Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // This example is provided by the Geant4-DNA 27 // Any report or published results obtained us 28 // and the DNA geometry given in the Geom_DNA 29 // shall cite the following Geant4-DNA collabo 30 // [1] NIM B 298 (2013) 47-54 31 // [2] Med. Phys. 37 (2010) 4692-4708 32 // The Geant4-DNA web site is available at htt 33 // 34 //....oooOO0OOooo........oooOO0OOooo........oo 35 /// \file PrimaryGeneratorAction.cc 36 /// \brief Implementation of the PrimaryGenera 37 38 #include "PrimaryGeneratorAction.hh" 39 40 #include "G4SystemOfUnits.hh" 41 #include "Randomize.hh" 42 43 //....oooOO0OOooo........oooOO0OOooo........oo 44 45 PrimaryGeneratorAction::PrimaryGeneratorAction 46 { 47 G4int n_particle = 1; 48 fpParticleGun = new G4ParticleGun(n_particle 49 50 // default gun parameters 51 fpParticleGun->SetParticleEnergy(1. * keV); 52 fpParticleGun->SetParticleMomentumDirection( 53 } 54 55 //....oooOO0OOooo........oooOO0OOooo........oo 56 57 PrimaryGeneratorAction::~PrimaryGeneratorActio 58 { 59 delete fpParticleGun; 60 } 61 62 //....oooOO0OOooo........oooOO0OOooo........oo 63 64 void PrimaryGeneratorAction::GeneratePrimaries 65 { 66 G4double x0, y0, z0; 67 68 x0 = ((16.0 * G4UniformRand()) - 8.0) * micr 69 y0 = ((8.0 * G4UniformRand()) - 4.0) * micro 70 z0 = -2.99 * micrometer; 71 fpParticleGun->SetParticlePosition(G4ThreeVe 72 fpParticleGun->GeneratePrimaryVertex(anEvent 73 } 74