G4IStore.cc

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//
// G4IStore implementation
//
// Author: Michael Dressel (CERN), 2002
// Modified: Alex Howard (CERN), 2013 - Changed class to a 'singleton'
// ----------------------------------------------------------------------
 
#include "G4IStore.hh"
#include "G4VPhysicalVolume.hh"
#include "G4GeometryCell.hh"
#include "G4GeometryCellStepStream.hh"
#include "G4LogicalVolume.hh"
#include "G4TransportationManager.hh"
 
#include "G4AutoLock.hh"
 
namespace
{
  G4Mutex IStoreMutex = G4MUTEX_INITIALIZER;
}
 
// ***************************************************************************
// Static class variable: ptr to single instance of class
// ***************************************************************************
G4ThreadLocal G4IStore* G4IStore::fInstance = nullptr;
 
G4IStore::G4IStore()
  : fWorldVolume(G4TransportationManager::GetTransportationManager()
                 ->GetNavigatorForTracking()->GetWorldVolume())
{
}
 
G4IStore::G4IStore(const G4String& ParallelWorldName)
  : fWorldVolume(G4TransportationManager::GetTransportationManager()
                 ->GetParallelWorld(ParallelWorldName))
{
#ifdef G4VERBOSE
  G4cout << " G4IStore:: ParallelWorldName = "
         << ParallelWorldName << G4endl;
  G4cout << " G4IStore:: fParallelWorldVolume = "
         << fWorldVolume->GetName() << G4endl;
#endif
}
 
G4IStore::~G4IStore() = default;
 
void G4IStore::Clear()
{
  fGeometryCelli.clear();
}
 
void G4IStore::SetWorldVolume()
{
  G4cout << " G4IStore:: SetWorldVolume " << G4endl;
  fWorldVolume = G4TransportationManager::GetTransportationManager()
                 ->GetNavigatorForTracking()->GetWorldVolume();
  G4cout << " World volume is: " << fWorldVolume->GetName() << G4endl;
  // fGeometryCelli = new G4GeometryCellImportance;
}
 
void G4IStore::SetParallelWorldVolume(const G4String& paraName)
{
  G4cout << " G4IStore:: SetParallelWorldVolume " << G4endl;
  fWorldVolume = G4TransportationManager::GetTransportationManager()
                 ->GetParallelWorld(paraName);
  G4cout << " ParallelWorld volume is: " << fWorldVolume->GetName() << G4endl;
  // fGeometryCelli = new G4GeometryCellImportance;
}
 
const G4VPhysicalVolume& G4IStore::GetWorldVolume() const
{
  return *fWorldVolume;
}
 
const G4VPhysicalVolume* G4IStore::GetParallelWorldVolumePointer() const
{
  return fWorldVolume;
}
 
void G4IStore::SetInternalIterator(const G4GeometryCell& gCell) const
{
  fCurrentIterator = fGeometryCelli.find(gCell);
}
 
void G4IStore::AddImportanceGeometryCell(G4double importance,
                                         const G4GeometryCell& gCell)
{
  if (importance < 0 )
  {
    Error("AddImportanceGeometryCell() - Invalid importance value given.");
  }  
  if (!IsInWorld(gCell.GetPhysicalVolume()) )
  {
    Error("AddImportanceGeometryCell() - Physical volume not found!");
  }
  SetInternalIterator(gCell);
  if (fCurrentIterator != fGeometryCelli.cend())
  {
    Error("AddImportanceGeometryCell() - Region already existing!");
  }
  fGeometryCelli[gCell] = importance;
}
 
void G4IStore::AddImportanceGeometryCell(G4double importance,
                                         const G4VPhysicalVolume& aVolume,
                                         G4int aRepNum)
{
  AddImportanceGeometryCell(importance, G4GeometryCell(aVolume, aRepNum));
}
 
void G4IStore::ChangeImportance(G4double importance,
                                const G4GeometryCell& gCell)
{
  if (importance < 0 )
  {
    Error("ChangeImportance() - Invalid importance value given.");
  }
  if (!IsInWorld(gCell.GetPhysicalVolume()))
  {
    Error("ChangeImportance() - Physical volume not found!");
  }
  SetInternalIterator(gCell);
  if (fCurrentIterator == fGeometryCelli.cend())
  {
    Error("ChangeImportance() - Region does not exist!");
  }
  fGeometryCelli[gCell] = importance;
 
}
 
void G4IStore::ChangeImportance(G4double importance,
                                const G4VPhysicalVolume& aVolume,
                                G4int aRepNum)
{
  ChangeImportance(importance, G4GeometryCell(aVolume, aRepNum));
}
 
G4double G4IStore::GetImportance(const G4VPhysicalVolume& aVolume,
                                 G4int aRepNum) const
{  
  G4AutoLock l(&IStoreMutex);
  SetInternalIterator(G4GeometryCell(aVolume, aRepNum));
  auto gCellIterator = fCurrentIterator;
  if (gCellIterator == fGeometryCelli.cend())
  {
    Error("GetImportance() - Region does not exist!");
    return 0.;
  }
  G4double importance_value = (*fCurrentIterator).second;
  l.unlock();
 
  return importance_value;
}
 
G4double G4IStore::GetImportance(const G4GeometryCell& gCell) const
{
  G4AutoLock l(&IStoreMutex);
  SetInternalIterator(gCell);
  auto gCellIterator = fCurrentIterator;
  if (gCellIterator == fGeometryCelli.cend())
  {
    std::ostringstream err_mess;
    err_mess << "GetImportance() - Region does not exist!" << G4endl
             << "Geometry cell, " << gCell
             << ", not found in: " << fGeometryCelli << ".";
    Error(err_mess.str());
    return 0.;
  }
  G4double importance_value = (*fCurrentIterator).second;
  l.unlock();
 
  return importance_value;
}
 
G4bool G4IStore::IsKnown(const G4GeometryCell& gCell) const
{
  G4AutoLock l(&IStoreMutex);
  G4bool inWorldKnown(IsInWorld(gCell.GetPhysicalVolume()));
                      
  if ( inWorldKnown )
  {
    SetInternalIterator(gCell);
    inWorldKnown = (fCurrentIterator != fGeometryCelli.cend());
  }
  l.unlock();
 
  return inWorldKnown;
}
 
G4bool G4IStore::IsInWorld(const G4VPhysicalVolume& aVolume) const
{
  G4bool isIn(true);
  if (!(aVolume == *fWorldVolume))
  {
    isIn = fWorldVolume->GetLogicalVolume()->IsAncestor(&aVolume);
  }
  return isIn;
}
 
void G4IStore::Error(const G4String& msg) const
{
  G4Exception("G4IStore::Error()", "GeomBias0002", FatalException, msg);
}
 
// ***************************************************************************
// Returns the instance of the singleton.
// Creates it in case it's called for the first time.
// ***************************************************************************
//
G4IStore* G4IStore::GetInstance()
{
  if (fInstance == nullptr)
  {
#ifdef G4VERBOSE
    G4cout << "G4IStore:: Creating new MASS IStore " << G4endl;
#endif
    fInstance = new G4IStore();
  }
  return fInstance;    
}
 
// ***************************************************************************
// Returns the instance of the singleton.
// Creates it in case it's called for the first time.
// ***************************************************************************
//
G4IStore* G4IStore::GetInstance(const G4String& ParallelWorldName)
{
  if (fInstance == nullptr)
  {
#ifdef G4VERBOSE
    G4cout << "G4IStore:: Creating new Parallel IStore "
           << ParallelWorldName << G4endl;
#endif
    fInstance = new G4IStore(ParallelWorldName);
  }
  return fInstance;    
}