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/// \file DetectorConstruction.hh
/// \brief Definition of the DetectorConstruction class
//
//
// $Id: DetectorConstruction.hh 98243 2016-07-04 16:58:38Z gcosmo $
//
// 

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#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

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

class G4Box;
class G4LogicalVolume;
class G4VPhysicalVolume;
class G4Material;
class DetectorMessenger;

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

  public:
     
     void SetAbsorberMaterial (G4String);     
     void SetAbsorberThickness(G4double);     

     void SetGapMaterial (G4String);     
     void SetGapThickness(G4double);
     
     void SetCalorSizeYZ(G4double);          
     void SetNbOfLayers (G4int);   
     
     virtual G4VPhysicalVolume* Construct();

  public:
  
     void PrintCalorParameters(); 
                    
     G4double GetWorldSizeX()           {return fWorldSizeX;}; 
     G4double GetWorldSizeYZ()          {return fWorldSizeYZ;};
     
     G4double GetCalorThickness()       {return fCalorThickness;}; 
     G4double GetCalorSizeYZ()          {return fCalorSizeYZ;};
      
     G4int GetNbOfLayers()              {return fNbOfLayers;}; 
     
     G4Material* GetAbsorberMaterial()  {return fAbsorberMaterial;};
     G4double    GetAbsorberThickness() {return fAbsorberThickness;};      
     
     G4Material* GetGapMaterial()       {return fGapMaterial;};
     G4double    GetGapThickness()      {return fGapThickness;};
     
     const G4VPhysicalVolume* GetphysiWorld() {return fPhysiWorld;};           
     const G4VPhysicalVolume* GetAbsorber()   {return fPhysiAbsorber;};
     const G4VPhysicalVolume* GetGap()        {return fPhysiGap;};
                 
  private:
     
     G4Material*        fAbsorberMaterial;
     G4double           fAbsorberThickness;
     
     G4Material*        fGapMaterial;
     G4double           fGapThickness;
     
     G4int              fNbOfLayers;
     G4double           fLayerThickness;
          
     G4double           fCalorSizeYZ;
     G4double           fCalorThickness;
     
     G4Material*        fDefaultMaterial;
     G4double           fWorldSizeYZ;
     G4double           fWorldSizeX;
            
     G4Box*             fSolidWorld;    //pointer to the solid World 
     G4LogicalVolume*   fLogicWorld;    //pointer to the logical World
     G4VPhysicalVolume* fPhysiWorld;    //pointer to the physical World

     G4Box*             fSolidCalor;    //pointer to the solid Calor 
     G4LogicalVolume*   fLogicCalor;    //pointer to the logical Calor
     G4VPhysicalVolume* fPhysiCalor;    //pointer to the physical Calor
     
     G4Box*             fSolidLayer;    //pointer to the solid Layer 
     G4LogicalVolume*   fLogicLayer;    //pointer to the logical Layer
     G4VPhysicalVolume* fPhysiLayer;    //pointer to the physical Layer
         
     G4Box*             fSolidAbsorber; //pointer to the solid Absorber
     G4LogicalVolume*   fLogicAbsorber; //pointer to the logical Absorber
     G4VPhysicalVolume* fPhysiAbsorber; //pointer to the physical Absorber
     
     G4Box*             fSolidGap;      //pointer to the solid Gap
     G4LogicalVolume*   fLogicGap;      //pointer to the logical Gap
     G4VPhysicalVolume* fPhysiGap;      //pointer to the physical Gap
     
     DetectorMessenger* fDetectorMessenger;  //pointer to the Messenger
      
  private:
    
     void DefineMaterials();
     void ComputeCalorParameters();
     G4VPhysicalVolume* ConstructCalorimeter();     
};

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inline void DetectorConstruction::ComputeCalorParameters()
{
  // Compute derived parameters of the calorimeter
     fLayerThickness = fAbsorberThickness + fGapThickness;
     fCalorThickness = fNbOfLayers*fLayerThickness;
     
     fWorldSizeX = 1.2*fCalorThickness; fWorldSizeYZ = 1.2*fCalorSizeYZ;
}

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#endif

