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 | // $Id: PhotInPrimaryGeneratorAction.cc,v 1.6 2006/06/29 16:25:21 gunter Exp $ |
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28 | // GEANT4 tag $Name: $ |
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29 | // |
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30 | |
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31 | #define debug |
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32 | |
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33 | #include "PhotInPrimaryGeneratorAction.hh" |
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34 | |
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35 | PhotInPrimaryGeneratorAction::PhotInPrimaryGeneratorAction(): |
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36 | section(1),detector(0),part("gamma"),energy(100.),oldPart("gamma"),oldEnergy(100.) |
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37 | { |
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38 | #ifdef debug |
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39 | G4cout<<"PhotInPrimaryGeneratorAction::Constructor: part="<<part<<", E="<<energy<<G4endl; |
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40 | #endif |
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41 | G4int n_particle = 1; |
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42 | particleGun = new G4ParticleGun(n_particle); // Initialization of the pointer from BODY |
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43 | |
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44 | // default particle kinematic |
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45 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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46 | G4String particleName; |
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47 | G4ParticleDefinition* particle = particleTable->FindParticle(particleName=part); |
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48 | particleGun->SetParticleDefinition(particle); |
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49 | particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.)); |
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50 | particleGun->SetParticleEnergy(energy*GeV); |
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51 | } |
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52 | |
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53 | PhotInPrimaryGeneratorAction::~PhotInPrimaryGeneratorAction() {delete particleGun;} |
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54 | |
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55 | void PhotInPrimaryGeneratorAction::SetProjectileName(G4String partName) |
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56 | { |
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57 | #ifdef debug |
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58 | G4cout<<"PhotInPrimaryGeneratorAction::SetProjectileName:Before Name="<<partName |
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59 | <<", oldName="<<part<<G4endl; |
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60 | #endif |
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61 | //@@ Make a check that such a particle exists (M.K.) |
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62 | part=partName; |
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63 | #ifdef debug |
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64 | G4cout<<"PhotInPrimaryGeneratorAction::SetProjectileName: After Name="<<part<<G4endl; |
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65 | #endif |
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66 | } |
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67 | |
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68 | void PhotInPrimaryGeneratorAction::SetProjectileEnergy(G4double partEnergy) |
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69 | { |
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70 | #ifdef debug |
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71 | G4cout<<"PhotInPrimaryGeneratorAction::SetProjectileEnergy: before E="<<energy<<G4endl; |
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72 | #endif |
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73 | energy=partEnergy; |
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74 | #ifdef debug |
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75 | G4cout<<"PhotInPrimaryGeneratorAction::SetProjectileEnergy: before E="<<energy<<G4endl; |
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76 | #endif |
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77 | } |
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78 | |
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79 | void PhotInPrimaryGeneratorAction::SetDetector(PhotInDetectorConstruction* det) |
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80 | { |
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81 | #ifdef debug |
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82 | G4cout<<"PhotInPrimaryGeneratorAction::SetDetector: is called"<<G4endl; |
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83 | #endif |
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84 | detector=det; |
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85 | } |
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86 | |
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87 | void PhotInPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
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88 | { |
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89 | #ifdef debug |
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90 | G4cout<<"PhotInPrimaryGeneratorAction::GeneratePrimaries: "<<part<<",E="<<energy<<G4endl; |
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91 | #endif |
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92 | if(part!=oldPart || energy!=oldEnergy) |
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93 | { |
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94 | #ifdef debug |
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95 | G4cout<<"PhotInPrimaryGeneratorAction::GeneratePrimaries: part&E're redefined"<<G4endl; |
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96 | #endif |
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97 | // new particle kinematic |
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98 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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99 | G4String particleName; |
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100 | G4ParticleDefinition* particle = particleTable->FindParticle(particleName=part); |
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101 | particleGun->SetParticleDefinition(particle); |
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102 | particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.)); |
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103 | particleGun->SetParticleEnergy(energy*GeV); |
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104 | oldPart=part; |
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105 | oldEnergy=energy; |
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106 | } |
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107 | |
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108 | G4double hY=detector->GetHalfYWidth(); |
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109 | G4double hZ=detector->GetHalfZThickness(); |
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110 | if(section==1) // The section #1 is always in the center (comment or change if #ofSec!=3) |
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111 | { |
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112 | particleGun->SetParticlePosition(G4ThreeVector(0.,0.,-hZ)); |
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113 | particleGun->GeneratePrimaryVertex(anEvent); |
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114 | } |
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115 | else if(detector->IsSerial()) |
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116 | { |
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117 | particleGun->SetParticlePosition(G4ThreeVector(0.,0.,hZ*(section+section-3))); |
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118 | particleGun->GeneratePrimaryVertex(anEvent); |
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119 | } |
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120 | else |
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121 | { |
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122 | particleGun->SetParticlePosition(G4ThreeVector(0.,hY*(section+section-2),-hZ)); |
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123 | particleGun->GeneratePrimaryVertex(anEvent); |
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124 | } |
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125 | } |
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126 | |
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