Gabriele Cosmo
132 lines
5.2 KiB
C++
132 lines
5.2 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id$
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//
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/////////////////////////////////////////////////////////////////////////////
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// Class Name: G4AdjointSteppingAction
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// Author: L. Desorgher
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// Organisation: SpaceIT GmbH
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// Contract: ESA contract 21435/08/NL/AT
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// Customer: ESA/ESTEC
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/////////////////////////////////////////////////////////////////////////////
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#include "G4AdjointSteppingAction.hh"
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#include "G4Track.hh"
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#include "G4PhysicalVolumeStore.hh"
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#include "G4AffineTransform.hh"
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#include "G4AdjointCrossSurfChecker.hh"
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////////////////////////////////////////////////////////////////////////////////////////////////
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//
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G4AdjointSteppingAction::G4AdjointSteppingAction()
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: ext_sourceEMax(0.), start_event(false),
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did_adj_part_reach_ext_source(false), last_ekin(0.), last_weight(0.),
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prim_weight(0.), last_part_def(0), theUserAdjointSteppingAction(0)
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{
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theG4AdjointCrossSurfChecker = G4AdjointCrossSurfChecker::GetInstance();
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//
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G4AdjointSteppingAction::~G4AdjointSteppingAction()
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{;}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//
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void G4AdjointSteppingAction::UserSteppingAction(const G4Step* aStep)
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{
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//Apply first the user adjoint stepping action
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//---------------------------
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if (theUserAdjointSteppingAction) theUserAdjointSteppingAction->UserSteppingAction(aStep);
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G4Track* aTrack =aStep->GetTrack();
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G4double nb_nuc=1.;
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G4ParticleDefinition* thePartDef = aTrack->GetDefinition();
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if (thePartDef->GetParticleType() == "adjoint_nucleus"){
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nb_nuc=double(thePartDef->GetBaryonNumber());
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}
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//Kill conditions for adjoint particles reaching the maximum energy
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//-----------------------------------------------------------------
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if(aTrack->GetKineticEnergy() >= ext_sourceEMax*nb_nuc){
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aTrack->SetTrackStatus(fStopAndKill);
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did_adj_part_reach_ext_source=false;
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return;
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}
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G4double weight_factor = aTrack->GetWeight()/prim_weight;
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if ( (weight_factor>0 && weight_factor<=0) || weight_factor<= 1e-290 || weight_factor>1.e200)
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{
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//std::cout<<"Weight_factor problem! Value = "<<weight_factor<<std::endl;
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aTrack->SetTrackStatus(fStopAndKill);
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did_adj_part_reach_ext_source=false;
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return;
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}
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//Kill conditions for surface crossing
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//--------------------------------------
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G4String surface_name;
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G4double cos_to_surface;
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G4bool GoingIn;
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G4ThreeVector crossing_pos;
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if (theG4AdjointCrossSurfChecker->CrossingOneOfTheRegisteredSurface(aStep, surface_name, crossing_pos, cos_to_surface, GoingIn) ){
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//G4cout<<"Test_step11"<<std::endl;
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//G4cout<<surface_name<<std::endl;
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if (surface_name == "ExternalSource") {
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//Registering still needed
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did_adj_part_reach_ext_source=true;
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aTrack->SetTrackStatus(fStopAndKill);
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//now register the adjoint particles reaching the external surface
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last_momentum =aTrack->GetMomentum();
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last_ekin=aTrack->GetKineticEnergy();
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last_weight = aTrack->GetWeight();
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last_part_def = aTrack->GetDefinition();
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last_pos = crossing_pos;
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return;
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}
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else if (surface_name == "AdjointSource" && GoingIn) {
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did_adj_part_reach_ext_source=false;
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aTrack->SetTrackStatus(fStopAndKill);
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return;
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}
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}
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//Check for reaching out of world
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if (aStep->GetPostStepPoint()->GetStepStatus() == fWorldBoundary) {
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did_adj_part_reach_ext_source=true;
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last_momentum =aTrack->GetMomentum();
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last_ekin=aTrack->GetKineticEnergy();
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last_weight = aTrack->GetWeight();
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last_part_def = aTrack->GetDefinition();
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last_pos = crossing_pos;
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return;
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}
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}
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