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// $Id: G4tgbDetectorConstruction.cc,v 1.4 2008/12/18 12:59:18 gunter Exp $
// GEANT4 tag $Name: geant4-09-02-ref-02 $
//
//
// class G4tgbDetectorConstruction

// History:
// - Created.                                 P.Arce, CIEMAT (November 2007)
// -------------------------------------------------------------------------

#include "G4tgbDetectorConstruction.hh"
#include "G4tgbVolume.hh"
#include "G4tgbVolumeMgr.hh"

#include "G4tgrVolume.hh"
#include "G4tgrVolumeMgr.hh"
#include "G4tgrMessenger.hh"

#include "G4Material.hh"
#include "G4Box.hh"
#include "G4Tubs.hh"
#include "G4LogicalVolume.hh"
#include "G4ThreeVector.hh"
#include "G4PVPlacement.hh"

//---------------------------------------------------------------------
G4tgbDetectorConstruction::G4tgbDetectorConstruction()
{;}

//---------------------------------------------------------------------
G4tgbDetectorConstruction::~G4tgbDetectorConstruction()
{;}

//---------------------------------------------------------------------
G4VPhysicalVolume* G4tgbDetectorConstruction::Construct()
{
  //------------------- construct g4 geometry
  //---------- find top G4tgrVolume 
  G4tgrVolumeMgr* tgrVolmgr = G4tgrVolumeMgr::GetInstance();
  const G4tgrVolume* tgrVoltop = tgrVolmgr->GetTopVolume();  

  //---------- copy list of G4tgrVolume's to list of G4tgbVolume's
  //           (just a trick to make all GEANT4 volume building in this class)
  G4tgbVolumeMgr* tgbVolmgr = G4tgbVolumeMgr::GetInstance();
  tgbVolmgr->CopyVolumes();
  //---------- find corresponding volume in list of G4tgbVolume's
  G4tgbVolume* tgbVoltop = tgbVolmgr->FindVolume( tgrVoltop->GetName() );
  
  //---------- ConstructG4Volumes of top G4tgbVolume
  //           (it will recursively build the whole tree)
  tgbVoltop->ConstructG4Volumes( 0, (const G4LogicalVolume*)0 );
 
 
  G4VPhysicalVolume* physvol = (G4tgbVolumeMgr::GetInstance())->GetTopPhysVol();

#ifdef G4VERBOSE
  if( G4tgrMessenger::GetVerboseLevel() >= 1 )
  {
    G4cout << " G4tgbDetectorConstruction::Construct() - Volume: "
           << physvol->GetName() << G4endl;
  }
#endif

  return physvol;
}