| 1 | // |
|---|
| 2 | // ******************************************************************** |
|---|
| 3 | // * License and Disclaimer * |
|---|
| 4 | // * * |
|---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
|---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
|---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
|---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
|---|
| 9 | // * include a list of copyright holders. * |
|---|
| 10 | // * * |
|---|
| 11 | // * Neither the authors of this software system, nor their employing * |
|---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
|---|
| 13 | // * work make any representation or warranty, express or implied, * |
|---|
| 14 | // * regarding this software system or assume any liability for its * |
|---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
|---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
|---|
| 17 | // * * |
|---|
| 18 | // * This code implementation is the result of the scientific and * |
|---|
| 19 | // * technical work of the GEANT4 collaboration. * |
|---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
|---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
|---|
| 22 | // * use in resulting scientific publications, and indicate your * |
|---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
|---|
| 24 | // ******************************************************************** |
|---|
| 25 | // |
|---|
| 26 | // $Id: PrimaryGeneratorAction.cc,v 1.6 2006/06/29 16:50:44 gunter Exp $ |
|---|
| 27 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
|---|
| 28 | // |
|---|
| 29 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
|---|
| 30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
|---|
| 31 | |
|---|
| 32 | #include "PrimaryGeneratorAction.hh" |
|---|
| 33 | |
|---|
| 34 | #include "DetectorConstruction.hh" |
|---|
| 35 | #include "G4Event.hh" |
|---|
| 36 | #include "G4ParticleTable.hh" |
|---|
| 37 | #include "G4ParticleDefinition.hh" |
|---|
| 38 | |
|---|
| 39 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
|---|
| 40 | |
|---|
| 41 | PrimaryGeneratorAction::PrimaryGeneratorAction (DetectorConstruction* det) |
|---|
| 42 | :detector(det) |
|---|
| 43 | { |
|---|
| 44 | G4int n_particle = 1; |
|---|
| 45 | particleGun = new G4ParticleGun(n_particle); |
|---|
| 46 | |
|---|
| 47 | G4ParticleDefinition* particle |
|---|
| 48 | = G4ParticleTable::GetParticleTable()->FindParticle("e-"); |
|---|
| 49 | particleGun->SetParticleDefinition(particle); |
|---|
| 50 | particleGun->SetParticleEnergy(5.*GeV); |
|---|
| 51 | particleGun->SetParticlePosition(initPos = G4ThreeVector(-1*cm,-1*cm,-1*cm)); |
|---|
| 52 | particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.)); |
|---|
| 53 | } |
|---|
| 54 | |
|---|
| 55 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
|---|
| 56 | |
|---|
| 57 | PrimaryGeneratorAction::~PrimaryGeneratorAction() |
|---|
| 58 | { |
|---|
| 59 | delete particleGun; |
|---|
| 60 | } |
|---|
| 61 | |
|---|
| 62 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
|---|
| 63 | |
|---|
| 64 | void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
|---|
| 65 | { |
|---|
| 66 | //this function is called at the begin of event |
|---|
| 67 | // |
|---|
| 68 | if (particleGun->GetParticlePosition() == initPos) { |
|---|
| 69 | G4double position = -0.5*(detector->GetfullLength()); |
|---|
| 70 | particleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,position)); |
|---|
| 71 | } |
|---|
| 72 | particleGun->GeneratePrimaryVertex(anEvent); |
|---|
| 73 | } |
|---|
| 74 | |
|---|
| 75 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
|---|
| 76 | |
|---|
