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: G4HEPEvtInterface.cc,v 1.11 2006/06/29 18:09:48 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 | |
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33 | #include "G4Types.hh" |
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34 | |
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35 | #include "G4ios.hh" |
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36 | #include "G4HEPEvtInterface.hh" |
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37 | #include "G4PrimaryVertex.hh" |
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38 | #include "G4PrimaryParticle.hh" |
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39 | #include "G4HEPEvtParticle.hh" |
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40 | #include "G4Event.hh" |
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41 | |
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42 | G4HEPEvtInterface::G4HEPEvtInterface(char* evfile) |
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43 | { |
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44 | inputFile.open(evfile); |
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45 | if (inputFile) { |
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46 | fileName = evfile; |
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47 | } |
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48 | else { |
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49 | G4Exception("G4HEPEvtInterface:: cannot open file."); |
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50 | } |
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51 | G4ThreeVector zero; |
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52 | particle_position = zero; |
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53 | particle_time = 0.0; |
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54 | |
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55 | } |
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56 | |
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57 | G4HEPEvtInterface::G4HEPEvtInterface(G4String evfile) |
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58 | { |
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59 | const char* fn = evfile.data(); |
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60 | inputFile.open((char*)fn); |
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61 | if (inputFile) { |
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62 | fileName = evfile; |
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63 | } |
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64 | else { |
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65 | G4Exception("G4HEPEvtInterface:: cannot open file."); |
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66 | } |
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67 | G4ThreeVector zero; |
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68 | particle_position = zero; |
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69 | particle_time = 0.0; |
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70 | } |
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71 | |
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72 | G4HEPEvtInterface::~G4HEPEvtInterface() |
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73 | {;} |
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74 | |
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75 | void G4HEPEvtInterface::GeneratePrimaryVertex(G4Event* evt) |
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76 | { |
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77 | G4int NHEP; // number of entries |
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78 | inputFile >> NHEP; |
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79 | if( inputFile.eof() ) |
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80 | { |
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81 | G4Exception("End-Of-File : HEPEvt input file"); |
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82 | return; |
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83 | } |
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84 | |
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85 | for( G4int IHEP=0; IHEP<NHEP; IHEP++ ) |
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86 | { |
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87 | G4int ISTHEP; // status code |
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88 | G4int IDHEP; // PDG code |
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89 | G4int JDAHEP1; // first daughter |
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90 | G4int JDAHEP2; // last daughter |
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91 | G4double PHEP1; // px in GeV |
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92 | G4double PHEP2; // py in GeV |
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93 | G4double PHEP3; // pz in GeV |
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94 | G4double PHEP5; // mass in GeV |
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95 | |
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96 | inputFile >> ISTHEP >> IDHEP >> JDAHEP1 >> JDAHEP2 |
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97 | >> PHEP1 >> PHEP2 >> PHEP3 >> PHEP5; |
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98 | |
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99 | // create G4PrimaryParticle object |
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100 | G4PrimaryParticle* particle |
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101 | = new G4PrimaryParticle( IDHEP, PHEP1*GeV, PHEP2*GeV, PHEP3*GeV ); |
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102 | particle->SetMass( PHEP5*GeV ); |
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103 | |
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104 | // create G4HEPEvtParticle object |
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105 | G4HEPEvtParticle* hepParticle |
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106 | = new G4HEPEvtParticle( particle, ISTHEP, JDAHEP1, JDAHEP2 ); |
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107 | |
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108 | // Store |
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109 | HPlist.push_back( hepParticle ); |
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110 | } |
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111 | |
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112 | // check if there is at least one particle |
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113 | if( HPlist.size() == 0 ) return; |
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114 | |
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115 | // make connection between daughter particles decayed from |
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116 | // the same mother |
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117 | for( size_t i=0; i<HPlist.size(); i++ ) |
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118 | { |
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119 | if( HPlist[i]->GetJDAHEP1() > 0 ) // it has daughters |
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120 | { |
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121 | G4int jda1 = HPlist[i]->GetJDAHEP1()-1; // FORTRAN index starts from 1 |
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122 | G4int jda2 = HPlist[i]->GetJDAHEP2()-1; // but C++ starts from 0. |
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123 | G4PrimaryParticle* mother = HPlist[i]->GetTheParticle(); |
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124 | for( G4int j=jda1; j<=jda2; j++ ) |
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125 | { |
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126 | G4PrimaryParticle* daughter = HPlist[j]->GetTheParticle(); |
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127 | if(HPlist[j]->GetISTHEP()>0) |
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128 | { |
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129 | mother->SetDaughter( daughter ); |
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130 | HPlist[j]->Done(); |
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131 | } |
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132 | } |
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133 | } |
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134 | } |
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135 | |
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136 | // create G4PrimaryVertex object |
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137 | G4PrimaryVertex* vertex = new G4PrimaryVertex(particle_position,particle_time); |
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138 | |
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139 | // put initial particles to the vertex |
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140 | for( size_t ii=0; ii<HPlist.size(); ii++ ) |
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141 | { |
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142 | if( HPlist[ii]->GetISTHEP() > 0 ) // ISTHEP of daughters had been |
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143 | // set to negative |
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144 | { |
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145 | G4PrimaryParticle* initialParticle = HPlist[ii]->GetTheParticle(); |
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146 | vertex->SetPrimary( initialParticle ); |
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147 | } |
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148 | } |
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149 | |
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150 | // clear G4HEPEvtParticles |
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151 | //HPlist.clearAndDestroy(); |
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152 | for(size_t iii=0;iii<HPlist.size();iii++) |
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153 | { delete HPlist[iii]; } |
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154 | HPlist.clear(); |
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155 | |
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156 | // Put the vertex to G4Event object |
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157 | evt->AddPrimaryVertex( vertex ); |
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158 | } |
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159 | |
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