G4AdjointSimManager.cc

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//
// $Id: G4AdjointSimManager.cc 86968 2014-11-21 11:52:04Z gcosmo $
//
//      Class Name:     G4AdjointCrossSurfChecker
//      Author:         L. Desorgher
//      Organisation:   SpaceIT GmbH
//      Contract:       ESA contract 21435/08/NL/AT
//      Customer:       ESA/ESTEC

#include "G4AdjointSimManager.hh"
#include "G4Run.hh"
#include "G4RunManager.hh"

#include "G4UserEventAction.hh"
#include "G4VUserPrimaryGeneratorAction.hh"
#include "G4UserTrackingAction.hh"
#include "G4UserSteppingAction.hh"
#include "G4UserStackingAction.hh"
#include "G4UserRunAction.hh"

#include "G4AdjointPrimaryGeneratorAction.hh"
#include "G4AdjointSteppingAction.hh"
#include "G4AdjointStackingAction.hh"
#include "G4AdjointTrackingAction.hh"

#include "G4AdjointSimMessenger.hh"

#include "G4AdjointCrossSurfChecker.hh"

#include "G4ParticleTable.hh"
#include "G4PhysicsLogVector.hh"
/*
#ifdef G4MULTITHREADED
#include "G4MTAdjointSimManager.hh"
#endif
*/

//
G4ThreadLocal G4AdjointSimManager* G4AdjointSimManager::instance = 0;

//
G4AdjointSimManager::G4AdjointSimManager():
   fUserRunAction(0), fUserEventAction(0),fUserPrimaryGeneratorAction(0),
   fUserTrackingAction(0), fUserSteppingAction(0), fUserStackingAction(0),
   theAdjointRunAction(0), theAdjointEventAction(0),
   adjoint_tracking_mode(false),last_ekin(0),last_ekin_nuc(0),
   last_cos_th(0),last_fwd_part_PDGEncoding(0),last_fwd_part_index(0),
   last_weight(0), ID_of_last_particle_that_reach_the_ext_source(0),
   nb_evt_of_last_run(0),area_of_the_adjoint_source(0),theAdjointPrimaryWeight(0)
{ 
 //Create adjoint actions;
 //----------------------
 theAdjointPrimaryGeneratorAction = new G4AdjointPrimaryGeneratorAction(); 
 theAdjointSteppingAction = new G4AdjointSteppingAction();
 theAdjointStackingAction = new G4AdjointStackingAction();
 theAdjointTrackingAction = new G4AdjointTrackingAction(theAdjointSteppingAction);
 theAdjointTrackingAction->SetListOfPrimaryFwdParticles(
 theAdjointPrimaryGeneratorAction->GetListOfPrimaryFwdParticles());
 //Create messenger
 //----------------
  theMessenger = new G4AdjointSimMessenger(this);
  
  user_action_already_defined=false;
  use_user_StackingAction = false; 
  use_user_TrackingAction =true;

  adjoint_sim_mode = false;
  
  normalisation_mode=3;
  
  nb_nuc=1.;
  
  welcome_message =true;
  
  //Define user action and set this class instance  as RunAction
  //----------------
  DefineUserActions();
  G4RunManager* theRunManager = G4RunManager::GetRunManager();

