DetectorConstruction.hh

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#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

#include "G4VUserDetectorConstruction.hh"
#include "G4VPhysicalVolume.hh"

#include "globals.hh"

class G4Material;
class DetectorMessenger;

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class DetectorConstruction : public G4VUserDetectorConstruction
{
  public:

    DetectorConstruction();
   ~DetectorConstruction();

  public:

     void SetMaterialScatter (G4String);
     void SetThicknessScatter(G4double);

     virtual G4VPhysicalVolume* Construct();

     void UpdateGeometry();

  public:

     void PrintGeometry();

     G4double    GetThicknessWorld()         {return fThickness_World;};
     G4double    GetRadiusWorld()            {return fRadius_World;};     
     G4double    GetThicknessFrame()         {return fThickness_Frame;};     
  
     G4Material* GetMaterialScatter()        {return fMaterial_ScatterFoil;};
     G4double    GetThicknessScatter()       {return fThickness_ScatterFoil;};

     G4double    GetZdist_foil_detector() 
                                   {return fThickness_Frame-fZfront_ScatterFoil
                                         -0.5*fThickness_ScatterFoil;};
          
     const G4VPhysicalVolume* GetpvolWorld() {return fPvol_World;};
     const G4VPhysicalVolume* GetpvolFrame() {return fPvol_Frame;};

  private:
  
     G4Material*        fMaterial_World;
     G4double           fRadius_World;     
     G4double           fThickness_World;

     G4Material*        fMaterial_Frame;
     G4double           fThickness_Frame;
     G4double           fZfront_Frame;
     
     G4Material*        fMaterial_ExitWindow;
     G4double           fThickness_ExitWindow;
     G4double           fZfront_ExitWindow;

     G4Material*        fMaterial_ScatterFoil;
     G4double           fThickness_ScatterFoil;
     G4double           fZfront_ScatterFoil;

     G4Material*        fMaterial_MonitorChbr;
     G4double           fThickness_MonitorChbr;
     G4double           fZfront_MonitorChbr;

     G4Material*        fMaterial_Bag;
     G4double           fThickness_Bag;
     G4double           fZfront_Bag;

     G4Material*        fMaterial_Gas;
     G4double           fThickness_Gas;

     G4Material*        fMaterial_Ring;
     G4double           fThickness_Ring;
     G4double           fInnerRadius_Ring;
     

     G4VPhysicalVolume* fPvol_World;
     G4VPhysicalVolume* fPvol_Frame;
     
     DetectorMessenger* fDetectorMessenger;
      
  private:
    
     void DefineMaterials();
     void GeometryParameters();
     G4VPhysicalVolume* ConstructVolumes();     
};

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#endif