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