  theRunManager->G4RunManager::SetUserAction(this);
/*
#ifdef G4MULTITHREADED

 if (theRunManager->GetRunManagerType() == G4RunManager::workerRM){
     G4cout<<"Here"<<std::endl;
     //G4MTAdjointSimManager::GetInstance()->RegisterLocalManager(this);
     G4cout<<"Here1"<<std::endl;
 }
#endif
*/
}
//
G4AdjointSimManager::~G4AdjointSimManager()
{ 
  if (theAdjointRunAction) delete theAdjointRunAction;
  if (theAdjointPrimaryGeneratorAction) delete theAdjointPrimaryGeneratorAction;
  if (theAdjointSteppingAction) delete theAdjointSteppingAction;
  if (theAdjointEventAction) delete theAdjointEventAction;
  if (theAdjointTrackingAction) delete theAdjointTrackingAction;
  if (theAdjointStackingAction) delete theAdjointStackingAction;
  if (theMessenger) delete theMessenger;
}
//
G4AdjointSimManager* G4AdjointSimManager::GetInstance()
{
  if (instance == 0) instance = new G4AdjointSimManager;
  return instance;
}
//
void G4AdjointSimManager::RunAdjointSimulation(G4int nb_evt)
{ if (G4RunManager::GetRunManager()->GetRunManagerType() != G4RunManager::sequentialRM) return; //only for sequential mode
  if (welcome_message) {
        G4cout<<"****************************************************************"<<std::endl;
        G4cout<<"*** Geant4 Reverse/Adjoint Monte Carlo mode                  ***"<<std::endl;
        G4cout<<"*** Author:    L.Desorgher                                   ***"<<std::endl;
        G4cout<<"*** Company:   SpaceIT GmbH, Bern, Switzerland               ***"<<std::endl;
        G4cout<<"*** Sponsored by: ESA/ESTEC contract contract 21435/08/NL/AT ***"<<std::endl;  
        G4cout<<"****************************************************************"<<std::endl;
        welcome_message=false;
  }     
  
  //Switch to adjoint simulation mode
  //---------------------------------------------------------
  SwitchToAdjointSimulationMode();
  
  //Make the run
  //------------
  
  nb_evt_of_last_run =nb_evt;
  G4RunManager::GetRunManager()->BeamOn(nb_evt*theAdjointPrimaryGeneratorAction->GetNbOfAdjointPrimaryTypes());
  //G4RunManager::GetRunManager()->BeamOn(theAdjointPrimaryGeneratorAction->GetNbOfAdjointPrimaryTypes()*2*nb_evt);

  //Back to Fwd Simulation Mode
  //--------------------------------
  BackToFwdSimulationMode();

  /*
  //Register the weight vector
  //--------------------------
  std::ofstream FileOutputElectronWeight("ElectronWeight.txt", std::ios::out);
  FileOutputElectronWeight<<std::setiosflags(std::ios::scientific);
  FileOutputElectronWeight<<std::setprecision(6);
  G4bool aBool = electron_last_weight_vector->Store(FileOutputElectronWeight, true);
  FileOutputElectronWeight.close();
  
  std::ofstream FileOutputProtonWeight("ProtonWeight.txt", std::ios::out);
  FileOutputProtonWeight<<std::setiosflags(std::ios::scientific);
  FileOutputProtonWeight<<std::setprecision(6);
  aBool = proton_last_weight_vector->Store(FileOutputProtonWeight, true);
  FileOutputProtonWeight.close();
  
  std::ofstream FileOutputGammaWeight("GammaWeight.txt", std::ios::out);
  FileOutputGammaWeight<<std::setiosflags(std::ios::scientific);
  FileOutputGammaWeight<<std::setprecision(6);
  aBool = gamma_last_weight_vector->Store(FileOutputGammaWeight, true);
  FileOutputGammaWeight.close();
  */  
}
//
void G4AdjointSimManager::SetRestOfAdjointActions()
{
  G4RunManager* theRunManager =  G4RunManager::GetRunManager();

  if (!user_action_already_defined) DefineUserActions();

 //Replace the user action by the adjoint actions
 //-------------------------------------------------

  theRunManager->G4RunManager::SetUserAction(theAdjointEventAction);
  theRunManager->G4RunManager::SetUserAction(theAdjointSteppingAction);
  theRunManager->G4RunManager::SetUserAction(theAdjointTrackingAction);

}
//
void G4AdjointSimManager::SwitchToAdjointSimulationMode()
{ //Replace the user defined actions by the adjoint actions
  //---------------------------------------------------------
  SetAdjointActions();

  //Update the list of primaries
  //-----------------------------
  theAdjointPrimaryGeneratorAction->UpdateListOfPrimaryParticles();
  adjoint_sim_mode=true;
  ID_of_last_particle_that_reach_the_ext_source=0;
}
//
void G4AdjointSimManager::BackToFwdSimulationMode()
{  //Restore the user defined actions
   //--------------------------------
   ResetUserActions();
   adjoint_sim_mode=false;
}

//
void G4AdjointSimManager::SetAdjointActions()
{  
  G4RunManager* theRunManager =  G4RunManager::GetRunManager();
  
  if (!user_action_already_defined) DefineUserActions();

