tracker",experimentalHall_log,false,0); |
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| 106 | |
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| 107 | //------------------------------ a calorimeter block |
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| 108 | |
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| 109 | G4double block_x = 1.0*m; |
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| 110 | G4double block_y = 50.0*cm; |
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| 111 | G4double block_z = 50.0*cm; |
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| 112 | G4Box* calorimeterBlock_box = new G4Box("calBlock_box",block_x, |
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| 113 | block_y,block_z); |
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| 114 | calorimeterBlock_log = new G4LogicalVolume(calorimeterBlock_box, |
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| 115 | Pb,"caloBlock_log",0,0,0); |
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| 116 | G4double blockPos_x = 1.0*m; |
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| 117 | G4double blockPos_y = 0.0*m; |
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| 118 | G4double blockPos_z = 0.0*m; |
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| 119 | calorimeterBlock_phys = new G4PVPlacement(0, |
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| 120 | G4ThreeVector(blockPos_x,blockPos_y,blockPos_z), |
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| 121 | calorimeterBlock_log,"caloBlock",experimentalHall_log,false,0); |
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| 122 | |
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| 123 | //------------------------------ calorimeter layers |
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| 124 | |
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| 125 | G4double calo_x = 1.*cm; |
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| 126 | G4double calo_y = 40.*cm; |
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| 127 | G4double calo_z = 40.*cm; |
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| 128 | G4Box* calorimeterLayer_box = new G4Box("caloLayer_box", |
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| 129 | calo_x,calo_y,calo_z); |
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| 130 | calorimeterLayer_log = new G4LogicalVolume(calorimeterLayer_box, |
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| 131 | Al,"caloLayer_log",0,0,0); |
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| 132 | for(G4int i=0;i<19;i++) // loop for 19 layers |
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| 133 | { |
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| 134 | G4double caloPos_x = (i-9)*10.*cm; |
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| 135 | G4double caloPos_y = 0.0*m; |
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| 136 | G4double caloPos_z = 0.0*m; |
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| 137 | calorimeterLayer_phys = new G4PVPlacement(0, |
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| 138 | G4ThreeVector(caloPos_x,caloPos_y,caloPos_z), |
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| 139 | calorimeterLayer_log,"caloLayer",calorimeterBlock_log,false,i); |
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| 140 | } |
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| 141 | |
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| 142 | //------------------------------------------------------------------ |
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| 143 | |
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| 144 | // writing the geometry to a ROOT file |
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| 145 | |
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| 146 | // initialize ROOT |
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| 147 | TSystem ts; |
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| 148 | |
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| 149 | gSystem->Load("libClassesDict"); |
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| 150 | |
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| 151 | // ROOT::Cintex::Cintex::SetDebug(2); |
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| 152 | ROOT::Cintex::Cintex::Enable(); |
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| 153 | // gDebug = 1; |
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| 154 | |
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| 155 | const G4ElementTable* eltab = G4Element::GetElementTable(); |
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| 156 | const G4MaterialTable* mattab = G4Material::GetMaterialTable(); |
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| 157 | |
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| 158 | ExP02GeoTree* geotree = new ExP02GeoTree(experimentalHall_phys, eltab, mattab); |
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| 159 | |
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| 160 | TFile fo("geo.root","RECREATE"); |
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| 161 | |
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| 162 | fo.WriteObject(geotree, "my_geo"); |
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| 163 | |
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| 164 | return experimentalHall_phys; |
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| 165 | } |
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| 166 | |
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