G4tgbPlaceParamCircle.hh

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// $Id: G4tgbPlaceParamCircle.hh 69803 2013-05-15 15:24:50Z gcosmo $
//
//
// class G4tgbPlaceParamCircle
//
// Class description:
//
// Class to represent simple Cartesian parameterisations along a circle.

// History:
// - Created.                                 P.Arce, CIEMAT (November 2007)
// -------------------------------------------------------------------------

#ifndef G4tgbPlaceParamCircle_H
#define G4tgbPlaceParamCircle_H 1

#include "globals.hh"

#include "G4VPVParameterisation.hh"
#include "G4tgbPlaceParameterisation.hh"
#include "G4ThreeVector.hh"

class G4tgrPlaceParameterisation;
class G4VPhysicalVolume;

class G4tgbPlaceParamCircle : public G4tgbPlaceParameterisation
{ 
  public:  // with description

    G4tgbPlaceParamCircle( G4tgrPlaceParameterisation* );
    ~G4tgbPlaceParamCircle();

    void ComputeTransformation(const G4int copyNo,
                               G4VPhysicalVolume *physVol) const;

  private:

    void GetNormalToAxis();

  private:

    G4double theRadius;
    G4ThreeVector theCircleAxis;
    G4ThreeVector theDirInPlane;

    G4double theStep;
    G4double theOffset;
};

#endif

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