[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: XrayFluoPlanePrimaryGeneratorAction.cc |
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| 28 | // GEANT4 tag $Name: |
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| 29 | // |
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| 30 | // Author: Alfonso Mantero (Alfonso.Mantero@ge.infn.it) |
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| 31 | // |
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| 32 | // History: |
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| 33 | // ----------- |
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| 34 | // 02 Sep 2003 Alfonso Mantero created |
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| 35 | // |
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| 36 | // ------------------------------------------------------------------- |
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| 37 | |
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| 38 | #include "XrayFluoPlanePrimaryGeneratorAction.hh" |
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| 39 | #include "G4DataVector.hh" |
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| 40 | #include "XrayFluoPlaneDetectorConstruction.hh" |
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| 41 | #include "XrayFluoPlanePrimaryGeneratorMessenger.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 | |
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| 51 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 52 | |
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| 53 | XrayFluoPlanePrimaryGeneratorAction::XrayFluoPlanePrimaryGeneratorAction(XrayFluoPlaneDetectorConstruction* XrayFluoDC) |
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| 54 | :rndmFlag("on"),beam("off"),spectrum("off"),isoVert("off") |
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| 55 | { |
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| 56 | |
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| 57 | XrayFluoDetector = XrayFluoDC; |
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| 58 | |
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| 59 | G4int n_particle = 1; |
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| 60 | particleGun = new G4ParticleGun(n_particle); |
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| 61 | |
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| 62 | //create a messenger for this class |
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| 63 | gunMessenger = new XrayFluoPlanePrimaryGeneratorMessenger(this); |
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| 64 | runManager = new XrayFluoRunAction(); |
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| 65 | |
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| 66 | // default particle kinematic |
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| 67 | |
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| 68 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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| 69 | G4String particleName; |
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| 70 | G4ParticleDefinition* particle |
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| 71 | = particleTable->FindParticle(particleName="gamma"); |
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| 72 | particleGun->SetParticleDefinition(particle); |
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| 73 | particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.)); |
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| 74 | |
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| 75 | |
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| 76 | particleGun->SetParticleEnergy(10.*keV); |
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| 77 | G4double position = -0.5*(XrayFluoDetector->GetWorldSizeZ()); |
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| 78 | particleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,position)); |
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| 79 | |
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| 80 | G4cout << "XrayFluoPlanePrimaryGeneratorAction created UUUUUUUUUUAAAAAAAAAAAAAAAAAAAAAAAaa" << G4endl; |
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| 81 | |
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| 82 | } |
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| 83 | |
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| 84 | |
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| 85 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 86 | |
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| 87 | XrayFluoPlanePrimaryGeneratorAction::~XrayFluoPlanePrimaryGeneratorAction() |
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| 88 | { |
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| 89 | delete particleGun; |
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| 90 | delete gunMessenger; |
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| 91 | delete runManager; |
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| 92 | |
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| 93 | G4cout << "XrayFluoPlanePrimaryGeneratorAction deleted" << G4endl; |
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| 94 | |
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| 95 | } |
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| 96 | |
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| 97 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 98 | |
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| 99 | void XrayFluoPlanePrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
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| 100 | { |
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| 101 | //this function is called at the begining of event |
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| 102 | // |
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| 103 | G4double z0 = -0.5*(XrayFluoDetector->GetWorldSizeZ()); |
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| 104 | G4double y0 = 0.*m, x0 = 0.*m; |
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| 105 | G4double dX = 0.5*(XrayFluoDetector->GetWorldSizeXY())-(XrayFluoDetector->GetPlaneSizeXY()); |
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| 106 | if (rndmFlag == "on") |
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| 107 | |
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| 108 | {y0 = (XrayFluoDetector->GetPlaneSizeXY())*(G4UniformRand()-0.5); |
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| 109 | x0 = (XrayFluoDetector->GetPlaneSizeXY())*(G4UniformRand()-0.5) + dX; |
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| 110 | } |
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| 111 | |
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| 112 | z0 = -1 * dX; |
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| 113 | |
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| 114 | particleGun->SetParticleMomentumDirection(G4ThreeVector(-1.,0.,1.)); |
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| 115 | |
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| 116 | particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0)); |
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| 117 | |
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| 118 | //randomize starting point |
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| 119 | if (beam == "on") |
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| 120 | { |
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| 121 | G4double radius = 0.5 * mm; |
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| 122 | G4double rho = radius*std::sqrt(G4UniformRand()); |
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| 123 | G4double theta = 2*pi*G4UniformRand()*rad; |
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| 124 | G4double position = -0.5*(XrayFluoDetector->GetWorldSizeZ()); |
