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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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: Em10PrimaryGeneratorAction.cc,v 1.6 2006/06/29 16:38:55 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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29 | // |
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30 | // |
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31 | |
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32 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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33 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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34 | |
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35 | #include "Em10PrimaryGeneratorAction.hh" |
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36 | |
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37 | #include "Em10DetectorConstruction.hh" |
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38 | #include "Em10PrimaryGeneratorMessenger.hh" |
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39 | |
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40 | #include "G4Event.hh" |
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41 | #include "G4ParticleGun.hh" |
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42 | #include "G4ParticleTable.hh" |
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43 | #include "G4ParticleDefinition.hh" |
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44 | #include "Randomize.hh" |
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45 | #include "G4ios.hh" |
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46 | |
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47 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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48 | |
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49 | G4String Em10PrimaryGeneratorAction::thePrimaryParticleName="proton" ; |
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50 | |
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51 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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52 | |
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53 | Em10PrimaryGeneratorAction::Em10PrimaryGeneratorAction( |
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54 | Em10DetectorConstruction* Em10DC) |
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55 | :Em10Detector(Em10DC),rndmFlag("off"),xvertex(0.),yvertex(0.),zvertex(0.), |
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56 | vertexdefined(false) |
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57 | { |
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58 | G4int n_particle = 1; |
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59 | particleGun = new G4ParticleGun(n_particle); |
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60 | |
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61 | //create a messenger for this class |
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62 | gunMessenger = new Em10PrimaryGeneratorMessenger(this); |
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63 | |
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64 | // default particle kinematic |
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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 | G4ParticleDefinition* particle |
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69 | = particleTable->FindParticle(particleName="proton"); |
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70 | particleGun->SetParticleDefinition(particle); |
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71 | |
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72 | thePrimaryParticleName = particle->GetParticleName() ; |
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73 | |
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74 | particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.)); |
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75 | particleGun->SetParticleEnergy(100.*GeV); |
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76 | |
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77 | zvertex = 0.0 ; // -0.5*(Em10Detector->GetAbsorberThickness()); |
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78 | particleGun->SetParticlePosition(G4ThreeVector(xvertex,yvertex,zvertex)); |
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79 | |
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80 | } |
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81 | |
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82 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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83 | |
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84 | Em10PrimaryGeneratorAction::~Em10PrimaryGeneratorAction() |
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85 | { |
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86 | delete particleGun; |
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87 | delete gunMessenger; |
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88 | } |
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89 | |
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90 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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91 | |
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92 | void Em10PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
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93 | { |
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94 | //this function is called at the begining of event |
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95 | // |
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96 | thePrimaryParticleName = particleGun->GetParticleDefinition()-> |
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97 | GetParticleName() ; |
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98 | G4double x0,y0,z0 ; |
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99 | if(vertexdefined) |
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100 | { |
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101 | x0 = xvertex ; |
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102 | y0 = yvertex ; |
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103 | z0 = zvertex ; |
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104 | } |
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105 | else |
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106 | { |
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107 | x0 = 0. ; |
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108 | y0 = 0. ; |
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109 | z0 = 0. ; // -0.5*(Em10Detector->GetWorldSizeZ()) ; |
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110 | } |
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111 | /* **************************************************** |
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112 | G4double r0,phi0 ; |
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113 | if (rndmFlag == "on") |
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114 | { |
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115 | r0 = (Em10Detector->GetAbsorberRadius())*std::sqrt(G4UniformRand()); |
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116 | phi0 = twopi*G4UniformRand(); |
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117 | x0 = r0*std::cos(phi0); |
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118 | y0 = r0*std::sin(phi0); |
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119 | } |
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120 | ********************************************* */ |
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121 | // particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0)); |
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122 | particleGun->SetParticlePosition(G4ThreeVector(0.,0.,0.)); |
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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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127 | // |
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128 | // |
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129 | |
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130 | G4String Em10PrimaryGeneratorAction::GetPrimaryName() |
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131 | { |
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132 | return thePrimaryParticleName ; |
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133 | } |
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134 | |
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135 | void Em10PrimaryGeneratorAction::Setzvertex(G4double z) |
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136 | { |
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137 | vertexdefined = true ; |
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138 | zvertex = z ; |
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139 | G4cout << " Z coordinate of the primary vertex = " << zvertex/mm << |
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140 | " mm." << G4endl; |
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141 | } |
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142 | void Em10PrimaryGeneratorAction::Setxvertex(G4double x) |
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143 | { |
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144 | vertexdefined = true ; |
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145 | xvertex = x ; |
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146 | G4cout << " X coordinate of the primary vertex = " << xvertex/mm << |
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147 | " mm." << G4endl; |
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148 | } |
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149 | |
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150 | void Em10PrimaryGeneratorAction::Setyvertex(G4double y) |
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151 | { |
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152 | vertexdefined = true ; |
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153 | yvertex = y ; |
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154 | G4cout << " Y coordinate of the primary vertex = " << yvertex/mm << |
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155 | " mm." << G4endl; |
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156 | } |
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