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/// \file DetectorConstruction.hh
/// \brief Definition of the DetectorConstruction class

#ifndef DetectorConstruction_H
#define DetectorConstruction_H 1

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

class G4LogicalVolume;
class G4VPhysicalVolume;
class G4Material;
class G4FieldManager;
class G4UniformMagField;
class DetectorMessenger;

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class DetectorConstruction : public G4VUserDetectorConstruction
{
  public:
    DetectorConstruction();
    ~DetectorConstruction();
    G4VPhysicalVolume* Construct() override;

    void SetTargetMaterial(const G4String name);
    inline G4Material* GetTargetMaterial() const;
    inline void SetTargetInnerRadius(const G4double value);
    inline G4double GetTargetInnerRadius() const;
    inline void SetTargetOuterRadius(const G4double value);
    inline G4double GetTargetOuterRadius() const;
    void SetMagField(const G4double fieldValue);
    void UpdateGeometry();

  private:
    // To be invoked each time the geometry needs to be updated
    G4VPhysicalVolume* ConstructLayer();

    void PrintParameters();
    G4Material* fTargetMaterial;
    G4LogicalVolume* fLogicExperimentalHall;
    G4VPhysicalVolume* fPhysExperimentalHall;
    G4LogicalVolume* fLogicTargetLayer;
    G4VPhysicalVolume* fPhysTargetLayer;
    G4FieldManager* fFieldMgr;
    G4UniformMagField* fUniformMagField;
    DetectorMessenger* fDetectorMessenger;
    G4double fTargetInnerRadius;
    G4double fTargetOuterRadius;
};

inline G4Material* DetectorConstruction::GetTargetMaterial() const
{
  return fTargetMaterial;
}

inline void DetectorConstruction::SetTargetInnerRadius(const G4double value)
{
  fTargetInnerRadius = value;
}

inline G4double DetectorConstruction::GetTargetInnerRadius() const
{
  return fTargetInnerRadius;
}

inline void DetectorConstruction::SetTargetOuterRadius(const G4double value)
{
  fTargetOuterRadius = value;
}

inline G4double DetectorConstruction::GetTargetOuterRadius() const
{
  return fTargetOuterRadius;
}

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#endif
