ExtendedMarchingCubesT.hh

/*===========================================================================*\
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 *                                IsoEx                                      *
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//=============================================================================
//
//  CLASS ExtendedMarchingCubesT
//
//=============================================================================


#ifndef ISOEX_EXTMARCHINGCUBEST_HH
#define ISOEX_EXTMARCHINGCUBEST_HH


//== INCLUDES =================================================================

#include <IsoEx/Extractors/Edge2VertexMapT.hh>
#include <IsoEx/Grids/Grid.hh>
#include <vector>

//== NAMESPACES ===============================================================

namespace IsoEx {

//== CLASS DEFINITION =========================================================


template <class Mesh, class Grid>
class ExtendedMarchingCubesT
{
public:
   
  ExtendedMarchingCubesT(const Grid&  _grid,
                         Mesh&        _mesh,
                         double       _feature_angle);

  
private:

  typedef typename Grid::PointIdx        PointIdx;
  typedef typename Grid::CubeIdx         CubeIdx;
  typedef typename Grid::CubeIterator    CubeIterator;
  typedef typename Mesh::VertexHandle    VertexHandle;
  typedef std::vector<VertexHandle>      VertexHandleVector;
  

  void process_cube(CubeIdx _idx);

  VertexHandle add_vertex(PointIdx _p0, PointIdx _p1);
  VertexHandle find_feature(const VertexHandleVector& _vhandles);

  void flip_edges();



  const Grid&      grid_;
  Mesh&            mesh_;

  float            feature_angle_;
  unsigned int     n_edges_, n_corners_;

  // maps an edge to the sample vertex generated on it
  Edge2VertexMapT<PointIdx, VertexHandle> edge2vertex_;
};


//-----------------------------------------------------------------------------


template <class Mesh, class Grid>
void extended_marching_cubes(const Grid&  _grid,
                             Mesh&        _mesh,
                             double       _feature_angle)
{
  ExtendedMarchingCubesT<Mesh,Grid> emc(_grid, _mesh, _feature_angle);
}


//=============================================================================
} // namespace IsoEx
//=============================================================================
#if defined(INCLUDE_TEMPLATES) && !defined(ISOEX_EXTMARCHINGCUBEST_C)
#define ISOEX_EXTMARCHINGCUBEST_TEMPLATES
#include "ExtendedMarchingCubesT.cc"
#endif
//=============================================================================
#endif // ISOEX_EXTMARCHINGCUBEST_HH defined
//=============================================================================