[1197] | 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: G4AdjointPrimaryGeneratorAction.cc,v 1.2 2009/11/18 18:02:06 gcosmo Exp $ |
---|
| 27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
---|
| 28 | // |
---|
| 29 | ///////////////////////////////////////////////////////////////////////////// |
---|
| 30 | // Class Name: G4AdjointCrossSurfChecker |
---|
| 31 | // Author: L. Desorgher |
---|
| 32 | // Organisation: SpaceIT GmbH |
---|
| 33 | // Contract: ESA contract 21435/08/NL/AT |
---|
| 34 | // Customer: ESA/ESTEC |
---|
| 35 | ///////////////////////////////////////////////////////////////////////////// |
---|
| 36 | |
---|
| 37 | #include "G4AdjointPrimaryGeneratorAction.hh" |
---|
| 38 | #include "G4Event.hh" |
---|
| 39 | #include "G4ParticleTable.hh" |
---|
| 40 | #include "G4ParticleDefinition.hh" |
---|
| 41 | #include "G4ParticleTable.hh" |
---|
| 42 | #include "G4AdjointSimManager.hh" |
---|
| 43 | #include "G4AdjointPrimaryGenerator.hh" |
---|
| 44 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 45 | // |
---|
| 46 | G4AdjointPrimaryGeneratorAction::G4AdjointPrimaryGeneratorAction() |
---|
| 47 | { |
---|
| 48 | theAdjointPrimaryGenerator= new G4AdjointPrimaryGenerator(); |
---|
| 49 | |
---|
| 50 | PrimariesConsideredInAdjointSim[G4String("e-")]=false; |
---|
| 51 | PrimariesConsideredInAdjointSim[G4String("gamma")]=false; |
---|
| 52 | PrimariesConsideredInAdjointSim[G4String("proton")]=false; |
---|
| 53 | PrimariesConsideredInAdjointSim[G4String("ion")]=false; |
---|
| 54 | |
---|
| 55 | ListOfPrimaryFwdParticles.clear(); |
---|
| 56 | ListOfPrimaryAdjParticles.clear(); |
---|
| 57 | |
---|
| 58 | last_generated_part_was_adjoint=false; |
---|
| 59 | index_particle=100000; |
---|
| 60 | |
---|
| 61 | ion_name="not_defined"; |
---|
| 62 | fwd_ion = 0; |
---|
| 63 | adj_ion = 0; |
---|
| 64 | } |
---|
| 65 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 66 | // |
---|
| 67 | G4AdjointPrimaryGeneratorAction::~G4AdjointPrimaryGeneratorAction() |
---|
| 68 | { |
---|
| 69 | delete theAdjointPrimaryGenerator; |
---|
| 70 | } |
---|
| 71 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 72 | // |
---|
| 73 | void G4AdjointPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
---|
| 74 | { |
---|
| 75 | if ( !last_generated_part_was_adjoint ) { |
---|
| 76 | |
---|
| 77 | index_particle++; |
---|
| 78 | if (index_particle >= ListOfPrimaryAdjParticles.size()) index_particle =0; |
---|
| 79 | |
---|
| 80 | |
---|
| 81 | G4double E1=Emin; |
---|
| 82 | G4double E2=Emax; |
---|
| 83 | if (!ListOfPrimaryAdjParticles[index_particle]) UpdateListOfPrimaryParticles();//ion has not been created yet |
---|
| 84 | |
---|
| 85 | if (ListOfPrimaryAdjParticles[index_particle]->GetParticleName() == "adj_proton") { |
---|
| 86 | E1=EminIon; |
---|
| 87 | E2=EmaxIon; |
---|
| 88 | } |
---|
| 89 | if (ListOfPrimaryAdjParticles[index_particle]->GetParticleType() == "adjoint_nucleus") { |
---|
| 90 | G4int A= ListOfPrimaryAdjParticles[index_particle]->GetAtomicMass(); |
---|
| 91 | E1=EminIon*A; |
---|
| 92 | E2=EmaxIon*A; |
---|
| 93 | } |
---|
| 94 | theAdjointPrimaryGenerator->GenerateAdjointPrimaryVertex(anEvent, |
---|
| 95 | ListOfPrimaryAdjParticles[index_particle], |
---|
| 96 | E1,E2); |
---|
| 97 | G4PrimaryVertex* aPrimVertex = anEvent->GetPrimaryVertex(); |
---|
| 98 | |
---|
| 99 | |
---|
| 100 | p=aPrimVertex->GetPrimary()->GetMomentum(); |
---|
| 101 | pos=aPrimVertex->GetPosition(); |
---|
| 102 | G4double pmag=p.mag(); |
---|
| 103 | |
---|
| 104 | G4double m0=ListOfPrimaryAdjParticles[index_particle]->GetPDGMass(); |
