[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 "exGPSGeometryConstruction.hh" |
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| 30 | |
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| 31 | #include "G4Material.hh" |
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| 32 | #include "G4Element.hh" |
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| 33 | #include "G4Box.hh" |
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| 34 | #include "G4Sphere.hh" |
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| 35 | #include "G4LogicalVolume.hh" |
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| 36 | #include "G4ThreeVector.hh" |
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| 37 | #include "G4PVPlacement.hh" |
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| 38 | |
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| 39 | #include "G4VisAttributes.hh" |
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| 40 | #include "G4Colour.hh" |
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| 41 | |
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| 42 | |
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| 43 | //////////////////////////////////////////////////////////////////////////////// |
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| 44 | // |
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| 45 | exGPSGeometryConstruction::exGPSGeometryConstruction () |
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| 46 | {;} |
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| 47 | //////////////////////////////////////////////////////////////////////////////// |
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| 48 | // |
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| 49 | exGPSGeometryConstruction::~exGPSGeometryConstruction () |
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| 50 | {;} |
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| 51 | //////////////////////////////////////////////////////////////////////////////// |
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| 52 | // |
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| 53 | G4VPhysicalVolume* exGPSGeometryConstruction::Construct () |
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| 54 | { |
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| 55 | // |
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| 56 | // |
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| 57 | // Define materials. |
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| 58 | // |
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| 59 | G4double a, iz, z, density,pressure, temperature; |
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| 60 | G4String name, symbol; |
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| 61 | |
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| 62 | |
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| 63 | density = universe_mean_density; //from PhysicalConstants.h |
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| 64 | pressure = 3.e-18*pascal; |
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| 65 | temperature = 2.73*kelvin; |
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| 66 | G4Material* Vacuum = new G4Material("Vacuum", |
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| 67 | 1., 1.01*g/mole, density, |
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| 68 | kStateGas,temperature,pressure); |
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| 69 | a = 26.98154*g/mole; |
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| 70 | density = 2.70*g/cm3; |
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| 71 | G4Material* Aluminium = new G4Material(name="aluminium", z=13., a, density); |
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| 72 | |
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| 73 | a = 28.0855*g/mole; |
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| 74 | G4Element* elSi = new G4Element(name="silicon", symbol="Si", iz=14., a); |
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| 75 | |
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| 76 | a = 16.00*g/mole; |
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| 77 | G4Element* elO = new G4Element(name="Oxygen", symbol="O", iz=8., a); |
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| 78 | |
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| 79 | density = 2.65*g/cm3; |
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| 80 | G4Material* SiliconDioxide = |
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| 81 | new G4Material(name="silicon oxide", density, 2); |
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| 82 | SiliconDioxide->AddElement(elSi, 1); |
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| 83 | SiliconDioxide->AddElement(elO, 2); |
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| 84 | // |
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| 85 | // Define size of experiment hall and volumes which will fill it. |
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| 86 | // |
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| 87 | G4double world_r = 150.0*mm; |
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| 88 | |
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| 89 | G4double box_x = 100.0*mm; |
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| 90 | G4double box_y = 100.0*mm; |
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| 91 | G4double box_z = 100.0*mm; |
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| 92 | |
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| 93 | G4double sphere_r = 50.0*mm; |
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| 94 | |
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| 95 | // Define bodies, logical volumes and physical volumes. |
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| 96 | // First define the experimental hall. |
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| 97 | // |
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| 98 | G4Sphere * universe_s |
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| 99 | = new G4Sphere("universe_s",0,world_r,0.*deg,360.*deg,0.*deg,180.*deg); |
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| 100 | G4LogicalVolume * universe_log |
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| 101 | = new G4LogicalVolume(universe_s,Vacuum,"universe_L",0,0,0); |
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| 102 | // |
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| 103 | universe_phys |
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| 104 | = new G4PVPlacement(0,G4ThreeVector(),"universe_P", |
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| 105 | universe_log,0,false,0); |
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| 106 | //define an aluminium box |
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| 107 | // |
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| 108 | G4Box * Al_box |
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| 109 | = new G4Box("Al_b",box_x,box_y,box_z); // |
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| 110 | G4LogicalVolume * Al_log |
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| 111 | = new G4LogicalVolume(Al_box,Aluminium,"Box_log",0,0,0); |
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| 112 | // |
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| 113 | Al_phys |
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| 114 | = new G4PVPlacement(0,G4ThreeVector(0.,0.,0.),"Box_phys", |
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| 115 | Al_log,universe_phys,false,0); |
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| 116 | // |
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| 117 | // Define an inner sphere. |
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| 118 | //x1 |
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| 119 | G4Sphere * aSphere_sph |
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| 120 | = new G4Sphere("aSphere",0,sphere_r,0.*deg,360.*deg,0.*deg,180.*deg); |
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| 121 | G4LogicalVolume * aSphere_log |
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| 122 | = new G4LogicalVolume(aSphere_sph,SiliconDioxide,"Sphere_log",0,0,0); |
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| 123 | // |
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| 124 | aSphere_phys |
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| 125 | = new G4PVPlacement(0,G4ThreeVector(0.,0.,0.),"Sphere_phys",aSphere_log, |
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| 126 | Al_phys,false,0); |
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| 127 | |
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| 128 | //--------- Visualization attributes ------------------------------- |
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| 129 | universe_log->SetVisAttributes(G4VisAttributes::Invisible); |
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| 130 | G4VisAttributes* aVisAtt= new G4VisAttributes(G4Colour(0,1.0,1.0)); |
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| 131 | Al_log->SetVisAttributes(aVisAtt); |
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| 132 | G4VisAttributes* bVisAtt= new G4VisAttributes(G4Colour(1.0,2.0,.0)); |
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| 133 | aSphere_log->SetVisAttributes(bVisAtt); |
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| 134 | |
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| 135 | return universe_phys; |
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| 136 | } |
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