[807] | 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 | // $Id: XrayFluoPrimaryGeneratorAction.cc |
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| 28 | // GEANT4 tag $Name: xray_fluo-V03-02-00 |
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| 29 | // |
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| 30 | // Author: Elena Guardincerri (Elena.Guardincerri@ge.infn.it) |
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| 31 | // |
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| 32 | // History: |
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| 33 | // ----------- |
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| 34 | // 28 Nov 2001 Elena Guardincerri Created |
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| 35 | // |
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| 36 | // ------------------------------------------------------------------- |
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| 37 | |
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| 38 | #include "XrayFluoPrimaryGeneratorAction.hh" |
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| 39 | //#include "G4DataVector.hh" |
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| 40 | #include "XrayFluoDetectorConstruction.hh" |
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| 41 | #include "XrayFluoPrimaryGeneratorMessenger.hh" |
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| 42 | #include "XrayFluoRunAction.hh" |
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| 43 | #include "G4Event.hh" |
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| 44 | #include "G4ParticleGun.hh" |
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| 45 | #include "G4ParticleTable.hh" |
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| 46 | #include "G4ParticleDefinition.hh" |
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| 47 | #include "Randomize.hh" |
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| 48 | #include "XrayFluoAnalysisManager.hh" |
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| 49 | #include "XrayFluoDataSet.hh" |
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| 50 | #ifdef G4ANALYSIS_USE |
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| 51 | #include "AIDA/AIDA.h" |
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| 52 | #endif |
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| 53 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 54 | |
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| 55 | XrayFluoPrimaryGeneratorAction::XrayFluoPrimaryGeneratorAction(XrayFluoDetectorConstruction* XrayFluoDC) |
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| 56 | :rndmFlag("off"),beam("off"),spectrum("off"),isoVert("off"),phaseSpaceGunFlag(false), |
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| 57 | rayleighFlag(true), particleEnergies(0), particleTypes(0), detectorPosition(0) |
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| 58 | { |
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| 59 | |
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| 60 | XrayFluoDetector = XrayFluoDC; |
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| 61 | |
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| 62 | G4int n_particle = 1; |
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| 63 | particleGun = new G4ParticleGun(n_particle); |
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| 64 | |
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| 65 | //create a messenger for this class |
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| 66 | gunMessenger = new XrayFluoPrimaryGeneratorMessenger(this); |
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| 67 | runManager = new XrayFluoRunAction(); |
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| 68 | |
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| 69 | // default particle kinematic |
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| 70 | |
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| 71 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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| 72 | G4String particleName; |
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| 73 | G4ParticleDefinition* particle |
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| 74 | = particleTable->FindParticle(particleName="gamma"); |
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| 75 | particleGun->SetParticleDefinition(particle); |
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| 76 | particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.)); |
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| 77 | particleGun->SetParticleEnergy(10.*keV); |
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| 78 | |
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| 79 | G4double position = -0.5*(XrayFluoDetector->GetWorldSizeZ()); |
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| 80 | particleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,position)); |
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| 81 | |
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| 82 | |
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| 83 | |
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| 84 | G4cout << "XrayFluoPrimaryGeneratorAction created" << G4endl; |
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| 85 | |
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| 86 | } |
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| 87 | |
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| 88 | |
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| 89 | void XrayFluoPrimaryGeneratorAction::ActivatePhaseSpace(G4String fileName) { |
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| 90 | |
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| 91 | // load phase-space |
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| 92 | #ifdef G4ANALYSIS_USE |
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| 93 | phaseSpaceGunFlag = true; |
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| 94 | |
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| 95 | // reads the data stored on disk form previous runs |
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| 96 | // and get these data to data members |
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| 97 | |
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| 98 | XrayFluoAnalysisManager* analysis = XrayFluoAnalysisManager::getInstance(); |
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| 99 | analysis->LoadGunData(fileName, rayleighFlag); |
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| 100 | particleEnergies = analysis->GetEmittedParticleEnergies(); |
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| 101 | particleTypes = analysis->GetEmittedParticleTypes(); |
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| 102 | detectorPosition = XrayFluoDetector->GetDetectorPosition(); |
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[1230] | 103 | detectorPosition.setR(detectorPosition.r()-(5.*cm)); // 5 cm before the detector, so in front of it. |
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[807] | 104 | #endif |