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| 125 | |
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| 126 | G4double y = rho * std::sin(theta); |
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| 127 | G4double x = rho * std::cos(theta); |
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| 128 | |
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| 129 | particleGun->SetParticlePosition(G4ThreeVector(x,y,position)); |
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| 130 | } |
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| 131 | //shoot particles according to a certain spectrum |
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| 132 | if (spectrum =="on") |
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| 133 | { |
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| 134 | G4String particle = particleGun->GetParticleDefinition() |
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| 135 | ->GetParticleName(); |
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| 136 | if(particle == "proton"|| particle == "alpha") |
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| 137 | { |
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| 138 | G4DataVector* energies = runManager->GetEnergies(); |
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| 139 | G4DataVector* data = runManager->GetData(); |
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| 140 | |
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| 141 | G4double sum = runManager->GetDataSum(); |
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| 142 | G4double partSum = 0; |
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| 143 | G4int j = 0; |
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| 144 | G4double random= sum*G4UniformRand(); |
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| 145 | while (partSum<random) |
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| 146 | { |
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| 147 | partSum += (*data)[j]; |
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| 148 | j++; |
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| 149 | } |
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| 150 | |
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| 151 | particleGun->SetParticleEnergy((*energies)[j]); |
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| 152 | |
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| 153 | } |
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| 154 | else if (particle == "gamma") |
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| 155 | { |
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| 156 | const XrayFluoDataSet* dataSet = runManager->GetGammaSet(); |
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| 157 | |
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| 158 | G4int i = 0; |
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| 159 | G4int id = 0; |
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| 160 | G4double minEnergy = 0. * keV; |
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| 161 | G4double particleEnergy= 0.; |
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| 162 | G4double maxEnergy = 10. * keV; |
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| 163 | G4double energyRange = maxEnergy - minEnergy; |
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| 164 | |
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| 165 | while ( i == 0) |
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| 166 | { |
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| 167 | G4double random = G4UniformRand(); |
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| 168 | |
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| 169 | G4double randomNum = G4UniformRand(); //*5.0E6; |
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| 170 | |
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| 171 | particleEnergy = (random*energyRange) + minEnergy; |
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| 172 | |
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| 173 | if ((dataSet->FindValue(particleEnergy,id)) > randomNum) |
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| 174 | { |
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| 175 | i = 1; |
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| 176 | |
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| 177 | } |
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| 178 | } |
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| 179 | particleGun->SetParticleEnergy(particleEnergy); |
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| 180 | } |
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| 181 | } |
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| 182 | |
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| 183 | if (isoVert == "on") |
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| 184 | { |
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| 185 | G4double rho = 1. *m; |
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| 186 | //theta in [0;pi/2] |
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| 187 | G4double theta = (pi/2)*G4UniformRand(); |
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| 188 | //phi in [-pi;pi] |
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| 189 | G4double phi = (G4UniformRand()*2*pi)- pi; |
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| 190 | G4double x = rho*std::sin(theta)*std::sin(phi); |
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| 191 | G4double y = rho*std::sin(theta)*std::cos(phi); |
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| 192 | G4double z = -(rho*std::cos(theta)); |
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| 193 | particleGun->SetParticlePosition(G4ThreeVector(x,y,z)); |
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| 194 | |
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| 195 | G4double Xdim = XrayFluoDetector->GetPlaneSizeXY(); |
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| 196 | G4double Ydim = XrayFluoDetector->GetPlaneSizeXY(); |
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| 197 | |
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| 198 | G4double Dx = Xdim*(G4UniformRand()-0.5); |
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| 199 | |
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| 200 | G4double Dy = Ydim*(G4UniformRand()-0.5); |
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| 201 | |
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| 202 | particleGun->SetParticleMomentumDirection(G4ThreeVector(-x+Dx,-y+Dy,-z)); |
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| 203 | |
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| 204 | } |
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| 205 | #ifdef G4ANALYSIS_USE |
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| 206 | |
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| 207 | G4double partEnergy = particleGun->GetParticleEnergy(); |
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| 208 | XrayFluoAnalysisManager* analysis = XrayFluoAnalysisManager::getInstance(); |
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| 209 | analysis->analysePrimaryGenerator(partEnergy/keV); |
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| 210 | |
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| 211 | #endif |
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| 212 | |
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| 213 | particleGun->GeneratePrimaryVertex(anEvent); |
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| 214 | } |
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| 215 | |
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| 216 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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