 //Replace the user action by the adjoint actions
 //------------------------------------------------- 
  
  theRunManager->G4RunManager::SetUserAction(theAdjointPrimaryGeneratorAction);
  theRunManager->G4RunManager::SetUserAction(theAdjointStackingAction);
  if (use_user_StackingAction)  theAdjointStackingAction->SetUserFwdStackingAction(fUserStackingAction);
  else theAdjointStackingAction->SetUserFwdStackingAction(0);
  theRunManager->G4RunManager::SetUserAction(theAdjointEventAction);
  theRunManager->G4RunManager::SetUserAction(theAdjointSteppingAction);
  theRunManager->G4RunManager::SetUserAction(theAdjointTrackingAction);
  if (use_user_TrackingAction)  theAdjointTrackingAction->SetUserForwardTrackingAction(fUserTrackingAction);
  else theAdjointTrackingAction->SetUserForwardTrackingAction(0);
}
//
void G4AdjointSimManager::SetAdjointPrimaryRunAndStackingActions()
{  
  G4RunManager* theRunManager =  G4RunManager::GetRunManager();
  
  if (!user_action_already_defined) DefineUserActions();
  
 //Replace the user action by the adjoint actions
 //------------------------------------------------- 
  
  theRunManager->G4RunManager::SetUserAction(theAdjointRunAction);
  theRunManager->G4RunManager::SetUserAction(theAdjointPrimaryGeneratorAction);
  theRunManager->G4RunManager::SetUserAction(theAdjointStackingAction);
  if (use_user_StackingAction)  theAdjointStackingAction->SetUserFwdStackingAction(fUserStackingAction);
  else theAdjointStackingAction->SetUserFwdStackingAction(0);
}
//
void G4AdjointSimManager::ResetUserActions()
{
  G4RunManager* theRunManager =  G4RunManager::GetRunManager();

  //Restore the user defined actions
  //-------------------------------

  theRunManager->G4RunManager::SetUserAction(fUserEventAction);
  theRunManager->G4RunManager::SetUserAction(fUserSteppingAction);
  theRunManager->G4RunManager::SetUserAction(fUserTrackingAction);
  theRunManager->G4RunManager::SetUserAction(fUserPrimaryGeneratorAction);
  theRunManager->G4RunManager::SetUserAction(fUserStackingAction);
}
//
void G4AdjointSimManager::ResetRestOfUserActions()
{
  G4RunManager* theRunManager =  G4RunManager::GetRunManager();
  
  //Restore the user defined actions
  //-------------------------------
 
  theRunManager->G4RunManager::SetUserAction(fUserEventAction);
  theRunManager->G4RunManager::SetUserAction(fUserSteppingAction);
  theRunManager->G4RunManager::SetUserAction(fUserTrackingAction);
}

//
void G4AdjointSimManager::ResetUserPrimaryRunAndStackingActions()
{ 
  G4RunManager* theRunManager =  G4RunManager::GetRunManager();
  //Restore the user defined actions
  //-------------------------------
  theRunManager->G4RunManager::SetUserAction(fUserRunAction);
  theRunManager->G4RunManager::SetUserAction(fUserPrimaryGeneratorAction);
  theRunManager->G4RunManager::SetUserAction(fUserStackingAction);
}
//
void G4AdjointSimManager::DefineUserActions()
{ 
   G4RunManager* theRunManager =  G4RunManager::GetRunManager();
   fUserTrackingAction= const_cast<G4UserTrackingAction* >( theRunManager->GetUserTrackingAction() );
   fUserEventAction= const_cast<G4UserEventAction* >( theRunManager->GetUserEventAction() ); 
   fUserSteppingAction= const_cast<G4UserSteppingAction* >( theRunManager->GetUserSteppingAction() );
   theAdjointSteppingAction->SetUserForwardSteppingAction(fUserSteppingAction);
   fUserPrimaryGeneratorAction= const_cast<G4VUserPrimaryGeneratorAction* >( theRunManager->GetUserPrimaryGeneratorAction() );
   fUserRunAction= const_cast<G4UserRunAction*>( theRunManager->GetUserRunAction() );
   fUserStackingAction= const_cast<G4UserStackingAction* >( theRunManager->GetUserStackingAction() );
   user_action_already_defined=true;    
}
//
G4bool G4AdjointSimManager::GetAdjointTrackingMode(){
  return  theAdjointTrackingAction->GetIsAdjointTrackingMode();
}
//
void G4AdjointSimManager::SetAdjointTrackingMode(G4bool aBool)//could be removed
{
  adjoint_tracking_mode = aBool;
 
  if (adjoint_tracking_mode) {
        SetRestOfAdjointActions();
        theAdjointStackingAction->SetAdjointMode(true);
        theAdjointStackingAction->SetKillTracks(false);
        