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| 105 | |
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| 106 | } |
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| 107 | |
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| 108 | |
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| 109 | void XrayFluoPrimaryGeneratorAction::SetRayleighFlag (G4bool value) |
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| 110 | { |
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| 111 | |
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| 112 | G4cout << "value: " << value << G4endl; |
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| 113 | rayleighFlag = value; |
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| 114 | |
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| 115 | } |
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| 116 | |
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| 117 | |
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| 118 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 119 | |
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| 120 | XrayFluoPrimaryGeneratorAction::~XrayFluoPrimaryGeneratorAction() |
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| 121 | { |
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| 122 | delete particleGun; |
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| 123 | delete gunMessenger; |
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| 124 | delete runManager; |
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| 125 | |
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| 126 | G4cout << "XrayFluoPrimaryGeneratorAction deleted" << G4endl; |
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| 127 | |
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| 128 | } |
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| 129 | |
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| 130 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 131 | |
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| 132 | void XrayFluoPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
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| 133 | { |
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| 134 | //this function is called at the begining of event |
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| 135 | // |
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| 136 | G4double z0 = -0.5*(XrayFluoDetector->GetWorldSizeZ()); |
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| 137 | G4double y0 = 0.*cm, x0 = 0.*cm; |
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| 138 | if (rndmFlag == "on") |
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| 139 | { |
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| 140 | y0 = (XrayFluoDetector->GetDia3SizeXY())/std::sqrt(2.)*(G4UniformRand()-0.5); // it was GetSampleSizeXY(), |
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| 141 | x0 = (XrayFluoDetector->GetDia3SizeXY())/std::sqrt(2.)*(G4UniformRand()-0.5); // not divided by std::sqrt(2.) |
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| 142 | } |
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| 143 | particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0)); |
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| 144 | |
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| 145 | //randomize starting point |
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| 146 | if (beam == "on") |
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| 147 | { |
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| 148 | G4double radius = 0.5 * mm; |
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| 149 | G4double rho = radius*std::sqrt(G4UniformRand()); |
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| 150 | G4double theta = 2*pi*G4UniformRand()*rad; |
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| 151 | G4double position = -0.5*(XrayFluoDetector->GetWorldSizeZ()); |
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| 152 | |
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| 153 | G4double y = rho * std::sin(theta); |
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| 154 | G4double x = rho * std::cos(theta); |
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| 155 | |
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| 156 | particleGun->SetParticlePosition(G4ThreeVector(x,y,position)); |
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| 157 | } |
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| 158 | //shoot particles according to a certain spectrum |
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| 159 | if (spectrum =="on") |
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| 160 | { |
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| 161 | G4String particle = particleGun->GetParticleDefinition() |
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| 162 | ->GetParticleName(); |
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| 163 | if(particle == "proton"|| particle == "alpha") |
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| 164 | { |
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| 165 | G4DataVector* energies = runManager->GetEnergies(); |
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| 166 | G4DataVector* data = runManager->GetData(); |
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| 167 | |
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| 168 | G4double sum = runManager->GetDataSum(); |
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| 169 | G4double partSum = 0; |
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| 170 | G4int j = 0; |
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| 171 | G4double random= sum*G4UniformRand(); |
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| 172 | while (partSum<random) |
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| 173 | { |
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| 174 | partSum += (*data)[j]; |
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| 175 | j++; |
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| 176 | } |
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| 177 | |
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| 178 | particleGun->SetParticleEnergy((*energies)[j]); |
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| 179 | |
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| 180 | } |
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| 181 | else if (particle == "gamma") |
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| 182 | { |
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| 183 | const XrayFluoDataSet* dataSet = runManager->GetGammaSet(); |
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| 184 | |
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| 185 | G4int i = 0; |
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| 186 | G4int id = 0; |
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| 187 | G4double minEnergy = 0. * keV; |
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| 188 | G4double particleEnergy= 0.; |
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| 189 | G4double maxEnergy = 10. * keV; |
