G4UExtrudedSolid.hh

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// $Id:$
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// 
// --------------------------------------------------------------------
// GEANT 4 class header file
//
//
// G4UExtrudedSolid
//
// Class description:
//
//   Wrapper class for G4ExtrudedSolid to make use of VecGeom ExtrudedSolid.

// History:
// 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 <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:  // without description

    struct ZSection
    {
      ZSection(G4double z, G4TwoVector offset, G4double scale)
        : fZ(z), fOffset(offset), fScale(scale) {}

      G4double    fZ;
      G4TwoVector fOffset;
      G4double    fScale;
    };

  public:  // with description

    G4UExtrudedSolid(const G4String&        pName,
                     std::vector<G4TwoVector> polygon,
                     std::vector<ZSection>    zsections);
    // General constructor

    G4UExtrudedSolid(const G4String&        pName,
                     std::vector<G4TwoVector> polygon,
                     G4double                 halfZ,
                     G4TwoVector off1, G4double scale1,
                     G4TwoVector off2, G4double scale2);
    // Special constructor for solid with 2 z-sections

   ~G4UExtrudedSolid();

    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;

  public:  // without description

    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;
    G4bool CalculateExtent(const EAxis pAxis,
                           const G4VoxelLimits& pVoxelLimit,
                           const G4AffineTransform& pTransform,
                                 G4double& pMin, G4double& pMax) const;  

    G4Polyhedron* CreatePolyhedron() const;
};

// --------------------------------------------------------------------
// Inline methods
// --------------------------------------------------------------------

inline G4GeometryType G4UExtrudedSolid::GetEntityType() const
{
  return "G4ExtrudedSolid";
}

#endif  // G4GEOM_USE_USOLIDS

#endif