Arb8.h

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// $Id$
 
// -----------------------------------------------------------------------
// The Geant4GM package of the Virtual Geometry Model
// Copyright (C) 2007, Ivana Hrivnacova
// All rights reserved.
//
// For the licensing terms see vgm/LICENSE.
// Contact: ivana@ipno.in2p3.fr
// -----------------------------------------------------------------------
 
//
 
#ifndef GEANT4_GM_ARB8_SOLID_H
#define GEANT4_GM_ARB8_SOLID_H
 
#include "BaseVGM/solids/VArb8.h"
 
#include "VGM/common/TwoVector.h"
 
#include "G4ThreeVector.hh"
#include "globals.hh"
 
#include <string>
#include <vector>
 
class G4TessellatedSolid;
class G4VFacet;
 
namespace Geant4GM {
 
class Arb8 : public BaseVGM::VArb8
{
 public:
  Arb8(
    const std::string& name, double hz, std::vector<VGM::TwoVector> vertices);
  virtual ~Arb8();
 
  // static methods
  static bool IsTwisted(std::vector<VGM::TwoVector> vertices);
 
  // methods
  virtual std::string Name() const;
  virtual int NofVertices() const;
  virtual VGM::TwoVector Vertex(int index) const;
  virtual double TwistAngle(int index) const;
  virtual double ZHalfLength() const;
 
 protected:
  Arb8();
  Arb8(const Arb8& rhs);
 
 private:
  // methods
  void ReorderVertices(std::vector<G4ThreeVector>& vertices);
 
  G4VFacet* MakeDownFacet(std::vector<G4ThreeVector> fromVertices, int ind1,
    int ind2, int ind3) const;
  G4VFacet* MakeUpFacet(std::vector<G4ThreeVector> fromVertices, int ind1,
    int ind2, int ind3) const;
  G4VFacet* MakeSideFacet(G4ThreeVector downVertex0, G4ThreeVector downVertex1,
    G4ThreeVector upVertex1, G4ThreeVector upVertex0) const;
 
  // static data members
  static const int fgkNofVertices;
  static const double fgkTolerance;
 
  // data members
  double fHz;
  std::vector<VGM::TwoVector> fVertices;
  G4TessellatedSolid* fTessellatedSolid;
};
 
} // namespace Geant4GM
 
#endif // GEANT4_GM_EXTRUDED_SOLID_H