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 | #include "ExN05ParallelWorldForPion.hh" |
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27 | #include "G4Box.hh" |
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28 | #include "G4LogicalVolume.hh" |
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29 | #include "G4Region.hh" |
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30 | #include "G4PVPlacement.hh" |
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31 | #include "G4ThreeVector.hh" |
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32 | #include "ExN05PionShowerModel.hh" |
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33 | |
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34 | |
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35 | ExN05ParallelWorldForPion::ExN05ParallelWorldForPion(G4String worldName) |
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36 | : G4VUserParallelWorld(worldName) |
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37 | {;} |
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38 | |
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39 | ExN05ParallelWorldForPion::~ExN05ParallelWorldForPion() |
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40 | {;} |
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41 | |
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42 | void ExN05ParallelWorldForPion::Construct() |
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43 | { |
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44 | // -- fake material: |
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45 | G4double a, iz, density; |
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46 | G4String name, symbol; |
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47 | G4int nel; |
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48 | a = 14.01*g/mole; |
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49 | G4Element* elN = new G4Element(name="Nitrogen", symbol="N", iz=7., a); |
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50 | a = 16.00*g/mole; |
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51 | G4Element* elO = new G4Element(name="Oxigen", symbol="O", iz=8., a); |
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52 | density = 1.29e-03*g/cm3; |
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53 | G4Material* Air = new G4Material(name="Air", density, nel=2); |
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54 | Air->AddElement(elN, .7); |
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55 | Air->AddElement(elO, .3); |
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56 | |
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57 | // ------------------------------- |
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58 | // Build parallel/ghost geometry: |
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59 | // ------------------------------- |
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60 | |
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61 | // -- Obtain clone of mass geometry world from GetWorld() base class utility: |
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62 | G4VPhysicalVolume* ghostWorld = GetWorld(); |
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63 | // -- Why needed ? No default ? |
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64 | ghostWorld->GetLogicalVolume()->SetMaterial(Air); |
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65 | G4Region* parallelWorldRegion = new G4Region("ParallelWorldRegion"); |
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66 | parallelWorldRegion->AddRootLogicalVolume(ghostWorld->GetLogicalVolume()); |
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67 | |
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68 | // -- Create box for encompassing Elec.+Had. calorimeters together: |
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69 | G4double detectSize = 125*cm; |
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70 | G4Box *ghostBox |
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71 | = new G4Box("GhostBox", detectSize+5*cm, detectSize+5*cm, 80*cm); |
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72 | // -- Build the subsequent logical volume: |
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73 | G4LogicalVolume* ghostLogical |
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74 | = new G4LogicalVolume(ghostBox, |
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75 | Air, // -- no material : IMPOSSIBLE !!! |
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76 | "GhostLogical", |
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77 | 0, 0, 0); |
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78 | // -- And place this logical volume in the parallel geometry: |
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79 | new G4PVPlacement(0,G4ThreeVector(0., 0., 175*cm), |
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80 | "GhostPhysical", |
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81 | ghostLogical, |
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82 | ghostWorld,false,0); |
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83 | |
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84 | // ----------------------- |
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85 | // Setup fast simulation: |
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86 | // ----------------------- |
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87 | |
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88 | // -- Make Elec+Had logical volume becoming a region: |
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89 | G4cout << "Declaring region..." << G4endl; |
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90 | G4Region* ghostRegion = new G4Region("GhostCalorimeterRegion"); |
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91 | G4cout << "... region declared. Setting it the ghostLogical volume..." << G4endl; |
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92 | ghostRegion->AddRootLogicalVolume(ghostLogical); |
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93 | G4cout << "... succes.\n" << G4endl; |
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94 | |
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95 | // // -- Create fast simulation manager, which will handle the physics fast simulation model(s): |
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96 | // new G4FastSimulationManager(ghostRegion); |
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97 | |
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98 | // -- Attach fast simulation model (create the G4FastSimulationManager if needed): |
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99 | new ExN05PionShowerModel("ghostPionShowerModel",ghostRegion); |
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100 | |
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101 | } |
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