DetectorConstruction.hh

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// -------------------------------------------------------------------
// $Id$
// -------------------------------------------------------------------

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#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

#include "G4VUserDetectorConstruction.hh"
#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4Box.hh"
#include "G4Sphere.hh"
#include "G4Material.hh"
#include "G4NistManager.hh"
#include "G4PVPlacement.hh"
#include "G4UserLimits.hh"
#include "G4VisAttributes.hh"

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class G4Region;
class DetectorMessenger;

class DetectorConstruction : public G4VUserDetectorConstruction
{
public:

  DetectorConstruction();

  ~DetectorConstruction();

  G4VPhysicalVolume* Construct();
  
  void SetMaterial (G4String);            
  void UpdateGeometry();
                         
private:
   
  G4double           WorldSizeX;
  G4double           WorldSizeY;
  G4double           WorldSizeZ;

  G4VPhysicalVolume* physiWorld;
  G4LogicalVolume*   logicWorld;  
  G4Box*             solidWorld;

  G4Material*        waterMaterial;

  void DefineMaterials();

  G4VPhysicalVolume* ConstructDetector();     
  DetectorMessenger*  fDetectorMessenger;

};
#endif