#ifndef CONSTRUCTION_HH
#define CONSTRUCTION_HH

#include "G4VUserDetectorConstruction.hh"
#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4Box.hh"
#include "G4PVPlacement.hh"
#include "G4NistManager.hh"
#include "G4SystemOfUnits.hh"

#include "G4GenericMessenger.hh"

class MyDetectorMessenger;

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

        virtual G4VPhysicalVolume *Construct();

        void    SetMiniX_XY(const G4double sizeXY );
        G4double GetMiniX_XY() const { return fsizeXY; }

        void    SetMiniX_Z(const G4double sizeZ );
        G4double GetMiniX_Z() const { return fsizeZ; }

    private:
        G4Box *solidWorld;
        G4LogicalVolume *logicWorld,*logicMiniX;
        G4VPhysicalVolume *physWorld,*physMiniX;

        G4Material *H2O,*worldMat;

        void DefineMaterial();
        virtual void ConstructSDandField();

        MyDetectorMessenger *fMessenger;

        // MiniX dimensions
        G4double fsizeXY, fsizeZ;

        G4double xWorld, yWorld, zWorld;
};
#endif