  }     
  else {
        
        ResetRestOfUserActions();
        theAdjointStackingAction->SetAdjointMode(false);
        if (GetDidAdjParticleReachTheExtSource()){
                theAdjointStackingAction->SetKillTracks(false);
                RegisterAtEndOfAdjointTrack();
        }
        else theAdjointStackingAction->SetKillTracks(true);
  }     
}
//
G4bool G4AdjointSimManager::GetDidAdjParticleReachTheExtSource()
{
  return theAdjointSteppingAction->GetDidAdjParticleReachTheExtSource();
}
//
std::vector<G4ParticleDefinition*>*  G4AdjointSimManager::GetListOfPrimaryFwdParticles()
{
  return theAdjointPrimaryGeneratorAction->GetListOfPrimaryFwdParticles();
}
//
size_t G4AdjointSimManager::GetNbOfPrimaryFwdParticles()
{
  return theAdjointPrimaryGeneratorAction->GetListOfPrimaryFwdParticles()->size();
}

//
G4ThreeVector  G4AdjointSimManager::GetPositionAtEndOfLastAdjointTrack(){
   return theAdjointTrackingAction->GetPositionAtEndOfLastAdjointTrack();
}

//
G4ThreeVector G4AdjointSimManager::GetDirectionAtEndOfLastAdjointTrack(){
   return theAdjointTrackingAction->GetDirectionAtEndOfLastAdjointTrack();
}
//
G4double G4AdjointSimManager::GetEkinAtEndOfLastAdjointTrack(){
 return theAdjointTrackingAction->GetEkinAtEndOfLastAdjointTrack();
}
//
G4double G4AdjointSimManager::GetEkinNucAtEndOfLastAdjointTrack(){
 return theAdjointTrackingAction->GetEkinNucAtEndOfLastAdjointTrack();
}
//
G4double G4AdjointSimManager::GetWeightAtEndOfLastAdjointTrack(){
 return theAdjointTrackingAction->GetWeightAtEndOfLastAdjointTrack();
}
//
G4double G4AdjointSimManager::GetCosthAtEndOfLastAdjointTrack(){
 return theAdjointTrackingAction->GetCosthAtEndOfLastAdjointTrack();
}
//
const G4String& G4AdjointSimManager::GetFwdParticleNameAtEndOfLastAdjointTrack()
{return theAdjointTrackingAction->GetFwdParticleNameAtEndOfLastAdjointTrack();
}
//
G4int G4AdjointSimManager::GetFwdParticlePDGEncodingAtEndOfLastAdjointTrack(){
 return theAdjointTrackingAction->GetFwdParticlePDGEncodingAtEndOfLastAdjointTrack();
}

//
G4int G4AdjointSimManager::GetFwdParticleIndexAtEndOfLastAdjointTrack()
{return theAdjointTrackingAction->GetLastFwdParticleIndex();
}

//
void G4AdjointSimManager::RegisterAtEndOfAdjointTrack()
{
  last_pos = theAdjointSteppingAction->GetLastPosition();  
  last_direction = theAdjointSteppingAction->GetLastMomentum();
  last_direction /=last_direction.mag();
  last_cos_th =  last_direction.z();
  G4ParticleDefinition* aPartDef= theAdjointSteppingAction->GetLastPartDef(); 
        
  last_fwd_part_name= aPartDef->GetParticleName();
 
  last_fwd_part_name.remove(0,4);
  
  last_fwd_part_PDGEncoding=G4ParticleTable::GetParticleTable()->FindParticle(last_fwd_part_name)->GetPDGEncoding();
        
