G4TwistedTrd.hh

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//
// G4TwistedTrd
//
// Class description:
//
//  A G4TwistedTrd is a twisted trapezoid with the x and y dimensions 
//  varying along z 
// 
//
//   Member Data:
//
//     pDx1    Half-length along x at the surface positioned at -dz
//     pDx2    Half-length along x at the surface positioned at +dz
//     pDy1    Half-length along y at the surface positioned at -dz
//     pDy2    Half-length along y at the surface positioned at +dz
//     pDz     Half-length along z axis
//     pPhiTwist Twist angle

// Author: Oliver Link (Oliver.Link@cern.ch)
// --------------------------------------------------------------------
#ifndef G4TWISTEDTRD_HH
#define G4TWISTEDTRD_HH

#include "G4VTwistedFaceted.hh"

class G4TwistedTrd : public G4VTwistedFaceted
{
  public:  // with description

    G4TwistedTrd( const G4String& pName,
                        G4double  pDx1,
                        G4double  pDx2,
                        G4double  pDy1, 
                        G4double  pDy2,
                        G4double  pDz,
                        G4double  pPhiTwist );

    virtual ~G4TwistedTrd();

    // accessors

    inline G4double GetX1HalfLength() const { return GetDx1() ; }
    inline G4double GetX2HalfLength() const { return GetDx3() ; }
    inline G4double GetY1HalfLength() const { return GetDy1() ; }
    inline G4double GetY2HalfLength() const { return GetDy2() ; }
    inline G4double GetZHalfLength()  const { return GetDz()  ; }
    inline G4double GetPhiTwist()     const { return GetTwistAngle() ; }

    G4GeometryType GetEntityType() const;

    G4VSolid* Clone() const;

    std::ostream&  StreamInfo(std::ostream& os) const;

  public:  // without description

    G4TwistedTrd(__void__&);
      // Fake default constructor for usage restricted to direct object
      // persistency for clients requiring preallocation of memory for
      // persistifiable objects.

    G4TwistedTrd(const G4TwistedTrd& rhs);
    G4TwistedTrd& operator=(const G4TwistedTrd& rhs); 
      // Copy constructor and assignment operator.

} ;

#endif