G4UTet.hh

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// G4UTet
//
// Class description:
//
// Wrapper class for G4Tet to make use of VecGeom Tet.
 
// 1.11.13 G.Cosmo, CERN
// --------------------------------------------------------------------
#ifndef G4UTET_HH
#define G4UTET_HH
 
#include "G4UAdapter.hh"
 
#if ( defined(G4GEOM_USE_USOLIDS) || defined(G4GEOM_USE_PARTIAL_USOLIDS) )
 
#include <VecGeom/volumes/UnplacedTet.h>
 
#include "G4Polyhedron.hh"
 
class G4UTet : public G4UAdapter<vecgeom::UnplacedTet>
{
 
  using Shape_t = vecgeom::UnplacedTet;
  using Base_t = G4UAdapter<vecgeom::UnplacedTet>;
 
  public:  // with description
 
    G4UTet(const G4String& pName,
           const G4ThreeVector& anchor,
           const G4ThreeVector& p1,
           const G4ThreeVector& p2,
           const G4ThreeVector& p3,
                 G4bool* degeneracyFlag = nullptr);
 
   ~G4UTet();
 
    void ComputeDimensions(      G4VPVParameterisation* p,
                           const G4int n,
                           const G4VPhysicalVolume* pRep);
 
    G4VSolid* Clone() const;
 
    inline G4GeometryType GetEntityType() const;
 
  public:   // without description
 
    G4UTet(__void__&);
      // Fake default constructor for usage restricted to direct object
      // persistency for clients requiring preallocation of memory for
      // persistifiable objects.
 
    G4UTet(const G4UTet& rhs);
    G4UTet& operator=(const G4UTet& rhs);
      // Copy constructor and assignment operator.
 
    void SetBoundingLimits(const G4ThreeVector& pMin, const G4ThreeVector& pMax);
    void BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const;
 
    G4bool CalculateExtent(const EAxis pAxis,
                           const G4VoxelLimits& pVoxelLimit,
                           const G4AffineTransform& pTransform,
                                 G4double& pMin, G4double& pMax) const;
 
    G4Polyhedron* CreatePolyhedron() const;
 
    void SetVertices(const G4ThreeVector& anchor,
                     const G4ThreeVector& p1,
                     const G4ThreeVector& p2,
                     const G4ThreeVector& p3,
                     G4bool* degeneracyFlag = nullptr);
      // Set new position of the vertices.
 
    void GetVertices(G4ThreeVector& anchor,
                     G4ThreeVector& p1,
                     G4ThreeVector& p2,
                     G4ThreeVector& p3) const;
    std::vector<G4ThreeVector> GetVertices() const;
      // Return the four vertices of the shape.
 
    G4bool CheckDegeneracy(const G4ThreeVector& p0,
                           const G4ThreeVector& p1,
                           const G4ThreeVector& p2,
                           const G4ThreeVector& p3) const;
      // Return true if the tetrahedron is degenerate.
 
  private:
 
    G4ThreeVector fBmin, fBmax; // bounding box
};
 
// --------------------------------------------------------------------
// Inline methods
// --------------------------------------------------------------------
 
inline G4GeometryType G4UTet::GetEntityType() const
{
  return "G4Tet";
}
 
#endif  // G4GEOM_USE_USOLIDS
 
#endif