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// $Id: DetectorConstruction.hh,v 1.9 2006/06/29 16:49:29 gunter Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
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#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

#include "G4VUserDetectorConstruction.hh"
#include "G4ThreeVector.hh"
#include "G4Material.hh"
#include "G4VPhysicalVolume.hh"
#include "globals.hh"

class G4Tubs;
class G4LogicalVolume;
class G4UniformMagField;
class DetectorMessenger;

      const G4int MaxBin = 500;

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class DetectorConstruction : public G4VUserDetectorConstruction
{
  public:

    DetectorConstruction();
   ~DetectorConstruction();

  public:

     void SetMaterial(const G4String&);
     void SetLBining (G4ThreeVector);
     void SetRBining (G4ThreeVector);
     void SetMagField(G4double);

     G4VPhysicalVolume* Construct();

     void UpdateGeometry();

     const
     G4VPhysicalVolume* GetEcal() {return physiEcal;};
     G4Material*    GetMaterial() {return myMaterial;};

     // Subdivision of absorber
     G4int    GetnLtot()          {return nLtot;};
     G4int    GetnRtot()          {return nRtot;};
     G4double GetdLradl()         {return dLradl;};
     G4double GetdRradl()         {return dRradl;};
     G4double GetdLlength()       {return dLlength;};
     G4double GetdRlength()       {return dRlength;};     
     G4double GetfullLength()     {return EcalLength;};
     G4double GetfullRadius()     {return EcalRadius;};

  private:

     void DefineMaterials();
     G4VPhysicalVolume* ConstructVolumes();

     G4int    nLtot,    nRtot;        // nb of bins: longitudinal and radial
     G4double dLradl,   dRradl;       // bin thickness (in radl unit)
     G4double dLlength, dRlength;     // bin thickness (in length unit)

     G4Material* myMaterial;          //pointer to the material
     G4UniformMagField* magField;     //pointer to the mag field

     G4double EcalLength;             //full length of the Calorimeter
     G4double EcalRadius;             //radius  of the Calorimeter

     G4Tubs*            solidEcal;    //pointer to the solid calorimeter
     G4LogicalVolume*   logicEcal;    //pointer to the logical calorimeter
     G4VPhysicalVolume* physiEcal;    //pointer to the physical calorimeter

     DetectorMessenger* detectorMessenger;  //pointer to the Messenger

};

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#endif