PHG4ParameterisationTubsEta.h

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// $Id: PHG4ParameterisationTubsEta.h,v 1.3 2012/07/10 16:48:20 pinkenbu Exp $
// GEANT4 tag $Name:  $
//
// classes G4ParameterisationTubsRho
//         G4ParameterisationTubsPhi
//         G4ParameterisationTubsZ
//
// Class description:
//
// This class represents the parameterised positioning equivalent to 
// dividing a G4Tubs along one of each axis Rho, Phi, Z.
 
// History:
// -------
// 09.05.01 - P.Arce, Initial version
// 08.04.04 - I.Hrivnacova, Implemented reflection
// --------------------------------------------------------------------
#ifndef PHG4ParameterisationTubsETA_H
#define PHG4ParameterisationTubsETA_H 1
 
#include <vector>
#include <Geant4/G4ParameterisationTubs.hh>
 
class G4VPhysicalVolume;
 
class PHG4ParameterisationTubsEta : public G4VParameterisationTubs
{ 
public:  // with description
 
  PHG4ParameterisationTubsEta( EAxis axis, G4int nCopies,
                               G4double offset, G4double step,
                               G4VSolid* motherSolid, DivisionType divType=DivNDIVandWIDTH );
  virtual ~PHG4ParameterisationTubsEta();
  
  virtual G4double GetMaxParameter() const;
  
  virtual void ComputeTransformation(const G4int copyNo,
                                     G4VPhysicalVolume* physVol) const;
  void ComputeDimensions(G4Tubs& tubs, const G4int copyNo,
                         const G4VPhysicalVolume* physVol) const;
 
private:
  std::vector<double> _zpos; // Z positions of the rings
  std::vector<double> _zhalf; // Z half-widths of the rings
 
};
 
#endif