---|
| 105 | G4double ekin=std::sqrt( m0*m0 + pmag*pmag) -m0; |
---|
| 106 | |
---|
| 107 | |
---|
| 108 | //The factor pi is to normalise the weight to the directional flux |
---|
| 109 | G4double adjoint_source_area = G4AdjointSimManager::GetInstance()->GetAdjointSourceArea(); |
---|
| 110 | G4double adjoint_weight = ComputeEnergyDistWeight(ekin,E1,E2)*adjoint_source_area*pi; |
---|
| 111 | |
---|
| 112 | aPrimVertex->SetWeight(adjoint_weight); |
---|
| 113 | |
---|
| 114 | last_generated_part_was_adjoint =true; |
---|
| 115 | G4AdjointSimManager::GetInstance()->SetAdjointTrackingMode(true); |
---|
| 116 | G4AdjointSimManager::GetInstance()->RegisterAdjointPrimaryWeight(adjoint_weight); |
---|
| 117 | } |
---|
| 118 | else { |
---|
| 119 | //fwd particle equivalent to the last generated adjoint particle ios generated |
---|
| 120 | G4PrimaryVertex* aPrimVertex = new G4PrimaryVertex(); |
---|
| 121 | aPrimVertex->SetPosition(pos.x(),pos.y(),pos.z()); |
---|
| 122 | aPrimVertex->SetT0(0.); |
---|
| 123 | G4PrimaryParticle* aPrimParticle = new G4PrimaryParticle(ListOfPrimaryFwdParticles[index_particle], |
---|
| 124 | -p.x(),-p.y(),-p.z()); |
---|
| 125 | |
---|
| 126 | aPrimVertex->SetPrimary(aPrimParticle); |
---|
| 127 | anEvent->AddPrimaryVertex(aPrimVertex); |
---|
| 128 | last_generated_part_was_adjoint =false; |
---|
| 129 | G4AdjointSimManager::GetInstance()->SetAdjointTrackingMode(false); |
---|
| 130 | } |
---|
| 131 | } |
---|
| 132 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 133 | // |
---|
| 134 | void G4AdjointPrimaryGeneratorAction::SetEmin(G4double val) |
---|
| 135 | { |
---|
| 136 | Emin=val; |
---|
| 137 | EminIon=val; |
---|
| 138 | } |
---|
| 139 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 140 | // |
---|
| 141 | void G4AdjointPrimaryGeneratorAction::SetEmax(G4double val) |
---|
| 142 | { |
---|
| 143 | Emax=val; |
---|
| 144 | EmaxIon=val; |
---|
| 145 | } |
---|
| 146 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 147 | // |
---|
| 148 | void G4AdjointPrimaryGeneratorAction::SetEminIon(G4double val) |
---|
| 149 | { |
---|
| 150 | EminIon=val; |
---|
| 151 | } |
---|
| 152 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 153 | // |
---|
| 154 | void G4AdjointPrimaryGeneratorAction::SetEmaxIon(G4double val) |
---|
| 155 | { |
---|
| 156 | EmaxIon=val; |
---|
| 157 | } |
---|
| 158 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 159 | // |
---|
| 160 | G4double G4AdjointPrimaryGeneratorAction::ComputeEnergyDistWeight(G4double E ,G4double E1, G4double E2) |
---|
| 161 | { |
---|
| 162 | // We generate N numbers of primaries with a 1/E energy law distribution. |
---|
| 163 | // We have therefore an energy distribution function |
---|
| 164 | // f(E)=C/E (1) |
---|
| 165 | // with C a constant that is such that |
---|
| 166 | // N=Integral(f(E),E1,E2)=C.std::log(E2/E1) (2) |
---|
| 167 | // Therefore from (2) we get |
---|
| 168 | // C=N/ std::log(E2/E1) (3) |
---|
| 169 | // and |
---|
| 170 | // f(E)=N/ std::log(E2/E1)/E (4) |
---|
| 171 | //For the adjoint simulation we need a energy distribution f'(E)=1.. |
---|
| 172 | //To get that we need therefore to apply a weight to the primary |
---|
| 173 | // W=1/f(E)=E*std::log(E2/E1)/N |
---|
| 174 | // |
---|
| 175 | return std::log(E2/E1)*E/G4AdjointSimManager::GetInstance()->GetNbEvtOfLastRun(); |
---|
| 176 | |
---|
| 177 | } |
---|
| 178 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 179 | // |
---|
| 180 | void G4AdjointPrimaryGeneratorAction::SetSphericalAdjointPrimarySource(G4double radius, G4ThreeVector center_pos) |
