Geant4 Cross Reference |
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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 /// \file eventgenerator/particleGun/src/Prima 26 /// \file eventgenerator/particleGun/src/PrimaryGeneratorAction1.cc 27 /// \brief Implementation of the PrimaryGenera 27 /// \brief Implementation of the PrimaryGeneratorAction1 class 28 // 28 // 29 // 29 // 30 // << 30 // 31 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 32 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 33 33 34 #include "PrimaryGeneratorAction1.hh" 34 #include "PrimaryGeneratorAction1.hh" 35 << 36 #include "PrimaryGeneratorAction.hh" 35 #include "PrimaryGeneratorAction.hh" 37 36 38 #include "G4Event.hh" 37 #include "G4Event.hh" 39 #include "G4ParticleDefinition.hh" << 40 #include "G4ParticleGun.hh" 38 #include "G4ParticleGun.hh" 41 #include "G4ParticleTable.hh" 39 #include "G4ParticleTable.hh" >> 40 #include "G4ParticleDefinition.hh" 42 #include "G4PhysicalConstants.hh" 41 #include "G4PhysicalConstants.hh" 43 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh" 44 #include "Randomize.hh" 43 #include "Randomize.hh" 45 44 46 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 47 46 48 PrimaryGeneratorAction1::PrimaryGeneratorActio << 47 PrimaryGeneratorAction1::PrimaryGeneratorAction1(G4ParticleGun* gun) >> 48 : fParticleGun(gun) >> 49 { } >> 50 >> 51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... >> 52 >> 53 PrimaryGeneratorAction1::~PrimaryGeneratorAction1() >> 54 { } 49 55 50 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 51 57 52 void PrimaryGeneratorAction1::GeneratePrimarie 58 void PrimaryGeneratorAction1::GeneratePrimaries(G4Event* anEvent) 53 { 59 { 54 const G4double r = 2 * mm; << 60 const G4double r = 2*mm; 55 const G4double zmax = 8 * mm; << 61 const G4double zmax = 8*mm; 56 << 62 57 // vertex 1 uniform on cylinder << 63 //vertex 1 uniform on cylinder 58 // 64 // 59 G4double alpha = twopi * G4UniformRand(); / << 65 G4double alpha = twopi*G4UniformRand(); //alpha uniform in (0, 2*pi) 60 G4double ux = std::cos(alpha); 66 G4double ux = std::cos(alpha); 61 G4double uy = std::sin(alpha); 67 G4double uy = std::sin(alpha); 62 G4double z = zmax * (2 * G4UniformRand() - 1 << 68 G4double z = zmax*(2*G4UniformRand() - 1); //z uniform in (-zmax, +zmax) 63 << 69 64 fParticleGun->SetParticlePosition(G4ThreeVec << 70 fParticleGun->SetParticlePosition(G4ThreeVector(r*ux,r*uy,z)); 65 fParticleGun->SetParticleMomentumDirection(G << 71 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,0)); 66 fParticleGun->SetParticleEnergy(1 * MeV); << 72 fParticleGun->SetParticleEnergy(1*MeV); 67 fParticleGun->GeneratePrimaryVertex(anEvent) 73 fParticleGun->GeneratePrimaryVertex(anEvent); 68 << 74 69 // vertex 2 at opposite << 75 //vertex 2 at opposite 70 // 76 // 71 alpha += pi; 77 alpha += pi; 72 ux = std::cos(alpha); 78 ux = std::cos(alpha); 73 uy = std::sin(alpha); << 79 uy = std::sin(alpha); 74 fParticleGun->SetParticlePosition(G4ThreeVec << 80 fParticleGun->SetParticlePosition(G4ThreeVector(r*ux,r*uy,z)); 75 << 81 76 // particle 2 at vertex 2 << 82 //particle 2 at vertex 2 77 // 83 // 78 const G4double dalpha = 10 * deg; << 84 const G4double dalpha = 10*deg; 79 ux = std::cos(alpha + dalpha); 85 ux = std::cos(alpha + dalpha); 80 uy = std::sin(alpha + dalpha); << 86 uy = std::sin(alpha + dalpha); 81 << 87 82 fParticleGun->SetParticleMomentumDirection(G << 88 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,0)); 83 fParticleGun->SetParticleEnergy(1 * keV); << 89 fParticleGun->SetParticleEnergy(1*keV); 84 fParticleGun->GeneratePrimaryVertex(anEvent) 90 fParticleGun->GeneratePrimaryVertex(anEvent); 85 << 91 86 // particle 3 at vertex 3 (same as vertex 2) << 92 //particle 3 at vertex 3 (same as vertex 2) 87 // 93 // 88 ux = std::cos(alpha - dalpha); 94 ux = std::cos(alpha - dalpha); 89 uy = std::sin(alpha - dalpha); << 95 uy = std::sin(alpha - dalpha); 90 << 96 91 fParticleGun->SetParticleMomentumDirection(G << 97 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,0)); 92 fParticleGun->SetParticleEnergy(1 * GeV); << 98 fParticleGun->SetParticleEnergy(1*GeV); 93 fParticleGun->GeneratePrimaryVertex(anEvent) 99 fParticleGun->GeneratePrimaryVertex(anEvent); 94 << 100 95 // randomize time zero of anEvent 101 // randomize time zero of anEvent 96 // 102 // 97 G4double tmin = 0 * s, tmax = 10 * s; << 103 G4double tmin = 0*s, tmax = 10*s; 98 G4double t0 = tmin + (tmax - tmin) * G4Unifo << 104 G4double t0 = tmin + (tmax - tmin)*G4UniformRand(); 99 G4PrimaryVertex* aVertex = anEvent->GetPrima 105 G4PrimaryVertex* aVertex = anEvent->GetPrimaryVertex(); 100 while (aVertex) { 106 while (aVertex) { 101 aVertex->SetT0(t0); 107 aVertex->SetT0(t0); 102 aVertex = aVertex->GetNext(); 108 aVertex = aVertex->GetNext(); 103 } 109 } 104 } 110 } 105 111 106 //....oooOO0OOooo........oooOO0OOooo........oo 112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 107 113