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// $Id: DetectorConstruction.hh 101245 2016-11-10 08:45:38Z gcosmo $
//
/// \file medical/GammaTherapy/include/DetectorConstruction.hh
/// \brief Definition of the DetectorConstruction class
//
#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

// -------------------------------------------------------------
//      GEANT4  test  IBREM
//
// Authors: V.Grichine, V.Ivanchenko
//
// Modified:
//
// 18-02-03 V.Ivanchenko create
//
// -------------------------------------------------------------

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#include "G4VUserDetectorConstruction.hh"
#include "G4VPhysicalVolume.hh"
#include "G4Material.hh"

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class CheckVolumeSD;
class PhantomSD;
class TargetSD;
class DetectorMessenger;
class G4LogicalVolume;

class DetectorConstruction : public G4VUserDetectorConstruction
{
public:

  DetectorConstruction();
  virtual ~DetectorConstruction();

  G4VPhysicalVolume* Construct();

  void SetTarget1Material(const G4String& m);
  void SetTarget2Material(const G4String& m);

  inline G4double GetGeneratorPosZ() const    { return fGeneratorPosZ; };

  inline void SetGap(G4double val)            { fDelta = val; };
  inline void SetTarget1Z(G4double val)       { fTarget1Z = val; };
  inline void SetTarget2Z(G4double val)       { fTarget2Z = val; };
  inline void SetMylarZ(G4double val)         { fMylarVolumeZ = val; }
  inline void SetCheckShiftZ(G4double val)    { fCheckShiftZ = val; }
  inline void SetAbsorberZ(G4double val)      { fAbsorberZ = val; }
  inline void SetAbsorberShiftZ(G4double val) { fAbsorberShiftZ = val; }

private:  

  void InitialiseGeometryParameters();

  DetectorConstruction & operator=(const DetectorConstruction &right);
  DetectorConstruction(const DetectorConstruction&);

  CheckVolumeSD* fCheckSD;
  PhantomSD*     fPhantomSD;
  TargetSD*      fTargetSD;

  G4double fWorldXY, fWorldZ;
  G4double fDelta;
  G4double fGeneratorPosZ;

  G4double fTargetRadius, fTarget1Z, fTarget1PosZ;
  G4double fTarget2Z, fTarget2PosZ;

  G4double fGasVolumeRadius, fGasVolumeZ, fGasVolumePosZ;
  G4double fAirZ, fMylarVolumeZ, fMylarPosZ;
  G4double fCheckVolumeRadius, fCheckVolumeZ, fCheckShiftZ, fCheckVolumePosZ;
  G4double fTargetVolumeZ, fTargetVolumePosZ;

  G4double fPhantomRadius, fPhantomZ, fPhantomPosZ;
  G4double fAbsorberRadius, fAbsorberZ, fAbsorberShiftZ, fAbsorberPosZ;
  G4double fDistanceVacuumTarget, fWindowZ, fWindowPosZ;

  G4Material* fWorldMaterial;

  G4Material* fTarget1Material;
  G4Material* fTarget2Material;
  G4Material* fMylar;
  G4Material* fWindowMaterial;

  G4Material* fLightMaterial;
  G4Material* fAbsorberMaterial;

  G4LogicalVolume* fLogicTarget1;
  G4LogicalVolume* fLogicTarget2;

  DetectorMessenger* fMessenger;
};

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#endif
