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/// \file common/include/DetectorConstruction.hh
/// \brief Definition of the Common::DetectorConstruction class

#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

#include "G4VUserDetectorConstruction.hh"
#include "G4ThreeVector.hh"
#include "CLHEP/Units/SystemOfUnits.h"

class G4LogicalVolume;
class G4Material;
class G4GenericMessenger;

namespace Common
{

/// Simple detector construction with a box volume placed in a world

class DetectorConstruction : public G4VUserDetectorConstruction
{
  public:
    DetectorConstruction(
       const G4String& boxMaterialName = "G4_AIR",
       G4double boxHx = 40*CLHEP::cm,
       G4double boxHy = 40*CLHEP::cm,
       G4double boxHz = 40*CLHEP::cm,
       const G4String& worldMaterialName = "G4_AIR",
       G4double worldSizeFactor = 1.25);
    ~DetectorConstruction() override;

  public:
    // methods from base class
    G4VPhysicalVolume* Construct() override;

    // set methods
    void  SetBoxMaterial(const G4String& materialName);
    void  SetWorldMaterial(const G4String& materialName);
    void  SetBoxDimensions(G4ThreeVector dimensions);
    void  SetWorldSizeFactor(G4double factor);

  private:
    void DefineCommands();

    G4GenericMessenger*  fMessenger = nullptr;
    G4String             fBoxMaterialName;
    G4String             fWorldMaterialName;
    G4ThreeVector        fBoxDimensions;
    G4double             fWorldSizeFactor = 0.;
    G4LogicalVolume*     fBoxVolume = nullptr;
    G4LogicalVolume*     fWorldVolume = nullptr;
};

}

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#endif

