| 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: G4AdjointSteppingAction.hh,v 1.3 2009/11/20 14:24:34 ldesorgh Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-03 $
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| 28 | //
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| 29 | /////////////////////////////////////////////////////////////////////////////////
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| 30 | // Class Name: G4AdjointSteppingAction
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| 31 | // Author: L. Desorgher
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| 32 | // Contract: ESA contract 21435/08/NL/AT
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| 33 | // Organisation: SpaceIT GmbH
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| 34 | // Customer: ESA/ESTEC
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| 35 | /////////////////////////////////////////////////////////////////////////////////
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| 36 | //
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| 37 | // CHANGE HISTORY
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| 38 | // --------------
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| 39 | // ChangeHistory:
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| 40 | // -15/01/2007 Creation by L. Desorgher
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| 41 | // -01/11/2009 Some cleaning and adding of documentation for the first Release in the Geant4 toolkit, L. Desorgher
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| 42 | // -04/11/2009 Adding the possibility to use user stepping action, L. Desorgher
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| 43 | // -20/11/2009 Correct the stop of adjoint particles tracking when it reenters the adjoint source.
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| 44 | //
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| 45 | //
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| 46 | //-------------------------------------------------------------
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| 47 | // Documentation:
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| 48 | // Stepping action used in the adjoint simulation.
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| 49 | // It is responsible to stop the adjoint tracking phase when:
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| 50 | // -a)The adjoint track reaches the external surface.
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| 51 | // -b)The being tracked adjoint dynamic particle get an energy higher than the maximum energy of the external source.
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| 52 | // -c)The adjoint track enters the volume delimited by the adjoint source.
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| 53 | // In the case a) the info (energy,weight,...) of the adjoint dynamic particle associated to the track
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| 54 | // when crossing the external source is registered and in the next event a forward primary is generated. In the other cases b) and c)
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| 55 | // The next generated fwd particle is killed before being tracked and the next tracking of an adjoint particle is started directly.
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| 56 | //
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| 57 |
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| 58 | #ifndef G4AdjointSteppingAction_h
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| 59 | #define G4AdjointSteppingAction_h 1
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| 60 |
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| 61 | #include "G4UserSteppingAction.hh"
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| 62 | #include "globals.hh"
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| 63 | #include "G4ThreeVector.hh"
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| 64 |
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| 65 | class G4AdjointCrossSurfChecker;
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| 66 | class G4ParticleDefinition;
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| 67 |
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| 68 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 69 |
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| 70 | class G4AdjointSteppingAction : public G4UserSteppingAction
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| 71 | {
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| 72 | public:
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| 73 | G4AdjointSteppingAction();
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| 74 | ~G4AdjointSteppingAction();
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| 75 |
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| 76 | void UserSteppingAction(const G4Step*);
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| 77 |
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| 78 | inline void SetExtSourceEMax(G4double Emax){ext_sourceEMax=Emax;}
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| 79 | inline void SetStartEvent(G4bool aBool){start_event =aBool;}
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| 80 | inline G4bool GetDidAdjParticleReachTheExtSource(){return did_adj_part_reach_ext_source;}
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| 81 | inline G4ThreeVector GetLastMomentum(){return last_momentum;}
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| 82 | inline G4ThreeVector GetLastPosition(){return last_pos;}
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| 83 | inline G4double GetLastEkin(){return last_ekin;}
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| 84 | inline G4double GetLastWeight(){return last_weight;}
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| 85 | inline void SetPrimWeight(G4double weight){prim_weight=weight;}
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| 86 | inline G4ParticleDefinition* GetLastPartDef(){return last_part_def;}
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| 87 | inline void SetUserAdjointSteppingAction( G4UserSteppingAction* anAction) {theUserAdjointSteppingAction = anAction;}
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| 88 |
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| 89 | private:
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| 90 |
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| 91 | G4double ext_sourceEMax;
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| 92 | G4AdjointCrossSurfChecker* theG4AdjointCrossSurfChecker;
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| 93 | G4bool start_event;
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| 94 |
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| 95 | G4bool did_adj_part_reach_ext_source;
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| 96 | G4ThreeVector last_momentum, last_pos;
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| 97 | G4double last_ekin;
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| 98 | G4double last_weight ;
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| 99 | G4double prim_weight ;
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| 100 | G4ParticleDefinition* last_part_def;
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| 101 | G4UserSteppingAction* theUserAdjointSteppingAction;
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| 102 |
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| 103 | };
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| 104 | #endif
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| 105 |
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