ExG4DetectorConstruction01.hh

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// $Id$
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/// \file ExG4DetectorConstruction01.hh
/// \brief Definition of the ExG4DetectorConstruction01 class

#ifndef ExG4DetectorConstruction01_h
#define ExG4DetectorConstruction01_h 1

#include "G4VUserDetectorConstruction.hh"

#include "ExG4DetectorConstruction01Messenger.hh"

#include "G4ThreeVector.hh"

#include "CLHEP/Units/SystemOfUnits.h"

class G4LogicalVolume;
class G4Material;
class DetectorMessenger;

/// Simple detector construction with only a world volume

class ExG4DetectorConstruction01 : public G4VUserDetectorConstruction
{
  public:
    ExG4DetectorConstruction01(
       const G4String& materialName = "G4_AIR",
       G4double hx = 50*CLHEP::cm, 
       G4double hy = 50*CLHEP::cm, 
       G4double hz = 50*CLHEP::cm);
    ~ExG4DetectorConstruction01();

  public:
    // methods from base class 
    virtual G4VPhysicalVolume* Construct();

    // set methods
    void  SetMaterial(const G4String& materialName);
    void  SetDimensions(G4double hx, G4double hy, G4double hz);
                       
  private:
    ExG4DetectorConstruction01Messenger fMessenger;

    G4String               fMaterialName;
    G4ThreeVector          fDimensions;
    G4LogicalVolume*       fWorldVolume;  
};

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#endif