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 | |
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27 | |
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28 | #include "MedLinacTrackingAction.hh" |
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29 | #include "G4TrackingManager.hh" |
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30 | #include "G4Track.hh" |
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31 | |
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32 | #include "MedLinacDetectorConstruction.hh" |
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33 | #include "MedLinacTargetAndFilterDecorator.hh" |
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34 | #include "G4TrackStatus.hh" |
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35 | #include "G4VPhysicalVolume.hh" |
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36 | #include "G4Navigator.hh" |
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37 | #include "G4TransportationManager.hh" |
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38 | #include "G4ParticleDefinition.hh" |
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39 | #include "G4ParticleTypes.hh" |
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40 | |
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41 | void MedLinacTrackingAction::PreUserTrackingAction(const G4Track* aTrack) |
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42 | { |
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43 | |
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44 | |
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45 | // global geometry navigator |
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46 | gNavigator = G4TransportationManager::GetTransportationManager() |
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47 | ->GetNavigatorForTracking(); |
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48 | |
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49 | |
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50 | // Create trajectory only for primaries |
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51 | |
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52 | // check if particle is gamma |
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53 | G4ParticleDefinition* particleType = aTrack->GetDefinition(); |
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54 | G4ThreeVector direction = aTrack->GetMomentumDirection(); |
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55 | G4double theta = std::acos(std::abs(direction.z())); |
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56 | |
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57 | //if(aTrack->GetParentID()==0) |
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58 | //fpTrackingManager->SetStoreTrajectory(true); |
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59 | |
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60 | if(particleType==G4Gamma::GammaDefinition()) { |
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61 | if(theta>=20.*deg){ |
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62 | // check if particle is in target |
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63 | G4ThreeVector pos = aTrack->GetPosition(); |
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64 | G4ThreeVector *ptr = NULL; |
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65 | G4VPhysicalVolume *theVolume; |
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66 | theVolume = gNavigator->LocateGlobalPointAndSetup(pos,ptr,false); |
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67 | if(theVolume->GetName() == "targetA"||theVolume->GetName() == "targetB") { |
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68 | |
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69 | fpTrackingManager->SetStoreTrajectory(false); } |
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70 | } |
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71 | } |
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72 | else |
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73 | {fpTrackingManager->SetStoreTrajectory(true);} |
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74 | } |
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