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/// \file exoticphysics/monopole/include/DetectorConstruction.hh
/// \brief Definition of the DetectorConstruction class
//
//
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#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

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

class G4LogicalVolume;
class G4Material;
class DetectorMessenger;
class G4MonopoleFieldSetup;
class G4GlobalMagFieldMessenger;

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

  virtual G4VPhysicalVolume* Construct();

  // set geometry and field parameters
  void SetSizeX(G4double);
  void SetSizeYZ(G4double);              
  void SetMaterial(const G4String&);            
  void SetMaxStepSize(G4double);

  virtual void ConstructSDandField();
          
  // access to geometry
  inline G4double     GetWorldSizeX()    {return fWorldSizeX;};
  inline G4double     GetAbsorSizeX()    {return fAbsorSizeX;};
  inline G4double     GetMaxStepSize()   {return fMaxStepSize;};
  inline const G4Material* GetAbsorMaterial() {return fAbsorMaterial;};

  G4MonopoleFieldSetup* GetMonopoleFieldSetup() const { return fMonFieldSetup.Get(); }
                           
private:

  void PrintParameters();
  
  G4double            fWorldSizeX;
  G4double            fWorldSizeYZ;
  G4Material*         fWorldMaterial;           
  G4double            fAbsorSizeX;
  G4double            fAbsorSizeYZ;
  G4double            fMaxStepSize;
  G4Material*         fAbsorMaterial;
  G4LogicalVolume*    fLogAbsor;

  G4Cache<G4MonopoleFieldSetup*> fMonFieldSetup;
               
  DetectorMessenger*  fDetectorMessenger;

};

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#endif

