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25 // 25 //
26 /// \file field/BlineTracer/src/G4BlinePrimary <<
27 /// \brief Implementation of the G4BlinePrimar <<
28 // <<
29 // 26 //
>> 27 // $Id: G4BlinePrimaryGeneratorAction.cc,v 1.3 2006/06/29 17:15:11 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-09-02 $
30 // 29 //
31 // 30 //
32 // ------------------------------------------- 31 // --------------------------------------------------------------------
33 // 32 //
34 // G4BlinePrimaryGeneratorAction implementatio 33 // G4BlinePrimaryGeneratorAction implementation
35 // 34 //
36 // ------------------------------------------- 35 // --------------------------------------------------------------------
37 // Author: Laurent Desorgher (desorgher@phim.u 36 // Author: Laurent Desorgher (desorgher@phim.unibe.ch)
38 // Created - 2003-10-06 37 // Created - 2003-10-06
39 // ------------------------------------------- 38 // --------------------------------------------------------------------
40 39
41 #include "G4BlinePrimaryGeneratorAction.hh" 40 #include "G4BlinePrimaryGeneratorAction.hh"
42 41
43 #include "G4ChargedGeantino.hh" <<
44 #include "G4Event.hh" <<
45 #include "G4SystemOfUnits.hh" <<
46 #include "G4Types.hh" 42 #include "G4Types.hh"
>> 43 #include "G4Event.hh"
>> 44 #include "G4ChargedGeantino.hh"
>> 45
>> 46 ///////////////////////////////////////////////////////////////////////////
>> 47
>> 48 G4BlinePrimaryGeneratorAction::G4BlinePrimaryGeneratorAction()
>> 49 {
>> 50 fUserPrimaryAction = 0;
>> 51 FirstPartOfBline = true;
>> 52 }
47 53
48 //....oooOO0OOooo........oooOO0OOooo........oo << 54 ///////////////////////////////////////////////////////////////////////////
>> 55
>> 56 G4BlinePrimaryGeneratorAction::~G4BlinePrimaryGeneratorAction()
>> 57 {
>> 58 }
>> 59
>> 60 ///////////////////////////////////////////////////////////////////////////
49 61
50 void G4BlinePrimaryGeneratorAction::GeneratePr 62 void G4BlinePrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
51 { 63 {
52 if (!fUserPrimaryAction) { << 64 if (!fUserPrimaryAction)
53 G4Exception("G4BlinePrimaryGeneratorAction << 65 {
>> 66 G4Exception("G4BlinePrimaryGeneratorAction::GeneratePrimaries()",
>> 67 "NullPointer", JustWarning,
54 "Primary generator action not 68 "Primary generator action not defined !");
55 return; 69 return;
56 } 70 }
57 71
58 // For the first part of a bline the start p 72 // For the first part of a bline the start position and time are defined
59 // by using the USER primary action while fo 73 // by using the USER primary action while for the second part the previous
60 // values are taken. 74 // values are taken.
61 << 75
62 if (fFirstPartOfBline) { << 76 if (FirstPartOfBline)
>> 77 {
63 // set the position and time defined by us 78 // set the position and time defined by using the USER primary action
64 << 79
65 auto tmpEvent = new G4Event(); << 80 G4Event* tmpEvent = new G4Event();
66 fUserPrimaryAction->GeneratePrimaries(tmpE 81 fUserPrimaryAction->GeneratePrimaries(tmpEvent);
67 fBlineStartPosition = tmpEvent->GetPrimary << 82 BlineStartPosition = tmpEvent->GetPrimaryVertex()->GetPosition();
68 fT0 = tmpEvent->GetPrimaryVertex()->GetT0( << 83 T0 = tmpEvent->GetPrimaryVertex()->GetT0();
69 delete tmpEvent; 84 delete tmpEvent;
70 } 85 }
71 fFirstPartOfBline = false; << 86 FirstPartOfBline = false;
72 87
73 auto primary_vertex = new G4PrimaryVertex(fB << 88 G4PrimaryVertex* primary_vertex =
>> 89 new G4PrimaryVertex(BlineStartPosition, T0);
74 90
75 // Define the particle to be tracked as Char 91 // Define the particle to be tracked as Charged Geantino
76 << 92
77 G4ChargedGeantino* pdef = G4ChargedGeantino: 93 G4ChargedGeantino* pdef = G4ChargedGeantino::ChargedGeantino();
>> 94
>> 95 G4double mass = pdef->GetPDGMass();
>> 96 G4double energy = 10000.*MeV + mass;
>> 97 G4double pmom = std::sqrt(energy*energy-mass*mass);
78 98
79 G4double mass = pdef->GetPDGMass(); << 99 // The momentum direction and energy do not have an effect in tracing of
80 G4double energy = 10000. * MeV + mass; <<
81 G4double pmom = std::sqrt(energy * energy - <<
82 <<
83 // The momentum direction and energy do not <<
84 // bline but still need to be defined. 100 // bline but still need to be defined.
85 << 101
86 G4double px = 0.; 102 G4double px = 0.;
87 G4double py = 0.; 103 G4double py = 0.;
88 G4double pz = pmom; 104 G4double pz = pmom;
89 105
90 auto particle = new G4PrimaryParticle(pdef, << 106 G4PrimaryParticle* particle = new G4PrimaryParticle(pdef,px,py,pz);
91 particle->SetMass(mass); << 107 particle->SetMass( mass );
92 particle->SetCharge(pdef->GetPDGCharge()); 108 particle->SetCharge(pdef->GetPDGCharge());
93 primary_vertex->SetPrimary(particle); << 109 primary_vertex->SetPrimary( particle );
94 << 110
95 anEvent->AddPrimaryVertex(primary_vertex); << 111 anEvent->AddPrimaryVertex( primary_vertex );
96 } 112 }
97 113