1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // $Id: PrimaryGeneratorAction.cc,v 1.4 2006/11/15 14:58:10 vnivanch Exp $ |
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27 | // GEANT4 tag $Name: $ |
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28 | // |
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29 | ///////////////////////////////////////////////////////////////////////// |
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30 | // |
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31 | // EventActionMessenger |
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32 | // |
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33 | // Created: 31.01.03 V.Ivanchenko |
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34 | // |
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35 | // Modified: |
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36 | // 04.06.2006 Adoptation of hadr01 (V.Ivanchenko) |
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37 | // 16.11.2006 Add option allowing to have user defined beam position (VI) |
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38 | // |
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39 | //////////////////////////////////////////////////////////////////////// |
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40 | // |
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41 | |
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42 | #include "PrimaryGeneratorAction.hh" |
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43 | #include "G4ParticleGun.hh" |
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44 | #include "HistoManager.hh" |
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45 | |
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46 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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47 | |
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48 | PrimaryGeneratorAction::PrimaryGeneratorAction() |
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49 | { |
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50 | particleGun = new G4ParticleGun(1); |
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51 | particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.)); |
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52 | histo = HistoManager::GetPointer(); |
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53 | } |
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54 | |
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55 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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56 | |
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57 | PrimaryGeneratorAction::~PrimaryGeneratorAction() |
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58 | { |
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59 | delete particleGun; |
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60 | } |
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61 | |
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62 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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63 | |
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64 | void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
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65 | { |
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66 | if(histo->DefaultBeamPosition()) { |
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67 | G4double zVertex = -(5.0*mm + histo->Length()); |
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68 | particleGun->SetParticlePosition(G4ThreeVector(0.,0.,zVertex)); |
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69 | } |
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70 | particleGun->GeneratePrimaryVertex(anEvent); |
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71 | } |
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72 | |
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73 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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