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// $Id: G4VUserDetectorConstruction.cc,v 1.8 2007/05/03 17:59:18 asaim Exp $
// GEANT4 tag $Name: geant4-09-02-ref-02 $
//

#include "G4VUserDetectorConstruction.hh"
#include "G4VPhysicalVolume.hh"
#include "G4VUserParallelWorld.hh"

G4VUserDetectorConstruction::G4VUserDetectorConstruction()
{;}

G4VUserDetectorConstruction::~G4VUserDetectorConstruction()
{;}

void G4VUserDetectorConstruction::RegisterParallelWorld(G4VUserParallelWorld* aPW)
{
  std::vector<G4VUserParallelWorld*>::iterator pwItr;
  for(pwItr=parallelWorld.begin();pwItr!=parallelWorld.end();pwItr++)
  {
    if((*pwItr)->GetName()==aPW->GetName())
    {
      G4String eM = "A parallel world <";
      eM += aPW->GetName();
      eM += "> is already registered to the user detector construction.";
      G4Exception("G4VUserDetectorConstruction::RegisterParallelWorld",
                  "RunUDet000",FatalErrorInArgument,eM);
    }
  }
  parallelWorld.push_back(aPW);
}

G4int G4VUserDetectorConstruction::ConstructParallelGeometries()
{
  G4int nP = 0;
  std::vector<G4VUserParallelWorld*>::iterator pwItr;
  for(pwItr=parallelWorld.begin();pwItr!=parallelWorld.end();pwItr++)
  {
    (*pwItr)->Construct();
    nP++;
  }
  return nP;
}

G4int G4VUserDetectorConstruction::GetNumberOfParallelWorld() const
{ return parallelWorld.size(); }

G4VUserParallelWorld* G4VUserDetectorConstruction::GetParallelWorld(G4int i) const
{
  if(i<0||i>=GetNumberOfParallelWorld()) return 0;
  return parallelWorld[i];
}