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| 190 | G4double energyRange = maxEnergy - minEnergy; |
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| 191 | |
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| 192 | while ( i == 0) |
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| 193 | { |
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| 194 | G4double random = G4UniformRand(); |
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| 195 | |
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| 196 | G4double randomNum = G4UniformRand(); //*5.0E6; |
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| 197 | |
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| 198 | particleEnergy = (random*energyRange) + minEnergy; |
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| 199 | |
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| 200 | if ((dataSet->FindValue(particleEnergy,id)) > randomNum) |
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| 201 | { |
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| 202 | i = 1; |
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| 203 | |
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| 204 | } |
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| 205 | } |
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| 206 | particleGun->SetParticleEnergy(particleEnergy); |
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| 207 | } |
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| 208 | } |
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| 209 | |
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| 210 | // Randomize starting point and direction |
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| 211 | |
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| 212 | if (isoVert == "on") |
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| 213 | { |
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| 214 | G4double rho = 1. *m; |
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| 215 | //theta in [0;pi/2] |
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| 216 | G4double theta = (pi/2)*G4UniformRand(); |
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| 217 | //phi in [-pi;pi] |
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| 218 | G4double phi = (G4UniformRand()*2*pi)- pi; |
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| 219 | G4double x = rho*std::sin(theta)*std::sin(phi); |
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| 220 | G4double y = rho*std::sin(theta)*std::cos(phi); |
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| 221 | G4double z = -(rho*std::cos(theta)); |
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| 222 | particleGun->SetParticlePosition(G4ThreeVector(x,y,z)); |
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| 223 | |
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| 224 | G4double Xdim = XrayFluoDetector->GetSampleSizeXY(); |
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| 225 | G4double Ydim = XrayFluoDetector->GetSampleSizeXY(); |
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| 226 | |
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| 227 | G4double Dx = Xdim*(G4UniformRand()-0.5); |
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| 228 | |
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| 229 | G4double Dy = Ydim*(G4UniformRand()-0.5); |
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| 230 | |
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| 231 | particleGun->SetParticleMomentumDirection(G4ThreeVector(-x+Dx,-y+Dy,-z)); |
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| 232 | |
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| 233 | } |
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| 234 | |
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[1230] | 235 | // using prevoiously genereated emissions from sample..... |
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[807] | 236 | |
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| 237 | if (phaseSpaceGunFlag){ |
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| 238 | |
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| 239 | size_t i = anEvent->GetEventID(); |
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| 240 | |
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| 241 | particleGun->SetParticlePosition(detectorPosition); |
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| 242 | particleGun->SetParticleMomentumDirection(detectorPosition); |
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| 243 | G4double energy; |
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| 244 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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| 245 | G4ParticleDefinition* particle; |
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| 246 | if (i < particleEnergies->size()) { |
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| 247 | energy = (*particleEnergies)[i]; |
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| 248 | particle = particleTable->FindParticle((*particleTypes)[i]); |
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| 249 | } |
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| 250 | |
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| 251 | else { |
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| 252 | energy = 0.; |
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| 253 | particle = particleTable->FindParticle("gamma"); |
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| 254 | } |
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| 255 | |
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| 256 | particleGun->SetParticleEnergy(energy); |
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[1230] | 257 | particleGun->SetParticleDefinition(particle); |
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[807] | 258 | |
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| 259 | |
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| 260 | } |
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| 261 | |
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| 262 | #ifdef G4ANALYSIS_USE |
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| 263 | |
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| 264 | G4double partEnergy = particleGun->GetParticleEnergy(); |
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| 265 | XrayFluoAnalysisManager* analysis = XrayFluoAnalysisManager::getInstance(); |
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| 266 | analysis->analysePrimaryGenerator(partEnergy/keV); |
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| 267 | |
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| 268 | #endif |
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| 269 | |
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| 270 | particleGun->GeneratePrimaryVertex(anEvent); |
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| 271 | } |
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| 272 | |
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| 273 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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