| 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 | // GridParticleGun
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| 28 | //
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| 29 | // Declaration of grid particle gun
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| 30 | //
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| 31 | // Grid gun: particles travel parallel to vector "direction".
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| 32 | // Each particle has a double index (ij) where (0 <= i < n), (0 <= j < m).
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| 33 | // The starting point of particle ij is:
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| 34 | //
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| 35 | // startingPoint = origin + (i/n)*g1 + (j/m)*g2
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| 36 | //
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| 37 | // where g1 and g2 are directions and origin a position.
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| 38 |
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| 39 | #ifndef GridParticleGun_hh
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| 40 | #define GridParticleGun_hh
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| 41 |
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| 42 | #include "globals.hh"
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| 43 | #include "G4VPrimaryGenerator.hh"
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| 44 | #include "G4ThreeVector.hh"
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| 45 | #include "G4ParticleDefinition.hh"
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| 46 | #include "G4PrimaryVertex.hh"
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| 47 | #include "G4ParticleMomentum.hh"
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| 48 |
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| 49 | class G4Event;
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| 50 | class GridParticleGunMessenger;
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| 51 |
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| 52 | class GridParticleGun : public G4VPrimaryGenerator
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| 53 | {
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| 54 | public:
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| 55 | GridParticleGun();
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| 56 | GridParticleGun( G4ThreeVector direction,
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| 57 | G4ThreeVector origin,
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| 58 | G4ThreeVector grid1,
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| 59 | G4ThreeVector grid2,
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| 60 | G4int n1, G4int n2 );
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| 61 | ~GridParticleGun();
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| 62 |
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| 63 | void GeneratePrimaryVertex( G4Event *evt );
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| 64 |
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| 65 | inline void SetDirection( G4ThreeVector newDirection) { direction = newDirection; }
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| 66 | inline G4ThreeVector GetDirection() const { return direction; }
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| 67 |
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| 68 | inline void SetOrigin( G4ThreeVector newOrigin) { origin = newOrigin; }
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| 69 | inline G4ThreeVector GetOrigin() const { return origin; }
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| 70 |
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| 71 | inline void SetGrid1( G4ThreeVector newGrid1 ) { grid1 = newGrid1; }
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| 72 | inline G4ThreeVector GetGrid1() const { return grid1; }
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| 73 |
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| 74 | inline void SetGrid2( G4ThreeVector newGrid2 ) { grid2 = newGrid2; }
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| 75 | inline G4ThreeVector GetGrid2() const { return grid2; }
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| 76 |
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| 77 | inline void SetN1( G4int newN1 ) { n1 = newN1; };
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| 78 | inline G4int GetN1() const { return n1; }
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| 79 |
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| 80 | inline void SetN2( G4int newN2 ) { n2 = newN2; };
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| 81 | inline G4int GetN2() const { return n2; }
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| 82 |
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| 83 |
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| 84 | private:
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| 85 | void SetDefaults();
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| 86 |
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| 87 | protected:
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| 88 | G4int n1, n2;
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| 89 | G4ThreeVector direction, origin, grid1, grid2;
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| 90 | G4ParticleDefinition *particleType;
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| 91 |
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| 92 | private:
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| 93 | GridParticleGunMessenger *messenger;
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| 94 | };
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| 95 |
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| 96 | #endif
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