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 | // $Id: G4AdjointPrimaryGenerator.cc,v 1.2 2009/11/18 17:57:59 gcosmo Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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28 | // |
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29 | ///////////////////////////////////////////////////////////////////////////// |
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30 | // Class Name: G4AdjointCrossSurfChecker |
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31 | // Author: L. Desorgher |
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32 | // Organisation: SpaceIT GmbH |
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33 | // Contract: ESA contract 21435/08/NL/AT |
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34 | // Customer: ESA/ESTEC |
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35 | ///////////////////////////////////////////////////////////////////////////// |
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36 | |
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37 | #include "G4AdjointPrimaryGenerator.hh" |
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38 | #include "G4Event.hh" |
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39 | #include "G4SingleParticleSource.hh" |
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40 | #include "G4ParticleDefinition.hh" |
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41 | #include "G4AdjointPosOnPhysVolGenerator.hh" |
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42 | |
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43 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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44 | // |
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45 | G4AdjointPrimaryGenerator::G4AdjointPrimaryGenerator() |
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46 | { |
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47 | theSingleParticleSource = new G4SingleParticleSource(); |
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48 | |
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49 | theSingleParticleSource->GetEneDist()->SetEnergyDisType("Pow"); |
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50 | theSingleParticleSource->GetEneDist()->SetAlpha(-1.); |
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51 | theSingleParticleSource->GetPosDist()->SetPosDisType("Point"); |
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52 | theSingleParticleSource->GetAngDist()->SetAngDistType("planar"); |
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53 | |
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54 | theG4AdjointPosOnPhysVolGenerator = G4AdjointPosOnPhysVolGenerator::GetInstance(); |
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55 | } |
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56 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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57 | // |
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58 | G4AdjointPrimaryGenerator::~G4AdjointPrimaryGenerator() |
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59 | { |
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60 | delete theSingleParticleSource; |
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61 | } |
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62 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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63 | // |
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64 | void G4AdjointPrimaryGenerator::GenerateAdjointPrimaryVertex(G4Event* anEvent,G4ParticleDefinition* adj_part,G4double E1,G4double E2) |
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65 | { |
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66 | if (type_of_adjoint_source == "ExternalSurfaceOfAVolume") { |
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67 | |
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68 | //Generate position and direction relative to the external surface of sensitive volume |
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69 | //------------------------------------------------------------- |
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70 | |
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71 | G4double costh_to_normal; |
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72 | G4ThreeVector pos,direction; |
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73 | theG4AdjointPosOnPhysVolGenerator->GenerateAPositionOnTheExtSurfaceOfThePhysicalVolume(pos, direction,costh_to_normal); |
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74 | if (costh_to_normal <1.e-4) costh_to_normal =1.e-4; |
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75 | theSingleParticleSource->GetAngDist()->SetParticleMomentumDirection(-direction); |
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76 | theSingleParticleSource->GetPosDist()->SetCentreCoords(pos); |
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77 | } |
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78 | |
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79 | theSingleParticleSource->GetEneDist()->SetEmin(E1); |
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80 | theSingleParticleSource->GetEneDist()->SetEmax(E2); |
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81 | |
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82 | theSingleParticleSource->SetParticleDefinition(adj_part); |
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83 | theSingleParticleSource->GeneratePrimaryVertex(anEvent); |
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84 | } |
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85 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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86 | // |
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87 | void G4AdjointPrimaryGenerator::SetSphericalAdjointPrimarySource(G4double radius, G4ThreeVector center_pos) |
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88 | { |
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89 | radius_spherical_source = radius; |
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90 | center_spherical_source = center_pos; |
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91 | type_of_adjoint_source ="Spherical"; |
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92 | theSingleParticleSource->GetPosDist()->SetPosDisType("Surface"); |
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93 | theSingleParticleSource->GetPosDist()->SetPosDisShape("Sphere"); |
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94 | theSingleParticleSource->GetPosDist()->SetCentreCoords(center_pos); |
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95 | theSingleParticleSource->GetPosDist()->SetRadius(radius); |
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96 | theSingleParticleSource->GetAngDist()->SetAngDistType("cos"); |
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97 | theSingleParticleSource->GetAngDist()->SetMaxTheta(pi); |
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98 | theSingleParticleSource->GetAngDist()->SetMinTheta(halfpi); |
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99 | } |
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100 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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101 | // |
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102 | void G4AdjointPrimaryGenerator::SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(const G4String& volume_name) |
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103 | { |
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104 | theG4AdjointPosOnPhysVolGenerator->DefinePhysicalVolume1(volume_name); |
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105 | type_of_adjoint_source ="ExternalSurfaceOfAVolume"; |
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106 | theSingleParticleSource->GetPosDist()->SetPosDisType("Point"); |
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107 | theSingleParticleSource->GetAngDist()->SetAngDistType("planar"); |
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108 | } |
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109 | |
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