  std::vector<G4ParticleDefinition*>* aList = theAdjointPrimaryGeneratorAction->GetListOfPrimaryFwdParticles();
  last_fwd_part_index=-1;
  size_t i=0;
  while(i<aList->size() && last_fwd_part_index<0) {
        if ((*aList)[i]->GetParticleName() == last_fwd_part_name) last_fwd_part_index=i;
        i++;
  }
  
  last_ekin = theAdjointSteppingAction->GetLastEkin();
  last_ekin_nuc = last_ekin;
  if (aPartDef->GetParticleType() == "adjoint_nucleus") {
        nb_nuc=double(aPartDef->GetBaryonNumber());
        last_ekin_nuc /=nb_nuc;
  }

  last_weight = theAdjointSteppingAction->GetLastWeight(); 
  
  /* G4PhysicsLogVector* theWeightVector=0;
  if (last_fwd_part_name =="e-")  theWeightVector=electron_last_weight_vector;
  else if (last_fwd_part_name =="gamma") theWeightVector=gamma_last_weight_vector;
  else if (last_fwd_part_name =="proton") theWeightVector=proton_last_weight_vector;
  
  if (theWeightVector){

        size_t ind =  size_t(std::log10(last_weight/theAdjointPrimaryWeight)*10. + 200);
        G4double low_val =theWeightVector->GetLowEdgeEnergy(ind);
        G4bool aBool = true;
        G4double bin_weight = theWeightVector->GetValue(low_val, aBool)+1.;
        theWeightVector->PutValue(ind, bin_weight);
  }
  */
  /*if ((last_weight/theAdjointPrimaryWeight)>1.) last_weight*=1000. ;
  else if ( (last_weight/theAdjointPrimaryWeight)>0.1) last_weight*=100. ;
  else if ( (last_weight/theAdjointPrimaryWeight)>0.01) last_weight*=10. ;*/
  
  
  //G4cout <<"Last Weight "<<last_weight<<'\t'<<theAdjointPrimaryWeight<<'\t'<<last_weight/theAdjointPrimaryWeight<<std::endl;
  /*if (last_weight/theAdjointPrimaryWeight >10.) {
        G4cout<<"Warning a weight increase by a factor : "<<last_weight/theAdjointPrimaryWeight<<std::endl;
  }
  */
 
