#ifndef CONSTRUCTION_HH
#define CONSTRUCTION_HH

#include "G4SystemOfUnits.hh"
#include "G4VUserDetectorConstruction.hh"
#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4Box.hh"
#include "G4PVPlacement.hh"
#include "G4NistManager.hh"
#include "detector.hh"
#include "G4GenericMessenger.hh"
#include "G4Tubs.hh"

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

    G4LogicalVolume *GetScoringVolume() const { return fScoringVolume;}
    
    virtual G4VPhysicalVolume *Construct();

private:
    G4LogicalVolume *logicDetector;
    virtual void ConstructSDandField();
    
    G4int nCols, nRows;
    
    void DefineMaterial();

    void ConstructMuon();
    void ConstructScintillator();
    void ConstructTOF();

    G4Box *solidWorld, *solidRadiator, *solidDetector;
    G4Tubs *solidScintillator;
    G4LogicalVolume *logicWorld, *logicRadiator, *logicScintillator;
    G4VPhysicalVolume *physRadiator, *physWorld, *physDetector, *physScintillator;

    G4GenericMessenger *fMessenger;

    G4LogicalVolume *fScoringVolume;

    G4Material *SiO2, *H2O, *Aerogel, *worldMat, *NaI, *PbWO4, *Aluminium;
    G4Element *C, *Na, *I, *Pb, *W, *O ;

    G4double xWorld, yWorld, zWorld;
    G4bool isMuon, isScintillator, isTOF;

    
}; 
#endif