[1316] | 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 | // SprayParticleGun |
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| 28 | // |
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| 29 | // Implementation of test particle gun |
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| 30 | // |
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| 31 | |
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| 32 | #include "SprayParticleGun.hh" |
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| 33 | #include "SprayParticleGunMessenger.hh" |
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| 34 | |
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| 35 | #include "G4PrimaryParticle.hh" |
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| 36 | #include "G4ParticleTypes.hh" |
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| 37 | #include "G4Event.hh" |
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| 38 | |
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| 39 | // |
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| 40 | // Constructor (no arguments) |
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| 41 | // |
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| 42 | SprayParticleGun::SprayParticleGun() |
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| 43 | { |
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| 44 | SetDefaults(); |
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| 45 | } |
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| 46 | |
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| 47 | // |
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| 48 | // Constructor (position specified) |
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| 49 | // |
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| 50 | SprayParticleGun::SprayParticleGun( G4ThreeVector inStart ) |
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| 51 | { |
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| 52 | SetDefaults(); |
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| 53 | start = inStart; |
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| 54 | } |
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| 55 | |
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| 56 | // |
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| 57 | // Destructor |
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| 58 | // |
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| 59 | SprayParticleGun::~SprayParticleGun() { |
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| 60 | delete messenger; |
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| 61 | } |
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| 62 | |
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| 63 | // |
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| 64 | // SetDefaults |
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| 65 | // |
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| 66 | // Set default parameters |
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| 67 | // |
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| 68 | void SprayParticleGun::SetDefaults() |
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| 69 | { |
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| 70 | start = G4ThreeVector(0,0,0); |
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| 71 | spray[0] = 7; |
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| 72 | spray[1] = 7; |
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| 73 | spray[2] = 2; |
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| 74 | |
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| 75 | particleType = G4Geantino::GeantinoDefinition(); |
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| 76 | |
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| 77 | messenger = new SprayParticleGunMessenger(this); |
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| 78 | } |
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| 79 | |
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| 80 | // |
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| 81 | // GeneratePrimaryVertex |
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| 82 | // |
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| 83 | // Make the event |
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| 84 | // |
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| 85 | void SprayParticleGun::GeneratePrimaryVertex( G4Event *evt ) |
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| 86 | { |
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| 87 | // |
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| 88 | // Create a new vertex |
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| 89 | // |
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| 90 | G4PrimaryVertex *vertex = new G4PrimaryVertex( start, 0.0 ); |
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| 91 | |
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| 92 | // |
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| 93 | // Loop over the three dimensions, creating particles |
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| 94 | // as specified |
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| 95 | // |
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| 96 | G4double px = -1.0; |
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| 97 | G4int ix = 1; |
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| 98 | do { |
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| 99 | if (!(spray[0]&ix)) continue; |
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| 100 | |
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| 101 | G4double py = -1.0; |
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| 102 | G4int iy = 1; |
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| 103 | do { |
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| 104 | if (!(spray[1]&iy)) continue; |
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| 105 | |
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| 106 | G4double pz = -1.0; |
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| 107 | G4int iz = 1; |
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| 108 | do { |
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| 109 | if (!(spray[2]&iz)) continue; |
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| 110 | |
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| 111 | if (ix==2 && iy==2 && iz==2) continue; |
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| 112 | |
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| 113 | G4PrimaryParticle *particle = new G4PrimaryParticle( particleType, px, py, pz ); |
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| 114 | vertex->SetPrimary( particle ); |
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| 115 | } while( pz += 1.0, iz <<= 1, iz < 8 ); |
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| 116 | } while( py += 1.0, iy <<= 1, iy < 8 ); |
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| 117 | } while( px += 1.0, ix <<= 1, ix < 8 ); |
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| 118 | |
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| 119 | // |
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| 120 | // Give this sucker to the event |
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| 121 | // |
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| 122 | evt->AddPrimaryVertex( vertex ); |
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| 123 | } |
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