[807] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | // $Id: MedLinacPrimaryGeneratorAction.cc,v 1.8 2006/06/29 16:04:43 gunter Exp $ |
---|
| 27 | // |
---|
| 28 | // |
---|
| 29 | // Code developed by: M. Piergentili |
---|
| 30 | // |
---|
| 31 | #include "MedLinacPrimaryGeneratorAction.hh" |
---|
| 32 | #include "MedLinacPrimaryGeneratorMessenger.hh" |
---|
| 33 | |
---|
| 34 | #ifdef G4ANALYSIS_USE |
---|
| 35 | #include "MedLinacAnalysisManager.hh" |
---|
| 36 | #endif |
---|
| 37 | #include "MedLinacDetectorConstruction.hh" |
---|
| 38 | #include "G4Event.hh" |
---|
| 39 | #include "G4ParticleGun.hh" |
---|
| 40 | #include "G4ParticleTable.hh" |
---|
| 41 | #include "G4ParticleDefinition.hh" |
---|
| 42 | #include "globals.hh" |
---|
| 43 | #include "Randomize.hh" |
---|
| 44 | #include "G4RunManager.hh" |
---|
| 45 | #include "G4UImanager.hh" |
---|
| 46 | #include "G4IonTable.hh" |
---|
| 47 | |
---|
| 48 | MedLinacPrimaryGeneratorAction::MedLinacPrimaryGeneratorAction() |
---|
| 49 | :pEnergy(99.0*MeV),sigma(12.7*MeV) |
---|
| 50 | { |
---|
| 51 | G4int n_particle = 1; |
---|
| 52 | particleGun = new G4ParticleGun(n_particle); |
---|
| 53 | |
---|
| 54 | //create a messenger for this class |
---|
| 55 | gunMessenger = new MedLinacPrimaryGeneratorMessenger(this); |
---|
| 56 | |
---|
| 57 | // default particle kinematic |
---|
| 58 | |
---|
| 59 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
---|
| 60 | G4String particleName; |
---|
| 61 | |
---|
| 62 | particleGun->SetParticleDefinition(particleTable->FindParticle(particleName="e-")); |
---|
| 63 | particleGun->SetParticleEnergy(pEnergy); |
---|
| 64 | |
---|
| 65 | //********************************************************************** |
---|
| 66 | //********************************************************************** |
---|
| 67 | particleGun->SetParticlePosition(G4ThreeVector(0.0*cm, 0.0*cm, 123.0*cm)); |
---|
| 68 | //particleGun->SetParticlePosition(G4ThreeVector(0.0*cm, 0.0*cm, 160.09855*cm)); |
---|
| 69 | //********************************************************************** |
---|
| 70 | //********************************************************************** |
---|
| 71 | |
---|
| 72 | } |
---|
| 73 | |
---|
| 74 | MedLinacPrimaryGeneratorAction::~MedLinacPrimaryGeneratorAction() |
---|
| 75 | { |
---|
| 76 | delete particleGun; |
---|
| 77 | delete gunMessenger; |
---|
| 78 | } |
---|
| 79 | |
---|
| 80 | void MedLinacPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
---|
| 81 | { |
---|
| 82 | G4double energy; |
---|
| 83 | |
---|
| 84 | //#ifdef G4ANALYSIS_USE |
---|
| 85 | //MedLinacAnalysisManager* analysis = MedLinacAnalysisManager::getInstance(); |
---|
| 86 | //#endif |
---|
| 87 | |
---|
| 88 | //BeamLine |
---|
| 89 | //G4ThreeVector v(0.0,0.0,-1.0); |
---|
| 90 | //particleGun->SetParticleMomentumDirection(v); |
---|
| 91 | |
---|
| 92 | |
---|
| 93 | //uniform distribution in solid angle (-1<cosTheta<-0.9999; 0<phi<2pi) |
---|
| 94 | // |
---|
| 95 | |
---|
| 96 | //G4double cosTheta = -0.0001*G4UniformRand()-0.9999; |
---|
| 97 | G4double cosTheta = CLHEP::RandGauss::shoot(-1.,0.00003); |
---|
| 98 | G4double phi = twopi * G4UniformRand(); |
---|
| 99 | |
---|
| 100 | G4double sinTheta = std::sqrt(1. - cosTheta*cosTheta); |
---|
| 101 | G4double ux = sinTheta*std::cos(phi); |
---|
| 102 | G4double uy = sinTheta*std::sin(phi); |
---|
| 103 | G4double uz = cosTheta; |
---|
| 104 | |
---|
| 105 | particleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,uz)); |
---|
| 106 | |
---|
| 107 | energy=pEnergy; |
---|
| 108 | energy = CLHEP::RandGauss::shoot(pEnergy,sigma); |
---|
| 109 | particleGun->SetParticleEnergy(energy); |
---|
| 110 | |
---|
| 111 | //G4cout <<"the energy of the primaries is " << energy <<" "<<"MeV"<< G4endl; |
---|
| 112 | //G4cout <<"the sigma of the energy is " << sigma <<" "<<"MeV"<< G4endl; |
---|
| 113 | |
---|
| 114 | particleGun->GeneratePrimaryVertex(anEvent); |
---|
| 115 | } |
---|
| 116 | |
---|
| 117 | |
---|
| 118 | |
---|