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//
/// \file DetectorConstruction.hh
/// \brief Definition of the DetectorConstruction class
//
// 

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#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

#include "G4VUserDetectorConstruction.hh"
#include "globals.hh"

class G4LogicalVolume;
class G4Material;
class DetectorMessenger;

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class DetectorConstruction : public G4VUserDetectorConstruction
{
  public:
  
    DetectorConstruction();
   ~DetectorConstruction();

  public:
  
    virtual G4VPhysicalVolume* Construct();
    
    void SetTargetLength (G4double value);
    void SetTargetRadius (G4double value);
    void SetTargetMaterial (G4String);
    
    void SetDetectorLength(G4double value);           
    void SetDetectorThickness(G4double value);  
    void SetDetectorMaterial(G4String);               
                   
    void PrintParameters();
    
  public:
      
    G4double GetTargetLength();
    G4double GetTargetRadius();
    G4Material* GetTargetMaterial();       
    G4LogicalVolume* GetLogicTarget();
    
    G4double GetDetectorLength();
    G4double GetDetectorThickness();
    G4Material* GetDetectorMaterial();                 
    G4LogicalVolume* GetLogicDetector();      
                       
  private:
  
    G4double           fTargetLength; 
    G4double           fTargetRadius;
    G4Material*        fTargetMater;
    G4LogicalVolume*   fLogicTarget;
                 
    G4double           fDetectorLength;
    G4double           fDetectorThickness;
    G4Material*        fDetectorMater;
    G4LogicalVolume*   fLogicDetector;
               
    G4double           fWorldLength;
    G4double           fWorldRadius;
    G4Material*        fWorldMater;     
    G4VPhysicalVolume* fPhysiWorld;
                
    DetectorMessenger* fDetectorMessenger;

  private:
    
    void               DefineMaterials();
    G4VPhysicalVolume* ConstructVolumes();     
};

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#endif

