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 | // HepMCG4Interface.cc |
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29 | // $Id: HepMCG4Interface.cc,v 1.4 2006/06/29 17:12:24 gunter Exp $ |
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30 | // |
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31 | // ==================================================================== |
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32 | #include "HepMCG4Interface.hh" |
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33 | |
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34 | #include "G4RunManager.hh" |
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35 | #include "G4LorentzVector.hh" |
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36 | #include "G4Event.hh" |
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37 | #include "G4PrimaryParticle.hh" |
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38 | #include "G4PrimaryVertex.hh" |
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39 | #include "G4TransportationManager.hh" |
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40 | |
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41 | //////////////////////////////////// |
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42 | HepMCG4Interface::HepMCG4Interface() |
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43 | : hepmcEvent(0) |
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44 | //////////////////////////////////// |
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45 | { |
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46 | } |
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47 | |
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48 | ///////////////////////////////////// |
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49 | HepMCG4Interface::~HepMCG4Interface() |
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50 | ///////////////////////////////////// |
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51 | { |
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52 | delete hepmcEvent; |
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53 | } |
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54 | |
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55 | ///////////////////////////////////////////////////////// |
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56 | G4bool HepMCG4Interface::CheckVertexInsideWorld |
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57 | (const G4ThreeVector& pos) const |
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58 | ///////////////////////////////////////////////////////// |
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59 | { |
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60 | G4Navigator* navigator= G4TransportationManager::GetTransportationManager() |
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61 | -> GetNavigatorForTracking(); |
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62 | |
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63 | G4VPhysicalVolume* world= navigator-> GetWorldVolume(); |
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64 | G4VSolid* solid= world-> GetLogicalVolume()-> GetSolid(); |
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65 | EInside qinside= solid-> Inside(pos); |
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66 | |
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67 | if( qinside != kInside) return false; |
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68 | else return true; |
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69 | } |
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70 | |
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71 | //////////////////////////////////////////////////////////////// |
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72 | void HepMCG4Interface::HepMC2G4(const HepMC::GenEvent* hepmcevt, |
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73 | G4Event* g4event) |
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74 | //////////////////////////////////////////////////////////////// |
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75 | { |
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76 | for(HepMC::GenEvent::vertex_const_iterator vitr= hepmcevt->vertices_begin(); |
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77 | vitr != hepmcevt->vertices_end(); ++vitr ) { // loop for vertex ... |
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78 | |
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79 | // real vertex? |
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80 | G4bool qvtx=false; |
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81 | for (HepMC::GenVertex::particle_iterator |
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82 | pitr= (*vitr)->particles_begin(HepMC::children); |
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83 | pitr != (*vitr)->particles_end(HepMC::children); ++pitr) { |
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84 | |
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85 | if (!(*pitr)->end_vertex() && (*pitr)->status()==1) { |
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86 | qvtx=true; |
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87 | break; |
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88 | } |
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89 | } |
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90 | if (!qvtx) continue; |
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91 | |
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92 | // check world boundary |
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93 | G4LorentzVector xvtx= (*vitr)-> position(); |
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94 | if (! CheckVertexInsideWorld(xvtx.vect()*mm)) continue; |
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95 | |
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96 | // create G4PrimaryVertex and associated G4PrimaryParticles |
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97 | G4PrimaryVertex* g4vtx= |
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98 | new G4PrimaryVertex(xvtx.x()*mm, xvtx.y()*mm, xvtx.z()*mm, |
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99 | xvtx.t()*mm/c_light); |
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100 | |
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101 | for (HepMC::GenVertex::particle_iterator |
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102 | vpitr= (*vitr)->particles_begin(HepMC::children); |
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103 | vpitr != (*vitr)->particles_end(HepMC::children); ++vpitr) { |
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104 | |
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105 | if( (*vpitr)->status() != 1 ) continue; |
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106 | |
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107 | G4int pdgcode= (*vpitr)-> pdg_id(); |
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108 | G4LorentzVector p= (*vpitr)-> momentum(); |
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109 | G4PrimaryParticle* g4prim= |
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110 | new G4PrimaryParticle(pdgcode, p.x()*GeV, p.y()*GeV, p.z()*GeV); |
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111 | |
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112 | g4vtx-> SetPrimary(g4prim); |
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113 | } |
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114 | g4event-> AddPrimaryVertex(g4vtx); |
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115 | } |
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116 | } |
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117 | |
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118 | |
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119 | /////////////////////////////////////////////////////// |
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120 | HepMC::GenEvent* HepMCG4Interface::GenerateHepMCEvent() |
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121 | /////////////////////////////////////////////////////// |
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122 | { |
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123 | HepMC::GenEvent* aevent= new HepMC::GenEvent(); |
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124 | return aevent; |
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125 | } |
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126 | |
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127 | ////////////////////////////////////////////////////////////// |
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128 | void HepMCG4Interface::GeneratePrimaryVertex(G4Event* anEvent) |
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129 | ////////////////////////////////////////////////////////////// |
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130 | { |
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131 | // delete previous event object |
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132 | delete hepmcEvent; |
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133 | |
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134 | // generate next event |
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135 | hepmcEvent= GenerateHepMCEvent(); |
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136 | if(! hepmcEvent) { |
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137 | G4cout << "HepMCInterface: no generated particles. run terminated..." |
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138 | << G4endl; |
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139 | G4RunManager::GetRunManager()-> AbortRun(); |
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140 | return; |
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141 | } |
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142 | HepMC2G4(hepmcEvent, anEvent); |
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143 | } |
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144 | |
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