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/// \file field/field02/include/F02DetectorConstruction.hh
/// \brief Definition of the F02DetectorConstruction class
//
//
//
//
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#ifndef F02DetectorConstruction_h
#define F02DetectorConstruction_h 1

#include "G4VUserDetectorConstruction.hh"
#include "G4Cache.hh"

class G4Box;
class G4Tubs;
class G4LogicalVolume;
class G4VPhysicalVolume;

class G4Material;
class G4UniformMagField;

class F02DetectorMessenger;
class F02CalorimeterSD;
class F02ElectricFieldSetup;

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class F02DetectorConstruction : public G4VUserDetectorConstruction
{
  public:

    F02DetectorConstruction();
    virtual ~F02DetectorConstruction();

  public:

     void SetAbsorberMaterial (G4String);
     void SetAbsorberThickness(G4double);
     void SetAbsorberRadius(G4double);

     void SetAbsorberZpos(G4double);

     void SetWorldMaterial(G4String);
     void SetWorldSizeZ(G4double);
     void SetWorldSizeR(G4double);

     virtual G4VPhysicalVolume* Construct();
     virtual void ConstructSDandField();

  public:

     void PrintCalorParameters();

     G4Material* GetWorldMaterial()    {return fWorldMaterial;}
     G4double GetWorldSizeZ()          {return fWorldSizeZ;}
     G4double GetWorldSizeR()          {return fWorldSizeR;}

     G4double GetAbsorberZpos()        {return fZAbsorber;}
     G4double GetZStartAbs()           {return fZStartAbs;}
     G4double GetZEndAbs()             {return fZEndAbs;}

     G4Material* GetAbsorberMaterial() {return fAbsorberMaterial;}
     G4double    GetAbsorberThickness(){return fAbsorberThickness;}
     G4double    GetAbsorberRadius()   {return fAbsorberRadius;}

     const G4VPhysicalVolume* GetPhysiWorld() {return fPhysiWorld;}
     const G4VPhysicalVolume* GetAbsorber()   {return fPhysiAbsorber;}
     G4LogicalVolume* GetLogicalAbsorber()    {return fLogicAbsorber;}

  private:

     F02DetectorMessenger* fDetectorMessenger;  // pointer -> Messenger
     G4Cache<F02CalorimeterSD*> fCalorimeterSD; // pointer -> sensitive detector
     G4Cache<F02ElectricFieldSetup*> fEmFieldSetup;

     G4Tubs*            fSolidWorld;     // pointer to the solid World
     G4LogicalVolume*   fLogicWorld;     // pointer to the logical World
     G4VPhysicalVolume* fPhysiWorld;     // pointer to the physical World

     G4Tubs*            fSolidAbsorber;  // pointer to the solid Absorber
     G4LogicalVolume*   fLogicAbsorber;  // pointer to the logical Absorber
     G4VPhysicalVolume* fPhysiAbsorber;  // pointer to the physical Absorber

     G4Material*        fAbsorberMaterial;
     G4double           fAbsorberThickness;
     G4double           fAbsorberRadius;
     G4bool             fWorldChanged;

     G4double           fZAbsorber;
     G4double           fZStartAbs, fZEndAbs;

     G4Material*        fWorldMaterial;
     G4double           fWorldSizeR;
     G4double           fWorldSizeZ;

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

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inline void F02DetectorConstruction::ComputeCalorParameters()
{
     // Compute derived parameters of the calorimeter

     fZStartAbs = fZAbsorber-0.5*fAbsorberThickness;
     fZEndAbs   = fZAbsorber+0.5*fAbsorberThickness;
}

#endif