   ID_of_last_particle_that_reach_the_ext_source++;
}
//
G4bool  G4AdjointSimManager::DefineSphericalExtSource(G4double radius, G4ThreeVector pos)
{       
   G4double area;
   return G4AdjointCrossSurfChecker::GetInstance()->AddaSphericalSurface("ExternalSource", radius, pos, area);
}
//
G4bool  G4AdjointSimManager::DefineSphericalExtSourceWithCentreAtTheCentreOfAVolume(G4double radius, const G4String& volume_name)
{
   G4double area;
   G4ThreeVector center;
   return G4AdjointCrossSurfChecker::GetInstance()->AddaSphericalSurfaceWithCenterAtTheCenterOfAVolume( "ExternalSource", radius, volume_name,center, area);
}
//
G4bool  G4AdjointSimManager::DefineExtSourceOnTheExtSurfaceOfAVolume(const G4String& volume_name)
{
   G4double area;
   return G4AdjointCrossSurfChecker::GetInstance()->AddanExtSurfaceOfAvolume( "ExternalSource", volume_name,area);
}
//
void  G4AdjointSimManager::SetExtSourceEmax(G4double Emax)
{
  theAdjointSteppingAction->SetExtSourceEMax(Emax);
}
//
G4bool  G4AdjointSimManager::DefineSphericalAdjointSource(G4double radius, G4ThreeVector pos)
{       
   G4double area;
   G4bool aBool = G4AdjointCrossSurfChecker::GetInstance()->AddaSphericalSurface("AdjointSource", radius, pos, area); 
   theAdjointPrimaryGeneratorAction->SetSphericalAdjointPrimarySource(radius, pos); 
   area_of_the_adjoint_source=area;
   return aBool;        
}
//
G4bool  G4AdjointSimManager::DefineSphericalAdjointSourceWithCentreAtTheCentreOfAVolume(G4double radius, const G4String& volume_name)
{
   G4double area;
   G4ThreeVector center;
   G4bool aBool = G4AdjointCrossSurfChecker::GetInstance()->AddaSphericalSurfaceWithCenterAtTheCenterOfAVolume( "AdjointSource", radius, volume_name,center, area);
   theAdjointPrimaryGeneratorAction->SetSphericalAdjointPrimarySource(radius, center);
   area_of_the_adjoint_source=area;
   return aBool;
}
//
G4bool  G4AdjointSimManager::DefineAdjointSourceOnTheExtSurfaceOfAVolume(const G4String& volume_name)
{
   G4double area;
   G4bool aBool = G4AdjointCrossSurfChecker::GetInstance()->AddanExtSurfaceOfAvolume( "AdjointSource", volume_name,area); 
   area_of_the_adjoint_source=area; 
   if (aBool) { 
        theAdjointPrimaryGeneratorAction->SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(volume_name);
   }
   return aBool;
}
//
void G4AdjointSimManager::SetAdjointSourceEmin(G4double Emin)
{
  theAdjointPrimaryGeneratorAction->SetEmin(Emin);
}
//
void G4AdjointSimManager::SetAdjointSourceEmax(G4double Emax)
{
  theAdjointPrimaryGeneratorAction->SetEmax(Emax);
}
//
void G4AdjointSimManager::ConsiderParticleAsPrimary(const G4String& particle_name)
{
  theAdjointPrimaryGeneratorAction->ConsiderParticleAsPrimary(particle_name);
}
//
void G4AdjointSimManager::NeglectParticleAsPrimary(const G4String& particle_name)
{
  theAdjointPrimaryGeneratorAction->NeglectParticleAsPrimary(particle_name);
}
//
/*void G4AdjointSimManager::SetPrimaryIon(G4int Z, G4int A)
{
  theAdjointPrimaryGeneratorAction->SetPrimaryIon(Z, A);
}
*/
//
void G4AdjointSimManager::SetPrimaryIon(G4ParticleDefinition* adjointIon, G4ParticleDefinition* fwdIon)
{
  theAdjointPrimaryGeneratorAction->SetPrimaryIon(adjointIon, fwdIon);
}
//
const G4String& G4AdjointSimManager::GetPrimaryIonName()
{
  return theAdjointPrimaryGeneratorAction->GetPrimaryIonName();
}
//
void G4AdjointSimManager::RegisterAdjointPrimaryWeight(G4double aWeight)
{
  theAdjointPrimaryWeight = aWeight;
  theAdjointSteppingAction->SetPrimWeight(aWeight);
} 

//
void G4AdjointSimManager::SetAdjointEventAction(G4UserEventAction* anAction)
{
  theAdjointEventAction = anAction;
}
//
void G4AdjointSimManager::SetAdjointSteppingAction(G4UserSteppingAction* anAction)
{
  theAdjointSteppingAction->SetUserAdjointSteppingAction(anAction);
}
//
void G4AdjointSimManager::SetAdjointStackingAction(G4UserStackingAction* anAction)
{
  theAdjointStackingAction->SetUserAdjointStackingAction(anAction);
}

//
void G4AdjointSimManager::SetAdjointRunAction(G4UserRunAction* anAction)
{
  theAdjointRunAction=anAction;
} 
//
void G4AdjointSimManager::SetNbOfPrimaryFwdGammasPerEvent(G4int nb)
{
  theAdjointPrimaryGeneratorAction->SetNbPrimaryFwdGammasPerEvent(nb);
}
//
void G4AdjointSimManager::BeginOfRunAction(const G4Run* aRun)
{

 if (!adjoint_sim_mode){
  if(fUserRunAction) fUserRunAction->BeginOfRunAction(aRun);
 }
 else {
  if (theAdjointRunAction) theAdjointRunAction->BeginOfRunAction(aRun);
 }
}
//
void G4AdjointSimManager::EndOfRunAction(const G4Run* aRun)
{if (!adjoint_sim_mode){
  if(fUserRunAction) fUserRunAction->EndOfRunAction(aRun);
 }
 else if (theAdjointRunAction) theAdjointRunAction->EndOfRunAction(aRun);
/*
#ifdef G4MULTITHREADED
 if (G4RunManager::GetRunManager()->GetRunManagerType() == G4RunManager::workerRM){
  if (adjoint_sim_mode) BackToFwdSimulationMode();
 }
#endif
*/

}