[816] | 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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[1228] | 28 | // GEANT4 tag $Name: geant4-09-03 $ |
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[816] | 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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