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// $Id: DetectorConstruction.hh,v 1.13 2006/06/29 16:51:06 gunter Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
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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 G4UniformMagField;
class DetectorMessenger;

     const G4int MaxAbsor = 10;			// 0 + 9  
     
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class DetectorConstruction : public G4VUserDetectorConstruction
{
public:
  
  DetectorConstruction();
  ~DetectorConstruction();

public:
  
  void SetNbOfAbsor     (G4int);      
  void SetAbsorMaterial (G4int,const G4String&);     
  void SetAbsorThickness(G4int,G4double);
          
  void SetWorldMaterial (const G4String&);
  void SetCalorSizeYZ   (G4double);          
  void SetNbOfLayers    (G4int);   

  void SetMagField   (G4double);
     
  G4VPhysicalVolume* Construct();

  void UpdateGeometry();
     
public:
  
  void PrintCalorParameters(); 
                    
  G4double GetWorldSizeX()           {return WorldSizeX;}; 
  G4double GetWorldSizeYZ()          {return WorldSizeYZ;};
     
  G4double GetCalorThickness()       {return CalorThickness;}; 
  G4double GetCalorSizeYZ()          {return CalorSizeYZ;};
      
  G4int GetNbOfLayers()              {return NbOfLayers;}; 
     
  G4int       GetNbOfAbsor()             {return NbOfAbsor;}; 
  G4Material* GetAbsorMaterial(G4int i)  {return AbsorMaterial[i];};
  G4double    GetAbsorThickness(G4int i) {return AbsorThickness[i];};      

  const G4VPhysicalVolume* GetphysiWorld()        {return physiWorld;};
  const G4Material*        GetWorldMaterial()     {return defaultMaterial;};
  const G4VPhysicalVolume* GetAbsorber(G4int i)   {return physiAbsor[i];};

private:

  G4int              NbOfAbsor;
  G4Material*        AbsorMaterial [MaxAbsor];
  G4double           AbsorThickness[MaxAbsor];

  G4int              NbOfLayers;
  G4double           LayerThickness;

  G4double           CalorSizeYZ;
  G4double           CalorThickness;

  G4Material*        defaultMaterial;
  G4double           WorldSizeYZ;
  G4double           WorldSizeX;

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

  G4Box*             solidCalor;
  G4LogicalVolume*   logicCalor;
  G4VPhysicalVolume* physiCalor;

  G4Box*             solidLayer;
  G4LogicalVolume*   logicLayer;
  G4VPhysicalVolume* physiLayer;

  G4Box*             solidAbsor[MaxAbsor];
  G4LogicalVolume*   logicAbsor[MaxAbsor];
  G4VPhysicalVolume* physiAbsor[MaxAbsor];

  G4UniformMagField* magField;

  DetectorMessenger* detectorMessenger;

private:

  void DefineMaterials();
  void ComputeCalorParameters();
  G4VPhysicalVolume* ConstructCalorimeter();
};

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#endif