---|
| 181 | { |
---|
| 182 | radius_spherical_source = radius; |
---|
| 183 | center_spherical_source = center_pos; |
---|
| 184 | type_of_adjoint_source ="Spherical"; |
---|
| 185 | theAdjointPrimaryGenerator->SetSphericalAdjointPrimarySource(radius,center_pos); |
---|
| 186 | } |
---|
| 187 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 188 | // |
---|
| 189 | void G4AdjointPrimaryGeneratorAction::SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(const G4String& volume_name) |
---|
| 190 | { |
---|
| 191 | type_of_adjoint_source ="ExternalSurfaceOfAVolume"; |
---|
| 192 | theAdjointPrimaryGenerator->SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(volume_name); |
---|
| 193 | } |
---|
| 194 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 195 | // |
---|
| 196 | void G4AdjointPrimaryGeneratorAction::ConsiderParticleAsPrimary(const G4String& particle_name) |
---|
| 197 | { |
---|
| 198 | if (PrimariesConsideredInAdjointSim.find(particle_name) != PrimariesConsideredInAdjointSim.end()){ |
---|
| 199 | PrimariesConsideredInAdjointSim[particle_name]=true; |
---|
| 200 | } |
---|
| 201 | UpdateListOfPrimaryParticles(); |
---|
| 202 | } |
---|
| 203 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 204 | // |
---|
| 205 | void G4AdjointPrimaryGeneratorAction::NeglectParticleAsPrimary(const G4String& particle_name) |
---|
| 206 | { |
---|
| 207 | if (PrimariesConsideredInAdjointSim.find(particle_name) != PrimariesConsideredInAdjointSim.end()){ |
---|
| 208 | PrimariesConsideredInAdjointSim[particle_name]= false; |
---|
| 209 | } |
---|
| 210 | UpdateListOfPrimaryParticles(); |
---|
| 211 | } |
---|
| 212 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 213 | // |
---|
| 214 | void G4AdjointPrimaryGeneratorAction::UpdateListOfPrimaryParticles() |
---|
| 215 | { |
---|
| 216 | G4ParticleTable* theParticleTable = G4ParticleTable::GetParticleTable(); |
---|
| 217 | ListOfPrimaryFwdParticles.clear(); |
---|
| 218 | ListOfPrimaryAdjParticles.clear(); |
---|
| 219 | std::map<G4String, G4bool>::iterator iter; |
---|
| 220 | for( iter = PrimariesConsideredInAdjointSim.begin(); iter != PrimariesConsideredInAdjointSim.end(); ++iter ) { |
---|
| 221 | if(iter->second) { |
---|
| 222 | G4String fwd_particle_name = iter->first; |
---|
| 223 | if ( fwd_particle_name != "ion") { |
---|
| 224 | G4String adj_particle_name = G4String("adj_") + fwd_particle_name; |
---|
| 225 | ListOfPrimaryFwdParticles.push_back(theParticleTable->FindParticle(fwd_particle_name)); |
---|
| 226 | ListOfPrimaryAdjParticles.push_back(theParticleTable->FindParticle(adj_particle_name)); |
---|
| 227 | } |
---|
| 228 | else { |
---|
| 229 | if (fwd_ion ){ |
---|
| 230 | ion_name=fwd_ion->GetParticleName(); |
---|
| 231 | G4String adj_ion_name=G4String("adj_") +ion_name; |
---|
| 232 | ListOfPrimaryFwdParticles.push_back(fwd_ion); |
---|
| 233 | ListOfPrimaryAdjParticles.push_back(adj_ion); |
---|
| 234 | } |
---|
| 235 | else { |
---|
| 236 | ListOfPrimaryFwdParticles.push_back(0); |
---|
| 237 | ListOfPrimaryAdjParticles.push_back(0); |
---|
| 238 | |
---|
| 239 | } |
---|
| 240 | } |
---|
| 241 | } |
---|
| 242 | } |
---|
| 243 | } |
---|
| 244 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
---|
| 245 | // |
---|
| 246 | void G4AdjointPrimaryGeneratorAction::SetPrimaryIon(G4ParticleDefinition* adjointIon, G4ParticleDefinition* fwdIon) |
---|
| 247 | { |
---|
| 248 | fwd_ion = fwdIon; |
---|
| 249 | adj_ion = adjointIon; |
---|
| 250 | UpdateListOfPrimaryParticles(); |
---|
| 251 | } |
---|
| 252 | |
---|