| 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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