//
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// * The following disclaimer summarizes all the specific disclaimers *
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//
// $Id: DetectorConstruction.hh,v 1.5 2004/01/16 14:14:08 vnivanch Exp $
// GEANT4 tag $Name: geant4-06-00-patch-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 G4UserLimits;

class DetectorMessenger;

     const G4int MaxAbsor = 10;
     
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class DetectorConstruction : public G4VUserDetectorConstruction
{
  public:
  
    DetectorConstruction();
   ~DetectorConstruction();

  public:
  
     void SetNbOfAbsor     (G4int);      
     void SetAbsorMaterial (G4int,G4String);     
     void SetAbsorThickness(G4int,G4double);
          
     void SetWorldMaterial (G4String);          
     void SetCalorSizeYZ   (G4double);          
     void SetNbOfLayers    (G4int);   
      
     void SetMagField   (G4double);
     void SetMaxStepSize(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;
     G4UserLimits*      userLimits;
     
     DetectorMessenger* detectorMessenger;
      
  private:
    
     void DefineMaterials();
     void ComputeCalorParameters();
     G4VPhysicalVolume* ConstructCalorimeter();     
};

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#endif