G4UExtrudedSolid.hh

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//
// G4UExtrudedSolid
//
// Class description:
//
// Wrapper class for G4ExtrudedSolid to make use of VecGeom ExtrudedSolid.
 
// 17.11.17 G.Cosmo, CERN
// --------------------------------------------------------------------
#ifndef G4UEXTRUDEDSOLID_HH
#define G4UEXTRUDEDSOLID_HH
 
#include "G4UAdapter.hh"
 
#if ( defined(G4GEOM_USE_USOLIDS) || defined(G4GEOM_USE_PARTIAL_USOLIDS) )
 
#include <VecGeom/volumes/UnplacedExtruded.h>
#include "G4TwoVector.hh"
 
#include "G4Polyhedron.hh"
 
class G4UExtrudedSolid : public G4UAdapter<vecgeom::UnplacedExtruded>
{
  using Shape_t = vecgeom::UnplacedExtruded;
  using Base_t  = G4UAdapter<vecgeom::UnplacedExtruded>;
 
  public:
 
    struct ZSection
    {
      ZSection() : fZ(0.), fOffset(0.,0.), fScale(1.) {}
      ZSection(G4double z, const G4TwoVector& offset, G4double scale)
        : fZ(z), fOffset(offset), fScale(scale) {}
 
      G4double    fZ;
      G4TwoVector fOffset;
      G4double    fScale;
    };
 
    G4UExtrudedSolid(const G4String&                 pName,
                     const std::vector<G4TwoVector>& polygon,
                     const std::vector<ZSection>&    zsections);
    // General constructor
 
    G4UExtrudedSolid(const G4String&                 pName,
                     const std::vector<G4TwoVector>& polygon,
                     G4double                        halfZ,
                     const G4TwoVector& off1 = G4TwoVector(0.,0.),
                           G4double scale1 = 1.,
                     const G4TwoVector& off2 = G4TwoVector(0.,0.),
                           G4double scale2 = 1. );
    // Special constructor for solid with 2 z-sections
 
   ~G4UExtrudedSolid() override;
 
    G4int GetNofVertices() const;
    G4TwoVector GetVertex(G4int index) const;
    std::vector<G4TwoVector> GetPolygon() const;
    G4int GetNofZSections() const;
    ZSection GetZSection(G4int index) const;
    std::vector<ZSection> GetZSections() const;
 
    inline G4GeometryType GetEntityType() const override;
 
    G4UExtrudedSolid(__void__&);
      // Fake default constructor for usage restricted to direct object
      // persistency for clients requiring preallocation of memory for
      // persistifiable objects.
 
    G4UExtrudedSolid( const G4UExtrudedSolid& source );
    G4UExtrudedSolid &operator=(const G4UExtrudedSolid& source);
      // Copy constructor and assignment operator.
 
    void BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const override;
    G4bool CalculateExtent(const EAxis pAxis,
                           const G4VoxelLimits& pVoxelLimit,
                           const G4AffineTransform& pTransform,
                                 G4double& pMin, G4double& pMax) const override;  
 
    G4Polyhedron* CreatePolyhedron() const override;
};
 
// --------------------------------------------------------------------
// Inline methods
// --------------------------------------------------------------------
 
inline G4GeometryType G4UExtrudedSolid::GetEntityType() const
{
  return "G4ExtrudedSolid";
}
 
#endif  // G4GEOM_USE_USOLIDS
 
#endif