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/// \file ExP01DetectorConstruction.hh
/// \brief Definition of the ExP01DetectorConstruction class

#ifndef ExP01DetectorConstruction_h
#define ExP01DetectorConstruction_h 1

#include "ExP01MagneticField.hh"

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

class G4Box;
class G4LogicalVolume;
class G4VPhysicalVolume;
class G4Material;
class ExP01DetectorMessenger;

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/// Detector Construction for the persistency example

class ExP01DetectorConstruction : public G4VUserDetectorConstruction
{
  public:
    ExP01DetectorConstruction();
    ~ExP01DetectorConstruction();

  public:
    virtual G4VPhysicalVolume* Construct();

    const G4VPhysicalVolume* GetTracker() { return fPhysiTracker; };
    G4double GetTrackerFullLength() { return fTrackerLength; };
    G4double GetTargetFullLength() { return fTargetLength; };
    G4double GetWorldFullLength() { return fWorldLength; };

    void SetTargetMaterial(G4String);
    void SetChamberMaterial(G4String);
    void SetMagField(G4double);

  private:
    G4Box* fSolidWorld;  // pointer to the solid envelope
    G4LogicalVolume* fLogicWorld;  // pointer to the logical envelope
    G4VPhysicalVolume* fPhysiWorld;  // pointer to the physical envelope

    G4Box* fSolidTarget;  // pointer to the solid Target
    G4LogicalVolume* fLogicTarget;  // pointer to the logical Target
    G4VPhysicalVolume* fPhysiTarget;  // pointer to the physical Target

    G4Box* fSolidTracker;  // pointer to the solid Tracker
    G4LogicalVolume* fLogicTracker;  // pointer to the logical Tracker
    G4VPhysicalVolume* fPhysiTracker;  // pointer to the physical Tracker

    G4Box* fSolidChamber;  // pointer to the solid Chamber
    G4LogicalVolume* fLogicChamber;  // pointer to the logical Chamber
    G4VPhysicalVolume* fPhysiChamber;  // pointer to the physical Chamber

    G4Material* fTargetMater;  // pointer to the target  material
    G4Material* fChamberMater;  // pointer to the chamber material
    ExP01MagneticField* fPMagField;  // pointer to the magnetic field

    ExP01DetectorMessenger* fDetectorMessenger;  // pointer to the Messenger

    G4double fWorldLength;  // Full length of the world volume
    G4double fTargetLength;  // Full length of Target
    G4double fTrackerLength;  // Full length of Tracker
    G4int fNbOfChambers;  // Nb of chambers in the tracker region
    G4double fChamberWidth;  // width of the chambers
    G4double fChamberSpacing;  // distance between chambers
};

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#endif
