| 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 |
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| 29 | #include "G4Track.hh"
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| 30 |
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| 31 | #include "F04SteppingAction.hh"
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| 32 | #include "G4SteppingManager.hh"
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| 33 | #include "F04SteppingActionMessenger.hh"
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| 34 |
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| 35 | #include "G4ParticleTypes.hh"
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| 36 |
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| 37 | #include "F04UserTrackInformation.hh"
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| 38 |
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| 39 | F04SteppingAction::F04SteppingAction()
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| 40 | {
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| 41 | steppingMessenger = new F04SteppingActionMessenger(this);
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| 42 | }
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| 43 |
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| 44 | F04SteppingAction::~F04SteppingAction()
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| 45 | {
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| 46 | delete steppingMessenger ;
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| 47 | }
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| 48 |
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| 49 | void F04SteppingAction::UserSteppingAction(const G4Step* theStep)
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| 50 | {
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| 51 | G4Track* theTrack = theStep->GetTrack();
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| 52 |
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| 53 | if (theTrack->GetParentID()==0) {
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| 54 | //This is a primary track
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| 55 | G4String theVolumeName = theStep->GetPreStepPoint()->
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| 56 | GetPhysicalVolume()->GetName();
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| 57 | if (theVolumeName != "Target") {
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| 58 | theTrack->SetTrackStatus(fStopAndKill);
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| 59 | return;
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| 60 | }
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| 61 | }
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| 62 |
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| 63 | // G4ParticleDefinition* particleType = theTrack->GetDefinition();
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| 64 |
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| 65 | // check if it is entering the test volume
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| 66 | G4StepPoint* thePrePoint = theStep->GetPreStepPoint();
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| 67 | G4VPhysicalVolume* thePrePV = thePrePoint->GetPhysicalVolume();
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| 68 | G4String thePrePVname = thePrePV->GetName();
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| 69 |
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| 70 | G4String thePostPVname = " ";
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| 71 | G4StepPoint* thePostPoint = theStep->GetPostStepPoint();
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| 72 |
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| 73 | if (thePostPoint) {
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| 74 | G4VPhysicalVolume* thePostPV = thePostPoint->GetPhysicalVolume();
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| 75 | if (thePostPV) thePostPVname = thePostPV->GetName();
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| 76 | }
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| 77 |
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| 78 | if (thePrePVname != "TestPlane" &&
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| 79 | thePostPVname == "TestPlane") {
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| 80 |
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| 81 | // G4double x = theTrack->GetPosition().x();
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| 82 | // G4double y = theTrack->GetPosition().y();
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| 83 |
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| 84 | G4ThreeVector theMomentumDirection = theTrack->
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| 85 | GetDynamicParticle()->GetMomentumDirection();
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| 86 | // G4double theTotalMomentum = theTrack->GetDynamicParticle()->
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| 87 | // GetTotalMomentum();
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| 88 |
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| 89 | // then kill the track
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| 90 | theTrack->SetTrackStatus(fStopAndKill);
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| 91 | return;
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| 92 |
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| 93 | }
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| 94 |
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| 95 | // G4double z = theTrack->GetPosition().z();
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| 96 |
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| 97 | F04UserTrackInformation* trackInformation =
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| 98 | (F04UserTrackInformation*)theTrack->GetUserInformation();
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| 99 |
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| 100 | if (trackInformation->GetTrackStatusFlag() != reverse) {
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| 101 | if (thePrePVname != "Target" ) {
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| 102 | if ( theTrack-> GetMomentumDirection().z()>0.0 &&
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| 103 | theTrack->GetVertexMomentumDirection().z()<0.0 )
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| 104 | {
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| 105 | trackInformation->SetTrackStatusFlag(reverse);
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| 106 | }
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| 107 | }
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| 108 | }
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| 109 |
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| 110 | // check if it is alive
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| 111 | if (theTrack->GetTrackStatus() == fAlive) { return; }
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| 112 |
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| 113 | if (thePostPoint->GetProcessDefinedStep() != 0) {
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| 114 | if (thePostPoint->GetProcessDefinedStep()->GetProcessName() != "Decay") return;
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| 115 | }
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| 116 |
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| 117 | }
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