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 | // GEANT 4 - ULTRA experiment example |
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29 | // -------------------------------------------------------------- |
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30 | // |
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31 | // Code developed by: |
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32 | // B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues |
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33 | // |
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34 | // **************************************************** |
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35 | // * UltraPrimaryGeneratorAction.cc |
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36 | // **************************************************** |
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37 | // |
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38 | // Class used in the definition of the optical photons source |
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39 | // A plane, circular source is used. Depending on the source position, optical |
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40 | // photons may reach the UVscope directly or after reflection. By default direct |
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41 | // incidence is used. The source parameters can be set directly in this class |
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42 | // or through the GeneralParticleSource messenger class. |
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43 | // |
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44 | #include "UltraPrimaryGeneratorAction.hh" |
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45 | |
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46 | #include "G4Event.hh" |
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47 | #include "G4GeneralParticleSource.hh" |
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48 | #include "G4SPSAngDistribution.hh" |
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49 | #include "G4SPSEneDistribution.hh" |
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50 | #include "G4SPSPosDistribution.hh" |
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51 | #include "G4ParticleTable.hh" |
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52 | #include "G4ParticleDefinition.hh" |
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53 | #include "G4ThreeVector.hh" |
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54 | |
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55 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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56 | |
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57 | UltraPrimaryGeneratorAction::UltraPrimaryGeneratorAction() |
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58 | { |
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59 | |
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60 | particleGun = new G4GeneralParticleSource(); |
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61 | |
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62 | |
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63 | // Define here the user default properties for the General Particle Source (GPS) |
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64 | // Can be modified through the GPS Messenger (/gps/... commands) |
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65 | |
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66 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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67 | G4String particleName; |
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68 | |
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69 | G4ParticleDefinition* opticalphoton = particleTable->FindParticle(particleName="opticalphoton"); |
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70 | |
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71 | //....PARTICLE DEFINITIONS |
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72 | particleGun->SetParticleDefinition(opticalphoton); |
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73 | |
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74 | G4ThreeVector Polarization = G4ThreeVector(1.,1.,0.) ; |
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75 | particleGun->SetParticlePolarization(Polarization); |
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76 | |
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77 | // DEFINE A MONO-ENERGETIC SOURCE |
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78 | G4SPSEneDistribution *eneDist = particleGun->GetCurrentSource()->GetEneDist() ; |
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79 | eneDist->SetEnergyDisType("Mono"); |
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80 | eneDist->SetMonoEnergy(3.0*eV); |
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81 | |
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82 | // SET POSITION DISTRIBUTION |
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83 | G4SPSPosDistribution *posDist = particleGun->GetCurrentSource()->GetPosDist() ; |
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84 | posDist->SetPosDisType("Plane"); |
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85 | posDist->SetPosDisShape("Circle"); |
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86 | posDist->SetRadius(20.0*cm); |
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87 | |
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88 | #ifdef ULTRA_MIRROR_USE |
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89 | #define ULTRA_REFLECTION_USE |
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90 | #endif |
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91 | |
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92 | #ifdef ULTRA_GROUND_USE |
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93 | #define ULTRA_REFLECTION_USE |
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94 | #endif |
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95 | |
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96 | G4SPSAngDistribution *angDist = particleGun->GetCurrentSource()->GetAngDist() ; |
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97 | |
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98 | #ifdef ULTRA_REFLECTION_USE |
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99 | angDist->SetParticleMomentumDirection(G4ThreeVector(0.0,-1.0,0.0)) ; |
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100 | posDist->SetPosRot1(G4ThreeVector(1.,0.,0.)); |
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101 | posDist->SetPosRot2(G4ThreeVector(0.,0.,-1.)); |
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102 | posDist->SetCentreCoords(G4ThreeVector(0.0*cm,90.0*cm,150.0*cm)); |
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103 | |
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104 | #else |
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105 | angDist->SetParticleMomentumDirection(G4ThreeVector(0.0,0.0,-1.0)) ; |
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106 | posDist->SetCentreCoords(G4ThreeVector(0.0*cm,0.0*cm,150.0*cm)); |
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107 | |
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108 | #endif |
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109 | |
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110 | } |
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111 | |
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112 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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113 | |
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114 | UltraPrimaryGeneratorAction::~UltraPrimaryGeneratorAction() |
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115 | { |
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116 | delete particleGun; |
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117 | } |
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118 | |
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119 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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120 | |
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121 | void UltraPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
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122 | { |
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123 | |
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124 | G4int iEvent = anEvent->GetEventID() ; |
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125 | if ( iEvent == 0 ){ |
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126 | |
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127 | G4cout << particleGun->GetParticleDefinition()->GetParticleName() << " " ; |
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128 | G4cout << particleGun->GetCurrentSource()->GetEneDist()->GetEnergyDisType() << " " ; |
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129 | G4cout << particleGun->GetCurrentSource()->GetPosDist()->GetPosDisType() << G4endl ; |
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130 | |
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131 | } |
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132 | particleGun->GeneratePrimaryVertex(anEvent); |
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133 | } |
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134 | |
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135 | |
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